CN104429111B - Network system with local cluster, central controller, micro-base station and macro base station - Google Patents

Network system with local cluster, central controller, micro-base station and macro base station Download PDF

Info

Publication number
CN104429111B
CN104429111B CN201280074362.4A CN201280074362A CN104429111B CN 104429111 B CN104429111 B CN 104429111B CN 201280074362 A CN201280074362 A CN 201280074362A CN 104429111 B CN104429111 B CN 104429111B
Authority
CN
China
Prior art keywords
base station
central controller
micro
characterized
network system
Prior art date
Application number
CN201280074362.4A
Other languages
Chinese (zh)
Other versions
CN104429111A (en
Inventor
陈江南
周红
熊显军
Original Assignee
华为技术有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 华为技术有限公司 filed Critical 华为技术有限公司
Priority to PCT/CN2012/000981 priority Critical patent/WO2014012192A1/en
Publication of CN104429111A publication Critical patent/CN104429111A/en
Application granted granted Critical
Publication of CN104429111B publication Critical patent/CN104429111B/en

Links

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
    • H04W16/02Resource partitioning among network components, e.g. reuse partitioning
    • 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

The embodiment provides the network systems with local cluster, central controller, micro-base station and macro base station;The network system includes macro base station and multiple micro-base stations;The network system further comprises: one or more central controllers, for providing base station collaboration, resource management, interference and power coordination, or synchronization for the multiple micro-base station.Embodiment through the invention, improves the overall system performance and radio resource utilizes.

Description

Network system with local cluster, central controller, micro-base station and macro base station

Technical field

This application involves the communication technologys, more particularly to the net with local cluster, central controller, micro-base station and macro base station Network system.

Background technique

The cellular macro MPS process existing many years with macro cell base station of 3GPP technology, macrocell covering have mentioned For the major technique of cellular service.In order to increase cell capacity, it has been proposed that the concept of small cell, wherein macrocell is covered The cluster of smaller cell size covering under lid is carried out in a manner of the base station names such as picocell, Microcell, Femto cell Deployment.

On the other hand, Wi-Fi (Wireless Fidelity), the example of WLAN (WLAN) technology are that (whole world is moved with GSM Dynamic communication system), a kind of small cell skill of the 3GPP technology such as UMTS (Universal Mobile Telecommunications System) and LTE (long term evolution) Art.How the theme that small cell base station/Wi-Fi AP (access point) is the prior art is disposed under macrocell covering.

However, it is found by the applicant that the existing topology of small cell/Wi-Fi deployment does not have the cluster for connecting each deployment Direct correlation between the lower small cell base station of these small cell base stations, macrocell covering is managed specific to small cell The mechanism of the local cluster of base station.

Summary of the invention

The embodiment of the present invention is related to the network system with local cluster, central controller, micro-base station and macro base station.

The one side of embodiment according to the present invention provides a kind of network system with local cluster, the network System includes macro base station and multiple micro-base stations;The network system further comprises:

One or more local central controllers, for providing base station collaboration for the multiple micro-base station, resource management, doing It disturbs and power coordination, or synchronous;

Wherein one or more of central controllers are connected to the macro base station;The central controller is with wired or nothing Line mode is connected to multiple micro-base stations, forms the local cluster in this way.

The another aspect of embodiment according to the present invention, provides central controller, applied to the net with local cluster In network system, the central controller is connected to multiple micro-base stations, forms the local cluster in this way.

The central controller includes:

First receiving unit, for receiving request message from one of micro-base station of the multiple micro-base station;

Control unit provides base station collaboration, resource management, interference and power coordination for being based on the request message, or It is synchronous;

First transmission unit, for sending response message to the micro-base station.

The another aspect of embodiment according to the present invention, provides micro-base station, applied to the network system with local cluster In system, the micro-base station is connected to central controller;The micro-base station includes:

Second transmission unit, for sending the central controller for request message;Wherein the request message is used for Base station collaboration, resource management, interference and power coordination are requested, or synchronous;

Second receiving unit, for receiving response message from the central controller.

The another aspect of embodiment according to the present invention, provides macro base station, applied to the network system with local cluster In system, the macro base station is connected to one or more central controllers, and the central controller is connected to multiple micro-base stations, in this way Form the local cluster;

The macro base station includes:

Third receiving unit, for receiving request message from the central controller.

Third transmission unit, for sending the central controller for response message.

The present invention has the advantages that simplifying the company of small cell base station by connecting micro-base station via central controller It connects;And improve overall system performance and radio resource utilization.

With reference to the following description and drawings, these and other aspects of the invention and feature be will be evident.Description and In attached drawing, disclose the particular embodiment of the present invention in detail, by indicate that the principle of the present invention can use it is some in a manner of, but It should be understood that the present invention is not limited to corresponding ranges.On the contrary, the present invention includes the institute in the spirit and item of the appended claims It changes, modify and equivalent.

With reference to the feature of the description of embodiment and/or explanation can using same way or similar fashion for one or Multinomial other embodiments, and/or these features are used in combination or substituted with the feature of other embodiments.

It is emphasized that term " includes " used in this specification for illustrate there are the feature, entirety, step or Component, but the combination that there is or add one or more of the other feature, entirety, step, component or above-mentioned item is not precluded.

Many aspects of the invention may be better understood with reference to the following drawings.Component in attached drawing is not necessarily drawn to draw System, but focus on and clearly illustrate in the principle of the present invention.In order to help to illustrate and describe some portions of the invention Point, the size of corresponding part in attached drawing can be amplified, for example, keeping it more real than according to the present invention for other parts The exemplary means of border production are big.The element and feature described in an attached drawing of the invention or embodiment can be with one or more The element and feature described in a additional attached drawing or embodiment combine.

In addition, in the accompanying drawings, identical reference numerals refer to the corresponding part in several views, and generation one can be used to refer to Same or like part in item above embodiments.

Detailed description of the invention

Attached drawing is included to provide a further understanding of the present invention, and attached drawing forms part of this specification, and is said Bright the preferred embodiment of the present invention, and be used to illustrate the principle of the present invention together with description content.Identical reference in attached drawing Number always shows identical element.

In the accompanying drawings:

Fig. 1 is the schematic diagram of the network system of the embodiment of the present invention;

Fig. 2 is the topological diagram of the network system of the embodiment of the present invention;

Fig. 3 is another topological diagram of the network system of the embodiment of the present invention;

Fig. 4 is another topological diagram of the network system of the embodiment of the present invention;

Fig. 5 is another topological diagram of the network system of the embodiment of the present invention;

Fig. 6 is another topological diagram of the network system of the embodiment of the present invention;

Fig. 7 is the functional diagram of the network system of the embodiment of the present invention;

Fig. 8 is the schematic diagram for being associated with adjustment Tx power again for being illustrated as UE with access point;

Fig. 9 is the schematic diagram for illustrating the dynamic beam switching of access point;

Figure 10 is the schematic diagram for illustrating the time synchronization of access point;

Figure 11 is the schematic diagram of the central controller of the embodiment of the present invention;

Figure 12 is the schematic diagram of the micro-base station of the embodiment of the present invention;

Figure 13 is the schematic diagram of the macro base station of the embodiment of the present invention.

Specific embodiment

The many features and advantage of each embodiment are in detail specifications it is clear that therefore, the appended claims are anticipated Figure covers all such feature and advantage of the embodiment belonged in its true spirit and range.Further, since fields Technical staff will readily occur to numerous modifications and variations, thus be not intended to for invention embodiment being limited to illustrated and description Exact configuration and operation, therefore, all suitably modified and equivalent that can be taken belong in respective range.

The preferred embodiment of the present invention described referring to the attached drawing below.

Nowadays, existing topology typically refers to UMTS/LTE network, and existing topology allows small-sized under macro cell base station covering Cell base station is connected by " netted " format logic, it means that all small cell base stations are all equally with macro cell base station " same levels " deployment.All small cell base stations " right " all having the same exchange small cell base station and macro cell base station Between information.

These of cluster of the existing topology of small cell/Wi-Fi deployment usually without each deployment of connection are small-sized small " local " central control point of area base station.Also, existing topology is not shown small under the macrocell covering by central control point Any direct correlation between type cell base station;And the lower small cell cluster and macro cell base station of macrocell covering does not have directly Connect association.In addition, the prior art does not have the ability of local cluster of the management specific to small cell base station.

In addition, many small cell base station/Wi-Fi AP may be present under the covering of macrocell, and they are all with same levels (off grade) is disposed and is comparably directly connected to EPC (Evolved Packet Core) or RNC (radio network controller), and And it is directly controlled by EPC or RNC.

These small cell base station/Wi-Fi AP lack local control point and cooperation and communication are made to become more difficult and multiple It is miscellaneous, and in the case where not knowing whether to need to send these information, identical information may need to be sent to it is many other, from And the information flowrate problem between these links is caused, and waste bandwidth.

Lack local central control point between the cluster of small cell base station and also results in money to each small cell base station Source lacks the problem of central management, this is difficult to improve total system rank performance and radio resource utilization.

In this application, the sheet of small cell base station/Wi-Fi AP (continuum typically each in covering cluster) Ground cluster is disposed under macrocell covering using the framework of branch or star-like format, wherein having to local central control point Wired or wireless connection mixing;It is associated with by direct or indirect link with macro cell base station;And exchange corresponding informance with Promote the operation between macro cell base station and small cell base station and cooperate increase to realize capacity and end-user experience Improve.

Embodiment 1

The embodiment provides the network systems with local cluster.Fig. 1 is the network of the embodiment of the present invention The schematic diagram of system.

As shown in Figure 1, network system includes: macro base station 101, multiple micro-base stations 102;The network system further comprises: One or more central controllers 103, central controller 103 can be an example of local central control point;

Wherein central controller 103 is used to provide base station collaboration, resource management, interference and power association for multiple micro-base stations It adjusts and synchronous;One or more central controllers are connected to macro base station;And each central controller is all connected to multiple micro- bases It stands, in this way formation local cluster.

As shown in Figure 1, each central controller 103 is with star topology or branch's Topology connection to certain micro-base stations.It please infuse Meaning is somebody's turn to do " star-like or branch " format and is different from " netted " format that the prior art uses.

In this application, micro-base station can be femto base station or femto base station or Wi-Fi AP (access point).However, It is not limited to this, can determine ad hoc fashion according to actual needs.

In this application, the connection between central controller 103 and micro-base station 102 be cable form or wireless or this The two.

It should be noted that illustrated only in Fig. 1 macrocell covering under a cluster however it is not limited to this.In fact, macro The cluster of many small cell base stations (for example, hot spot) can be disposed under MPS process.

In addition, there is only the cluster of small cell base station and macrocell websites (if it is fan-shaped macro station point to be With every sector) share identical cell site (as shown in Figure 1).Remaining cluster (not shown) under macro covering will be around center control Device processed, it is not necessary to it is located at same position with macro station point, but macro station point can be remotely connected to via cable connection, clusters multiple in this way Information can also be shared by the central control point and macro station point base stations of local cluster.

Fig. 2 is the topological diagram of the network system of the embodiment of the present invention.As shown in Fig. 2, one group of cheap node (micro-base stations 102 such as Wi-Fi AP) are attached to central control point 103 (for example, local routing by GE (gigabit Ethernet) connection Device or local gateway).

As shown in Fig. 2, central controller 103 is for local management Wi-Fi node for flow shunt, load balancing, QoS Management, local mobile management, interference management etc..In addition, transmission link need than usual higher capacity accommodate multiple groups Wi-Fi flow.

In this embodiment, micro-base station 102 to the interconnection between central controller 103 can be light or electric form and It can be cable or wireless.Interconnection between micro-base station can be by netted connection, so that some of micro-base stations are not required to Want any obvious cable connection for being back to macro/micro-/femto base station.

In this embodiment, terminal is double mode or single mode and can access cellular service or Wi-Fi service or two Person.All AP can all concentrate on macro/micro-/femto base station and it is shared with identical power possessed by macro/micro-/femto base station and Backhaul resources.Identical return bandwidth is shared in all AP nodes and base station.Base station can directly be passed through (by the function mould on base station Block, such as software function module), or all AP nodes are managed by the base station backhaul to network management box.

Fig. 3 is another topological diagram of the network system of the embodiment of the present invention.As shown in figure 3, network system can be applied to In UMTS, and central controller is connected further to access gateway (AG).

Fig. 4 is another topological diagram of the network system of the embodiment of the present invention.As shown in figure 4, network system is applied to LTE In system, and central controller 103 is connected further to mobility management entity (MME) and gateway (S-GW).

As shown in figure 4, AC (access controller) function division is two parts, wherein control section is configured in MME, data Part is configured in S-GW.

In this application, the cheap extension using Wi-Fi and the covering of limited honeycomb is performed;With integrate micro-/pico- and Wi- Fi scheme is compared, which will reduce cost.Execute the local management of the network of Wi-Fi type.

In this application, Wi-Fi network is visible, is manageable and maintainable.Handling capacity is higher, and use is unauthorized Frequency spectrum shunts macro network.Also, Wi-Fi backhaul is simple Ethernet, and the usually backhaul transport than managing is more inexpensive.In addition, net Multiple AP coverages region identical with macro/micro-/picocell region can be used in network system;And backhaul is shared with base station, Simplify the Wi-Fi station point requirement to Wi-Fi AP backhaul.

In one embodiment, central controller can be the plug-in unit of macro base station.Fig. 5 is the network of the embodiment of the present invention Another topological diagram of system.As shown in figure 5, central controller is pico- and Wi-Fi controller, and pico- and Wi-Fi controller It is the plug-in unit of macro base station.

In this embodiment, pico- and Wi-Fi controller may be connected to multi port switch, such as multiport POE (ether Net power supply) interchanger, so that pico- and Wi-Fi controller is across more AP;And pico- and Wi-Fi controller can provide interference pipe Reason, such as the selection of dynamic section beam antenna, dynamic AP select, more AP coordinating powers adjustment &CCA (clear channel assessment (CCA)) is adaptive It answers, range extension, AP frequency management, macro-pico- ICIC (Inter-Cell Interference Coordination).

In addition, as shown in figure 5, pico- and Wi-Fi controller may be connected to base control plate, and pico- and Wi-Fi control Device can provide following functions: local AP networking, the intercommunication of load balance and macro base station, central network management (local) etc..

In another embodiment, central controller can be the external unit of macro base station.Fig. 6 is the embodiment of the present invention Network system another topological diagram.As shown in fig. 6, central controller is pico- and Wi-Fi controller, and pico- and Wi-Fi Controller is the external unit of macro base station.

Fig. 7 is the functional diagram of the network system of the embodiment of the present invention.As shown in fig. 7, central controller is (for example, pico- And Wi-Fi controller) cooperation management can be performed;Scheduler/resource pipe can be performed in micro-base station (such as femto base station, Wi-Fi AP) Reason or control management;And scheduler/resource management can be performed in macro base station.

In one embodiment, central controller can be dedicated for reconfiguring to separately user equipment from a micro-base station One micro-base station.

Wherein central controller is used to adjust the power of micro-base station;User equipment is used to search for the power of adjustment;And it uses Power of the family equipment based on adjustment and micro-base station chain rupture are simultaneously re-attached to another micro-base station.

In one embodiment, central controller available power and CCA adjusting thresholds from multiple AP is dry to mitigate It disturbs.Fig. 8 is the schematic diagram for being associated with adjustment Tx power again for being illustrated as UE with access point.

As shown in figure 8, being associated with if UE is heavily disturbed with current AP (AP2).Central controller can be simultaneously It will reduce to the Tx power of the UE and at the same time increasing CCA, so that UE will be with AP2 disassociation.At the same time, central controller The Tx power of its adjacent AP1 will be increased, and the CCA for reducing AP1 be associated with UE will with adjacent AP1 again, wherein assuming adjacent The interference rank of AP2 before the interference rank of AP1 is less than.In addition, chain rupture and again chain of the central controller for user and AP It connects, rather than for power control to increase S/N (signal-to-noise ratio).

In another embodiment, central controller can be dedicated for using the beam selection of face-to-face wave beam to avoid same When send two wave beams.

Fig. 9 is the schematic diagram for illustrating the dynamic beam switching of access point.As shown in figure 9, each AP has there are some AP There are more beam antennas, for example, one of AP has B11, B12 ... B16.It is dry to reduce that wave beam may be selected in central controller It disturbs.

In another embodiment, central controller can be dedicated for using the synchronous micro-base station of time signal of macro base station.

In a form of implementation, AP can be synchronized in time by the macro base station time, so that it is optional and by central control board It controls to synchronize the transmission time of AP.It may allow terminal by enabling some AP to send while forbidding other AP to send The signal of an AP is heard in the case where not interfered by other AP.

Figure 10 is the schematic diagram for illustrating the time synchronization of access point.As shown in Figure 10, in each time interval, center control Device processed is necessary to ensure that only one wave beam activation every time of overlapping wave beam.

In this embodiment, since a wave beam of each each AP is activation, AP may be selected and make same Their head to head wave beam of time (direct opposed facing wave beam) un-activation (Tx or Rx).Therefore, this is the excellent of time synchronization Point.This will require AP to report it at any time next by transmission/which wave beam received, and such central controller can be fed back to AP makes it know whether this is a good selection.

In addition, better way be defined for each AP a mode make their adjacent beams the same time never Activation.Thus, it is only required to want synchronization time, but do not need to control them every time.

In another embodiment, central controller is dedicated for by the intelligent frequency distribution across micro-base station or across micro- base The optimal energy allocation of the united load balancing of the user to stand or micro-base station promotes overall network capacity.

In this application, in one embodiment, each AP opens the 50% of about its total Tx power, and such one group of AP is mutual Overlapping is to form the hot spot closely covered.Assuming that the Tx power of each AP can be reduced to zero or to its maximum value, in this way when its quilt When being set as maximum power, the region of other AP can be covered.Since each AP (assuming that single radio of each AP) can be only User's transmission with a time division multiplexing, therefore although there are multiple wave beams, only one wave beams on each AP It is sent to specific direction.

In this application, by cable mode or wireless mode via local central control point connect small cell base station/ Wi-Fi AP simplifies small cell base station/Wi-Fi AP connection (being connected to star-like connection from netted).

Central control point local in this way will act as local small cell base station controller, and provide base station collaboration, resource Management, interference and power coordination and synchronous.Final result is to increase entire system capacity, improve the level of resources utilization, improve Service quality and improvement end-user experience.

In this application, some technologies are enabled to utilize, such as mutiple antennas beam forming and across multiple small cell base stations/ Sector selection, the interference of Wi-Fi AP are eliminated/are avoided, Tx power cooperates and slot synchronization.

From above-described embodiment as it can be seen that simplifying the company of small cell base station by connecting micro-base station via central controller It connects;And improve overall system performance and radio resource utilization.

Embodiment 2

Based on embodiment 1, of the invention this embodiment offers central controllers, applied to the network with local cluster In system, central controller is connected to multiple micro-base stations, in this way formation local cluster;The embodiment corresponds to above-described embodiment 1 And identical content will be no longer described by.

Figure 11 is the schematic diagram of the central controller of the embodiment of the present invention.As shown in figure 11, central controller 103 wraps It includes: the first receiving unit 1101, control unit 1102 and the first transmission unit 1103.Other components of central controller can join It examines the prior art and is no longer described by the present invention.

Wherein, the first receiving unit 1101 is for receiving the request message from micro-base station;Control unit 1102 is used for base Base station collaboration, resource management, interference and power coordination are provided in request message, or synchronous;First transmission unit 1103 is used for will Response message is sent to micro-base station.

In this embodiment, central controller 103 is with star topology or branch's Topology connection to multiple micro-base stations.

In this embodiment, central controller 103 can be the plug-in unit of macro base station;Or central controller 103 can be it is macro The external unit of base station.However it is not limited to which this, can determine particular implementation according to actual needs.

In one embodiment, central controller 103 can be dedicated for matching user equipment from a micro-base station again Set another micro-base station.

In another embodiment, central controller is used to adjust the power of micro-base station;User equipment is adjusted for searching for Whole power;And power of the user equipment based on adjustment and micro-base station chain rupture and it is re-attached to another micro-base station.

In another embodiment, central controller may be used in the beam selection of face-to-face wave beam to avoid and meanwhile send out Send two wave beams.

In another embodiment, central controller can be dedicated for using the synchronous micro-base station of time signal of macro base station.

In another embodiment, central controller is dedicated for by the intelligent frequency distribution across micro-base station or across micro- The optimal energy allocation of the united load balancing of the user of base station or micro-base station promotes overall network capacity.

From above-described embodiment as it can be seen that simplifying the company of small cell base station by connecting micro-base station via central controller It connects;And improve overall system performance and radio resource utilization.

Embodiment 3

Based on embodiment 1, of the invention this embodiment offers micro-base stations, applied to the network system with local cluster In, micro-base station is connected to central controller;Central controller is connected to multiple micro-base stations, in this way formation local cluster;The implementation Example corresponds to above-described embodiment 1 and identical content will be no longer described by.

Figure 12 is the schematic diagram of the micro-base station of the embodiment of the present invention.As shown in figure 12, micro-base station 102 includes: the second hair Send unit 1201 and the second receiving unit 1202.Other components of micro-base station 102 can refer to the prior art and in the present invention No longer it is described by.

Wherein, the second transmission unit 1201 is used to send central controller for request message;Wherein request message is used for Base station collaboration, resource management, interference and power coordination are requested, or synchronous;Second receiving unit 1202 is for receiving from center The response message of controller.

In this embodiment, micro-base station can be femto base station or femto base station or Wi-Fi access point.However, simultaneously It is without being limited thereto, it can determine particular implementation according to actual needs.

Of the invention this embodiment offers macro base stations, and applied in the network system with local cluster, macro base station connects One or more central controllers are connected to, each central controller is all connected to multiple micro-base stations, in this way formation local cluster.

Figure 13 is the schematic diagram of the macro base station of the embodiment of the present invention.As shown in figure 13, macro base station 101 includes: that third connects Receive unit 1301 and third transmission unit 1302.Other components of macro base station 101 can refer to the prior art and in the present invention No longer it is described by.

Wherein third receiving unit 1301 is for receiving the request message from central controller;Third transmission unit 1302 For sending central controller for response message.

From above-described embodiment as it can be seen that simplifying the company of small cell base station by connecting micro-base station via central controller It connects;And improve overall system performance and radio resource utilization.It should be understood that each section of the invention can by hardware, software, Firmware or combinations thereof is implemented.In the above-described embodiments, multiple steps or method can by software stored in memory or Firmware is executed to realize by suitable instruction execution system.For example, if realized by hardware, can as Any technology in another embodiment in the same technology following known to fields or combinations thereof is realized: having a logic gate The discrete logic of the logic function for realizing data-signal of circuit, with the dedicated of combinational logic gate circuit appropriate Integrated circuit, programmable gate array (PGA) and field programmable gate array (FPGA) etc..

Description or box in flow chart or any process or method taken other form are understood to show to wrap One or more modules, segment or part are included, for realizing the executable instruction of step in specific logical function or process Code, and the range of the preferred embodiment of the present invention includes other embodiments, wherein these functions can using with it is shown Or described those different modes execute, including according to correlation function in substantially simultaneous manner or in reverse order come These functions are executed, the technical staff of relevant art should be understood that above content.

For example, diagram or logic and/or step described otherwise above herein should be understood for real in flow chart The sequence list of the executable instruction of existing logic function, it can implement in any computer-readable media, for instruction execution System, device (e.g., including system for computer, the system including processor, or can from instruction execution system, In device extract instruct and execute these instruction other systems) use, or with instruction execution system, equipment or dress Set combined use.

Above-mentioned verbal description and attached drawing show various features of the invention.It should be understood that those skilled in the art can To prepare suitable computer code, to execute each step and process described above and shown in the drawings.It should also be understood that all Terminal, computer, server and network can be any kind of, and can come according to the present invention preparing computer generation Code, to implement the present invention by using relevant device.

There is disclosed herein the particular embodiment of the present invention.Those skilled in the art will readily appreciate that, of the invention It can be applied to other environment.In fact, there are many embodiments and embodiments.The appended claims are not intended to this The range of invention is limited to above-mentioned specific embodiment.In addition, any reference to " equipment being used for ... " is all in explanation facilities Add function, to describe element and claim, and is not intended to manage the element of any unreferenced " equipment being used for ... " Solution is the element of means-plus-function, even if it is also such for including word " equipment " in claim.

It is very bright although having been illustrated with one or more specific preferred embodiments and the present invention having been described Aobvious, those skilled in the art is after reading and understanding foregoing description and attached drawing it is contemplated that equivalent modifications and modification.Especially Be for the various functions of being executed by said elements (part, component, equipment and form etc.), unless otherwise prescribed, Otherwise wish that the term (including the reference to " equipment ") for describing these elements corresponds to the specific function for executing these elements Any element (that is, functional equivalent), even if the element is different from executing the present invention with regard to one illustrated by dependency structure or more The element of the function of item exemplary embodiment.In addition, although describing this hair only with reference to one or more in the embodiment Bright special characteristic, but this category feature can according to need and in view of it is any given or specific application it is advantageous in terms of and and its One or more of the other feature of its embodiment combines.

Claims (29)

1. a kind of network system with local cluster, which is characterized in that the network system includes macro base station (101) and multiple Micro-base station (102);The network system further comprises:
One or more central controllers (103), the micro-base station (102) that the central controller (101) is used for be connected to Base station collaboration, resource management, interference and power coordination be provided, or using the macro base station (101) time signal carry out it is same Step;
Wherein one or more of central controllers (103) are connected to the macro base station (101);Each central controller (103) multiple micro-base stations (102) are connected to, form the local cluster, the multiple micro-base station (102) and the macro base in this way It stands and exchanges information by one or more of central controllers (103) between (101).
2. network system according to claim 1, which is characterized in that the central controller (103) with star topology or Branch's Topology connection is to multiple micro-base stations (102).
3. network system according to claim 2, which is characterized in that the micro-base station (102) is femto base station or millimicro Micro-base station or Wi-Fi access point.
4. network system according to claim 3, which is characterized in that the central controller (103) is the macro base station Plug-in unit;Or the central controller (103) is the external unit of the macro base station.
5. network system according to claim 2, which is characterized in that the central controller (103) is the macro base station Plug-in unit;Or the central controller (103) is the external unit of the macro base station.
6. network system according to claim 1, which is characterized in that the micro-base station (102) is femto base station or millimicro Micro-base station or Wi-Fi access point.
7. network system according to claim 6, which is characterized in that the central controller (103) is the macro base station Plug-in unit;Or the central controller (103) is the external unit of the macro base station.
8. network system according to claim 1, which is characterized in that the central controller (103) is the macro base station Plug-in unit;Or the central controller (103) is the external unit of the macro base station.
9. according to claim 1 to network system described in any claim in 8, which is characterized in that the central controller (103) dedicated for user equipment is reconfigured to another micro-base station from a micro-base station.
10. network system according to claim 9, which is characterized in that the central controller (103) is described for adjusting The power of micro-base station (102);The user equipment is used to search the power of the element adjustment;And
Power of the user equipment based on the adjustment and micro-base station chain rupture are simultaneously re-attached to another micro-base station.
11. according to claim 1 to network system described in any claim in 8, which is characterized in that the central controller (103) for the beam selection using face-to-face wave beam to avoid two wave beams of transmission simultaneously.
12. according to claim 1 to network system described in any claim in 8, which is characterized in that the central controller (103) time signal dedicated for using the macro base station synchronizes the micro-base station (102).
13. network system according to claim 12, which is characterized in that one for there was only the micro-base station of the synchronization every time Wave beam is activation.
14. according to claim 1 to network system described in any claim in 8, which is characterized in that the central controller (103) dedicated for being loaded in combination by the distribution of intelligent frequency across the micro-base station or the user across the micro-base station Weighing apparatus or the optimal energy allocation of the micro-base station promote overall network capacity.
15. according to claim 1 to network system described in any claim in 8, which is characterized in that the central controller (103) connection between the micro-base station (102) is cable form or wireless or the two.
16. according to claim 1 to network system described in any claim in 8, which is characterized in that the network system is answered For in Universal Mobile Telecommunications System (UMTS), the central controller to be connected further to access gateway (AG).
17. according to claim 1 to network system described in any claim in 8, which is characterized in that the central controller (103) mobility management entity (MME) and gateway (S-GW) are connected further to.
18. a kind of central controller (103), which is characterized in that applied in the network system with local cluster, the center Controller (103) is connected to multiple micro-base stations, in this way formation local cluster, between the multiple micro-base station and macro base station (101) Information is exchanged by the central controller (103);The central controller (103) includes:
First receiving unit (1101), for receiving request message from one of micro-base station of the multiple micro-base station;
Control unit (1102), for based on the request message for the multiple micro-base station provide base station collaboration, resource management, Interference and power coordination, or the synchronization of the time signal progress using the macro base station (101);
First transmission unit (1103), for sending response message to the micro-base station.
19. central controller (103) according to claim 18, which is characterized in that the central controller (103) is with star Type topology or branch's Topology connection are to multiple micro-base stations.
20. central controller (103) according to claim 19, which is characterized in that the central controller (103) is macro The plug-in unit of base station;Or the central controller (103) is the external unit of the macro base station.
21. central controller (103) according to claim 18, which is characterized in that the central controller (103) is macro The plug-in unit of base station;Or the central controller (103) is the external unit of the macro base station.
22. central controller (103) described in any claim in 8 to 21 according to claim 1, which is characterized in that described Central controller (103) is dedicated for reconfiguring to another micro-base station from a micro-base station for user equipment.
23. central controller (103) according to claim 22, which is characterized in that the central controller (103) is used for Adjust the power of the micro-base station;The user equipment is used to search the power of the element adjustment;And
Power of the user equipment based on the adjustment and micro-base station chain rupture are simultaneously re-attached to another micro-base station.
24. central controller (103) described in any claim in 8 to 21 according to claim 1, which is characterized in that described Central controller (103) is used for using the beam selection of face-to-face wave beam to avoid two wave beams of transmission simultaneously.
25. central controller (103) described in any claim in 8 to 21 according to claim 1, which is characterized in that described Central controller (103) is dedicated for using the time signal of macro base station to synchronize the micro-base station.
26. central controller (103) described in any claim in 8 to 21 according to claim 1, which is characterized in that described Central controller (103) is dedicated for user's connection by the distribution of intelligent frequency across the micro-base station or across the micro-base station The optimal energy allocation of the load balancing of conjunction or the micro-base station promotes overall network capacity.
27. a kind of micro-base station (102), which is characterized in that applied in the network system with local cluster, the micro-base station (102) it is connected to central controller (103), passes through the central controller between the micro-base station (102) and macro base station (101) (103) information is exchanged;
The micro-base station (102) includes:
Second transmission unit (1201), for sending the central controller (103) for request message;Wherein the request disappears Breath is for requesting the central controller (103) to provide base station collaboration, resource management, described in interference and power coordination or use The synchronization that the time signal of macro base station (101) carries out;
Second receiving unit (1202), for receiving response message from the central controller (103).
28. micro-base station (102) according to claim 27, which is characterized in that the micro-base station (102) be femto base station, Or femto base station or Wi-Fi access point.
29. a kind of macro base station (101), which is characterized in that applied in the network system with local cluster, the macro base station (101) it is connected to one or more central controllers (103), the central controller (103) is connected to multiple micro-base stations (102), the local cluster is formed in this way, passes through described one between the multiple micro-base station (102) and the macro base station (101) A or multiple central controllers (103) exchange information;The micro-base station that the central controller (103) is used for be connected to (102) base station collaboration, resource management, interference and power coordination are provided, or carried out using the time signal of the macro base station (101) Synchronization;
The macro base station (101) includes:
Third receiving unit (1301), for receiving request message from the central controller (103);
Third transmission unit (1302), for sending the central controller (103) for response message.
CN201280074362.4A 2012-07-20 2012-07-20 Network system with local cluster, central controller, micro-base station and macro base station CN104429111B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/CN2012/000981 WO2014012192A1 (en) 2012-07-20 2012-07-20 Network system with local cluster, central controller, micro base station and macro base station

Publications (2)

Publication Number Publication Date
CN104429111A CN104429111A (en) 2015-03-18
CN104429111B true CN104429111B (en) 2019-02-19

Family

ID=49948146

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201280074362.4A CN104429111B (en) 2012-07-20 2012-07-20 Network system with local cluster, central controller, micro-base station and macro base station

Country Status (2)

Country Link
CN (1) CN104429111B (en)
WO (1) WO2014012192A1 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2525230A (en) * 2014-04-16 2015-10-21 Vodafone Ip Licensing Ltd Telecommunications system and method
EP3202202B1 (en) 2014-09-30 2019-05-01 British Telecommunications public limited company Interference detection
CN105578513B (en) * 2014-10-11 2019-02-12 电信科学技术研究院 A kind of communication means, equipment and system
CN106162931B (en) * 2015-04-08 2020-01-03 华为技术有限公司 Data transmission method and device
CN107889127A (en) * 2016-09-30 2018-04-06 英国电讯有限公司 Method for managing resource, device and the communication system of cell cluster

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004260467A (en) * 2003-02-25 2004-09-16 Ntt Docomo Inc Radio packet communication system, radio packet communication method, base station and mobile station
CN101926190A (en) * 2008-02-01 2010-12-22 高通股份有限公司 Virtual scheduling in heterogeneous networks
CN102215533A (en) * 2010-04-02 2011-10-12 电信科学技术研究院 Method and equipment for coordinating interference on control channel in heterogeneous system
CN102340344A (en) * 2010-07-27 2012-02-01 电信科学技术研究院 Method for avoiding interference between base stations in heterogeneous network, and equipment

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101557604B (en) * 2008-04-11 2012-09-05 中兴通讯股份有限公司 Method for acquiring indication information of adjacent cell and wireless access network system
GB2463001B (en) * 2008-08-11 2012-07-04 Picochip Designs Ltd Communication network
US9060311B2 (en) * 2009-05-22 2015-06-16 Broadcom Corporation Enterprise level management in a multi-femtocell network
CN102469557B (en) * 2010-11-15 2014-08-13 华为技术有限公司 Method for accessing base station, base station and user equipment

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004260467A (en) * 2003-02-25 2004-09-16 Ntt Docomo Inc Radio packet communication system, radio packet communication method, base station and mobile station
CN101926190A (en) * 2008-02-01 2010-12-22 高通股份有限公司 Virtual scheduling in heterogeneous networks
CN102215533A (en) * 2010-04-02 2011-10-12 电信科学技术研究院 Method and equipment for coordinating interference on control channel in heterogeneous system
CN102340344A (en) * 2010-07-27 2012-02-01 电信科学技术研究院 Method for avoiding interference between base stations in heterogeneous network, and equipment

Also Published As

Publication number Publication date
CN104429111A (en) 2015-03-18
WO2014012192A1 (en) 2014-01-23

Similar Documents

Publication Publication Date Title
Peng et al. Heterogeneous cloud radio access networks: A new perspective for enhancing spectral and energy efficiencies
Zheng et al. Radio resource allocation in LTE-advanced cellular networks with M2M communications
Akyildiz et al. 5G roadmap: 10 key enabling technologies
CN103959689B (en) Method and apparatus for interference management
RU2556081C1 (en) Communication system and method of its control
Asadi et al. A survey on device-to-device communication in cellular networks
Kamel et al. Ultra-dense networks: A survey
Hoydis et al. Green small-cell networks
Thota et al. Computing for Rural Empowerment: Enabled by Last-Mile Telecommunications (Extended Version)
CN104170465B (en) Realize the small cell of multiple air interfaces
US9125047B2 (en) Cloud-based radio access network for small cells
Panwar et al. A survey on 5G: The next generation of mobile communication
Peng et al. System architecture and key technologies for 5G heterogeneous cloud radio access networks
Zhang et al. Cloud assisted HetNets toward 5G wireless networks.
Landstrom et al. Heterogeneous networks–increasing cellular capacity
CN103262637B (en) For controlling equipment and the method for wireless network
Bogale et al. Massive MIMO and mmWave for 5G wireless HetNet: Potential benefits and challenges
CN103222311B (en) For the method that wireless direct link operates
Wang et al. 5G mobile: Spectrum broadening to higher-frequency bands to support high data rates
Akyildiz et al. LTE-Advanced and the evolution to Beyond 4G (B4G) systems
US8412206B2 (en) Communication system having network access structure
Jo et al. A survey of converging solutions for heterogeneous mobile networks
CN105359572B (en) For the cell network architecture of multiple network operator services
CN103493553B (en) Methods and apparatus for controlling interference from peer discovery in WWAN
Wang et al. Potentials and challenges of C-RAN supporting multi-RATs toward 5G mobile networks

Legal Events

Date Code Title Description
C06 Publication
C10 Entry into substantive examination
GR01