WO2015021648A1 - Radio resource management method, coordinating controller, macro base station and first station - Google Patents

Radio resource management method, coordinating controller, macro base station and first station Download PDF

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Publication number
WO2015021648A1
WO2015021648A1 PCT/CN2013/081682 CN2013081682W WO2015021648A1 WO 2015021648 A1 WO2015021648 A1 WO 2015021648A1 CN 2013081682 W CN2013081682 W CN 2013081682W WO 2015021648 A1 WO2015021648 A1 WO 2015021648A1
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WO
WIPO (PCT)
Prior art keywords
base station
controller
interface
small cell
macro base
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PCT/CN2013/081682
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French (fr)
Chinese (zh)
Inventor
肖登坤
孙立新
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华为技术有限公司
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Application filed by 华为技术有限公司 filed Critical 华为技术有限公司
Priority to PCT/CN2013/081682 priority Critical patent/WO2015021648A1/en
Publication of WO2015021648A1 publication Critical patent/WO2015021648A1/en

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Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W16/00Network planning, e.g. coverage or traffic planning tools; Network deployment, e.g. resource partitioning or cells structures
    • H04W16/24Cell structures
    • H04W16/32Hierarchical cell structures

Abstract

Provided are a radio resource management method, a coordinating controller, a macro base station and a first station. The coordinating controller manages at least one first station serving a pico cell. The method comprises: a coordinating controller establishes a first interface with a macro base station; the coordinating controller establishes a second interface with each first station in a first base station cluster to which the coordinating controller belongs; the coordinating controller communicates with the macro base station via the first interface for coordinating the use of radio resources for the macro base station and each first base station; and the coordinating controller communicates with each first base station via the second interface for coordinating the use of radio resources for each first base station.

Description

Radio resource management, the coordination controller, a first base station and the macro base station Technical Field

The present invention relates to communication technologies, and in particular, to a method of radio resource management, the coordination controller, the first base station and a macro base station.

Background technique

Currently, we proposed to increase the small cell base station in a communication network, to enhance the capacity and coverage of the original macro cell by covering small cells to improve the user experience, wherein the small cell base station covers a small cell called a cell, a plurality of small cell base station forming a small cluster of cells, a cell covered by the macro base station is called a macro cell.

Increasing the small cell base station, on the one hand increases the average throughput of the network, operators to bring considerable profits, on the other hand, when the data rate of user equipment wireless Internet access through the small cell base station is greatly improved, improved user experience. However, the laying of a plurality of communications network base stations of small cells, such that the radio resource management, environmental electromagnetic interference management, mobility management, resource management becomes complicated, between each small cell base station in a communication network, if not effectively work between the small cell base station and a macro base station coordination, control, it will seriously affect the laying boat brought small cell base station.

In the prior art, to achieve the management of radio resources between the respective small cell base stations, between the small cell base station and the macro base station, the macro base station to consider the direct management of all the small cell base station. However, when the increase in the number of small-cell base station, the pressure caused by the macro base station is large, leading to management of radio resources Radio Resource Management, hereinafter referred to as RRM) can not be carried out quickly and efficiently, and thus the performance of the entire system decreases. SUMMARY

Example embodiments provide a method of radio resource management, the coordination controller, a first base station and a macro base station of the present invention, in order to achieve the coordination between the first base station controller manages the efficient between the first base station and the macro base station radio resource management.

A first aspect, embodiments of the present invention provides a method of radio resource management, the coordination controller managing at least one first base station to the first base station serving a small cell, the method comprising: coordinating the controller establishing a first interface between the macro base station;

The coordination controller through the first interface in communication with the macro base station to coordinate the macro base station and a radio resource used between the first base station; and / or,

The coordination between the first base station controller and establish a second interface;

The coordination controller through the second interface of the first base station to coordinate communication with the first base station using the at least one other radio resources between the first base station the first base station.

A first possible implementation of the first aspect, the coordinating controller through the first interface communicating with the macro base station, comprising:

The coordination controller through the first interface to the macro base station transmits information of a first load, the first load information comprises a load information of the current first base station; and / or,

The coordination controller through the first interface receiving the second load information transmitted by the macro base station, the second load information comprises a load information of the current macro base station.

First possible implementation manner of the first aspect, a second possible implementation of the first aspect of the current load information of the first base station, comprising:

The total current load information of the at least one first base station is coordinated by the controller management.

Binding a first aspect, a first aspect of the first or second possible implementation, a third possible implementation manner of the first aspect, the coordinating controller through the first interface and the macro base station communication, comprising:

The coordination controller through the first interface to the macro base station transmits a first handover request message, the first handover request message for instructing the first base station by a user equipment needs to handover to the macro base station ; or,

Coordinating the second controller through the first interface receiving the macro base station transmits the switching request information, the second information indicating the handover request by the macro base station serving the user equipment to the first base station requires switch.

Binding a first aspect of the third possible implementation manner, in a fourth aspect a first possible implementation, the first handover request comprises information identifying the coordination and the first base station controller identity.

Binding a first aspect, in any of the first to fourth aspect of a possible implementation manner, a fifth possible implementation manner of the first aspect, said controller coordinating the the first interface communicates with the macro base station, comprising:

The coordination controller through the first interface to the macro base station transmits a first interface setup request message, the first interface setup request message used to instruct the request to establish coordination between the controller and the macro base station the first interface, the first interface establishment request message comprises an identification of the coordinated controller and at least one of the following information: the identification of a small cell, the physical cell identity (PCI) and the small cell small cell cell global identifier ECGI;

The coordination controller through the first interface receiving said first interface establishing macro base station transmits a response message.

Binding a first aspect, the first to fifth any one possible implementation of the first aspect, in a sixth possible implementation manner of the first aspect, said controller coordinating the the first interface communicates with the macro base station, comprising:

The coordination controller through the first interface to the macro base station sends a configuration update information, update the configuration information includes identification of the coordinated controller, and at least one of the following information: the identification of small cell the PCI and small cell ECGI of the small cell, updating the configuration information indicating the configuration of the small cell.

Binding a first aspect, the first to sixth any one possible implementation of the first aspect, the seventh possible implementation manner in the first aspect, said controller coordinating the the first interface communicates with the macro base station, comprising:

The coordination controller to the macro base station transmits a first resource status request message through the first interface, the first indicating the resource status request message to the macro base station acquires the current macro base station resource status information;

The coordination controller through the first interface receiving the macro base station transmits a first resource status response message, the first response message carries the resource state of the current macro base station resource status information; or

The coordination controller through the first interface receiving the second resource status request message sent by the macro base station, said controller coordinating the current resource request message according to the resource status acquiring a second of said at least one first base station status information, said controller coordinating station transmits a second resource response message to the macro state through the first interface, the second resource response message carries the current state of the resource status information of the at least one first base station.

Binding seventh possible implementation manner of the first aspect, eighth possible implementation manner in a first aspect, the second resource response message carries the current state of the resource status information of the at least one first base station including:

The second resource status response message comprises a list identifying at least one first base station and the resource state information and identify at least one corresponding to the first base station.

Binding a first aspect, the first to the eighth one possible implementation of any embodiment of the first aspect, the ninth possible implementation manner in the first aspect, said controller coordinating the the first interface communicates with the macro base station, comprising:

The coordination controller through the first interface request message to the macro base station transmits a first state resource, the first resource status request message is used to instruct the macro base station to acquire the macro base station of the current resource status information, the coordination controller through the first interface receiving the macro base station transmits a first resource status failure response message, the first response message indicates failed resource status to the macro base station currently available amount of resources utilized less than or equal provided predetermined threshold value; or

The coordination controller through the first interface receiving the second resource status request message sent by the macro base station, said coordination information request message controller acquires the current resource state of the resource of the first base station according to the second state , the coordinator station through the first interface controller sending a second resource response message to the failed state macro, the second resource status indicating failure response message for the first base station is not currently available for the measurement resources.

Binding a first aspect, the first to ninth any one possible implementation of the first aspect, a tenth possible implementation manner of the first aspect, said controller coordinating the the first interface communicates with the macro base station, comprising:

The coordination controller through the first interface to the macro base station transmits the resource status update information, the update information including the resource status information of the first base station resource status update.

Binding tenth possible implementation manner of the first aspect, eleventh possible implementation manner of the first aspect, the resource status update information comprises at least one of:

Small cell resources project, the project comprises resource coordination small cell and small cell controller identifier identifying the coordination controller list corresponding to the identifier, and the resource projects small cell small cell identification list corresponding to the identifier;

Hardware load information, the load information includes a hardware identification and a controller coordinating small cell controller identifier corresponding to the identifier of the coordination, and the small cell corresponding to the identifier indicating the hardware load; status information of the radio resource, the radio resource status information includes a controller identifier and the small-cell coordination with the coordinating controller identifier corresponding to the identifier, and the small-cell identifier corresponding to a radio resource state;

Almost blank subframes small cell small cell total available base station at least one of said first coordination controller manages and services the controller manages the coordination of the at least one first base station and services frame ABS state.

Binding a first aspect, the first to the eleventh aspect of any one of a possible implementation, in a first aspect of the twelfth possible implementation manner, the coordination controller the first interface communicates with the macro base station, comprising:

The coordination controller through the first interface receiving the mobility change request message sent by the macro base station, the mobility change request message identifies the selected small cell identification and the coordination controller, the mobility change request message for indicating the selected small cell handover preparation;

The coordination controller through the first interface to the macro base station sends a mobility message in response to changes in the mobility change response message carries the identifier of the selected small cell identification and the coordination controller.

Binding a first aspect, the first to twelfth aspect of any one of a possible implementation, in a first aspect of the thirteenth possible implementation manner, the coordination controller the first interface communicates with the macro base station, comprising:

The coordination controller through the first interface receiving the mobility change request message sent by the macro base station, the mobility change request message identifies the selected small cell and the coordination controller identified, the mobility change request message for indicating the selected small cell handover preparation;

The coordination controller through the first interface to the macro base station sends a mobility change failure response message, the mobility change identifications failure response message carrying the selected small cell and the coordination controller .

Binding a first aspect, the first to the thirteenth aspect according to any one of a first possible implementation, a fourteenth possible implementation manner in a first aspect, the coordination controller the first interface communicates with the macro base station, comprising:

The coordination controller sends a radio link failure message via the first interface to the macro base station, the radio link failure message is used to instruct the user equipment to the small cell to the macro base station services wireless access link setup failure, the radio link failure message carries the identifier of the controller and coordinating at least one of the following information: identity of the small cell, the ECGI of the small cell and the PCI of the small cell.

Binding a first aspect, the first to the fourteenth aspect of any one of a possible implementation, in a first aspect to a fifteenth possible implementation manner, the coordination controller the first interface communicates with the macro base station, comprising:

The coordination controller through the first interface to the macro base station transmits a first handover report, the first reason for the handover report indicating the user equipment to the macro base station serving a small cell of the handover failure; or ,

Coordinating the second controller receives a handover report sent by the macro base station via the first interface, the second handover report used to instruct the user equipment served by the small cell to the macro base station handover failure reason, report comprising the second switching controller, and the coordination of identification information of at least one of the following: ECGI identifying the small cell, the small cell and the PCI of the small cell.

Binding a first aspect, the first to the fifteenth aspect of any one of a possible implementation, in a first aspect of the sixteenth possible implementation manner, the coordination controller the first interface communicates with the macro base station, comprising:

The coordination controller through the first interface to the macro base station transmits a first small cell activation request message, the first small-cell activation request message for instructing the at least one first base station controller to coordinate the management activated serving small cell, the first small-cell activation request message carries the identifier of the controller and coordinating at least one of the following information: the identification of a small cell, the small cell and the PCI of the small ECGI of the cell;

The coordination controller through the first interface receiving the macro base station transmits a first small-cell activation response message; or

The coordination controller through the first interface receiving the macro base station transmits a second small cell activation request message, the second small-cell activation request message carries the identifier of small cells need to be activated, which needs to be activated small cell comprises identification identifying the coordination controller, and at least one of the following information: identity of the small cell, the small cell and pci ECGI of the small cell; controller according to the coordinator said second small cell activation request message needs to be activated to activate the small cell, and through the first interface to the macro base station transmits a second small cell activation response message. Binding a first aspect, the first to the sixteenth aspect of any of the first possible implementation manner, a seventeenth aspect of the first possible implementation, the coordination controller the first interface communicates with the macro base station, comprising:

The coordination controller through the first interface to the macro base station transmits a first small cell activation request message, the first small-cell activation request message for instructing the at least one first base station controller to coordinate the management activated serving small cell, the first small-cell activation request message carries the identifier of the controller and coordinating at least one of the following information: the identification of a small cell, the small cell and the PCI of the small ECGI of the cell;

The coordination controller through the first interface receiving the macro base station transmits a first small-cell activation failure response message; or

The coordination controller through the first interface receiving the macro base station transmits a second small cell activation request message, the second small-cell activation request message indicating a need for small cell is activated, the second small cell activation request message carries the identifier of the controller and coordinating at least one of the following information: the identification of a small cell, the small cell and the PCI ECGI of the small-cell; said controller coordinating the first access to the macro base station sends second small cell activation failure response message.

Binding a first aspect, the first aspect of the eighteenth possible implementation manner, the coordinating controller through the second interface communicating with the first base station, comprising:

The coordination controller transmits the power saving control command to the first base station via said second interface, the power saving control command for turning on or off the first base station.

Combination of a eighteenth aspect or aspect of a possible implementation implementation manner, nineteenth possible implementation manner in a first aspect, the coordinating controller through the second interface and the said first base station, comprising:

The coordination controller through the second interface transmits a first scheduling request to the first base station; or

The second coordinating scheduling request sent by the controller via the first base station receiving the second interface.

Binding a first aspect, the eighteenth or the nineteenth aspect of a possible implementation, in a first aspect of the twentieth possible implementation, the controller of the first coordinating two interfaces communicating with the first base station, comprising:

Coordinating the resource controller sends the first base station by the second base station receiving the first interface information and / or residual information resources.

Binding a first aspect, the eighteenth to twentieth aspect of any one of a possible implementation, in a first aspect of the twenty one possible implementation, the coordinated control via said second interface to communicate with the first base station, comprising:

The coordination of the current load information of the first base station controller sends the first base station by receiving the second interface.

Binding a first aspect, the eighteenth through twenty-first aspect according to any one possible implementation manner, twenty-second possible implementation manner in a first aspect, the coordinator the controller via the second interface communicating with the first base station, comprising:

The coordination controller receives configuration information of the first base station a first transmitted through the second interface, the configuration information includes at least one of the following parameters: the bandwidth of the first base station, frequency , transmit power, antenna parameters, the position coordinates, a physical cell identifier and a cell global identity.

Binding a first aspect, the eighteenth to twenty-second possible implementation of any embodiment of the first aspect, in the twenty-first aspect of the three possible implementations, the coordinator the controller via the second interface communicating with the first base station, comprising:

The coordination controller through the second interface transmits a configuration command to the first base station, the configuration command is used to configure the parameters indicative of the first base station, said parameters comprising at least one of: power parameter , frequency, transmit mode, and transmitting the common signaling mode.

Binding a first aspect, in the eighteenth to twenty-third aspect of any one of a possible implementation mode, in a first aspect of the twenty-four possible implementation manner, the coordinator the controller via the second interface communicating with the first base station, comprising:

The coordination controller operation state information of the second interface to receive the first base station, the working status information comprises at least one of the following parameters: the first base station serving the user equipment in an access success rate , handover failure rate, call drop rate and the rate of radio link failure.

Binding a first aspect, in any one of the eighteenth to twenty-fourth aspect of a possible implementation, in a first aspect of the twenty five possible implementation manner, the coordinator the base station controller in communication with said first, second interface comprises: a coordinating controller through the second interface transmits a control command to the first base station, a control command for instructing the first the user equipment is switched base station.

Binding a first aspect, in any one of the eighteenth to twenty-five kinds of the first aspect of one possible implementation, twenty-six possible implementation manner in a first aspect, the coordinator the controller via the second interface communicating with the first base station, comprising:

The coordination controller through the second interface receives the first base station transmitting an access request message;

The coordination controller through the second interface sends an access response message to the first base station. Binding a first aspect, in the eighteenth to twenty-six kinds of any of the first aspect of a possible implementation, in the twenty-first aspect of the seven possible implementation manner, the coordinator the controller via the second interface communicating with the first base station, comprising:

The coordination controller through the second interface transmits scheduling information to the first transmission mode base station, transmitting the scheduling information mode comprises at least one of the following parameters: a first base station the user equipment and services may be used uplink and downlink time slots, frequency resources available and the maximum transmit power.

Binding a first aspect, the eighteenth to twenty-seven kinds of any one of a possible implementation of the first aspect, the twenty-eight possible implementation manner in a first aspect, the coordinator the controller via the second interface to communicate with the first base station, comprising:

The coordination controller through the second interface receives the measurement report sent by the first base station. Binding a first aspect, the eighteenth to twenty-eight kinds of any one of a possible implementation of the first aspect, the twenty-nine possible implementation manner in a first aspect, the coordinator the controller via the second interface communicating with the first base station, comprising:

The coordination controller interface to receive the power of the second base station transmits first control information, the power control information includes at least one of the following parameters: user equipment and services of the first base station cell power level control parameter, a power adjustment step size and power headroom.

A second aspect, embodiments of the present invention provides a method of radio resource management, the coordination controller managing at least one first base station to the first base station serving a small cell, the method comprising: a macro base station in coordination with the establishing a first interface between the controller;

The macro base station via the first interface with the controller communication coordinator, such that the coordinating controller coordinates the macro base station using the radio resources between the first base station.

In a first possible implementation of the second aspect, the macro base station to coordinate communication with the controller through the first interface, comprising:

Coordinating the macro base station receives the first load information sent by the controller through the first interface, the first load information comprises a current load information of the first base station; and / or,

The macro base station transmits information to the second load coordinating controller through the first interface, the second load information comprises a load information of the current macro base station.

Binding a first possible implementation of the second aspect, in the second aspect of the second possible implementation, the current load information of the first base station, comprising:

The total current load information of the at least one first base station is coordinated by the controller management.

Binding a second aspect, the second aspect of the first or second possible implementation, a third possible implementation of the second aspect, the macro base station via the first interface and the said controller coordinating communications, comprising:

Coordinating the macro base station of the first handover request message sent by the controller through the first interface receiving the first handover request message for instructing the first base station by the user equipment to the macro base station needs handover; or

The macro base station via the first interface request message to the macro base station transmits a second handover, a second handover request message to the macro base station indicating the user equipment and services need to switch to the first base station.

Binding third possible implementation of the second aspect, a fourth possible implementation of the second aspect, the handover request message including the first identifier to coordinate the first base station controller, and identity.

Combination with the second aspect, in any of the first to fourth aspect of a second possible implementation, a fifth possible implementation of the second aspect, the macro base station via said second a communication interface and the coordination controller, comprising:

The macro base station of the first coordination interface establish request message sent by the controller through the first interface receiving the first interface setup request message used to instruct the controller requests to establish coordination among the macro base station the first interface, the first interface setup request message includes an identifier of the controller and coordinating at least one of the following information: the identification of a small cell, the small cell and the physical cell identity PCI cell global identifier (ECGI) of said small cell;

The macro base station transmits a first interface establish response message to the coordinating controller through the first interface. Binding a second aspect, the first to fifth any one possible implementation of the second aspect, a sixth possible implementation manner of the second aspect, the macro base station via said second a communication interface and the coordination controller, comprising:

Receiving the macro base station transmits the coordinating controller configuration update information through the first interface, update the configuration information includes identification of the coordinated controller, and at least one of the following information: the small-cell identifier, PCI, and the small cell ECGI of the small cell, updating the configuration information indicating the configuration of the small cell.

Binding a second aspect, the first to sixth any one possible implementation of the second aspect, the seventh possible implementation manner of the second aspect, the macro base station via said second a communication interface and the coordination controller, comprising:

The macro base station via the first resource request message, the first interface receiving the transmission coordination state controller, the macro base station requests the macro base station information obtaining current resource status information according to the first resource state; the said macro base station via the first interface transmits a first state to the resource controller coordinating the response message, the first response message carries the resource state of the current macro base station resource status information; or

The macro base station via the first interface transmits a second resource to the coordinating controller status request message, the second resource status request message is used to instruct the controller to coordinate acquiring request message according to the second resource state current resource state information of the at least one first base station; response message to the macro base station via the first interface to receive a second state resource, the second resource in response to the current state of the resource message carries at least a first base station status information.

Binding seventh possible implementation of the second aspect, an eighth possible implementation of the second aspect, the second resource status information response message carries the current resource state of the at least one first base station including:

The second resource status response message comprises a list identifying at least one first base station and the resource state information and identify at least one corresponding to the first base station.

Binding a second aspect, the first to eighth any one possible implementation of the second aspect, the ninth possible implementation manner of the second aspect, the macro base station via said second a communication interface and the coordination controller, comprising:

Said first coordinate the macro base station controller sends a resource status request message received through the first interface, a first request information according to the resource status acquiring the current macro base station resource status information; the macro base station transmitting through the first interface to a first state of said resource coordination controller failure response message, the first response message indicates a failure status of resources of the macro base station threshold currently available amount of resources is less than or equal to the set; or ,

The macro base station via the first interface transmits a second resource to the coordinating controller status request message, the second resource status request message is used to instruct the controller to coordinate acquiring request message according to the second resource state current resource status information of the first base station; the macro base station transmits the second resource state through the first interface receiving the coordination controller failure response message, the second resource status message to indicate the failure response said first base station is not currently resources available for measurement.

Binding a second aspect, the first to ninth any one possible implementation of the second aspect, a tenth possible implementation manner in the second aspect, the macro base station via said second a communication interface and the coordination controller, comprising:

Receiving the macro base station controller transmits the coordinating resource status update information through the first interface, the resource information includes resource status update status information of the first base station updates.

Binding tenth possible implementation of the second aspect, an eleventh possible implementation of the second aspect, the resource status update information comprises at least one of:

Small cell resources project, the project comprises resource coordination small cell and small cell controller identifier identifying the coordination controller list corresponding to the identifier, and the resource projects small cell small cell identification list corresponding to the identifier;

Hardware load information, the load information includes a hardware identification and a controller coordinating small cell controller identifier corresponding to the identifier of the coordination, and the small cell corresponding to the identifier indicating the hardware load; status information of the radio resource, the radio resource status information includes a controller identifier and the small-cell coordination with the coordinating controller identifier corresponding to the identifier, and the small-cell identifier corresponding to a radio resource state;

ABS state almost blank subframe small cell small cell total available at least a first base station controller to coordinate the management of the service controller manages the coordination of the at least one first base station and services.

Binding a second aspect, the first to eleventh any one possible implementation of the second aspect, in the twelfth aspect of the second possible implementation, the macro base station via the said first communication interface and the coordination controller, comprising:

The macro base station transmitting through the first interface is changed to the mobility controller coordination request message, the mobility change request message carries the identifier of the selected small cell identification and coordination of the controller, the movement changes of the request message for instructing the selected small cell handover preparation; the coordination of the macro base station changes mobility controller sends a response message received by the first interface, the mobility change response message carries and identifying the selected small cell coordination controller identified.

Binding a second aspect, the first to twelfth any one possible implementation of the second aspect, in the second aspect of the thirteenth possible implementation manner, the macro base station via the said first communication interface and the coordination controller, comprising:

The macro base station transmitting through the first interface is changed to the mobility controller coordination request message, the mobility change request message carries the identifier of the selected small cell identification and the coordination controller, the movement changes of the request message for instructing the selected small cell handover preparation; the macro base station moves to coordinate the change in received through the first interface controller sends a failure response message, the mobility change failure response identifying message carries the selected small cell and the coordination controller identified.

Binding a second aspect, the first to the thirteenth any one possible implementation of the second aspect, a fourteenth aspect of the second possible implementation, the macro base station via the said first communication interface and the coordination controller, comprising:

When the macro base station transmits the radio link controller coordinating the failure message received through the first interface, the radio link failure message is used to instruct the user equipment and services small cell to the macro base station access radio link setup failure, the radio link failure message carries the identifier of the controller and coordinating at least one of the following information: ECGI of the small cell identity, PCI of the small cell and the small-cell .

Combination with the second aspect, in any of the first to fourteenth aspects of the kinds of the second possible implementation, a fifteenth possible implementation manner of the second aspect, the macro base station via the said first communication interface and the coordination controller, comprising:

Coordinating the macro base station receives the first handover report sent by the controller through the first interface, the first indicating the handover report to the macro base station serving a user equipment cause of the failure of the handover to the small cell; Alternatively, the macro base station transmits a second switching controller coordinating to the report by the first interface, the second handover report indicating the reason for the small-cell service user equipment handover failure to the macro base station the handover report includes a second controller, and the coordination of identification information of at least one of the following: identification of the small cell, PCI ECGI of the small cell and the small cell.

Binding a second aspect, the first to the fifteenth any one possible implementation of the second aspect, the sixteenth possible implementation manner of the second aspect, the macro base station via the said first communication interface and the coordination controller, comprising:

Coordinating the macro base station of the first small cell sent by the controller through the first interface receives the activation request message, the first small-cell activation request message is used to instruct the controller to coordinate the management of the at least one first base station the service activation small cell, the first small-cell activation request message carries the identifier of the controller and coordinating at least one of the following information: the identification of a small cell, the small cell and the PCI ECGI of the small cell;

The macro base station transmits a first small cell activation response message to the coordinating controller through the first interface; or

The macro base station transmitting through the first interface to the second small cell controller coordinating activation request message, the second small-cell activation request message carries the identifier of small cells need to be activated, which needs to be activated small cell identifier identifying the coordination comprises the controller, and at least one of the following information: identity of the small cell, the small cell and the PCI ECGI of the small cell, according to the coordinated controller said second small cell activation request message, activate the small cells need to be activated.

Combination with the second aspect, in any of the first to sixteenth species a second aspect of one possible implementation, the seventeenth possible implementation manner of the second aspect, the macro base station via the said first communication interface and the coordination controller, comprising:

Coordinating the macro base station of the first small cell sent by the controller through the first interface receives the activation request message, the first small-cell activation request message is used to instruct the controller to coordinate the management of the at least one first base station the service activation small cell, the first small-cell activation request message carries the identifier of the controller and coordinating at least one of the following information: the identification of a small cell, the small cell and the PCI ECGI of the small cell;

The macro base station via the first interface transmits a first small cell activation failure response message to the coordinator controller; or the macro base station interface transmitting to said second small cell is activated by said first controller coordinating request message, the second small-cell activation request message indicating a need for small cell is activated, said second small cell coordinated activation request message carries the identifier information of the controller and at least one of the following: the ECGI identifying small cell, the small cell and the PCI of the small cell; receiving the macro base station transmits the coordinating controller through the first interface a second small cell activation failure response message.

The third aspect, embodiments provide a method of the present invention, radio resource management, the coordination controller managing at least one first base station to the first base station serving a small cell, the method comprising: the first base station and coordinating the establishment of a second interface between the controller;

The first base station via said second communication interface and the coordination controller that the other first radio resources between the base of said at least one first base station controller to coordinate the first base station and the coordination of usage of.

A first possible implementation of the third aspect, the first base station via said second communication interface and the coordination controller, comprising:

Receiving through the second interface of the first base station controller transmits the coordinating saving control command, the power saving control command for turning on or off the first base station.

Combination with the third aspect, the first possible implementation of the third aspect, in a second possible implementation of the third aspect, through the second interface and the first base station to the coordinating control communication, comprising:

Receiving through the second interface of the first coordinated scheduling request sent by the first base station controller; or

By coordinating the second interface controller sends a scheduling request to the second base station to the first. Combination with the third aspect, the third aspect of the first or second possible implementation, a third aspect of the third possible implementation, the first base station via said second interface the coordinating communications controller, comprising:

Said second interface to send via said first base station using the resource information and / or information on the remaining resources of the first base station to the coordinated controller.

Combination with the third aspect, any of the first to the third aspect of the third possible implementation mode, in a fourth aspect of the third possible implementation, the first base station through the a second communication interface and the coordination controller, comprising: sending a current through the second interface of the first load information to the base station controller to coordinate the first base station.

Combination with the third aspect, any of the first to fourth aspect of a third possible implementation, a fifth possible implementation manner of the third aspect, the first base station through the a second interface communicating with the controller coordinating, comprising:

The first base station through a second interface sends the location information to the first base station controller coordinating the configuration information comprises at least one of the following parameters: the bandwidth frequency of the first base station, transmission power, antenna parameters, the position coordinates, a physical cell identifier, the cell global identity.

Combination with the third aspect, the first to fifth any one possible implementation of the third aspect, in a sixth possible implementation manner of the third aspect, the first base station through the a second interface communicating with the controller coordinating, comprising:

The first base station by receiving the configuration command sent by the controller to coordinate said second interface, the configuration command is used to configure the parameters indicative of the first base station, said parameters comprising at least one of: a power parameters, frequency, transmit mode, and transmitting the common signaling mode.

Combination with the third aspect, the first to sixth any one possible implementation of the third aspect, the seventh possible implementation manner of the third aspect, the first base station through the a second interface communicating with the controller coordinating, comprising:

The first base station transmitting through the second interface to said controller coordinating the operation state information of the first base station, the working status information comprises at least one of the following parameters: the first base station serving a user equipment the access success rate, a handover failure rate, call drop rate and the rate of radio link failure.

Combination with the third aspect, the first to seventh any one possible implementation of the third aspect, eighth possible implementation manner of the third aspect, the first base station through the a second interface communicating with the controller coordinating, comprising:

Receiving through the second interface of the first base station coordinated control command sent by the controller; switched user equipment according to a control command instructing the first base station.

Combination with the third aspect, the first to eighth any possible implementation of the third aspect, in the ninth possible implementation of the third aspect, the first base station through the a second interface communicating with the controller coordinating, comprising:

The first base station via said second interface to send an access request message to the coordinating controller; receiving said first base station through said interface to said access controller second coordination response message sent by the third binding aspect, the first to ninth any one possible implementation of the third aspect, a tenth possible implementation manner of the third aspect, the first base station via said second interface the coordinating communications controller, comprising:

The first base station via the second interface receiving the transmission mode controller coordinating the scheduling information is transmitted, transmitting the scheduling information mode comprises at least one of the following parameters: the first base station serving the user equipment may be used uplink and downlink time slots, frequency resources available and the maximum transmit power.

Combination with the third aspect, in any of the first to tenth aspect of a third possible implementation, in a tenth aspect of one possible implementation of the third embodiment, the first base station through the said second interface and the communication coordinator controller, comprising:

The coordination controller through the second interface transmits a first measurement report to the base station.

Combination with the third aspect, the first to the eleventh aspect of any third possible implementation mode, in the third aspect of the twelfth possible implementation manner, by the first base station the second communication interface and the coordination controller, comprising:

The first base station via said second interface to send power control information, the power control information includes at least one of the following parameters to the coordinated controller: the first level power cell base station equipment and services user control parameters , power adjustment step size, and power margin.

A fourth aspect, embodiments of the present invention provides a controller coordinating the coordinating controller managing at least one first base station, the first base station for a small cell, including:

A first establishing module for establishing an interface between the first and the macro base station;

A first communication module through the first interface for communicating with the macro base station to coordinate the macro base station and a radio resource used between the first base station; and / or,

A second establishing module for establishing a second interface with the first base station;

Second communication means for communicating via the second interface with the first base station using a radio resource coordination between the other first base station the first base station and the at least one first base station.

In a first possible implementation of the fourth aspect of the embodiment, the first communication module configured to: send a first load information to the first interface via the macro base station, the first load information comprises current load information of the first base station; and / or, through the first interface receiving the load information of the current macro base station information transmitted by the second load, the second load information includes the macro base station.

Binding a first possible implementation of the fourth aspect, a second possible implementation of the fourth aspect, the current load information of the first base station, comprising:

The total current load information of the at least one first base station is coordinated by the controller management.

Binding a fourth aspect, the fourth aspect of the first or second possible implementation, a third possible implementation of the fourth aspect, the first communication module configured to:

Through the first interface to the macro base station transmits a first handover request message, the first handover request message for the user equipment indicated by the first base station needs to handover to the macro base station; or

Through the first interface receiving the macro base station transmits a second handover request message, the second handover request message for the user equipment indicated by the macro base station services need to switch to the first base station.

Combination with the third aspect of the fourth possible implementation manner, in a fourth aspect of the fourth possible implementation manner, the first handover request identification information comprises the coordination, and the first base station controller identity.

Binding a fourth aspect, in any of the first to fourth aspect of the fourth one possible implementation, a fifth possible implementation of the fourth aspect, the first communication module for : request message interface to the first station transmits a first macro to the interface setup through the first interface setup request message used to instruct the controller requesting establishment of the coordination between the first and the macro base station an interface, the first interface setup request message includes an identifier of the controller and coordinating at least one of the following information: identity of the cell to a small cell, the small cell and a physical cell identity PCI of the small cell global identifier ECGI;

Receiving said first interface via said first interface setup response message transmitted from the macro base station.

Binding a fourth aspect, the first to fifth any one possible implementation of the fourth aspect, in a sixth possible implementation manner of the fourth aspect, the first communication module for : through the first interface to the macro base station sends a configuration update information, update the configuration information includes identification of the coordinated controller, and at least one of the following information: the identification of a small cell, the small PCI of the cell and small cell ECGI, update the configuration information indicating the configuration of small cells. Binding a fourth aspect, the first to sixth any one possible implementation of the fourth aspect, the seventh possible implementation of the fourth aspect, the first communication module for : requesting the first interface station sending a first resource status by a message to the macro, the first resource status request message is used to instruct the macro base station acquires the current macro base station resource status information;

Received through the first interface of the first resource status response message transmitted from the macro base station, the first resource status response message carries the current macro base station resource status information; or

Receiving the macro base station via the first interface transmits a second resource status request message, the request message to obtain the current state of the resource information of the at least one first base station according to the second resource state;

Through the first interface to the macro base station transmits a second resource status response message, the second resource response message carries the current state of the resource status information of the at least one first base station.

Binding seventh possible implementation manner of the fourth aspect, an eighth possible implementation of the fourth aspect, the second resource status information response message carries the current resource state of the at least one first base station including:

The second resource status response message comprises a list identifying at least one first base station and the resource state information and identify at least one corresponding to the first base station.

Binding a fourth aspect, the first to eighth any one possible implementation of the fourth aspect, in the ninth possible implementation manner of the fourth aspect, the first communication module for : requesting the first interface station sending a first resource status by a message to the macro, the first resource status request message is used to instruct the macro base station acquires the current macro base station resource status information;

A first resource state by said first interface receiving the macro base station transmits a failure response message, the first response message indicates failed resource status to the threshold macro base station currently available amount of resources is less than or equal to the set; or ,

Receiving the macro base station via the first interface transmits a second resource status request message, the request message to obtain the current state of the resource information of the first base station according to the second resource state;

Through the first interface to the macro base station transmits a second resource status failure response message, the second resource state of the resource failure response message for instructing the first base station is not currently available for the measurement. Binding a fourth aspect, the first to ninth any one possible implementation of the fourth aspect, a tenth possible implementation manner of the fourth aspect, the first communication module for : through the first interface to the macro base station transmits the resource status update information, the update information including the resource status information of the first base station resource status update.

Binding tenth possible implementation manner of the fourth aspect, an eleventh possible implementation of the fourth aspect, the resource status update information comprises at least one of:

Small cell resources project, the project comprises resource coordination small cell and small cell controller identifier identifying the coordination controller list corresponding to the identifier, and the resource projects small cell small cell identification list corresponding to the identifier;

Hardware load information, the load information includes a hardware identification and a controller coordinating small cell controller identifier corresponding to the identifier of the coordination, and the small cell corresponding to the identifier indicating the hardware load; status information of the radio resource, the radio resource status information includes a controller identifier and the small-cell coordination with the coordinating controller identifier corresponding to the identifier, and the small-cell identifier corresponding to a radio resource state;

ABS state almost blank subframe small cell small cell total available at least one of said first base station controller to coordinate the management of the service coordination manager controller ^ at least one first base station and services.

Binding fourth aspect - the first to the eleventh aspect of any of the fourth one possible implementation, a twelfth possible implementation of the fourth aspect, the first communication module for: receiving the first interface via the macro base station transmits a mobility change request message, the mobility change request message identifies the selected small cell identification and the coordination controller, the mobility change request message for indicating the selected small cell handover preparation;

Through the first interface to the macro base station sends a mobility message in response to changes in the mobility change response message carries the identifier of the selected small cell identification and the coordination controller.

Binding a fourth aspect, the first to the fourth aspect of the twelfth any one possible implementation manner, in a fourth aspect of the thirteenth possible implementation, the first communication module for: receiving the first interface via the macro base station transmits a mobility change request message, the mobility change request message identifies the selected small cell identification and the coordination controller, the mobility change request message for indicating the selected small cell handover preparation; through the first interface to the macro base station sends a mobility change failure response message, the mobility change failure response message carries the selected the identification and identification of small cell coordination controller.

Binding a fourth aspect, the first to the thirteenth aspect according to any one of the fourth possible implementation, in the fourth aspect of the fourteenth possible implementation, the first communication module for: sending a radio link failure message via the first interface to the macro base station, the radio link when the radio link failure message is used to instruct the user equipment and services small cell access to the macro base station setup failure, the radio link failure message carries the identifier of the controller and coordinating at least one of the following information: identity of the small cell, the small cell and the PCI ECGI of the small cell.

Binding a fourth aspect, the first to the fourth aspect of the fourteenth any one possible implementation manner, in the fourth aspect of the fifteenth possible implementation, the first communication module for: through the first interface to the macro base station transmits a first handover report, for the first reason handover report indicating the macro base station to the user equipment and services small cell handover failure; or by the first interface receives the second handover report sent by the macro base station, the second handover report indicating the reason for the small-cell service user equipment to the macro base station handover failure, the second handover report the coordination controller comprises identification information and at least one of the following: ECGI identifying the small cell, the small cell and the PCI of the small cell.

Binding a fourth aspect, the first to the fifteenth any one possible implementation of the fourth aspect, in the sixteenth aspect of the fourth possible implementation manner, the first communication module for: through the first interface to the macro base station transmits a first small cell activation request message, the first small-cell activation request message is used to instruct the controller to coordinate the management of the at least one first base station and services small cell activation, the first small-cell activation request message carries the identifier of the controller and coordinating at least one of the following information: the identification of a small cell, the PCI of the small cell and small cell ECGI;

Through the first interface to receive the first small-cell activation in response to the macro base station transmits message; or

Through the first interface receiving the macro base station transmits a second small cell activation request message, the second small-cell activation request message carries the identifier of small cells need to be activated, and the need to identify small cell is activated comprising identifying the coordination controller, and at least one of the following information: the identification of a small cell, the PCI of the small cell and small cell ECGI; activation request message according to the second small-cell activation said small cells need to be activated, and the first interface station sending a second message to small-cell activation in response to the macro by said.

Binding a fourth aspect, the first to the fourth aspect of the sixteenth any one possible implementation manner, in the fourth aspect of the seventeenth possible implementation, the first communication module for: through the first interface to the macro base station transmits a first small cell activation request message, the first small-cell activation request message is used to instruct the controller to coordinate the management of the at least one first base station and services small cell activation, the first small-cell activation request message carries the identifier of the controller and coordinating at least one of the following information: the identification of a small cell, the PCI of the small cell and small cell ECGI;

Through the first interface receiving said first small cell macro base station transmits an activation failure response message; or

Through the first interface receiving said second small cell macro base station transmits the activation request message, the second small-cell activation request message indicating a need for small cell is activated, said second small cell activation request message carries the coordination controller and identification information of at least one of the following: the identification of a small cell, the small cell and the PCI ECGI of the small cell;

The first access by the macro base station sends a second small cell activation failure response message.

Binding a fourth aspect, in the eighteenth aspect of the fourth possible implementation manner, the second communication module configured to:

Transmitting through the second interface to the first base station the power saving control command, the power saving control command for turning on or off the first base station.

The fourth aspect of the eighteenth binding or possible implementation of the fourth aspect of the implementation, nineteenth possible implementation of the fourth aspect, the second communication module configured to:

Transmitting a first scheduling request to the first base station via said second interface; or

Through the second interface receives the second scheduling request sent by the first base station.

Binding a fourth aspect, the eighteenth or the nineteenth aspect of the fourth possible implementation manner, in a fourth aspect of the twentieth possible implementation manner, the second communication module configured to:

The first base station transmits resource through the second interface to receive the first base station using the information and / or residual information resources.

Binding a fourth aspect, eighteenth to twentieth fourth aspect according to any one possible implementation, the twenty-fourth aspect A possible implementation manner, the second communication means for:

Current load information transmitted from the first base station via said second interface to receive the first base station.

Binding a fourth aspect, the eighteenth through twenty-fourth aspect according to any one possible implementation manner, twenty-second possible implementation manner of the fourth aspect, the first second communication means for:

Configuration information transmitted by the first base station to the second base station interface receives the first, the configuration information includes at least one of the following parameters: the bandwidth of the first base station, frequency, transmit power, antenna parameters, the position coordinates, a physical cell identifier and a cell global identity.

Binding a fourth aspect, the eighteenth to twenty-second species any one possible implementation of the fourth aspect, in the twenty-third aspect of the fourth possible implementation manner, the second second communication means for:

Said second interface by sending configuration commands to the first base station, the configuration command is used to configure the parameters indicative of the first base station, said parameters comprising at least one of the following: power parameters, frequency, transmit mode, and transmitting the common signaling mode.

Binding a fourth aspect, in the eighteenth to twenty-third aspect of the fourth to any one possible implementation, in the twenty-fourth aspect of the four possible implementation manner, the second second communication means for:

Receiving through the second interface of the first base station transmits the operating state information, the operating state information includes at least one of the following parameters: the first user equipment to a base station serving access success rate, a handover failure rate, rate of dropped calls and wireless link failure rate.

Binding a fourth aspect, in any one of the eighteenth to twenty-fourth aspect of the fourth one possible implementation, in the twenty-fourth aspect of the five possible implementation manner, the second second communication means for:

Said second interface by transmitting a control command to the first base station, a control command to a user equipment indicating the first base station is switched.

Binding a fourth aspect, in any one of the eighteenth to twenty-five kinds of the fourth aspect of one possible implementation, in the twenty-fourth aspect of the six possible implementation manner, the second second communication means for: receiving an access request transmitted from the first base station via said second interface message; transmitting the second interface via an access response message to the first base station.

Binding a fourth aspect, in any one of the eighteenth to the twenty-fourth aspect of the six kinds of one possible implementation, in the twenty-fourth aspect of the seven possible implementation manner, the second second communication means for:

Transmitting information through the second interface transmits the scheduling mode to the first base station, transmitting the scheduling information mode comprises at least one of the following parameters: the uplink and downlink time slots of the first base station the user equipment may be used, frequency resources can be used and the maximum transmit power.

Binding a fourth aspect, in any one of the eighteenth to the twenty-fourth aspect of the seven kinds of one possible implementation of the twenty-eight kinds of possible implementation of the fourth aspect, the first second communication means for:

Receiving the measurement report sent by the first base station via the second interface.

Binding a fourth aspect, in any one of the eighteenth to the twenty-eight kinds of the fourth aspect of one possible implementation, in a fourth aspect of the twenty-ninth possible implementation, the first second communication means for:

Transmitted power is controlled by the second base station interface receives the first information, the power control information includes at least one of the following parameters: cell stage power user equipment to the first base station's control parameters, the power adjustment step long and power margin.

A fifth aspect, embodiments of the present invention provides a macro base station, the macro base station comprising: establishing a third module for establishing a first interface between the control and coordination, the coordination controller managing at least one first base station the first base station for a small cell service;

Third communication means for communicating with the first interface controller is coordinated through, such that the coordinating controller coordinates the use of radio resources between the first base station and the first base station.

In a first possible implementation manner of the fifth aspect, the third communication module configured to: receive the first coordinate load information sent by the controller through the first interface, the first load information comprises the current load information of the first base station; and / or,

Coordinating the first interface controller transmits to the second load information, the second information comprises a load information of the current load by the macro base station.

First possible implementation manner of the fifth aspect, in the fifth aspect of the second possible implementation, the current load information of the first base station, comprising: a controller to coordinate the management of at least a current total load information of the first base station.

Binding a fifth aspect, the fifth aspect of the first or second possible implementation, a third possible implementation manner of the fifth aspect, the third communication module is configured to:

Receiving the first coordinate through the first interface controller sends a handover request message, the user equipment first handover request for information indicated by the first base station needs to handover to the macro base station; or

Through the first interface to the macro base station transmits a second handover request message, the second handover request message to the macro base station indicating the user equipment and services need to switch to the first base station.

Combination with the third aspect of the fifth possible implementation manner, in a fourth aspect of the fifth possible implementation manner, the first handover request comprises information identifying the coordination and the first base station controller identity.

Binding a fifth aspect, in any of the first to the fifth aspect of the fourth one possible implementation, a fifth possible implementation of the fifth aspect, the third communication module for : the coordinator through the first interface receiving a first interface setup request message sent by the controller, the first interface setup request message used to instruct the controller requesting establishment of the coordination between the macro base station a first interface, the first interface setup request message includes an identifier of the controller and coordinating at least one of the following information: the identification of small cell small cell, the small cell and the physical cell identity PCI cell global identifier ECGI;

Transmitting to the coordinator controller through the first interface in response to the first interface establishment message.

Binding a fifth aspect, the first to fifth any one possible implementation manner of the fifth aspect, in a sixth possible implementation manner of the fifth aspect, the third communication means for : configuration update information transmitted through the first interface receiving the coordinating controller, update the configuration information includes identification of the coordinated controller, and at least one of the following information: the identification of a small cell, the said ECGI of the small cell and small cell PCI, update the configuration information indicating the configuration of small cells.

Binding a fifth aspect, the first to sixth any one possible implementation manner of the fifth aspect, the seventh possible implementation of the fifth aspect, the third communication module for : transmitting a first state of the resource by the first interface controller receives the coordination request message, the information acquisition request to the first resource according to the state of the current macro base station resource status information; through the first interface to the said controller transmits a first resource coordination status response message, the first response message carries the resource state of the current macro base station resource status information; or

By coordinating the first interface to the second controller transmits the resource status request message, the second resource status request message is used to instruct the controller to coordinate acquiring request message according to the state of said at least one second resource current resource status information of the first base station, receiving through the second interface to a first state of the resource response message, the second resource response message carries the current state of the resource status information of the at least one first base station.

Binding seventh possible implementation manner of the fifth aspect, an eighth possible implementation of the fifth aspect, the third communication module configured to:

The second resource status response message comprises a list identifying at least one first base station and the resource state information and identify at least one corresponding to the first base station.

Binding a fifth aspect, the first to eighth any one possible implementation manner of the fifth aspect, in the ninth possible implementation manner of the fifth aspect, the third communication means for : transmitting a first state of the resource by the first interface controller receives the coordination request message, the information acquisition request to the first resource according to state of the current macro base station resource status information, via the first interface to the said controller transmits a first resource coordination status failure response message, the first response message indicates a failure status of resources of the macro base station threshold currently available amount of resources equal to or less than the set; or,

Request message via the first interface transmits a second resource state to the coordinating controller, the second resource status request message is used to instruct the controller to coordinate the resource request message according to the second status acquiring the first the current base station resource status information, the coordinate of the second controller transmits a resource state through the first interface in response to receiving a failure message, the second resource status indicating failure response message to the first base station is not currently available the resource measurements.

Binding a fifth aspect, the first to ninth any one possible implementation manner of the fifth aspect, a tenth possible implementation of the fifth aspect, the third communication module for : receiving the resource status coordination controller transmits update information through the first interface, the resource information includes resource status update status information of the first base station updates.

Binding tenth possible implementation manner of the fifth aspect, an eleventh possible implementation manner of the fifth aspect, the resource status update information comprises at least one of:

Small cell resources project, the project comprises resource coordination small cell and small cell controller identifier identifying the coordination controller list corresponding to the identifier, and the resource projects small cell small cell identification list corresponding to the identifier;

Hardware load information, the load information includes a hardware identification and a controller coordinating small cell controller identifier corresponding to the identifier of the coordination, and the small cell corresponding to the identifier indicating the hardware load; status information of the radio resource, the radio resource status information includes a controller identifier and the small-cell coordination with the coordinating controller identifier corresponding to the identifier, and the small-cell identifier corresponding to a radio resource state;

Almost blank subframes small cell small cell total available at least a first base station controller to coordinate the management of the service controller processing said at least one coordinating base station serving a first frame ABS state.

The first to eleventh aspects in any combination with the fifth aspect of the fifth one possible implementation, a twelfth possible implementation of the fifth aspect, the third communication module to: transmit via the first interface controller to coordinate the change request message mobility, the mobility change request message identifies the selected small cell identification and coordination of the controller, the change in mobility request message for indicating the selected small cell handover preparation;

Received through the first interface controller changes movement of the coordination response message sent by the mobility change response message carries the identifier of the selected small cell identification and the coordination controller.

Binding a fifth aspect, the first to the fifth aspect of the twelfth to any one possible implementation mode, in a fifth aspect of the thirteenth possible implementation, the third communication module for: transmitting through the first interface controller to coordinate the mobility change request message, the mobility change request message identifies the selected small cell identification and the coordination controller, the mobility change request message for indicating the selected small cell handover preparation;

Receiving said mobility change coordination controller through the first interface transmits a failure response message, the mobility change failure response message carries the identifier of the selected small cell identification and the coordination controller.

Binding a fifth aspect, in the first to thirteenth aspect of the fifth one possible implementation, in the fifth aspect of the fourteenth possible implementation manner, the third communication module for: coordinating the transmission of the radio link controller through the first interface receiving a failure message, the user equipment radio link failure message is used to instruct the first base station to the macro base station when the access radio link setup failure, the radio link when the radio link failure message is used to instruct the user equipment and services small cell access to the macro base station setup failure, the radio link failure message carrying the coordinated control and at least one identifier of the following information: ECGI identifying the small cell, the small cell and the PCI of the small cell.

Binding a fifth aspect, the first to the fifth aspect of the fourteenth any one possible implementation manner, in the fifth to the fifteenth aspect possible implementation, the third communication module for: receiving via the first interface of the first coordination handover report sent by the controller, the first reason for the handover report indicating the user equipment to the macro base station serving a small cell of the handover failure; or ,

Coordinated through said first interface to said second controller transmits a handover report, the handover report used to instruct the second small cell serving a user equipment cause of the failure is switched to the macro base station, said second switching the report includes identification coordination controller and at least one of the following information: ECGI identifying the small cell, the small cell and the PCI of the small cell.

Binding a fifth aspect, the first to the fifteenth any one possible implementation manner of the fifth aspect, in the sixteenth aspect of the fifth possible implementation, the third communication module for: transmitting a first small cell is received through the first interface controller to coordinate the activation request message, the first small-cell activation request message for instructing the at least one first base station controller to coordinate the management activated serving small cell, the first small-cell activation request message carries the identifier of the controller and coordinating at least one of the following information: the identification of a small cell, the small cell and the PCI of the small ECGI cell, sent via the first interface to the controller of the first small-cell activation coordination response message; or

By coordinating the first interface controller to the second small cell transmitting the activation request message, the second small-cell activation request message carries the identifier of small cells need to be activated, and the need to identify small cell is activated the coordination controller comprises identification information and at least one of the following: ECGI identifying the small cell, the small cell and the PCI of the small cell, so that the controller according to the second coordinate small cell activation request message, activate the small cells need to be activated.

Binding a fifth aspect, the first to the fifth to the sixteenth aspect according to any one possible implementation mode, in a fifth aspect of the seventeenth possible implementation, the third communication module for: transmitting a first small cell is received through the first interface controller to coordinate the activation request message, the first small-cell activation request message for instructing the at least one first base station controller to coordinate the management activated serving small cell, the first small-cell activation request message carries the identifier of the controller and coordinating at least one of the following information: the identification of a small cell, the small cell and the PCI of the small ECGI of the cell;

Transmitting by said first interface controller to coordinate the first small cell activation failure response message; or

By coordinating the first interface controller to the second small cell transmitting the activation request message, the second small-cell activation request message indicating a need for small cell is activated, said second small cell activation request message carries the coordination controller and identification information of at least one of the following: the identification of a small cell, the small cell and the PCI ECGI of the small cell;

Receiving said coordination controller through the first interface transmits a second small cell activation failure response message.

A sixth aspect, embodiments of the present invention provides a first base station, the first base station comprising: establishing a fourth module for establishing a second interface with the coordination between the controllers;

Fourth communication means for coordination and the second interface controller communication via the coordinating controller managing at least one first base station to the first base station serving a small cell, such that the coordinating controller coordinates using the at least one first base station and the other radio resources between the first base station the first base station.

The first possible implementation of the sixth aspect of the fourth communication module is configured to: receive the coordinating energy through the second interface controller sends a control command for turning on the power saving control command or disconnecting the first base station.

Binding a sixth aspect, a first possible implementation of the sixth aspect, a second possible implementation of the sixth aspect of the fourth communication module is configured to:

Receiving through the second interface of the first coordinating scheduling request sent by the controller; or coordination controller sends a scheduling request to the second through the second interface.

Binding a sixth aspect, the sixth aspect of the first or second possible implementation, a third possible implementation of the sixth aspect of the fourth communication module is configured to:

Transmitting the first base station using the resource information and / or resource remaining information through the second interface to the coordinating controller.

Binding a sixth aspect, in any of the first to the sixth aspect of the third possible implementation mode, in a fourth aspect of the sixth possible implementation manner, the fourth communication means for : transmitting the first base station via said second interface to said controller coordinating the current load information.

Binding a sixth aspect, in any of the first to the sixth aspect of the fourth one possible implementation, a fifth possible implementation of the sixth aspect of the fourth communication means for : through the second interface to the controller transmits the coordinate position information of the first base station, the configuration information includes at least one of the following parameters: the bandwidth frequency of the first base station, transmit power, antenna parameters, the position coordinates, a physical cell identifier, the cell global identity.

Binding a sixth aspect, the first to fifth any one possible implementation of the sixth aspect, in a sixth possible implementation manner in the sixth aspect, the fourth communication means for : the coordinator through the second receiving interface configuration command sent by the controller, the configuration command is used to configure the parameters indicative of the first base station, said parameters comprising at least one of the following: power parameters, frequency , transmission mode, and transmitting the common signaling mode.

Binding a sixth aspect, the first to fifth any one possible implementation of the sixth aspect, in a sixth possible implementation manner in the sixth aspect, the fourth communication means for : through the second interface to the transmit controller coordinating the operation state information of the first base station, the working status information comprises at least one of the following parameters: the user access device of the first base station successfully rate, a handover failure rate, call drop rate and the rate of radio link failure.

Binding a sixth aspect, the first to seventh any one possible implementation of the sixth aspect, an eighth possible implementation of the sixth aspect of the fourth communication means for : receiving the control command sent by the controller through the second interface coordinate;

The user equipment is switched to the control command instructing the first base station.

Binding a sixth aspect, the first to eighth any one possible implementation of the sixth aspect, in the ninth possible implementation manner of the sixth aspect, the fourth communication means for : sending an access request message via the second interface to the coordinating controller;

Receiving said coordination response message sent by the access controller via the second interface.

Binding a sixth aspect, the first to ninth any one possible implementation of the sixth aspect, a tenth possible implementation of the sixth aspect of the fourth communication means for : the coordinator through the second interface receiving transmission scheduling mode information sent by a controller, transmitting the scheduling information mode comprises at least one of the following parameters: upper and lower rows of the first user equipment and services can be used in a base station slot, and the frequency resources usable maximum transmission power. Binding a sixth aspect, the first to tenth any one possible implementation of the sixth aspect, an eleventh possible implementation of the sixth aspect of the fourth communication module to: send a measurement report to the coordinating controller through the second interface.

Binding a sixth aspect, in the first to eleventh aspect of the sixth one possible implementation, in the sixth aspect of the twelfth possible implementation manner, the fourth communication module for: transmission power control information, the power control information includes at least one of the following parameters to the coordinated controller through the second interface: the cell power level of the first base station serving the user equipment control parameters, the power step size, and power margin.

A seventh aspect, embodiments of the present invention provides a controller coordinating the coordinating controller managing at least one first base station, the first base station serving a small cell, the coordinating controller comprising: a processor and transceiver;

The processor is configured to establish an interface between a first and a macro base station;

For the transceiver via the first interface to communicate with the macro base station to coordinate the macro base station and a radio resource used between the first base station; and / or,

Said processor for establishing a second interface between the first base station;

The transceiver via the second interface for communicating with the first base station using a radio resource coordination between the other first base station the first base station and the at least one first base station.

Eighth aspect, embodiments of the present invention provides a macro base station, the macro base station comprising: a processor and a transceiver;

Establishing for said processor and coordination between the first interface controller, the controller manages at least one of said first coordination base station to the first base station serving a small cell;

The transceiver through the first interface for communication with the control coordinator, such that the coordinating controller coordinates the macro base station and a radio resource used between the first base station.

A ninth aspect, embodiments of the present invention provides a first base station, the first base station comprises a processor and a transceiver:

The processor is configured to establish a second coordination interface between the controller, the coordination controller managing at least one first base station, the first base station for a small cell service;

The transceiver via the second interface for communication with the control coordinator, such that coordinated control of coordinating the first base station and said at least one other first radio resources between the base station in a first usage of. Radio resource management method provided in the embodiment of the present invention, the coordination controller, the macro base station and a first base station, the coordination controller in communication with the macro base station via a radio resource coordination between the macro base station and each of the first base station using the first interface, coordination through the first base station controller to coordinate radio resources between the first base station using a second interface, such that the radio resource management algorithms greatly enhance the performance achieved between the first base station, a first base station and the macro base station between efficient radio resource management. In the present embodiment, since the radio resource management performed by the coordinated controller, therefore, have been laid in the case of the macro base station and get ready to lay a large number of the first base station, to avoid the macro base station has been laid upgrade difficult. BRIEF DESCRIPTION OF DRAWINGS In order to more clearly illustrate the technical solutions in the embodiments or the prior art embodiment of the present invention, the accompanying drawings for describing the embodiments are introduced briefly described in the embodiments or the prior art are required Apparently, the description below the figures show some embodiments of the present invention, those of ordinary skill in the art is concerned, without any creative effort, and can obtain other drawings based on these drawings.

Figure 1 is a schematic view of a first infrastructure wireless network resource management method of the invention is applied; FIG. 2 is a radio resource management method flow diagram embodiment of the invention;

Radio resource management method of FIG. 3 flowchart according to a second embodiment of the invention;

FIG 4 a flow chart radio resource management method according to a third embodiment of the present invention;

Radio resource management method according to a fourth embodiment of a flowchart of FIG. 5 of the present invention;

FIG 6A radio resource management method of the present embodiment of the invention, the first five flowchart;

FIG 6B radio resource management method of the present embodiment of the invention, five second flow chart;

7 flowchart radio resource management method according to a sixth embodiment of the invention;

8 flowchart radio resource management method according to a seventh embodiment of the invention;

Figure 9 flowchart of the radio resource management method of eight embodiment of the present invention;

FIG 10 a flow chart radio resource management method according to a ninth embodiment of the invention;

11 radio resource management method flow diagram embodiment of the present invention, ten;

FIG 12 a flow chart radio resource management method according to an eleventh embodiment of the invention;

13 radio resource management method flowchart twelve embodiment of the invention;

FIG 14 radio resource management method flow diagram XIII embodiment of the present invention; FIG. 15 radio resource management method flowchart fourteen embodiment of the invention;

FIG 16 radio resource management method flowchart fifteen embodiment of the invention;

FIG 17 radio resource management method flowchart XXVIII embodiment of the present invention;

FIG 18 is a schematic diagram of the invention a coordinated control of the embodiment;

Macro base station 19 of the present invention, FIG schematic diagram of a configuration of the embodiment;

FIG 20 a schematic structural diagram of a first base station of the embodiment of the present invention;

FIG 21 a schematic view of coordinated control of the present invention according to a second embodiment;

FIG 22 a schematic view of a macro base station configuration of the present invention according to a second embodiment;

FIG 23 a schematic view of a first base station structure according to a second embodiment of the present invention. detailed description

The principles of the present invention is implemented, technical solutions, and advantages of the embodiments more clearly, the following embodiments of the present invention in the accompanying drawings, the technical solutions in the embodiments of the present invention will be clearly and completely described. Obviously, the described embodiments are part of the embodiments of the present invention rather than all embodiments. Based on the embodiments of the present invention, all other embodiments of ordinary skill in the art without any creative effort shall fall within the scope of the present invention.

Figure 1 is a schematic view of a first infrastructure wireless network resource management method applicable to the invention. 1, a wireless network comprises a macro base station, the coordination controller, a first base station cluster 1 and cluster 2 a first base station, wherein the first base station cluster includes at least one first base station, each base station cluster are set to a first coordinated controller, i.e. coordinated at least one first base station controller manages the first base station for a small cell service. Establishing a first interface between the coordinator and the macro base station controller, via the first interface for signaling interaction established between the first base station of a dotted line in the FIG., The first base station controller to coordinate its cluster belongs two interfaces, through a second interface for signaling interaction, shown in solid lines in FIG.

Referring to FIG 1, with respect to the existing wireless network, in the embodiment of the present invention, when the number of laying the first base station to the first base station cluster exceeds a certain threshold, increasing the first base station controlling the coordinated cluster , a coordinate between a first base station, the control signaling and data transmission between the first base station and a macro base stations coordinated by the controller.

It will be appreciated that, in FIG. 1, the macro base station may be presented laying, macro base station and each base station with a first frequency laid; or laying presenting the macro base station, each of the macro base station and a first base station inter-frequency laid; or a macro base station does not exhibit laying a first macro base station and each base station may be the same inter-frequency frequency laid paving. In general, the first two ways are more suitable for outdoor laying a laid back way more suitable for indoor, can demand a flexible manner according to the laying of choice.

Radio resource management method of FIG. 2 a flow diagram of the embodiment of the present invention. Refer to FIG. 1, the present embodiment is performed in the main controller to coordinate the present invention will be described in detail. Specifically, the present embodiment may include the steps of:

Establishing an interface between the first 101, the macro base station controller coordinate.

In this step, each base station cluster controller can coordinate with the macro base station to establish a first interface; alternatively, may be part of a first base station cluster controller coordinating the macro base station to establish a first interface.

102, the coordination controller via the first interface to coordinate communication with the macro base station and the macro base station using radio resources between the first base station.

In this step, the coordination controller communicates with the macro base station via the first interface, to the macro base station using the radio resource coordination between the respective jurisdiction of the first base station controller and the coordinator, and services such as controlling the first small base station cell user equipment UE to hand over to the macro base station or a macro base station served by the first base station handover, interference coordination between the first base station and a macro base station, between the first base station and to achieve efficient radio resources of the macro base station management.

103, a second coordination controller establishes an interface between the first base station.

In this step, a second interface to establish coordination between the respective first base station controller and a first base station in the cluster to which it belongs. For example, referring to FIG. 1, a first base station cluster coordination between the first base station controller belonging to each cluster of a first base station and establishing a second interface.

104, coordinated by the controller in communication with the base station using a first radio resource coordination between the first base station and the first base station to other base station at least a first and a second interface.

In this step, each of the first base station controller to coordinate with the first base station cluster to which it belongs in communication through the second interface, to coordinate the use of radio resources between the respective first base station a first cluster belongs, the small cell controlling user equipment in the first base station a first handover to another base station of the first cluster, the interference coordination between respective first base station a first cluster, each of the first to realize a base station between efficient management of radio resources.

Incidentally, the above-described step 101, the controller 102 is to coordinate the macro base station during establishment of a first interface and communicating via a first interface, the above-described steps 103, 104 is a first base station controller and its coordination cluster belongs establishing an interface between the first and second base stations during communication through the second interface, the first interface interfaces with the second embodiment coexist in this embodiment, and should be noted that, in the embodiment as described above may be implemented in a establishing a second interface to the first interface and then create, i.e., first perform steps 103 and 104, and then performs steps 101 and 102. However, the present invention is not limited thereto, in other possible embodiments, may also be present only the first interface or the second interface is only the presence of, for example, only the first base station controller establishes cluster coordination with the first a second interface to a base station without establishing a first interface, such that coordinated control of the coordinated use of radio resources between the first base station through a second interface and the radio resource between the first base station and the macro base station management coordinated, responsible for macro base station.

Radio resource management method provided in the embodiment of the present invention, the coordination controller in communication with the macro base station via a radio resource coordination between the macro base station and each of the first base station using the first interface, the second interface controller to coordinate with the first base station using the radio resource to coordinate communication between each of the first base station, so that the performance of radio resource management algorithm greatly enhanced, between the first base station to achieve efficient radio resource management between a first base station and a macro base station. In the present embodiment, since the radio resource management performed by the coordinated controller, therefore, have been laid in the case of the macro base station and get ready to lay a large number of the first base station, to avoid the macro base station has been laid upgrade difficult.

Incidentally, the above-described first embodiment, steps 101, 102 and 103, 104 is not in strict order, the present invention is not limited thereto.

FIG. 3 flowchart radio resource management method according to a second embodiment of the present invention. Referring to FIG. 1, the coordination controller managing at least one first base station, a first serving base station for a small cell, the present embodiment is performed in the main embodiment of the present invention is explained in detail with a macro base station. Specifically, the present embodiment includes the following steps:

201, the macro base station to establish a first interface between the controller and coordination.

Specifically, see step 101 in FIG. 2, will not be repeated here.

202, the macro base station via a first communication interface controller in coordination with such coordinated controller coordinates the macro base station using the radio resources between the first base station.

Specifically, the coordination controller communicates with the macro base station via the first interface, to the macro base station using the radio resource coordination between the respective jurisdiction of the first base station controller and the coordinator, the user equipment by the control of a first base station switching the user equipment to the macro base station or a macro base station serving a first base station to the handover, interference coordination between a first base station and a macro base station, between the first base station and to achieve efficient radio resource management of a macro base station.

Radio resource management method provided in the embodiment of the present invention, the macro base station via a first communication interface controller in coordination with such coordinated controller coordinates the macro base station using the radio resources between the first base station. FIG 4 a flow chart radio resource management method according to a third embodiment of the present invention. Referring to FIG. 1, the coordination controller managing at least one first base station, a first serving base station for a small cell, the present embodiment is performed in the body of a first embodiment of the present invention is a base station in detail. Specifically, the present embodiment includes the following steps:

301, establishing a second interface between the first base station controller and coordination.

Specifically, FIG. 2 refer to the above step 103, it will not be repeated here.

302, first base station through a second interface controller coordinating communications, such coordinated controller coordinates the use of the radio resources between the first base station and at least one other first base station of a first base station.

Specifically, each of the first base station by communicating with a second interface between the first base station cluster to which it belongs in the coordinated controller, such that each of the first base station between a first base station cluster coordination controller may coordinate belongs using radio resources, such as controlling the user equipment by the first base station a first handover to another base station of the first cluster, the interference coordination between the first base station a first cluster, each of the first to achieve efficient management of radio resources between a base station.

Radio resource management method provided in the embodiment of the present invention, the first base station through a second interface controller coordinating communications, such coordinated controller coordinates the use of the radio resources between the first base station.

5 a flowchart of a radio resource management method according to a fourth embodiment of the present invention. In this embodiment, the macro base station controller to coordinate the load information is transmitted via the first interface, such that the coordinated controller coordinates the load balancing between the first base station and a macro base station. Specifically, the present embodiment includes the following steps:

401, the coordination controller via the first interface to the macro base station transmits a first load information corresponding to the macro base station via a first load information transmitted from a first interface to receive coordinated controller, a first current load information comprises a load information of the first base station ; and / or,

402, the macro base station transmits to the coordinator through the first interface controller of the second load information, corresponding, coordinated via a first interface controller receives the macro base station transmits a second load information, the second current load information includes load information of the macro base station.

Specifically, the controller may coordinate periodic or event triggered by a first interface to send a first message to the macro base station load, the first load information may include the current load information of each of a first base station, a first base station cluster entire the total load current load information, or information near an edge of the first macro base station and all the first base station. All coordination controller current load information of the first base station to the macro base station transmits the bearer on the first load information and to be selectively transmits some load information of the first base station to the macro base station. Similarly, the macro base station require periodic or event triggered by sending a current load information of the first interface comprises a macro base station controller of the second load information to the coordinator.

In general, the first load information and the second load information in a load balancing algorithm, for example, when the controller according to the second coordinate information discovery load relatively heavy load macro base station, that the scheduling algorithm by the macro base station near the first rate scheduling base station the user equipment is reduced, thereby reducing interference to the user equipment served by the macro base station to a certain extent; alternatively, may be macro base station by the user equipment to switch to provide services to a first base station cluster coordination controller belongs to a first base station in the small cell.

Optionally, the above-described embodiment, the current load information of the first base station, comprising: a total load information from at least one first base station controller manages the coordination of the current.

Incidentally, in the above-described four embodiments, steps 401 and 402 are not in strict order, the present invention is not limited thereto.

FIG 6A radio resource management method of the present embodiment, five first flowchart of the present invention. In this embodiment, macro base station controller to coordinate transfer switching request information via a first interface, such that the coordinated controller coordinates the small cell by a user equipment of a first base station to the macro base station handover. Specifically, the present embodiment includes the following steps:

501a, the user equipment sends a measurement report to the coordinating controller.

Small cell when the user equipment served by the first cluster of a first base station to be switched to the macro base station, a user equipment at the first base station sends a measurement report to the first base station controller to coordinate measurement report parameters comprises a signal strength of the user equipment, and the like.

502a, the coordination controller via the first interface to the macro base station transmits a first handover request message, the corresponding macro base station transmits a first handover request message received via the first interface controller to coordinate, wherein the first handover request message for instructing small cell by a user equipment in a first base station to be switched to the macro base station.

Alternatively, the first handover request message may include an identification identifying the first base station controller, and coordination so that the macro base station receiving the first handover request message, determining a first base station and the user equipment belongs coordinated control , a handover preparation and over the user equipment to prepare the appropriate bandwidth, power and other resources, so that the user equipment from the first base station a small cell cluster of the first base station to prepare the handover of the macro base station.

503a, the macro base station transmits a first handover request to a coordinator notifies the controller. If the macro base station can be switched over in preparation for providing the user equipment corresponding resource, sending a first handover request to a coordinator notifies the controller, it indicates that the user equipment has to have the appropriate resources macro base station.

504a, the coordination controller sends a handover command to the user equipment first.

Coordination user equipment to the user equipment transmits a first control switching command such that the first base station serving a first base station cluster small cell handover to the macro base station.

Incidentally, the above step 503a, if it is determined that the macro base station can not provide the switching over to prepare resources for a user equipment, the transmission failure reasons of carrying prepare handover preparation and handover failure notification to delete the coordination controller, to a first user equipment sends a handover failure command.

FIG 6B radio resource management method of the present embodiment five of the present invention a second flow chart. In this embodiment, macro base station controller to coordinate transfer switching request information via a first interface, such that the coordinated controller coordinates the user equipment served by the first base station to a macro base station of a small cell handover. Specifically, the present embodiment includes the following steps:

501b, the user equipment sends a measurement report to the macro base station.

When the user equipment served by macro base station needs to handover to the first base station, the user equipment prepare handover measurement report to the macro base station transmits a measurement report including a signal strength parameter of the user equipment, and the like.

502b, the macro base station transmits a second handover request message to the coordinator controller.

Macro base station transmits to the coordinator through the first interface controller of the second handoff request message, the second handover request message for the user equipment and services is indicated by the macro base station to be switched to the first base station, and correspondingly, the coordination controller received via the first interface macro base station transmits a second handover request message, wherein the second handover request message carries the identifier and the identifier of the target coordinate controller is ready to receive a first handover target base station to coordinate such that the target controller receives the second handover request message after informing the corresponding target base station to prepare the handover of the first user equipment over prepare corresponding bandwidth, power and other resources to the macro base station that the user equipment is ready to switch to the first service station.

503b, the coordination controller sends a second switching request notification to the macro base station.

If the first base station can be switched over in preparation for providing the user equipment corresponding resource, the coordinator notifies the controller transmits a second handover request to the macro base station, the first base station has indicated that the device is ready for the user corresponding resource.

504b, the macro base station transmits a second handover command to the user equipment, so that the user equipment to the macro base station serving a first base station handover.

Incidentally, the above-described step 503b, if the first base station determines that the user equipment is not ready to provide the switching over resources, the coordination controller sends the macro base station to prepare the handover cause failure carrying preparation failure notification and the like of the switch delete, handover failure command to the user equipment.

7 flowchart radio resource management method according to a sixth embodiment of the invention. In this embodiment, macro base station controller to coordinate the first transmission interface setup request message to establish a first interface via the first interface. Specifically, the present embodiment includes the following steps:

601, the coordination controller via the first interface to the macro base station transmits a first interface setup request message, the corresponding macro base station via a first interface to establish a first interface to receive the transmitted request message coordination controller, a first interface setup request message for controller requests to establish a first coordinate indicating □ connection between the macro base station.

Alternatively, the first interface setup request message includes an identifier and at least one coordination controller of the following information: an identifier of a small cell, small cell physical cell identity PCI Cell Global Identifier (ECGI) and small cell. Specifically, the first interface setup request message may include the following new cell, the new cell global identity and the new group EGCI physical cell identity, which identifies the controller including small cell under the jurisdiction of all first base station wherein, in the form of small cell identifier may be a combination of macro base station identification and identifier identifying the coordination controller and small cell identifier; physical cell identity of the form may be a macro base station identification and coordination PCI controller identification and cell identification of small combination logo.

602, the macro base station transmits a first interface establish response message to the coordinator through the first interface controller, the corresponding coordination controller receives a first interface setup response message sent by the macro base station via the first interface.

Specifically, the macro base station receives the first interface setup request message, carrying the transmitted cell identification (Cell ID) of the macro base station controller to coordinate the first interface establishing other physical cell identity information (Physical Cell ID, PCI) and other elements of response message, to establish a first interface between the macro base station.

The above-described steps 601, 602, the first interface establishment request initiated by the coordination controller, however, the present invention is not limited thereto, in other possible embodiments, optionally, the first interface setup request message can also be made initiated by macro base station, particularly, see steps 603, 604.

603, the macro base station transmits to the first interface controller of the first coordination interface setup request message, a respective coordinated controller receives a first interface setup request message transmitted from the macro base station via a first interface, the first interface setup request message for macro base station indicating a request to establish a first connection between the coordination controller □.

Specifically, the macro base station cell identification information of the other (Cell ID, CID) and other elements to carry the coordination controller transmits establishment request message at the first interface, the coordination controller receives the macro base station interface setup carries a first cell identity request news.

604, the coordination controller via the first interface to the macro base station transmits the first interface establishment response message, the corresponding macro base station in response to the first interface establishment message sent by the first coordination interface to receive the controller.

Incidentally, the above-described step 602, when the first interface establishment fails, the macro base station transmits to the controller indicative of a first coordination interface of the first interface establish failure response message setup failure; or the above-described step 604, when the first when the interface establishment fails, the controller coordination instruction to the macro base station sends a first interface to establish a first interface establishment failure failure response message.

Further, it should also be noted that the above step 602, when the first interface establishment failure, such as an X2 interface establishment fails after the re-establishment of an X2 interface, as the coordination controller may also transmit the first interface reestablishment request message to the macro base station, reconstruction macro base station transmits a first interface controller to the coordinator a response message to re-establish the first interface.

8 flowchart radio resource management method according to a seventh embodiment of the invention. In this embodiment, macro base station controller to coordinate the configuration update information is transmitted via the first interface, such that the coordinating controller coordinates the update of radio resources between a first base station and a macro base station. Specifically, the present embodiment includes the following steps: 701, coordination controller via the first interface to the macro base station sends a configuration update message. Update the configuration information in the configuration information may comprise at least one first base station of the first cluster; correspondingly, the macro base station via the first interface receiving the configuration update information transmitted by the controller coordination. Wherein the configuration update information may include an identification coordination controller and at least one of the following information: an identifier of a small cell, PCI ECGI small cell and small cell, the configuration information is used to update the configuration information indicating a small cell.

Specifically, when the configuration of the first base station updates occur, the controller may coordinate the first base station belongs in the cluster configuration are each configured to update a first small cell base station, antenna parameters including resource status, etc. carried in the configuration transmitting the update information to the macro base station, the macro base station according to the configuration update information, known changes in the configuration of the first small-cell base station. The correction macro base station configuration information received, to be adjusted accordingly, for example, adjusting the cell neighbor list, and the like.

702, when the macro base station successfully receives the transmission coordination controller configuration update information, via the first interface to send a configuration update confirm message coordination controller.

It will be appreciated that the above step 702, if the macro base station does not successfully receiving the configuration update information is sent to the controller is configured to coordinate the update failure message, specifically, can be found in the prior art, it is not repeated here. Figure 9 flowchart of the radio resource management method of eight embodiment of the present invention. In this embodiment, macro base station controller to coordinate the resource status request message is transmitted via the first interface, such that the coordinated controller coordinates the use of the radio resources between the first base station and a macro base station. Specifically, the present embodiment includes the following steps:

801, the coordination controller sends the macro base station via a first interface to a first resource status request message, the corresponding macro base station request message received via the first interface of the first resource sent by the controller coordination state, wherein the first resource status request message macro base station for instructing the macro base station acquires information about the current resource status.

802, the macro base station transmits to the coordinator through the first interface controller of the first resource status response message corresponding to coordinate state controller receives a first resource response message sent by the macro base station via the first interface, a first resource response message carries status Acer station current resource status information.

The above-described steps 801, 802, coordinated control of the macro base station requested to be notified of the current resource status information, the macro base station in accordance with current resource status information, to determine whether the macro base station as a target base station to the first base station by the handover of user equipment to the service macro base station. However, the present invention is not limited thereto, in other possible embodiments, the optional, may be macro base station requested to be notified of the current status information of the resource coordination controller of the first base station belongs, in particular, see the following step 803, 804.

803, a second macro base station sends the resource status request message to the coordinator controller via the first interface, corresponding, coordinated control of a second resource request message through the interface to receive a first state of the macro base station transmits, according to a second resource controller coordinating state request message to obtain the current status information of the at least one first resource of the first base station cluster.

804, the coordination controller via the first interface to the macro base station transmits a second resource status response message, a corresponding macro base station receives the macro base station transmits a second resource status response message via the first interface, a second resource response message carries a first state at least one first base station resource status information of the current cluster.

Alternatively, the second resource status response message comprises a list identifying at least a first base station and the at least one resource status information of the first base station corresponding to identity. For example, the second resource status response message of a particular vector, the SP [first base station I, a measurement, measurement 2, ......], indicate the current state of the resource information of the first base station at least a first base station cluster.

When the controller receives a first coordinate macro base station transmits the resource status of the interface via a first response message, the message is determined whether the user allows switching apparatus according to a first state in response to the resource. For example, when the macro base station coordinated controller finds the current load is relatively heavy, the comparison resources available is small, the macro base station is not allowed as a target BS for handover of the user equipment; Similarly, when the macro base station received via the first interface to the coordinator the second controller transmits the resource status response message, a response message according to a second resource state, determines the macro base station to which the user equipment can first base station of a small cell handover of the first base station a small cell which is optimal small cell.

FIG 10 a flow chart radio resource management method according to a ninth embodiment of the invention. At eight differences embodiment of the above-described embodiment in that in FIG. 9, FIG. 9 is suitable for coordinated control of the macro base station successfully delivered scene resource status request message through the first interface, and the present embodiment is applied to the macro base station controller through coordination of a UI scene not delivered resource status request message. Specifically, the present embodiment includes the following steps:

901, the coordination controller via the first interface to the macro base station transmits a first resource status request message, the corresponding macro base station request message received via the first interface of the first resource sent by the controller to coordinate and obtain the current status of the resource status information, the first a resource status request message to the macro base station for instructing the macro base station acquires information about the current state of the resource;

902, the macro base station when it was found smaller than the currently available resources, the user equipment can not be used to switch the like, the failure response message by sending a first resource to the first interface controller state coordination, indicating the macro base station resources currently available less than or equal to the set threshold, the requested resource is currently in a failed state;

Similarly, when the macro base station requesting the first base station a first of all known coordination cluster controller belongs to the first base station or part of the current resource status information of the failure, Optionally, the present embodiment further comprises the steps of:

903, the macro base station transmits via a first interface to a second controller to coordinate resource status request message, the corresponding coordination controller receives a second resource status request message sent by the macro base station via a first interface, a second resource status request message, obtain the current status information of the at least one first resource of the first base station cluster

904, when the controller detects a first coordinate macro base station of the requested amount of resources currently available is less than or equal to threshold comparison set, and the like can not be used to switch the user equipment, transmitting through the first interface to the second macro base station resource status failure response message, indicating that the first base station to the macro base station the requested amount of resources currently available is smaller than or equal to the set threshold, the first base station resources are not currently available for the measurement, the requested resource is currently in a failed state.

Further, the coordination controller may also request the macro base station to a specific resource, e.g., macro base stations may be provided if the request bandwidth is 2MHz, lOOmW transmit power resources, if the macro base station may be provided, sending a first resource status response message, otherwise sending a first resource response message to the failed state; Similarly, macro base station may also request specific resources coordination controller, i.e., whether there is a first coordinate to provide a corresponding base station resources for a first base station cluster controller belongs, the specific , see the specific resource coordination controller requests the macro base station process, not further described herein.

11 radio resource management method of the present embodiment ten flowchart invention. In this embodiment, the macro base station controller to coordinate the resource status update information is transmitted via the first interface, such that the coordinated controller coordinates the use of the radio resources between the first base station and a macro base station. Specifically, the present embodiment includes the following steps:

1001, through the first interface controller to coordinate the macro base station transmits the resource status update information, the corresponding macro base station resource status update information received via the first interface controller to coordinate resource status update information comprises at least a first base station cluster a first base station updates the resource status information.

In this step, when the resource state of the first base station cluster coordination controller belongs to some or all of the first base station is changed, the coordination controller updates the resource state information to the macro base station transmits the first interface.

Alternatively, update the resource status information comprises at least one of:

Small projects cell resources, resource items including small cell and small cell coordination controller identifier identifying the controller coordinate list corresponding to the identifier, and the small cell and small resource projects cell identifier listed in the list corresponding to the identifier.

Hardware load information, the load information includes a hardware identification and a controller coordinating small cell identifier and the controller identifier corresponding to the coordinate, and hardware load indicating small cell corresponding to the identifier. Specifically, a combination of hardware load information of each of the small cell and small cell controllers to coordinate identifier to identify, because they do not involve the core network, transmission network load (Transport Network Load, TNL) S1 interface are deleted.

Radio resource status information, the status information includes radio resource coordination and small cell identifier identifying the controller and the controller identifier corresponding to the coordinate, and a radio resource state of the small cell corresponding to the identifier.

Almost Blank small cell small cell sub least a first base station controller to coordinate the management of services total available capacity of the at least one coordination controller manages the first service station frame ABS state. Specifically, almost blank subframe (Almost blank frame, ABS) state controller identifications and associated coordinate small cell, such as a combination of identification to identify small cell periphery. Macro base station according to the resource state information is updated to the received switching control, load balancing and the like. For example, when the macro base station according to the resource state information is updated, it is determined that a small cell capacity can be utilized continue to decrease, so do the handover or load balancing decision is not taken into account the small cell; Again, doing the scheduling operation when the user equipment to reduce the rate of traffic around the small cell and the like.

The above steps are coordinated controller 1001 informs the resource state of the small-cell base station itself belongs a first cluster a first base station to the macro base station is changed, however, the present invention is not limited thereto, in other possible embodiments may also macro base station informs the coordination controller changes the state of its own resources. Accordingly, an alternative, this embodiment may further comprise the steps of:

1002, the macro base station transmits over a first interface controller to coordinate resource status update information corresponding coordination controller updates the resource state information received by the macro base station transmits a first interface.

Specifically, see the above-described step 1001, it is not repeated herein.

FIG 12 a flow chart radio resource management method according to an eleventh embodiment of the invention. In this embodiment, the macro base station controller to coordinate the mobility change request message is transmitted via the first interface, such that the coordinated controller coordinates the use of the radio resources between the first base station and a macro base station. Specifically, the present embodiment includes the following steps:

1101, the macro base station sends a mobility message to a coordinator change request via the first interface controller, a respective coordinated controller receives a mobility change request message sent by the macro base station via a first interface, the mobility change request message carries the selected small cell identifier identifying the coordination and control of the mobility change request message indicating the selected small cell for handover preparation;

1102, coordination controller via the first interface to the macro base station sends a mobility change response message, a corresponding macro base station in response to changes in the mobility message received by the controller to coordinate the transmission of the first interface, wherein the mobility change response message carries the selected and a controller identifier identifying the coordination of small cells.

Specifically, the macro base station when it is determined that a user equipment needs to handover to the small cell coordination controller management, the coordinator sends a mobility change request message via the first interface controller, a mobility change request message selected small cell identify a specific combination of identity is coordinated with the controller identifier of the small cell, the coordination controller receives a mobility change request message according to the message, determines that the small cell, the handover preparation time and the like, to prepare a small cell corresponding notification after the resources, if the small cell may provide the appropriate resources are ready the small cell, the macro base station sends a response to changes in the mobility message, informing the macro base station, selected small cell received ready to switch.

After the above-described step 1101, if the small cell does not provide the appropriate resources, execute step 1103 (not shown in FIG. 1103). 1103, a controller coordinating the movement to the macro base station sends a failure response message changes, the corresponding macro base station failure response message received by the mobile changes sent by the controller to coordinate the first interface, change in mobility failure response message carries the selected small small cell identifications and coordination controller cell, for indicating the selected due to resource constraints, and the like can not satisfy a mobility parameter change made the macro base station, e.g., macro base station switching time requirements, small cell resources can not meet the switching requirements needed resources.

13 radio resource management method flowchart twelve embodiment of the invention. In this embodiment, macro base station controller to coordinate the radio link failure message is transmitted via the first interface, such that the coordinated controller coordinates the use of the radio resources between the first base station and a macro base station. Specifically, the present embodiment includes the following steps:

1201, coordinated controller to the macro base station via the first interface transmits a radio link failure message, the corresponding macro base station via a first interface failure message received radio link sent by the controller to coordinate the radio link failure message instructs small cell It failed to establish a radio link serving the user equipment access to the macro base station, a radio link failure message carrying the coordination controller identification information and at least one of the following: ECGI small cell identity, PCI and small cell small cell .

Specifically, when the user equipment and services from a small cell to the macro base station handover failure, the coordination station controller via the first interface transmits a radio link failure message to the macro, the macro base station receives the radio link failure message, the resource adjustment , to minimize the interference to the user equipment, so that the user equipment accesses the macro base station. Wherein a serving cell for the user equipment may be referred to as a small small-cell failure, and combinations can be identified which identifies the small cell management coordination controller identified by the final identification of small cell, e.g., the small cell identification may fail physical cell identity for small cell (physical cell ID, PCI), the combination may be a combination of the PCI identifier identifying the coordination of the failure to identify a cell controller.

FIG 14 radio resource management method flow diagram XIII embodiment of the present invention. In this embodiment, macro base station controller to coordinate handover report is transmitted via a first interface, such that the coordinated controller coordinates the use of the radio resources between the first base station and a macro base station. Specifically, the present embodiment includes the following steps:

1301, coordination controller via the first interface to the macro base station transmits a first handover report, the corresponding macro base station a first handover report sent by the first coordination interface to receive the controller, a first switch report indicating that the user macro base station and services the reason for the failure to small-cell switching apparatus.

Specifically, when the user equipment and services by the macro base station in the small cell handover failure, the coordination controller via a first interface to a macro base station transmits a first handover report, instructing the user equipment to the macro base station service handover failure reason in the small cell.

The above-described step 1301, the macro base station serving the user equipment handover failure occurs in the small cell, the macro base station to inform the controller coordinating the handover failure reason. However, the present invention is not limited thereto, in other possible embodiments, the user equipment may be a small cell to the macro base station handover failure occurs, the macro base station to inform the handover failure reason coordination controller. Accordingly, an alternative, this embodiment may further comprise:

1302, the macro base station transmits a second handover report to the coordinator controller via the first interface, corresponding to coordinate the controller receives the second handover report sent by the macro base station via a first interface, a second handover report for the user to indicate a small cell and services failure Cause switching equipment to the macro base station, the report includes an identification of the second switching controller, and at least one of the coordination of the following information: an identifier of a small cell, PCI and the ECGI of the small cell small cell.

Specifically, when the user equipment and services from a small cell to the macro base station handover failure, the coordination controller receives the second handover report sent by the macro base station via a first interface, a second base station handover report indicating a first user equipment to the macro base station switching reason for the failure.

15 radio resource management method flow diagram XIV embodiment of the present invention. In this embodiment, the macro base station controller to coordinate the transmission pinion cell activation request message via the first interface, such that the coordinated controller coordinates the use of the radio resources between the first base station and a macro base station. Specifically, the present embodiment includes the following steps:

1401, a first small coordinating controller station transmits a request message to the macro cell activation via the first interface, the corresponding macro base station transmits a first message to small-cell activation request via the first interface controller coordination. Wherein a first small cell activation request message for activating the small cells indicates at least one coordination controller manages and services the first base station, the first small-cell activation request message carries the identifier of the controller as well as the coordination of at least the following information a: identifies small cells, ECGI of the small cell and small cell PCI. When the macro base station receives the first activation request message when a small cell, the small cell to be activated as an alternative to switch the small cell.

1402, the macro base station transmits a first small cell activation response message to the coordinator controller via the first interface, corresponding, coordinated controller receives macro base station transmits a first small cell activation response message via the first interface.

The above-described steps 1401, 1402, coordinated controller transmits a first message in response to activation of the small cell, the macro base station to inform the small cell which is activated, it can be used as an optional small cell handover. However, the present invention is not limited thereto, in other possible embodiments, may be macro base station transmits a second cell activation request message, to activate some small cell to the coordination controller. Accordingly, an alternative, this embodiment may further comprise the steps of:

1403, the macro base station transmits to the coordinator through the first interface controller of the second small cell activation request message, the corresponding coordination controller receives macro base station transmits a second small cell interface is activated by a first request message, the second small-cell activation request the message carries the identifier of small cells need to be activated, the identification of small cells need to be activated include coordination controller identifier and at least one of the following information: an identifier of a small cell, PCI and the ECGI of the small cell small cell.

1404, the controller coordinating the activation request message according to a second cell, activation of the small cell needs to be activated and a response message to the macro base station via the first interface transmits a second small cell is activated, the corresponding macro base station via a first interface to receive the controller coordination transmitting a second small cell activation response message.

FIG 16 radio resource management method flowchart fifteen embodiment of the invention. Differences of the above-described embodiment XIV of FIG. 15 in that embodiment, FIG. 15 for small-cell activation request is successful scenario, while the embodiment of the present embodiment is suitable for small-cell activation request failure scenarios. Specifically, the present embodiment includes the following steps: 1501, the first interface controller to coordinate the first station transmits the message to small-cell activation request by the macro, the corresponding macro base station via a first interface receiving a first small cell coordinated transmission controller activation request message. Wherein a first small cell activation request message for activating the small cells indicates at least one coordination controller manages and services the first base station, the first small-cell activation request message carries the identifier of the controller as well as the coordination of at least the following information a: small cell identity, PCI and the ECGI of the small cell small cell;

1052, the macro base station transmits a first small cell activation failure response message to the coordinator controller via the first interface, corresponding to coordinate activation failure response message to the controller via a first interface to a first small cell receiving the macro base station transmits;

The above-described steps 1501, 1502, coordinated controller transmits a first message in response to activation of the small cell, the macro base station to inform the small cell which is activated, it can be used as an optional small cell handover. However, the present invention is not limited thereto, in other possible embodiments, it may be macro base station transmits a second small cell activation request message, to activate some small cell to the coordination controller. Accordingly, an alternative, this embodiment may further comprise the steps of:

1503, the macro base station transmits to the coordinator through the first interface controller of the second small cell activation request message, the corresponding coordination controller receives macro base station transmits a second small cell interface is activated by a first request message, the second small-cell activation request message indicating a need for small cell is activated, a second small cell activation request message carries the identifier of the controller and at least one coordinate of the following information: an identifier of a small cell, PCI and the ECGI of the small cell small cell;

1504, the controller coordinating the activation request message according to a second small cell, need to be activated to activate the small cell, if not need to be activated to activate the small cell, the first interface controller coordinating station transmits a second small cell activation by the macro base failure response message, a corresponding macro base station activation failure response message via the first interface receiving a second small cell coordinated transmission controller.

Incidentally, the above-described various alternative embodiments, when it comes to the small cell, the small cell may use a combination of small cell identifier of the management and coordination controller identified by the identification of a small cell.

The above is how to coordinate communication with the macro base station controller to coordinate the use of the radio resources between the first base station and a macro base station, the following, a few possible embodiments described in detail how to coordinate the controller to communicate with the first base station using the radio resource coordination between the first base station.

Saving control command is transmitted through a second interface in the sixteen embodiment, the first base station controller to coordinate the radio resource management method according to the present invention, such coordinated controller coordinates the use of the radio resources between the first base station.

Specifically, the coordination controller transmits the power saving control command to each of the first base station a first cluster via the second interface, the power saving control command for instructing the first base station is turned on or off.

Accordingly, the energy transmitted from the first base station via a second interface to receive coordinated control commands, power saving control command for instructing the first base station is turned on or off.

Example XVII In the present invention the radio resource management method, the first base station controller to coordinate scheduling request is transmitted via the second interface, such that the coordinated controller coordinates the use of the radio resources between the first base station.

Specifically, the coordination controller transmits a first scheduling request to the at least one first base station of the first cluster via the second interface;

Accordingly, the first base station receives a first coordinated scheduling request sent by the controller through the second interface; or

A second base station transmits a first scheduling request to the coordinator through the second interface controller;

Accordingly, the second controller to coordinate scheduling request at least a second interface to a first base station receives a first base station cluster are transmitted. Example embodiments of the present invention the radio resource management method eighteen, the first base station controller to coordinate scheduling request is transmitted via the second interface, such that the coordinated controller coordinates the use of the radio resources between the first base station.

Specifically, the first base station using a first transmission resource information and / or the remaining information to the coordinator through the second interface resource controller;

Accordingly, the controller uses the coordinate information and / or residual information resource through the resource of the first base station of a second base station interface receives a first cluster of at least a first base station.

In the present embodiment a radio resource management method in the 19th invention, the first base station controller to coordinate transfer current load information through the second interface, such that the at least one coordinating controller coordinates using the radio resource between the first base station.

Specifically, the first base station sends information about the current load of the first base station controller through the second interface to the coordinator.

Accordingly, the coordination controller current load information of the first base station to a second base station interface receives a first cluster of at least a first base station.

Example embodiments of the present invention the radio resource management method, twenty, the first base station controller to coordinate transfer current load information through the second interface, such that the at least one coordinating controller coordinates using the radio resource between the first base station.

Specifically, the first base station transmits configuration information to a first base station controller via a second coordination interface configuration information includes at least one of the following parameters: bandwidth of the first base station, frequency, transmit power, antenna parameters, the position coordinates, physical cell identity and cell global identity.

Accordingly, the coordinate information of the first base station controller by configuring the second base station interface receives a first cluster of at least a first base station, the configuration information includes at least one of the following parameters: the bandwidth, the frequency of the first base station, transmission power, antenna parameters, the position coordinates, a physical cell identifier and a cell global identity.

In the embodiment twenty-one radio resource management method of the present invention, the first base station controller to coordinate configuration commands transmitted via the second interface, such that the coordinated controller coordinates the use of the radio resources between the first base station.

Specifically, the coordination controller through a second interface configured to transmit the at least one first base station a first command cluster configuration commands to configure the parameter indicative of a first base station, the parameters comprising at least one of the following: power parameter, frequency, transmission mode, and transmitting the common signaling mode. Accordingly, the coordination controller sends a configuration command to the at least one first base station of the first cluster via the second interface.

Example embodiments of the present invention the radio resource management method XXII, the first base station controller to coordinate transmission operating state information through the second interface, such that the at least one coordinating controller coordinates using the radio resource between the first base station.

Specifically, the first base station sends to the coordinator through the second interface controller operation state information of the first base station, the working status information comprises at least one of the following parameters: the access success rate of the user equipment to the first base station, the handover failure rate drop rate and the rate of radio link failure.

Accordingly, the coordination controller operating state information transmitted, operation state information of the second interface to the at least one first base station receives a first base station cluster comprises at least the following parameters: a first base station serving the access success rate of the user equipment , handover failure rate, call drop rate and the rate of radio link failure.

In the example twenty three in the radio resource management method of the present invention, the first base station controller to coordinate the second interface by transmitting a control command, such that the at least one coordinating controller coordinates using the radio resource between the first base station.

Specifically, the coordination controller transmits through the second interface to the at least one first base station cluster first control command, a control command for the user equipment indicated by the first base station is switched, so that the first base station coverage area a first switching device of the user.

Accordingly, the first base station receives a control command sent by the controller to coordinate through the second interface, according to the control switching command instructs the first base station coverage area within the user equipment.

Fourth Embodiment In the example twenty radio resource management method of the present invention, the first base station controller and a second coordination interface to transfer the access request message, such that the at least one coordinating controller coordinates using the radio resource between the first base station.

Specifically, the first base station controller to coordinate sending an access request message to the second interface; corresponding access coordination controller sends the first base station by at least a second base station interface receives a first request message cluster ;

Access coordination controller sends a response message via the second interface to the at least one first base station a first cluster;

Accordingly, the base station receives the first coordination response message sent by the access controller via the second interface. Example XXV embodiment of the present invention is a radio resource management method, the first base station controller to coordinate transmission of information through the second interface mode delivery schedule, such that the at least one coordinating controller coordinates using the radio resource between the first base station.

Specifically, the coordination information transmitted via the second interface controller to the at least one first base station cluster first scheduling mode transmission, transmission scheduling information mode comprises at least one of the following parameters: a first base station may use a user device uplink and downlink time slots, frequency resources available and the maximum transmit power.

Accordingly, the first base station receives the transmission mode controller coordinating the scheduling information is transmitted via the second interface.

Examples twenty-six embodiment of the present invention, radio resource management, the coordination controller interfaces with the first base station through a second transmission measurement report, such that the at least one coordinating controller coordinates using the radio resource between the first base station.

Specifically, the first base station controller sends a measurement report to the coordinator through the second interface;

Accordingly, the controller coordinating the measurement report at least one first base station transmits a second interface to receive a first base station cluster.

According to the second embodiment XVII radio resource management method of the present invention, the first base station controller and a second coordination interface to transmit power control information such that the at least one coordinating controller coordinates the use of resources between the radio base station through the first.

Specifically, the first base station controller receives a coordination cluster through a second interface power of at least one first base station transmits control information, power control information comprises at least one of the following parameters: cell stage power user equipment to the first base station control parameter, a power adjustment step size and power headroom.

Accordingly, a first base station transmission power control information to the coordinator through the second interface controller.

FIG 17 radio resource management method flowchart XXVIII embodiment of the present invention. Embodiment, the coordination between the first base station and the controller of the present embodiment is transmitted through the second interface interface setup request message to establish a second interface. Specifically, the present embodiment includes the following steps:

1601, coordination controller sends the first base station via a second interface to a second interface setup request message, a corresponding first base station interface setup request message via the second interface to receive a second coordinate sent by the controller, a second interface setup request message indicating a request to establish a second controller to coordinate the interface between the first base station.

1602, the first base station transmits a response message via the second interface to establish a second interface controller to coordinate, corresponding, coordinated control of the second interface to establish a second interface in response to receiving the first message sent by the base station. Specifically, the first base station after receiving the second interface setup setup request message, sending to the second interface controller to coordinate the first base station to carry a cell identifier (Cdl lD, PCI) and other information elements of a response message, to establish a first a second interface between a base station.

The above-described steps 1601, 1602, a second coordination interface setup request is initiated by the controller, however, the present invention is not limited thereto, in other possible embodiments, the optional second interface setup request message can also be made initiating a first base station, particularly, see the steps 1603, 1604.

1603, the first base station transmits via the second interface controller to the second coordination interface setup request message, the corresponding coordination request message to the controller through the second interface to establish a second interface to receive a first base station, a second interface setup request message indicating that the first base station requests the establishment of a second interface between the controller and coordination.

Specifically, the first base station cell identification information of the other (Cell ID, CID) and other elements to carry the coordination controller transmits establishment request message at the second interface, the coordination controller receives the cell carries the identifier of the second interface of the first base station setup request message.

1604, the coordination controller sends a response message via the second interface to establish a first interface to a second base station, a corresponding first base station through a second interface to establish a second coordination interface receives a response message sent by a controller.

Incidentally, the above-described step 1602, when the second interface establishment fails, the base station sends a first controller instructs the second interface of the second coordination interface establish failure response message setup failure; or the above-described step 1604, when the first second interface establishment fails, to coordinate the controller sends an indication to the first base station fails to establish a second interface to a second interface establish failure response message.

Further, should also be noted that the above-described step 1602, after the failure to establish a second interface, such as an X2 interface establishment fails after the re-establishment of an X2 interface, as the coordination controller may also send a first base station to a second interface reestablishment request message the first base station transmits a second interface controller to the coordination response message is reconstructed to re-establish a second interface.

FIG 18 is a schematic diagram of the invention a coordinated control of the embodiment. Coordination of the present embodiment is provided in the controller, which may be implemented to coordinate various steps of the method applied to the controller according to an embodiment of the present invention in any. Specifically, the controller 100 of the present embodiment coordination Specific examples include:

A first establishing module 11, for establishing a first interface between the macro base station;

A first communication module 12, the macro base station through the first interface for communicating with the macro base station used to coordinate radio resources between the first base station; and / or a second establishing module 21, the first base station for establishing a first two interfaces;

The second communication module 22, in communication with the base station using a first radio resource coordination between the other first base station and the first base at least one first base station through a second interface.

Coordination controller according to an embodiment of the present invention, the coordination controller in communication with the macro base station via a radio resource coordination between the macro base station and each of the first base station using the first interface, the second interface controller to coordinate with the first base station communicate using the radio resource coordination between the respective first base station, so that the performance of radio resource management algorithm greatly enhanced, between the first base station to achieve efficient radio resource management between a first base station and a macro base station. In the present embodiment, since the radio resource management performed by the coordinated controller, therefore, have been laid in the case of the macro base station and get ready to lay a large number of the first base station, to avoid the macro base station has been laid upgrade difficult.

Alternatively, the first communication module 12 configured to:

A first transmission station via a first interface to a macro load information, the load information includes a first current load information of the first base station; and / or,

The first interface receives the macro base station via a second load information transmitted, the second load information comprises a load information of the current macro base station.

Alternatively, current load information of the first base station, comprising:

The total current load information of the at least one first base station managed by the coordinator controller.

Alternatively, the first communication module 12 configured to:

Via a first interface to a macro base station transmits a first handover request message, the handover request message to the first user device indicated by the first base station to be switched to the macro base station; or

A second switch receiving the macro base station transmits request information via the first interface, the second handover request message for the user equipment and services is indicated by the macro base station to be switched to the first base station.

Alternatively, the first handover request message includes an identifier identifying the coordination controller, and the first base station. Alternatively, the first communication module 12 configured to:

A first interface to send to the macro base station via a first interface setup request message, the first interface setup request message for instructing the controller to coordinate requests to establish a first interface between the macro base station, the first coordination interface setup request message includes a controller and identifying at least one of the following information: an identifier of a small cell, the physical cell identity (PCI) and small cell cell global identifier (ECGI) of the small cell;

A first interface to establish a first interface to receive via the macro base station transmits a response message; or receive the first interface setup request message transmitted from the macro base station via a first interface, the first interface setup request message is used to instruct the base station controller requests to establish coordination and a first interface between the first interface setup request message includes identification information coordinated controller, and at least one of the following: identification of the small cell, the physical cell identity (PCI) and small cell cell global identifier (ECGI) of the small cell;

Send to the macro base station via a first interface of the first interface setup response message.

Alternatively, the first communication module 12 configured to:

Sends a configuration update message to the macro base station via the first interface, the at least one configuration update information includes an identifier and a controller coordinating the following information: an identifier of a small cell, a physical cell identity PCI small cell and small cell Cell Global Identity ECGI, update the configuration information indicates the first base station configuration.

Alternatively, the first communication module 12 configured to:

Transmitting a first request message interface station to the macro base by a first resource state, a first request message for instructing the resource status acquiring a macro base station of a macro base station of the current resource status information;

By receiving a first resource in response to the state of the macro base station transmits a first interface message, a first resource status response message carries the current macro base station resource status information; or

Receiving a second resource request message sent by the macro base station a first state of the interface, the request message to obtain the current status information of the at least one first resource according to a second base station resource state;

Sending a second resource response message to the macro base station status of the first interface and the second resource status response message carries information of the current resource status of at least one first base station.

Alternatively, the second resource response message carries at least the current status of a resource status information of the first base station, comprising:

Second resource status response message comprises a list identifying at least a first base station and the resource state information identifying at least a first base station corresponding.

Alternatively, the first communication module 12 configured to:

Transmitting a first request message interface station to the macro base by a first resource state, a first request message for instructing the resource status acquiring a macro base station of a macro base station of the current resource status information;

Receiving a first resource status by the macro base station transmits a first interface failure response message, the first response message indicates failed resource status threshold macro base station currently available amount of resources equal to or less than the set; or,

Receiving a second resource state of the macro base station transmits the request message via the first interface, the controller coordination request message to obtain the current status information of the resource of the first base station in accordance with a second resource state; failure response to the macro base station via the first interface transmits a second resource state message, the second resource status indicating failure response message to the first base station is not currently resources available for measurement.

Alternatively, the first communication module 12 configured to:

Via a first interface to a macro base station transmits the resource status update information, update the resource status information includes resource state information of the first base station updates.

Alternatively, update the resource status information comprises at least one of:

Small projects cell resources, resource items including small cell and small cell coordination controller identifier identifying the controller coordinate list corresponding to the identifier, project and resource list identifying small cell small cell corresponding to the identifier;

Hardware load information, the load information includes a hardware identification and a controller coordinating small cell identifier and the controller identifier corresponding to the coordinate, and hardware load indicating small cell corresponding to the identifier;

Radio resource status information, the status information includes radio resource coordination and small cell identifier identifying the controller and the controller identifier corresponding to the coordinate, and a radio resource state of the small cell corresponding to the identifier; at least a first base station controller to coordinate the management and services small cell total available capacity;

ABS state almost blank subframe small cell at least one first base station controller to coordinate the management and services. .

Alternatively, the first communication module 12 configured to:

Mobility changes received macro base station transmits a request message via the first interface, the mobility change request message carries the identifier identifies the selected small cell and the coordination controller, a mobility change request message indicating the selected small cell for handover ready.

Message via the first interface in response to the macro base station sends a mobility changes, changes in mobility and coordination controller identifications response message carrying the selected small cell.

Alternatively, the first communication module 12 configured to:

Mobility changes received macro base station transmits a request message via the first interface, the mobility change request message carries the identifier of the selected identifier and the coordination controller small cells, a mobility change request message indicating the selected small cell for handover ready;

Via a first interface to a macro base station transmits the mobility change failure response message, the mobility change and coordinate identifications failure response message carrying the selected controller small cells.

Alternatively, the first communication module 12: a first interface failure message to the macro base station sends a radio link, a radio link failure message is used to indicate a small cell and services to the user equipment establishes a macro base station when the access radio link failure, radio link failure message carrying the identifier of the coordination controller and at least one of the following information: an identifier of a small cell, PCI and the ECGI of the small cell small cell.

Alternatively, the first communication module 12 configured to:

A first switch via the first interface transmits a report to the macro base station, a first handover report to the macro base station instructing the user equipment and services cause of the failure is switched to a first base station; or

Receiving a second handover report by macro base station transmits a first interface, a second reason for the handover report indicating a user equipment a first base station to the macro base station handover failure, the report includes an identification of the second switching controller, and coordination of the following information at least one of: cell identity, PCI and the ECGI of the small cell small cell.

Alternatively, the first communication module 12 configured to:

The first interface transmits a first small cell to the macro base station via the activation request message, the first small-cell activation request message for activating the small cells indicates at least one coordination controller manages and services the first base station, the first small-cell activation request message carries identification coordination controller and at least one of the following information: an identifier of a small cell, PCI and the ECGI of the small cell small cell;

A first interface to a first small cell by the macro base station receives the message transmitted in response to activation; or receiving a second small cell macro base station transmits the activation request message via the first interface, a second small cell activation request message carries the small cells need to be activated identifier identifies small cells need to be activated include coordination controller identifier and at least one of the following information: an identifier of a small cell, PCI and the ECGI of the small cell small cell;

According to a second small cell activation request message needs to be activated to activate the small cell, the macro base station and transmitting a second small cell activation response message via the first interface.

Alternatively, the first communication module 12 configured to:

The first interface transmits a first small cell to the macro base station via the activation request message, the first small-cell activation request message for instructing the controller to coordinate the management of at least one active base station of the small cell and services, a first small cell activation request message carries identify the coordinator and at least one controller of the following information: an identifier of a small cell, PCI and the ECGI of the small cell small cell;

Transmitting and receiving the macro base station via a first interface of the first small-cell activation failure response message; alternatively, receiving the macro base station via the first interface transmits a second small cell activation request message, the second small-cell activation request message indicating a need to be activated small cell, the second small cell activation request message carries the identifier of the controller and at least one coordinate of the following information: an identifier of a small cell, PCI and the ECGI of the small cell small cell;

By a first macro base station transmits to the second small cell activation failure response message.

Alternatively, the second communication module 22:

Via the second interface to the first base station transmits energy of a first base station cluster control commands, power saving control command for turning on or off the first base station.

Alternatively, the second communication module 22:

A first base station transmits to the first scheduling request through the second interface; or

Receiving a second scheduling base station transmits a first request via the second interface.

Alternatively, the second communication module 22:

Receiving a first resource of the first base station is transmitted by a second base station interface information and / or residual information resources.

Alternatively, the second communication module 22:

Receiving a first base station transmits a first base station through a second interface current load information.

Alternatively, the second communication module 22:

The bandwidth of the first base station, frequency, transmit power, antenna parameters, the position coordinates, a physical cell identity and the cell: a second interface receives configuration information of the first base station to the first base station transmits the configuration information comprises at least one of the following parameters by global identity.

Alternatively, the second communication module 22:

A second interface configured to transmit via a first base station commands, configuration commands to configure the parameter indicative of a first base station, the parameters comprising at least one of the following: power parameters, frequency, transmit mode, and transmitting the common signaling mode.

Alternatively, the second communication module 22:

Receiving a first base station via the second interface operating state information, the operating state information includes at least one of the following parameters: the access success rate of the user equipment to the first base station, handover failure rate, a radio link failure and call drop rate rate.

Alternatively, the second communication module 22:

Sending a control command to the first base station through a second interface, a control command for instructing the first base station handover of user equipment. Alternatively, the second communication module 22:

Access transmitted through the second base station interface receives a first request message;

The base station transmits a first response message to the access via the second interface.

Alternatively, the second communication module 22:

Communicates via a second interface to a base station transmits a first scheduling mode, transmitting the scheduling information mode comprises at least one of the following parameters: uplink-downlink user equipment first base station may be used, and the frequency resources usable maximum transmission power.

Alternatively, the second communication module 22:

Receive a measurement report transmitted from the first base station via the second interface.

Alternatively, the second communication module 22:

The power transmitted by a second base station interface receives a first control information, power control information comprises at least one of the following parameters: cell stage power user equipment to the first base station control parameters, the power adjustment step size and power headroom.

Macro base station 19 of the present invention, FIG schematic diagram of a configuration of the embodiment. Macro base station provided in this embodiment, which may be implemented steps of the method applied to the macro base station according to an embodiment of the present invention in any. Specifically, the present embodiment provides a macro base station 200 comprises:

The third module 31 to establish, build and coordination between the controllers for the first interface, the coordination controller managing at least one first base station, the first base station for a small cell service;

A third communication module 32, via a first interface controller for communicating with the coordination such coordinated controller coordinates the macro base station using the radio resources between the first base station.

Example embodiments provide a macro base station of the present invention, the macro base station via a first communication interface controller in coordination with such coordinated controller coordinates the macro base station using the radio resources between the first base station.

Optionally, a third communication module 32 configured to:

A first load through the first interface receiving the coordination information sent by the controller, a first current load information comprises a load information of the first base station; and / or,

Transmitting load information to the second controller via the first interface coordinate, the second load information comprises a load information of the current macro base station.

Alternatively, current load information of the first base station, comprising:

The total current load information of the at least one first base station managed by the coordinator controller.

Optionally, a third communication module 32 for: receiving a first handover request message coordination sent by the controller via a first interface, a first handover request message for the user equipment indicated by the first base station needs to handover to the macro base station; or,

Via a first interface to a macro base station transmits a second handover request message, the second handover request message for instructing the user equipment and services need to switch the macro base station to the first base station.

Alternatively, the first handover request message includes an identifier identifying the coordination controller, and the first base station. Optionally, a third communication module 32 configured to:

Request message through a first interface receiving a first coordination interface establishment sent by the controller, a first interface setup request message for instructing the controller to coordinate requests to establish a first interface between the macro base station, the first coordination interface setup request message comprises control identifier and at least one of the following information: identification of the small cell, the physical cell identity PCI small cell and small cell global identifier the ECGI of the cell; transmitting a first coordination interface establish response message to the controller via the first interface.

Optionally, a third communication module 32 configured to:

The first interface is configured by the update information sent by a controller to coordinate, update the configuration information includes an identifier and at least one coordination controller of the following information: an identifier of a small cell, PCI ECGI small cell and small cell, configuration update information indicating the configuration of the small cell.

Optionally, a third communication module 32 configured to:

Request message is received via the first interface of the first resource sent by the controller to coordinate state in accordance with a first resource request information to obtain the current state of the resource status information of the macro base station transmits a first response message to the resource status coordination controller via the first interface, the first a resource status response message carries the current macro base station resource status information; or

Sending a request message via the first interface to the second resource coordination state controller, the second resource status request message is used to instruct the controller to coordinate resource state according to a second request message to obtain the current status information of the resource at least one first base station in response to receiving the second message via the first interface state resource, the second resource status response message carries at least a first base station of the current resource status information.

Optionally, a third communication module 32 configured to:

Second resource status response message comprises a list identifying at least a first base station and the resource state information identifying at least a first base station corresponding.

Optionally, a third communication module 32 configured to:

Receiving a first resource coordination state sent by the controller via a first interface request message, the macro base station information acquisition request to the current resource status information, transmitting a first state to coordinate resource controller via a first interface failure response message according to a first resource status, a first response message indicates failed resource status macro base station currently available amount of resources is less than or equal to the set threshold; or

Sending a request message via the first interface to the second resource coordination state controller, the second resource status request message is used to instruct the controller coordination request message to obtain the current status information of the resource of the first base station resources according to a second state, the first interface receives the coordination controller sends a second resource state failure response message, the second resource status indicating failure response message to the first base station is not currently resources available for measurement.

Optionally, a third communication module 32 configured to:

Update the resource status information sent by the controller receiving a first coordination interface resource status update information includes resource state information of the first base station updates.

Alternatively, update the resource status information comprises at least one of:

Small projects cell resources, resource items including small cell and small cell coordination controller identifier identifying the controller coordinate list corresponding to the identifier, project and resource list identifying small cell small cell corresponding to the identifier;

Hardware load information, the load information includes a hardware identification and a controller coordinating small cell identifier and the controller identifier corresponding to the coordinate, and hardware load indicating small cell corresponding to the identifier;

Radio resource status information, the status information includes radio resource coordination and small cell identifier identifying the controller and the controller identifier corresponding to the coordinate, and a radio resource state of the small cell corresponding to the identifier; at least a first base station controller to coordinate the management and services small cell total available capacity;

ABS state almost blank subframe small cell at least one first base station controller to coordinate the management and services.

Optionally, a third communication module 32 configured to:

Mobility change request message transmitted to the first interface controller to coordinate the mobility change request message carries the identifier identifies the selected small cell and the coordination controller, a mobility change request message indicating the selected small cell for handover ready;

Change response message received by the mobility controller sends a first coordination interface in response to changes in mobility and coordination controller identifications message carrying the selected small cells.

Optionally, a third communication module 32 configured to:

Mobility change request message transmitted to the first interface controller to coordinate the mobility change request message carries the identifier of the selected identifier and the coordination controller small cells, a mobility change request message indicating the selected small cell for handover ready;

By moving coordinate change in received first interface controller sends a failure response message, the mobility change and coordinate identifications failure response message carrying the selected controller small cells.

Optionally, a third communication module 32 configured to:

Message, a radio link failure message indicating a radio link when the small-cell service user equipment access to the macro base station to establish a radio link failure by coordinated controller interface receives the first transmission fails, radio link failure message carrying the coordinated control identifier and at least one of the following information: an identifier of a small cell, PCI and the ECGI of the small cell small cell.

Optionally, a third communication module 32 configured to:

Receiving a first coordinate through a first interface handover report sent by the controller, a first switch for instructing the user equipment reports the macro base station serving the cause of the failure is switched to a small cell; or

Transmitting to the coordinator through the first interface controller of the second handover report, reports a second switch for instructing the user equipment and services small cell handover failure reason to the macro base station, the report includes an identification of the second switching controller, and the coordination of the following information at least one of: identifying small cell, PCI and the ECGI of the small cell small cell.

Optionally, a third communication module 32 configured to:

A first interface receiving a first small cell coordinated activation request message sent by the controller, a first small cell activation request message for activating the small cells indicates at least one coordination controller manages and services the first base station, a first small cell coordinated activation request message carries the identifier of the controller, and at least one of the following information: ECGI small cell identity, PCI and small cell small cell; activated in response to the macro base station via the first interface transmits a first small cell to a coordinator controller message; or

Transmitting via the first interface to the second small cell controller coordinating the activation request message, the second small-cell activation request message carries the identifier of small cells need to be activated, the identification of small cells need to be activated include the identification and coordination controller at least one of said information: identifying small cell, PCI small cell small cell and the ECGI, so that coordinated control of the activation request message according to a second small cell, activation requires a first base station is activated.

Optionally, a third communication module 32 configured to:

A first interface receiving a first small cell coordinated activation request message sent by the controller, a first small cell activation request message for activating the small cells indicates at least one coordination controller manages and services the first base station, a first small cell coordinated activation request message carries the identifier of the controller and at least one of the following information: an identifier of a small cell, PCI and the ECGI of the small cell small cell;

Transmitting to the coordinator through the first interface controller of the first small-cell activation failure response message; or send a second message to small-cell activation request via the first interface controller to coordinate, a second small cell activation request message indicating a need to be activated small cell, the second small cell activation request message carries the identifier of the controller and at least one coordinate of the following information: an identifier of a small cell, PCI and the ECGI of the small cell small cell;

Coordination received via the first interface controller sends a second small cell activation failure response message. FIG 20 a schematic structural diagram of a first base station of the embodiment of the present invention. The first base station according to this embodiment, which may be implemented steps of the method applied to the first base station according to an embodiment of the present invention in any. Specifically, in this particular embodiment the first base station 300 cases include:

Establishing a fourth module 41, for establishing a second interface between the controller and coordination;

Fourth communication module 42, a second interface controller coordinating communications through the coordinating controller managing at least one first base station to the first base station serving a small cell, such that coordinated control of coordinating the using at least one of a base station and the other radio resources between the first base station the first base station.

The first base station according to an embodiment of the present invention, the first base station through a second interface controller coordinating communications, such coordinated controller coordinates the use of the radio resources between the first base station.

Optionally, a fourth communication module 42:

Energy transmitted through the interface to receive a second coordination control commands, power saving control command for turning on or off the first base station.

Optionally, a fourth communication module 42:

Receiving a first coordinate scheduling request sent by the controller through the second interface; or

Transmitting a second scheduling request to the coordinator through the second interface controller.

Optionally, a fourth communication module 42:

Usage information and the remaining information / resource or resources of the first transmission via the second interface to the base station controller coordination.

Optionally, a fourth communication module 42:

Current load information of the first base station transmits to the coordination controller through the second interface.

Optionally, a fourth communication module 42: a first base station to transmit location information to the coordinator controller through the second interface, configuration information comprises at least one of the following parameters: the bandwidth, the frequency of the first base station transmission power, antenna parameters, the position coordinates, a physical cell identifier, the cell global identity.

Optionally, a fourth communication module 42:

Receiving a configuration command sent by the controller coordinating via a second interface configured to command the configuration parameters indicative of the first base station, the parameters comprising at least one of: a transmit power parameter mode, frequency, transmit mode, and a common signaling .

Optionally, a fourth communication module 42:

Transmitting a first base station through a second interface to a controller coordinating operation state information, operation state information comprises at least one of the following parameters: the access success rate of the user equipment to the first base station, handover failure rate, call drop rate and radio link failure rate.

Optionally, a fourth communication module 42:

Receiving coordination control command sent by the controller through the second interface;

The switching device control command indicating a first user station and services.

Optionally, a fourth communication module 42:

Access coordinator sends a request message via the second interface controller;

Receiving coordinate access response message sent by the controller through the second interface.

Optionally, a fourth communication module 42:

The scheduling information transmitted via the second interface mode, the controller receives coordinated transmission, the scheduling information mode comprises at least one of the following transmission parameters: the uplink and downlink time slots can be used by the user equipment to the first base station, a frequency resource can be used and the maximum It transmits power.

Optionally, a fourth communication module 42:

Controller sends a measurement report to the coordinator through the second interface.

Optionally, a fourth communication module 42:

Transmission power control information, power control information comprises at least one of the following parameters to the coordinated controller through the second interface: cell stage power user equipment to the first base station control parameter, a power adjustment step size, and power headroom.

FIG 21 a schematic view of coordinated control of the present invention according to a second embodiment, in this embodiment, the coordination controller managing at least one first base station, a first serving base station for a small cell. As shown in FIG 21, the coordination controller 400 provided in this embodiment includes a processor 51 and a transceiver 52. The processor 51 for establishing an interface between a first and a macro base station;

Transceiver 52 via a first interface for communicating with the macro base station to coordinate the macro base station using the radio resources between the first base station; and / or,

A second processor 51 for establishing an interface between the first base station;

Transceiver 52 for communication via a second interface of the first base station and the first base station uses to coordinate and the other first radio resources between the at least one first base station in the base station.

Coordination of the present embodiment is provided in the controller, which may be implemented to coordinate various steps of the method applied to the controller according to an embodiment of the present invention, any of its principles and techniques to achieve a similar effect, are not repeated herein.

FIG 22 a schematic view of a macro base station configuration of the present invention according to a second embodiment. 22, the present embodiment is provided in the macro base station 500 includes a processor 61 and a transceiver 62;

A first processor 61 for establishing an interface between the controller and coordination, coordination controller managing at least one first base station, a first serving base station for a small cell;

The transceiver 62 via a first interface controller for communicating with the coordination such coordinated controller coordinates the macro base station using the radio resources between the first base station.

Macro base station provided in this embodiment, which can be applied to realize the method steps of each macro base station provided in any embodiment of the present invention, its principles and achieve a similar technical effect, are not repeated herein.

FIG 23 a schematic view of a first base station structure according to the second embodiment of the invention, in this embodiment, the coordination controller managing at least one first base station, a first serving base station for a small cell. 23, the present embodiment provides a first embodiment of a base station 600 includes a processor 71 and a transceiver 72;

A second processor 71 for establishing an interface between the controller and coordination, the coordination controller manages at least one of said first base station to the first base station serving a small cell;

A second transceiver interface controller 72 for coordinating communications through such coordinated controller coordinates the use of the radio resources between the first base station and at least one other first base station of a first base station.

The first base station according to this embodiment, which may be implemented steps of the method of the present invention is applied to the first base station according to any of the embodiments, principles and techniques which achieve a similar effect, are not repeated herein.

Those of ordinary skill in the art will be understood: the hardware implementing the above method to complete all or part of the steps associated with embodiments may be implemented by program instructions, the program may be stored in a computer readable storage medium, the program, when executed, performs comprising the steps of the method embodiments described above; and the storage medium comprising: a variety of medium ROM, RAM, magnetic disk, or an optical disc capable of storing program code. Finally, it should be noted that: the above embodiments only describe the technical solutions in embodiments of the present invention, rather than limiting;. Although the embodiments of the present invention has been described in detail, those of ordinary skill in the art should be understood: its still may be made to the technical solutions described embodiments modifications, or to some or all of the technical features equivalents; as such modifications or replacements do not cause the essence of corresponding technical solutions to depart from the respective embodiments of the technical solutions of the present invention range.

Claims

Claims
A radio resource management method, wherein the at least one first coordination base station controller manages the first base station serving a small cell, the method comprising: a macro base station controller and coordination between establishing a first interface;
The coordination controller through the first interface in communication with the macro base station to coordinate the macro base station and a radio resource used between the first base station; and / or,
The coordination between the first base station controller and establish a second interface;
The coordination controller through the second interface of the first base station to coordinate communication with the first base station using the at least one other radio resources between the first base station the first base station.
2. The method of claim 1, wherein the coordinating controller through the first interface communicating with the macro base station, comprising:
The coordination controller through the first interface to the macro base station transmits information of a first load, the first load information comprises a load information of the current first base station; and / or,
The coordination controller through the first interface receiving the second load information transmitted by the macro base station, the second load information comprises a load information of the current macro base station.
3. The method according to claim 2, wherein,
The current load information of the first base station, comprising:
The total current load information of the at least one first base station is coordinated by the controller management.
4. The method according to any one of claims 1 to 3, wherein the coordinating controller through the first interface communicating with the macro base station, comprising:
The coordination controller through the first interface to the macro base station transmits a first handover request message, the first handover request message for instructing the first base station by a user equipment needs to handover to the macro base station ; or,
Coordinating the second controller through the first interface receiving the macro base station transmits the switching request information, the second information indicating the handover request by the macro base station serving the user equipment to the first base station requires switch.
5. The method as claimed in claim 4, wherein,
The handover request message includes the first identifier identifying the coordination controller, and the first base station.
6. The method according to any one of claims 1 to 5, wherein the coordinating controller through the first interface communicating with the macro base station, comprising:
The coordination controller through the first interface to the macro base station transmits a first interface setup request message, the first interface setup request message used to instruct the request to establish coordination between the controller and the macro base station the first interface, the first interface establishment request message comprises an identification of the coordinated controller and at least one of the following information: the identification of a small cell, the physical cell identity (PCI) and the small cell small cell cell global identifier ECGI;
The coordination controller through the first interface receiving said first interface establishing macro base station transmits a response message.
7. The method according to any one of claims 1 to 6, wherein the coordinating controller through the first interface communicating with the macro base station, comprising:
The coordination controller through the first interface to the macro base station sends a configuration update information, update the configuration information includes identification of the coordinated controller, and at least one of the following information: the identification of small cell the PCI and small cell ECGI of the small cell, the configuration information is updated to indicate the configuration of the small cell.
8. The method according to any one of claims 1 to 7, wherein the coordinating controller through the first interface communicating with the macro base station, comprising:
The coordination controller to the macro base station transmits a first resource status request message through the first interface, the first indicating the resource status request message to the macro base station acquires the current macro base station resource status information;
The coordination controller through the first interface receiving the macro base station transmits a first resource status response message, the first response message carries the resource state of the current macro base station resource status information; or
The coordination controller through the first interface receiving the second resource status request message sent by the macro base station, said controller coordinating the current resource request message according to the resource status acquiring a second of said at least one first base station status information, said controller coordinating station transmits a second resource response message to the macro state through the first interface, the second resource response message carries the current state of the resource status information of the at least one first base station.
9. The method according to claim 8, characterized in that,
The second resource response message carries the current state of the resource status information of the at least one first base station, comprising: the second resource status response message comprises a list identifying at least one first base station and said at least one first resource state information identifying a base station corresponding to.
10. The method according to any one of claims 1 to 9, wherein the coordinating controller through the first interface communicating with the macro base station, comprising:
The coordination controller through the first interface request message to the macro base station transmits a first state resource, the first resource status request message is used to instruct the macro base station to acquire the macro base station of the current resource status information, the coordination controller through the first interface receiving the macro base station transmits a first resource status failure response message, the first response message indicates failed resource status to the macro base station currently available amount of resources utilized less than or equal provided predetermined threshold value; or
The coordination controller through the first interface receiving the second resource status request message sent by the macro base station, said coordination information request message controller acquires the current resource state of the resource of the first base station according to the second state , the coordinator station through the first interface controller sending a second resource response message to the failed state macro, the second resource status indicating failure response message for the first base station is not currently available for the measurement resources.
11. The method according to any one of claims 1 to 10, wherein the coordinating controller through the first interface communicating with the macro base station, comprising:
The coordination controller through the first interface to the macro base station transmits the resource status update information, the update information including the resource status information of the first base station resource status update.
12. The method of claim 11, wherein,
Update the resource status information comprises at least one of:
Small cell resources project, the project comprises resource coordination small cell and small cell controller identifier identifying the coordination controller list corresponding to the identifier, and the resource projects small cell small cell identification list corresponding to the identifier;
Hardware load information, the load information includes a hardware identification and a controller coordinating small cell controller identifier corresponding to the identifier of the coordination, and the small cell corresponding to the identifier indicating the hardware load; status information of the radio resource, the radio resource status information includes a controller identifier and the small-cell coordination with the coordinating controller identifier corresponding to the identifier, and the small-cell identifier corresponding to a radio resource state;
ABS state almost blank subframe small cell small cell total available at least a first base station controller to coordinate the management of the service controller manages the coordination of the at least one first base station and services.
13. The method according to any one of claims 1 to 12, wherein the coordinating controller through the first interface communicating with the macro base station, comprising:
The coordination controller through the first interface receiving the mobility change request message sent by the macro base station, the mobility change request message identifies the selected small cell identification and the coordination controller, the mobility change request message for indicating the selected small cell handover preparation;
The coordination controller through the first interface to the macro base station sends a mobility message in response to changes in the mobility change response message carries the identifier of the selected small cell identification and the coordination controller.
14. The method according to any one of claims 1 to 13, wherein the coordinating controller through the first interface communicating with the macro base station, comprising:
The coordination controller through the first interface receiving the mobility change request message sent by the macro base station, the mobility change request message identifies the selected small cell and the coordination controller identified, the mobility change request message for indicating the selected small cell handover preparation;
The coordination controller through the first interface to the macro base station sends a mobility change failure response message, the mobility change identifications failure response message carrying the selected small cell and the coordination controller .
15. The method according to any one of claims 1 to 14, wherein the coordinating controller through the first interface communicating with the macro base station, comprising:
The coordination controller sends a radio link failure message via the first interface to the macro base station, the radio link failure message is used to instruct the user equipment to the small cell to the macro base station services wireless access link setup failure, the radio link failure message carries the identifier of the controller and coordinating at least one of the following information: identity of the small cell, the ECGI of the small cell and the PCI of the small cell.
16. The method according to any one of claims 1 to 15, wherein the coordinating controller through the first interface communicating with the macro base station, comprising:
The coordination controller through the first interface to the macro base station transmits a first handover report, the first reason for the handover report indicating the user equipment to the macro base station serving a small cell of the handover failure; or ,
Coordinating the second controller receives a handover report sent by the macro base station via the first interface, the second handover report used to instruct the user equipment served by the small cell to the macro base station handover failure reason, report comprising the second switching controller, and the coordination of identification information of at least one of the following: ECGI identifying the small cell, the small cell and the PCI of the small cell.
17. The method according to any one of claims 1 to 16, wherein the coordinating controller through the first interface communicating with the macro base station, comprising:
The coordination controller through the first interface to the macro base station transmits a first small cell activation request message, the first small-cell activation request message for instructing the at least one first base station controller to coordinate the management activated serving small cell, the first small-cell activation request message carries the identifier of the controller and coordinating at least one of the following information: the identification of a small cell, the small cell and the PCI of the small ECGI of the cell;
The coordination controller through the first interface receiving the macro base station transmits a first small-cell activation response message; or
The coordination controller through the first interface receiving the macro base station transmits a second small cell activation request message, the second small-cell activation request message carries the identifier of small cells need to be activated, which needs to be activated small cell comprises identification identifying the coordination controller, and at least one of the following information: identity of the small cell, the PCI of the small cell and small cell ECGI; controller according to the coordinator said second small cell activation request message needs to be activated to activate the small cell, and through the first interface to the macro base station transmits a second small cell activation response message.
18. The method according to any one of claims 1 to 17, wherein the coordinating controller through the first interface communicating with the macro base station, comprising:
The coordination controller through the first interface to the macro base station transmits a first small cell activation request message, the first small-cell activation request message for instructing the at least one first base station controller to coordinate the management activated serving small cell, the first small-cell activation request message carries the identifier of the controller and coordinating at least one of the following information: the identification of a small cell, the small cell and the PCI of the small ECGI of the cell;
The coordination controller through the first interface receiving the macro base station transmits a first small-cell activation failure response message; or
The coordination controller through the first interface receiving the macro base station transmits a second small cell activation request message, the second small-cell activation request message indicating a need for small cell is activated, the second small cell activation request message carries the identifier of the controller and coordinating at least one of the following information: the identification of a small cell, the small cell and the PCI ECGI of the small-cell; said controller coordinating the first access to the macro base station sends second small cell activation failure response message.
19. The method of claim 1, wherein the coordinating controller through the second interface communicating with the first base station, comprising:
The coordination controller transmits the power saving control command to the first base station via said second interface, the power saving control command for instructing the first base station is turned on or off.
20. The method of claim 1 or claim 19, wherein the coordinating controller through the second interface communicating with the first base station, comprising:
The coordination controller through the second interface transmits a first scheduling request to the first base station; or
The second coordinating scheduling request sent by the controller via the first base station receiving the second interface.
21. The method of claim 1, claim 19 or claim 20, wherein the coordinating controller through the second interface communicating with the first base station, comprising:
Coordinating the resource controller sends the first base station by the second base station receiving the first interface information and / or residual information resources.
22, according to claim 1, the method according to any one of claims 19 to 21, wherein the coordinating controller through the second interface communicating with the first base station, comprising:
The coordination of the current load information of the first base station controller sends the first base station by receiving the second interface.
23, according to claim, a method according to any one of claims 19 to 22, wherein the coordinating controller through the second interface communicating with the first base station, comprising:
The coordination controller receives configuration information of the first base station a first transmitted through the second interface, the configuration information includes at least one of the following parameters: the bandwidth of the first base station, frequency , transmit power, antenna parameters, the position coordinates, a physical cell identifier and a cell global identity.
24, according to claim 1, the method according to any one of claims 19 to 23, wherein the coordinating controller through the second interface communicating with the first base station, comprising:
The coordination controller through the second interface transmits a configuration command to the first base station, the configuration command is used to configure the parameters indicative of the first base station, said parameters comprising at least one of: power parameter , frequency, transmit mode, and transmitting the common signaling mode.
25. The method of claim any one of claims 1, 19 to 24, wherein the coordinating controller through the second interface communicating with the first base station, comprising:
The coordination controller operation state information of the second interface to receive the first base station, the working status information comprises at least one of the following parameters: the first base station serving the user equipment in an access success rate , handover failure rate, call drop rate and the rate of radio link failure.
26, according to claim, a method according to any one of claims 19 to 25, wherein the coordinating controller through the second interface communicating with the first base station, comprising:
The coordinated controller transmits a control command to the first base station via said second interface, said user control command for instructing the first base station apparatus is switched.
27. The method of any one of claims 1 to 26 as claimed in claim 19, wherein the coordinating controller through the second interface communicating with the first base station, comprising:
The coordination controller through the second interface receives the first base station transmitting an access request message;
The coordination controller through the second interface sends an access response message to the first base station.
28. The method of claim any one of claims 1, 19 to 27, wherein the coordinating controller through the second interface communicating with the first base station, comprising:
The coordination controller through the second interface transmits scheduling information to the first transmission mode base station, transmitting the scheduling information mode comprises at least one of the following parameters: a first base station the user equipment and services may be used uplink and downlink time slots, frequency resources available and the maximum transmit power.
29, according to claims 1, 19 to 28. The method according to any preceding claim, wherein the coordinating controller through the second interface communicating with the first base station, comprising:
The coordination controller through the second interface receives the measurement report sent by the first base station.
30. The method according to any one of 291 ~, as claimed in claim 19, wherein the coordinating controller through the second interface communicating with the first base station, comprising: a controller coordinating the said first base station transmits a second power interface to receive the control information, the power control information includes at least one of the following parameters: the power of the user equipment cell stage to the first base station control parameters, and a power adjustment step size power margin.
31. A radio resource management method, wherein the at least one first coordination base station controller manages the first base station serving a small cell, the method comprising:
Establishing a macro base station and the coordination between the first interface controller;
The macro base station via the first interface with the controller communication coordinator, such that the coordinating controller coordinates the macro base station using the radio resources between the first base station.
32. The method of claim 31, wherein the macro base station controller in communication with the coordinator via the first interface, comprising:
Coordinating the macro base station receives the first load information sent by the controller through the first interface, the first load information comprises a current load information of the first base station; and / or,
The macro base station transmits information to the second load coordinating controller through the first interface, the second load information comprises a load information of the current macro base station.
33. The method according to claim 32, wherein,
The current load information of the first base station, comprising:
The total current load information of the at least one first base station is coordinated by the controller management.
34. The method according to any one of claims 31 to 33, wherein the macro base station via the first interface with the controller coordinating communications, comprising:
Coordinating the macro base station of the first handover request message sent by the controller through the first interface receiving the first handover request message for instructing the first base station by the user equipment to the macro base station needs handover; or
The macro base station via the first interface request message to the macro base station transmits a second handover, a second handover request message to the macro base station indicating the user equipment and services need to switch to the first base station.
35. The method of claim 34, wherein,
The handover request message includes the first identifier identifying the coordination controller, and the first base station.
36. The method of claim any one of claims 31 to 35, characterized in that, the macro base station via the first interface to coordinate communication with the controller, comprising: a macro base station via the first interface the coordination controller receiving a first transmission interface setup request message, the first interface setup request message used to instruct the controller requesting establishment of the coordination between the first interface and the macro base station, the second an interface setup request message comprising the identification coordination controller and at least one of the following information: the identification of a small cell, the small cell and a physical cell identity PCI cell global identifier (ECGI) of the small cell;
The macro base station transmits a first interface establish response message to the coordinating controller through the first interface.
37. A method according to claim any one of claims 31 to 36, wherein the macro base station to coordinate communication with the controller through the first interface, comprising:
Receiving the macro base station transmits the coordinating controller configuration update information through the first interface, update the configuration information includes identification of the coordinated controller, and at least one of the following information: the small-cell identifier, PCI, and the small cell ECGI of the small cell, updating the configuration information indicating the configuration of the small cell.
38. A method according to claim any one of claims 31 to 38, characterized in that, the macro base station via the first interface with the controller coordinating communications, comprising:
The macro base station via the first resource request message, the first interface receiving the transmission coordination state controller, the macro base station requests the macro base station information obtaining current resource status information according to the first resource state; the said macro base station via the first interface transmits a first state to the resource controller coordinating the response message, the first response message carries the resource state of the current macro base station resource status information; or
The macro base station via the first interface transmits a second resource to the coordinating controller status request message, the second resource status request message is used to instruct the controller to coordinate acquiring request message according to the second resource state current resource state information of the at least one first base station; response message to the macro base station via the first interface to receive a second state resource, the second resource in response to the current state of the resource message carries at least a first base station status information.
39. The method of claim 38, wherein the second resource response message carries the current state of the resource status information of the at least one first base station, comprising:
The second resource status response message comprises a list identifying at least one first base station and the resource state information and identify at least one corresponding to the first base station.
40. The method of claim any one of claims 31 to 39, wherein the macro base station via the first interface with the controller coordinating communications, comprising:
Said first coordinate the macro base station controller sends a resource status request message received through the first interface, a first request information according to the resource status acquiring the current macro base station resource status information; the macro base station transmitting through the first interface to a first state of said resource coordination controller failure response message, the first response message indicates a failure status of resources of the macro base station threshold currently available amount of resources is less than or equal to the set; or ,
The macro base station via the first interface transmits a second resource to the coordinating controller status request message, the second resource status request message is used to instruct the controller to coordinate acquiring request message according to the second resource state current resource status information of the first base station; the macro base station transmits the second resource state through the first interface receiving the coordination controller failure response message, the second resource status message to indicate the failure response said first base station is not currently resources available for measurement.
41. The method of claim any one of claims 31 to 40, wherein the macro base station via the first interface with the controller coordinating communications, comprising:
Receiving the macro base station controller transmits the coordinating resource status update information through the first interface, the resource information includes resource status update status information of the first base station updates.
42. The method of claim 41, wherein,
Update the resource status information comprises at least one of:
Small cell resources project, the project comprises resource coordination small cell and small cell controller identifier identifying the coordination controller list corresponding to the identifier, and the resource projects small cell small cell identification list corresponding to the identifier;
Hardware load information, the load information includes a hardware identification and a controller coordinating small cell controller identifier corresponding to the identifier of the coordination, and the small cell corresponding to the identifier indicating the hardware load; status information of the radio resource, the radio resource status information includes a controller identifier and the small-cell coordination with the coordinating controller identifier corresponding to the identifier, and the small-cell identifier corresponding to a radio resource state;
ABS state almost blank subframe small cell small cell total available at least a first base station controller to coordinate the management of the service controller manages the coordination of the at least one first base station and services. 43. The method according to any one of claims 31 to 42, characterized in that, the macro base station via the first interface with the controller coordinating communications, comprising:
The macro base station transmitting through the first interface is changed to the mobility controller coordination request message, the mobility change request message carries the identifier of the selected small cell identification and coordination of the controller, the movement changes of the request message for instructing the selected small cell handover preparation; the coordination of the macro base station changes mobility controller sends a response message received by the first interface, the mobility change response message carries and identifying the selected small cell coordination controller identified.
44. The method according to claim any one of claim 31 to 43, wherein the macro base station to coordinate communication with the controller through the first interface, comprising:
The macro base station transmitting through the first interface is changed to the mobility controller coordination request message, the mobility change request message carries the identifier of the selected small cell identification and the coordination controller, the movement changes of the request message for instructing the selected small cell handover preparation; the macro base station moves to coordinate the change in received through the first interface controller sends a failure response message, the mobility change failure response identifying message carries the selected small cell and the coordination controller identified.
45. The method of claim any one of claims claim 31 to 44, wherein the macro base station via the first interface with the controller coordinating communications, comprising:
When the macro base station transmits the radio link controller coordinating the failure message received through the first interface, the radio link failure message is used to instruct the user equipment and services small cell to the macro base station access radio link setup failure, the radio link failure message carries the identifier of the controller and coordinating at least one of the following information: ECGI of the small cell identity, PCI of the small cell and the small-cell .
46. ​​The method according to any one of claim 31 to claim 45, wherein the macro base station via the first interface with the controller coordinating communications, comprising:
Coordinating the macro base station receives the first handover report sent by the controller through the first interface, the first indicating the handover report to the macro base station serving a user equipment cause of the failure of the handover to the small cell; or,
The macro base station transmits a second handover report to the coordinating controller through the first interface, the second handover report indicating the reason for the small-cell service user equipment handover failure to the macro base station, the said second switching controllers report comprises identification of the coordinator and at least one of the following information: ECGI identifying the small cell, the small cell and the PCI of the small cell.
47. A method according to any one of the 3,146 - claims, characterized in that the macro base station via the first interface with the controller coordinating communications, comprising:
Coordinating the macro base station of the first small cell sent by the controller through the first interface receives the activation request message, the first small-cell activation request message is used to instruct the controller to coordinate the management of the at least one first base station the service activation small cell, the first small-cell activation request message carries the identifier of the controller and coordinating at least one of the following information: the identification of a small cell, the small cell and the PCI ECGI of the small cell;
The macro base station transmits a first small cell activation response message to the coordinating controller through the first interface; or
The macro base station transmitting through the first interface to the second small cell controller coordinating activation request message, the second small-cell activation request message carries the identifier of small cells need to be activated, which needs to be activated small cell identifier identifying the coordination comprises the controller, and at least one of the following information: identity of the small cell, the small cell and the PCI ECGI of the small cell, according to the coordinated controller said second small cell activation request message, activate the small cells need to be activated.
48. The method according to claim any one of claim 31 to 47, wherein the macro base station via the first interface with the controller coordinating communications, comprising:
Coordinating the macro base station of the first small cell sent by the controller through the first interface receives the activation request message, the first small-cell activation request message is used to instruct the controller to coordinate the management of the at least one first base station the service activation small cell, the first small-cell activation request message carries the identifier of the controller and coordinating at least one of the following information: the identification of a small cell, the small cell and the PCI ECGI of the small cell;
The macro base station transmits a first small cell activation failure response message to the coordinating controller through the first interface; or
The macro base station transmitting through the first interface to the second small cell controller coordinating activation request message, the second small-cell activation request message indicating a need for small cell is activated, said second small cell coordinated activation request message carries the identifier of the controller and at least one of the following information: ECGI identifying the small cell, the small cell and the PCI of the small-cell; said first by the macro base station the coordinated transmission controller interface receives a second small cell activation failure response message.
49. A radio resource management method, wherein the at least one first coordination base station controller manages the first base station serving a small cell, the method comprising:
The first base station and the second interface to establish coordination between controllers;
The first base station via said second communication interface and the coordination controller that the other first radio resources between the base of said at least one first base station controller to coordinate the first base station and the coordination of usage of.
50. The method of claim 49, wherein the first base station via said second communication interface and the coordination controller, comprising:
Receiving through the second interface of the first base station controller transmits the coordinating saving control command, the power saving control command for turning on or off the first base station.
51. The method of claim 49 or claim 50, wherein the first base station via said second communication interface and the coordination controller, comprising:
Receiving through the second interface of the first coordinated scheduling request sent by the first base station controller; or
By coordinating the second interface controller sends a scheduling request to the second base station to the first.
52. The method according to any one of claim 49 to claim 51, wherein the first base station via said second communication interface and the coordination controller, comprising:
Said second interface to send via said first base station using the resource information and / or information on the remaining resources of the first base station to the coordinated controller.
53. The method according to any one of claim 49 to claim 52, wherein the first base station via said second communication interface and the coordination controller, comprising:
Said second interface to send via said first base station to the first base station controller to coordinate the current load information.
54. The method according to any one of claim 49 to claim 53, wherein the first base station via said second communication interface and the coordination controller, comprising:
The first base station through a second interface sends the location information to the first base station controller coordinating the configuration information comprises at least one of the following parameters: the bandwidth frequency of the first base station, transmission power, antenna parameters, the position coordinates, a physical cell identifier, the cell global identity. 55. The method according to any one of claims 49 to 54, wherein the first base station via said second communication interface and the coordination controller, comprising:
The first base station by receiving the configuration command sent by the controller to coordinate said second interface, the configuration command is used to configure the parameters indicative of the first base station, said parameters comprising at least one of: a power parameters, frequency, transmit mode, and transmitting the common signaling mode.
56. The method according to any one of claim 49 to claim 55, wherein the first base station via said second communication interface and the coordination controller, comprising:
The first base station transmitting through the second interface to said controller coordinating the operation state information of the first base station, the working status information comprises at least one of the following parameters: the first base station serving a user equipment the access success rate, a handover failure rate, call drop rate and the rate of radio link failure.
57. The method according to any one of claims 49 to 56, wherein the first base station via said second communication interface and the coordination controller, comprising:
Receiving through the second interface of the first base station coordinated control command sent by the controller; switched user equipment according to a control command instructing the first base station.
58. The method of claim any one of claims 49 to 57, wherein the first base station via said second communication interface and the coordination controller, comprising:
Transmitting through the second interface to the first base station controller to coordinate the access request message; a first interface to receive said second base station controller to coordinate the access response message sent by the.
59. The method according to any one of claim 49 to claim 58, wherein the first base station via said second communication interface and the coordination controller, comprising:
The first base station via the second interface receiving the transmission mode controller coordinating the scheduling information is transmitted, transmitting the scheduling information mode comprises at least one of the following parameters: the first base station serving the user equipment may be used uplink and downlink time slots, frequency resources available and the maximum transmit power.
60. The method according to any one of claim 49 to claim 59, wherein the first base station via said second communication interface and the coordination controller, comprising:
The coordination controller through the second interface transmits a first measurement report to the base station.
61. The method according to any one of claim 49 to claim 60, wherein the first base station via said second communication interface and the coordination controller, comprising: a first base station through the first two coordinating the interface controller sends the power control information, the power control information includes at least one of the following parameters: the power of the user equipment cell stage to the first base station control parameter, a power adjustment step size, power, and I the amount.
62, a coordinated controller, wherein the controller manages the coordination of the at least one first base station to the first base station serving a small cell, comprising:
A first establishing module for establishing an interface between the first and the macro base station;
A first communication module through the first interface for communicating with the macro base station to coordinate the macro base station and a radio resource used between the first base station; and / or,
A second establishing module for establishing a second interface with the first base station;
Second communication means for communicating via the second interface with the first base station using a radio resource coordination between the other first base station the first base station and the at least one first base station.
63. The controller according to claim 62 coordinating, wherein the first communication module is configured to:
Through the first interface to the macro base station transmits information of a first load, the first load information comprises a load information of the current first base station; and / or,
The first interface via second load information transmitted by the macro base station receiving said second load information comprises a load information of the current macro base station.
64. The controller according to claim 63 coordinated, characterized in that the current load information of the first base station, comprising:
The total current load information of the at least one first base station is coordinated by the controller management.
65, according to one of claims 62 to any one coordination controller 64, characterized in that the first communication module is configured to:
Through the first interface to the macro base station transmits a first handover request message, the first handover request message for the user equipment indicated by the first base station needs to handover to the macro base station; or
Through the first interface receiving the macro base station transmits a second handover request message, the second handover request message for the user equipment indicated by the macro base station services need to switch to the first base station.
66. The controller according to claim 65 coordinating, wherein the first switching request information includes the coordination controller identifications and the first base station.
67, the coordination controller 66 according to any one of claims 62 to claim, wherein the first communication module is configured to:
The first interface transmits to the macro base station via a first interface setup request message, the first interface setup request message used to instruct the controller requesting establishment of the coordination between the first interface and the macro base station the first interface setup request message includes a controller, and the coordination of identification information of at least one of the following: small cell global identity of the cell, the physical cell identity (PCI) of the small cell and small cell logo ECGI;
Receiving said first interface via said first interface setup response message transmitted from the macro base station.
68, according to one of claims 62 to any one coordination controller 67, characterized in that the first communication module is configured to:
Through the first interface to the macro base station sends a configuration update information, update the configuration information includes identification of the coordinated controller, and at least one of the following information: the identification of a small cell, the small cell the PCI and the small cell ECGI, update the configuration information indicating the configuration of small cells.
69, the coordination controller 68 according to any one of claims 62 to claim, wherein the first communication module is configured to:
The first interface station transmits a first resource status request message to the macro by the first resource status request message is used to instruct the macro base station acquires the current macro base station resource status information;
Received through the first interface of the first resource status response message transmitted from the macro base station, the first resource status response message carries the current macro base station resource status information; or
Receiving the macro base station via the first interface transmits a second resource status request message, the request message to obtain the current state of the resource information of the at least one first base station according to the second resource state;
Through the first interface to the macro base station transmits a second resource status response message, the second resource response message carries the current state of the resource status information of the at least one first base station.
70. The controller according to claim 69 coordinate, wherein the second resource response message carries the current state of the resource status information of the at least one first base station, comprising:
The second resource status response message comprises a list identifying at least one first base station and the resource state information and identify at least one corresponding to the first base station.
71, according to one of claims 62 to any one coordination controller 70, characterized in that the first communication module is configured to:
The first interface station transmits a first resource status request message to the macro by the first resource status request message is used to instruct the macro base station acquires the current macro base station resource status information;
A first resource state by said first interface receiving the macro base station transmits a failure response message, the first response message indicates failed resource status to the threshold macro base station currently available amount of resources is less than or equal to the set; or ,
Receiving the macro base station via the first interface transmits a second resource status request message, the request message to obtain the current state of the resource information of the first base station according to the second resource state;
Through the first interface to the macro base station transmits a second resource status failure response message, the second resource state of the resource failure response message for instructing the first base station is not currently available for the measurement.
72, the coordination controller according to any one of claim 62 to claim 71, wherein the first communication module is configured to:
Update information through the first interface to the macro base station transmits the resource status, resource status update the resource status information comprises updating the first base station.
73, according to the coordinated controller as claimed in claim 72, wherein,
Update the resource status information comprises at least one of:
Small cell resources project, the project comprises resource coordination small cell and small cell controller identifier identifying the coordination controller list corresponding to the identifier, and the resource projects small cell small cell identification list corresponding to the identifier;
Hardware load information, the load information includes a hardware identification and a controller coordinating small cell controller identifier corresponding to the identifier of the coordination, and the small cell corresponding to the identifier indicating the hardware load; status information of the radio resource, the radio resource status information includes a controller identifier and the small-cell coordination with the coordinating controller identifier corresponding to the identifier, and the small-cell identifier corresponding to a radio resource state;
ABS state almost blank subframe small cell small cell total available at least a first base station controller to coordinate the management of the service controller manages the coordination of the at least one first base station and services.
74, the coordination controller according to any one of claim 62 to claim 73, wherein the first communication module is configured to:
Through the first interface receiving the macro base station transmits the mobility change request message, the mobility change request message carries the identifier identifies the selected small cell and said controller coordinating the mobility change request message for indicating the selected small cell handover preparation;
Through the first interface to the macro base station sends a mobility message in response to changes in the mobility change response message carries the identifier of the selected small cell identification and the coordination controller.
75, the coordination controller according to any one of claim 62 to claim 74, wherein the first communication module is configured to:
Through the first interface receiving the macro base station transmits the mobility change request message, the mobility change request message carries the identifier identifies the selected small cell and said controller coordinating the mobility change request message for indicating the selected small cell handover preparation;
Through the first interface to the macro base station sends a mobility change failure response message, the mobility change failure response message carries the identifier of the selected small cell identification and the coordination controller.
76, according to one of claims 62 to any one coordination controller 75, characterized in that the first communication module is configured to:
Failure message via the first interface to the macro base station sends a radio link, the radio link failure message when the user equipment a radio link for the small-cell indicates an access service to the macro base station establishment fails, the radio link failure message carries the identifier of the controller and coordinating at least one of the following information: identity of the small cell, ECGI of the small cell and the PCI of the small cell.
77, according to one of claims 62 to any one coordination controller 75, characterized in that the first communication module is configured to:
Through the first interface to the macro base station transmits a first handover report, for the first reason handover report indicating the macro base station to the user equipment and services small cell handover failure; Alternatively, the second a second interface for receiving the macro base station a handover report sent by the second handover report indicating the reason for the small-cell service user equipment to the macro base station handover failure, the report comprising the second switch identifying at least one coordination controller and the following information: ECGI identifying the small cell, the small cell and the PCI of the small cell.
78, according to one of claims 62 to any one coordination controller 75, characterized in that the first communication module is configured to:
At least a first interface to a first base station to the macro base station transmits the activation request message by a first small cell, the first small-cell activation request message is used to instruct the controller to coordinate the management service activation small cell, the first small-cell activation request message carries the identifier of the controller and coordinating at least one of the following information: the identification of a small cell, the small cell and the PCI ECGI of the small cell;
Through the first interface to receive the first small-cell activation in response to the macro base station transmits message; or
Through the first interface receiving the macro base station transmits a second small cell activation request message, the second small-cell activation request message carries the identifier of small cells need to be activated, and the need to identify small cell is activated the coordination controller comprises identification information and at least one of the following: the identification of a small cell, the small cell and the PCI ECGI of the small cell;
According to the second small cell activation request message needs to be activated to activate the small cell, and through the first interface to the macro base station transmits a second small cell activation response message.
79, according to one of claims 62 to any one coordination controller 75, characterized in that the first communication module is configured to:
At least a first interface to a first base station to the macro base station transmits the activation request message by a first small cell, the first small-cell activation request message is used to instruct the controller to coordinate the management service activation small cell, the first small-cell activation request message carries the identifier of the controller and coordinating at least one of the following information: the identification of a small cell, the small cell and the PCI ECGI of the small cell;
Through the first interface receiving said first small cell macro base station transmits an activation failure response message; or
Through the first interface receiving said second small cell macro base station transmits the activation request message, the second small-cell activation request message indicating a need for small cell is activated, said second small cell activation request message carries the coordination controller and identification information of at least one of the following: identification of the small cell, the PCI of the small cell and small cell ECGI; through the first access to the macro base station transmits the first two small-cell activation failure response message.
80. The controller according to claim 62 coordinate, wherein the second communication module configured to:
Transmitting through the second interface to the first base station the power saving control command, the power saving control command for turning on or off the first base station.
81, the coordination controller according to claim 62 or claim 80, wherein the second communication module configured to:
Transmitting a first scheduling request to the first base station via said second interface; or
Through the second interface receives the second scheduling request sent by the first base station.
82, the coordination controller according to claim 62, 80 or claim 81, wherein the second communication module configured to:
The first base station transmits resource through the second interface to receive the first base station using the information and / or residual information resources.
83, according to claim 62, any one of the coordinating controller 80-82, wherein the second communication module configured to:
Current load information transmitted from the first base station via said second interface to receive the first base station.
84, according to claim 62, any one of the coordinating controller 80-83, wherein the second communication module configured to:
Configuration information transmitted by the first base station to the second base station interface receives the first, the configuration information includes at least one of the following parameters: the bandwidth of the first base station, frequency, transmit power, antenna parameters, the position coordinates, a physical cell identifier and a cell global identity.
85, according to claim 62, any one of the coordinating controller 80-84, wherein the second communication module configured to:
Said second interface by sending configuration commands to the first base station, the configuration command is used to configure the parameters indicative of the first base station, said parameters comprising at least one of the following: power parameters, frequency, transmit mode, and transmitting the common signaling mode.
86, according to claim 62, any one of the coordinating controller 80-85, wherein the second communication module configured to:
Receiving through the second interface of the first base station transmits the operating state information, the operating state information includes at least one of the following parameters: the first user equipment to a base station serving access success rate, a handover failure rate, rate of dropped calls and wireless link failure rate.
87, according to claim 62, any one of the coordinating controller 80-86, wherein the second communication module configured to:
Said second interface by transmitting a control command to the first base station, a control command to a user equipment indicating the first base station is switched.
88, according to claim 62, any one of the coordinating controller 80-87, wherein the second communication module configured to:
Access through the second interface receives the request message sent by the first base station;
Sending an access response message via the second interface to the first base station.
89, according to claim 62, any one of the coordinating controller 80-88, wherein the second communication module configured to:
Transmitting information through the second interface transmits the scheduling mode to the first base station, transmitting the scheduling information mode comprises at least one of the following parameters: the uplink and downlink time slots of the first base station the user equipment may be used, frequency resources can be used and the maximum transmit power.
90, according to claim 62, any one of the coordinating controller 80-89, wherein the second communication module configured to:
Receiving the measurement report sent by the first base station via the second interface.
91, according to claim 62, according to any one of claims 80 to 90 coordination controller, wherein the second communication module configured to:
Transmitted power is controlled by the second base station interface receives the first information, the power control information includes at least one of the following parameters: cell stage power user equipment to the first base station's control parameters, the power adjustment step long and power margin.
92 A macro base station, wherein the macro base station comprising:
Establishing a third module, used for establishing and coordination between the first interface controller, the controller manages at least one of said first coordination base station to the first base station serving a small cell;
Third communication means for communicating with the first interface controller is coordinated through, such that the coordinating controller coordinates the use of radio resources between the first base station and the first base station.
93, according to the macro base station in claim 92, wherein said third communication module is configured to: receive the first coordinate load information sent by the controller through the first interface, the first load information including the current load information of the first base station; and / or,
Coordinating the first interface controller transmits to the second load information, the second information comprises a load information of the current load by the macro base station.
94, the macro base station according to claim 93, wherein,
The current load information of the first base station, comprising:
The total current load information of the at least one first base station is coordinated by the controller management.
95, according to claim 92 to 94 according to any one of the macro base station, wherein said third communication module is configured to:
Receiving the first coordinate through the first interface controller sends a handover request message, the user equipment first handover request for information indicated by the first base station needs to handover to the macro base station; or
Through the first interface to the macro base station transmits a second handover request message, the second handover request message to the macro base station indicating the user equipment and services need to switch to the first base station.
96, according to the macro base station according to claim 95, wherein,
The handover request message includes the first identifier identifying the coordination controller, and the first base station.
97, according to any one of the macro base station 92 to claim 96, wherein said third communication module is configured to:
The coordinated through the first interface receiving a first interface setup request message sent by the controller, the first interface setup request message used to instruct the said first coordinating between the macro base station controller requests the establishment of an interface, the first interface establishment request message comprises an identification of the coordinated controller and at least one of the following information: the identification of a small cell, the small cell and a physical cell identity PCI of the small cell cell global identifier ECGI;
Transmitting to the coordinator controller through the first interface in response to the first interface establishment message.
98, 92 and 97 according to claim any one of the macro base station, wherein said third communication module is configured to:
Receiving said coordination through the first interface configuration update information sent by the controller, update the configuration information includes identification of the coordinated controller, and at least one of the following information: the identification of a small cell, the ECGI of the small cell and small cell PCI, update the configuration information indicating the configuration of small cells.
99, according to any one of the macro base station 92 to claim 98, wherein said third communication module is configured to:
Coordinating the first received through the first interface controller sends a resource status request message, requesting information according to the resource status acquiring first macro base station of the current resource status information via the first interface to the coordination controller sends a first resource status response message, the first response message carries the resource state of the current macro base station resource status information; or
By coordinating the first interface to the second controller transmits the resource status request message, the second resource status request message is used to instruct the controller to coordinate acquiring request message according to the state of said at least one second resource current resource status information of the first base station, receiving through the second interface to a first state of the resource response message, the second resource response message carries the current state of the resource status information of the at least one first base station.
100, the macro base station according to claim 99, wherein said third communication module is configured to:
The second resource status response message comprises a list identifying at least one first base station and the resource state information and identify at least one corresponding to the first base station.
101, the macro base station according to claim any one of claims to 100 92 wherein said third communication module is configured to:
Coordinating the first received through the first interface controller sends a resource status request message, requesting information according to the resource status acquiring first macro base station of the current resource status information via the first interface to the coordination controller sends a first resource status failure response message, the first response message indicates a failure status of resources of the macro base station threshold currently available amount of resources equal to or less than the set; or,
Request message via the first interface transmits a second resource state to the coordinating controller, the second resource status request message is used to instruct the controller to coordinate the resource request message according to the second status acquiring the first the current base station resource status information, the coordinate of the second controller transmits a resource state through the first interface in response to receiving a failure message, the second resource status indicating failure response message to the first base station is not currently available the resource measurements.
102, according to any one of claims 92 to one of the macro base station 101, wherein said third communication module is configured to: update the resource status information transmitted through the first interface receiving said coordination control, the said resource information includes resource status update status information of the first base station updates.
103. The macro base station according to claim 102, wherein,
Update the resource status information comprises at least one of:
Small cell resources project, the project comprises resource coordination small cell and small cell controller identifier identifying the coordination controller list corresponding to the identifier, and the resource projects small cell small cell identification list corresponding to the identifier;
Hardware load information, the load information includes a hardware identification and a controller coordinating small cell controller identifier corresponding to the identifier of the coordination, and the small cell corresponding to the identifier indicating the hardware load; status information of the radio resource, the radio resource status information includes a controller identifier and the small-cell coordination with the coordinating controller identifier corresponding to the identifier, and the small-cell identifier corresponding to a radio resource state;
ABS state almost blank subframe small cell small cell total available at least a first base station controller to coordinate the management of the service controller manages the coordination of the at least one first base station and services.
104, macro 92 according to any one of claims to 103 stations, wherein said third communication module is configured to:
Transmitting through the first interface controller to coordinate the mobility change request message, the mobility change request message carries the identifier identifies the selected small cell and said controller coordinating the mobility change request message for indicating the selected small cell handover preparation;
Received through the first interface controller changes movement of the coordination response message sent by the mobility change response message carries the identifier of the selected small cell identification and the coordination controller.
105, according to claim 92 to any one of the macro base station 104, wherein said third communication module is configured to:
Transmitting through the first interface controller to coordinate the mobility change request message, the mobility change request message carries the identifier identifies the selected small cell and said controller coordinating the mobility change request message for indicating the selected small cell handover preparation;
Receiving said mobility change coordination controller through the first interface transmits a failure response message, the mobility change failure response message carries the identifier of the selected small cell identification and the coordination controller.
106, according to any one of the macro base station 92 to claim 105, wherein said third communication module is configured to:
When the radio link controller coordinating the transmission failure message received through the first interface, the radio link failure message is used to instruct the first base station to the user equipment access to the macro base station radio link setup failure, the radio link when the radio link failure message is used to instruct the user equipment and services small cell access to the macro base station setup failure, the radio link failure message carries the identifier coordinated controller and at least one of the following information: ECGI identifying the small cell, the small cell and the PCI of the small cell.
107, according to claim 92 to any one of the macro base station 104, wherein said third communication module is configured to:
Received through the first interface of the first coordinated handover report sent by the controller, the first handover report indicating the reason for the macro base station to the user equipment and services small cell handover failure; or
Coordinated through said first interface to said second controller transmits a handover report, the handover report used to instruct the second small cell serving a user equipment cause of the failure is switched to the macro base station, said second switching the report includes identification coordination controller and at least one of the following information: ECGI identifying the small cell, the small cell and the PCI of the small cell.
108, the macro base station according to claim any one of claims - 10,792, wherein said third communication module is configured to:
The coordinated activation sent by the controller through the first interface receiving a first small cell activation request message, the first small-cell activation request message is used to instruct the controller to coordinate the management of the at least one first base station and services small cell, the first small-cell activation request message carries the identifier of the controller, and coordination information of at least one of the following: ECGI identifying the small cell, the small cell and the PCI of the small cell , through the first interface to transmit a first small cell controller coordinating the activation response message; or
By coordinating the first interface controller to the second small cell transmitting the activation request message, the second small-cell activation request message carries the identifier of small cells need to be activated, and the need to identify small cell is activated the coordination controller comprises identification information and at least one of the following: ECGI identifying the small cell, the small cell and the PCI of the small cell, so that the controller according to the second coordinate small cell activation request message, activate the small cells need to be activated.
109, the macro base station according to claim any one of claims - 10,892, wherein said third communication module is configured to:
The coordinated activation sent by the controller through the first interface receiving a first small cell activation request message, the first small-cell activation request message is used to instruct the controller to coordinate the management of the at least one first base station and services small cell, the first small-cell activation request message carries the identifier of the controller, and coordination information of at least one of the following: ECGI identifying the small cell, the small cell and the PCI of the small cell ;
Transmitting by said first interface controller to coordinate the first small cell activation failure response message; or
By coordinating the first interface controller to the second small cell transmitting the activation request message, the second small-cell activation request message indicating a need for small cell is activated, said second small cell activation request message carries the coordination controller and identification information of at least one of the following: the identification of a small cell, the small cell and the PCI ECGI of the small cell;
Receiving said coordination controller through the first interface transmits a second small cell activation failure response message.
110, one first base station, wherein the first base station comprises:
Establishing a fourth module for establishing a second interface with the coordination between the controllers;
Fourth communication means for coordination and the second interface controller communication via the coordinating controller managing at least one first base station to the first base station serving a small cell, such that the coordinating controller coordinates using the at least one first base station and the other radio resources between the first base station the first base station.
111, The first base station according to claim 110, wherein the fourth communication module is configured to:
Receiving the coordinator through the second interface controller transmits the power saving control command, the power saving control command for turning on or off the first base station.
112, the first base station according to claim 110 or claim 111, wherein the fourth communication module is configured to:
Receiving through the second interface of the first coordinating scheduling request sent by the controller; or coordination controller sends a scheduling request to the second through the second interface.
113, the first base station according to claim any one of claims 110 to claim 112, wherein the fourth communication module is configured to:
Transmitting the first base station using the resource information and / or resource remaining information through the second interface to the coordinating controller.
114, the first base station according to any one of claims ~ 113,110, wherein said fourth communication module is configured to:
Transmitting the first base station via said second interface to said controller coordinating the current load information.
115, the first base station according to any one of claims ~ 114,110, wherein said fourth communication module is configured to:
Coordinating controller through the second interface transmits the location information to the first base station, the configuration information includes at least one of the following parameters: the bandwidth of the first base station, frequency, transmit power, antenna parameters , position coordinates, a physical cell identifier, the cell global identity.
116. The first base station according to any one of claim 110 to 115, wherein the fourth communication module is configured to:
Receiving said coordination through the second interface configuration command sent by the controller, the configuration command is used to configure the parameters indicative of the first base station, said parameters comprising at least one of the following: power parameters, frequency, transmission mode, and transmitting the common signaling mode.
117, the first base station according to any one of claims 110 to claim 116, wherein the fourth communication module is configured to:
Transmitting through the second interface to said controller coordinating the operation state information of the first base station, the working status information comprises at least one of the following parameters: success rate of user access device of the first base station , handover failure rate, call drop rate and the rate of radio link failure.
118, the first base station according to any one of claims ~ 117,110, wherein said fourth communication module is configured to:
Receiving said coordination control command sent by the controller through the second interface, the user equipment is switched according to the control command instructing the first base station.
119, the first base station according to claim any one of claims 110 to 118, characterized in that said fourth communication module is configured to: through the second interface controller sends an access request message to the coordinator;
Receiving said coordination response message sent by the access controller via the second interface.
120, the first base station according to any one of claims ~ 119,110, wherein said fourth communication module is configured to:
The coordinated scheduling mode controller sent through said transfer interface to receive a second message, transmitting the scheduling information mode comprises at least one of the following parameters: the uplink and downlink service time slot of the first base station of a user equipment that can be used frequency resources can be used and the maximum transmit power.
121, the first base station according to claim any one of claims 110 to claim 120, wherein the fourth communication module is configured to:
Send a measurement report to the coordinating controller through the second interface.
122, the first base station according to any one of claims ~ 121,110, wherein said fourth communication module is configured to:
Through the second interface transmission power control information to the coordinating controller, the power control information includes at least one of the following parameters: cell power level control parameter of the first base station serving a user equipment, a power adjustment step size , and power margin.
123, a coordinated controller, wherein the controller manages the coordination of the at least one first base station to the first base station serving a small cell, the coordinating controller comprising: a processor and a transceiver:
The processor is configured to establish an interface between a first and a macro base station;
For the transceiver via the first interface to communicate with the macro base station to coordinate the macro base station and a radio resource used between the first base station; and / or,
Said processor for establishing a second interface between the first base station;
The transceiver via the second interface for communicating with the first base station using a radio resource coordination between the other first base station the first base station and the at least one first base station.
124 A macro base station, wherein the macro base station comprising: a transceiver and a processor; and the processor for establishing a first interface between the controller and coordination, the coordination controller managing at least one first base station the first base station for a small cell service;
The transceiver through the first interface for communication with the control coordinator, such that the coordinating controller coordinates the macro base station and a radio resource used between the first base station.
125, one first base station, wherein the first base station transceiver includes a processor: a processor for establishing a second interface with the coordination between the controllers, the controller manages at least one coordinating the first base station, the first base station for a small cell service;
The transceiver via the second interface for communication with the control coordinator, such that coordinated control of coordinating the first base station and said at least one other first radio resources between the base station in a first usage of.
PCT/CN2013/081682 2013-08-16 2013-08-16 Radio resource management method, coordinating controller, macro base station and first station WO2015021648A1 (en)

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Citations (3)

* Cited by examiner, † Cited by third party
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CN101662775A (en) * 2008-08-27 2010-03-03 上海华为技术有限公司 Method, device and system for reducing base station interference
CN102883440A (en) * 2011-07-15 2013-01-16 华为技术有限公司 wireless broadband communication method, device and system
CN102907135A (en) * 2010-04-13 2013-01-30 高通股份有限公司 Adaptive resource negotiation between base stations for enhanced interference coordination

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101662775A (en) * 2008-08-27 2010-03-03 上海华为技术有限公司 Method, device and system for reducing base station interference
CN102907135A (en) * 2010-04-13 2013-01-30 高通股份有限公司 Adaptive resource negotiation between base stations for enhanced interference coordination
CN102883440A (en) * 2011-07-15 2013-01-16 华为技术有限公司 wireless broadband communication method, device and system

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