WO2015123805A1 - 接入系统、设备和方法 - Google Patents

接入系统、设备和方法 Download PDF

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Publication number
WO2015123805A1
WO2015123805A1 PCT/CN2014/072171 CN2014072171W WO2015123805A1 WO 2015123805 A1 WO2015123805 A1 WO 2015123805A1 CN 2014072171 W CN2014072171 W CN 2014072171W WO 2015123805 A1 WO2015123805 A1 WO 2015123805A1
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WO
WIPO (PCT)
Prior art keywords
base station
control device
designated
resources
access
Prior art date
Application number
PCT/CN2014/072171
Other languages
English (en)
French (fr)
Inventor
李红
肖登坤
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 BR112016018761A priority Critical patent/BR112016018761A8/pt
Priority to CN201480000675.4A priority patent/CN105122923B/zh
Priority to PCT/CN2014/072171 priority patent/WO2015123805A1/zh
Priority to EP14883340.3A priority patent/EP3099134B1/en
Publication of WO2015123805A1 publication Critical patent/WO2015123805A1/zh
Priority to US15/239,635 priority patent/US20160360523A1/en

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W48/00—Access restriction; Network selection; Access point selection
    • H04W48/08—Access restriction or access information delivery, e.g. discovery data delivery
    • H04W48/14—Access restriction or access information delivery, e.g. discovery data delivery using user query or user detection
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/20—Control channels or signalling for resource management
    • H04W72/29—Control channels or signalling for resource management between an access point and the access point controlling device
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J11/00—Orthogonal multiplex systems, e.g. using WALSH codes
    • H04J11/0023—Interference mitigation or co-ordination
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L47/00—Traffic control in data switching networks
    • H04L47/10—Flow control; Congestion control
    • H04L47/12—Avoiding congestion; Recovering from congestion
    • H04L47/125—Avoiding congestion; Recovering from congestion by balancing the load, e.g. traffic engineering
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L47/00—Traffic control in data switching networks
    • H04L47/10—Flow control; Congestion control
    • H04L47/29—Flow control; Congestion control using a combination of thresholds
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W16/00—Network planning, e.g. coverage or traffic planning tools; Network deployment, e.g. resource partitioning or cells structures
    • H04W16/24—Cell structures
    • H04W16/32—Hierarchical cell structures
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W28/00—Network traffic management; Network resource management
    • H04W28/02—Traffic management, e.g. flow control or congestion control
    • H04W28/0268—Traffic management, e.g. flow control or congestion control using specific QoS parameters for wireless networks, e.g. QoS class identifier [QCI] or guaranteed bit rate [GBR]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/50—Allocation or scheduling criteria for wireless resources
    • H04W72/51—Allocation or scheduling criteria for wireless resources based on terminal or device properties
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W48/00—Access restriction; Network selection; Access point selection
    • H04W48/20—Selecting an access point
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W84/00—Network topologies
    • H04W84/02—Hierarchically pre-organised networks, e.g. paging networks, cellular networks, WLAN [Wireless Local Area Network] or WLL [Wireless Local Loop]
    • H04W84/04—Large scale networks; Deep hierarchical networks
    • H04W84/042—Public Land Mobile systems, e.g. cellular systems
    • H04W84/045—Public Land Mobile systems, e.g. cellular systems using private Base Stations, e.g. femto Base Stations, home Node B
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
    • H04W88/12—Access point controller devices

Definitions

  • the present invention relates to the field of communications technologies, and in particular, to an access system, device, and method. Background technique
  • the base station When the user equipment (User Equipment, UE) requests access to the base station, the base station needs to perform an admission decision to determine whether the UE is allowed to access the base station. Acceptance decisions are critical to avoiding overloading of traffic and ensuring system stability.
  • UE User Equipment
  • the small cell base station may be referred to as a small base station.
  • the small base station and the mobility management entity may or may not be directly connected, but are respectively connected to the macro base station, and the macro base station serves as an intermediate node between the small base station and the mobility management entity.
  • the small cell can overlap with the macro cell and can also be isolated from the macro cell. For example, as shown in Fig. 1, the small cell 1, the small cell 2, and the small cell 3 overlap with the macro cell, and the small cell 4 is isolated from the macro cell.
  • the first aspect provides an access system, where the system includes: at least one control device, at least one user equipment UE, and at least one base station, where the at least one base station includes a designated base station,
  • the control device is configured to receive an access request sent by the specified base station, where the access request carries an identifier and service information of a UE requesting access to the designated base station;
  • the control device is further configured to determine, according to the resource state information of each base station that is acquired in advance and the service information, a resource that the target base station and the target base station should provide for the UE;
  • the control device is further configured to send an access response to the designated base station, where the access response carries an identifier of the UE, an identifier of the target base station, and the resource;
  • the designated base station is configured to forward the access response to the UE according to the identifier of the UE, where the UE is configured to determine, according to the identifier of the target base station, the target base station when receiving the access response Providing resources for the UE to access the target base station.
  • a control device comprising: a receiver, a transmitter, a memory, and a processor, wherein the receiver, the transmitter, and the memory are respectively connected to the processor, where The memory stores program code, and the processor is configured to invoke the program code to perform the following operations:
  • an access method includes: The control device receives the access request sent by the specified base station, where the access request carries the identifier and service information of the user equipment UE that requests access to the designated base station;
  • the control device sends an access response to the designated base station, where the access response carries the identifier of the UE, the identifier of the target base station, and the resource, so that the designated base station according to the identifier of the UE
  • the UE forwards the access response, and the UE accesses the target base station based on the identifier of the target base station and the resource provided by the target base station for the UE when receiving the access response.
  • the control device determines, according to resource state information of each base station that is acquired in advance, and the device information, that the target base station and the target base station should be
  • the resources provided by the UE include:
  • control device determines that the designated base station is capable of providing resources for the UE, determining the designated base station as the target base station, and determining the resource according to the resource status information of the specified base station and the device information. ;
  • control device determines that the designated base station cannot provide resources for the UE, determining, according to resource state information of other base stations other than the designated base station, a base station capable of providing resources for the UE as the target base station, And determining the resource according to the resource status information of the target base station and the device information.
  • the resource state information of the base station includes a current load quantity and a remaining resource quantity
  • the control device is configured according to the resource of the specified base station
  • the status information, determining whether the specified base station can provide resources for the UE includes: the control device determining whether a current load quantity of the designated base station is less than a first preset threshold, when a current load quantity of the designated base station is smaller than a Determining, by the first preset threshold, that the designated base station is capable of Providing resources for the UE; or,
  • a third possible implementation manner of the third aspect when the control device determines that the designated base station cannot provide resources for the UE, according to the designated base station
  • the resource status information of the other base stations, and the base station that is capable of providing resources for the UE is determined to be the target base station, including:
  • the control device determines that the designated base station cannot provide resources for the UE, determining, by the base station that is the least load in the other base stations other than the designated base station, the target base station; or, when the control device determines When the designated base station cannot provide resources for the UE, the base station that has the largest amount of remaining resources among other base stations other than the designated base station is determined as the target base station.
  • the sending, by the control device, the access response to the designated base station includes:
  • the control device sends a first access response to the designated base station, where the first access response carries an identifier of the UE, an identifier of the designated base station, and a location Determining, by the specified base station, a resource that is provided by the UE, and the first access response is used to confirm the access request, so that the designated base station forwards the first to the UE according to the identifier of the UE.
  • An access response the UE accessing the designated base station based on the identifier of the designated base station and the resource provided by the designated base station for the UE when receiving the first access response; or
  • the control device sends a second access response to the designated base station, where the second access response carries the identifier of the UE, An identifier of a base station and a resource that the first base station should provide for the UE, so that the designated base station forwards the second access response to the UE according to the identifier of the UE, where the UE receives
  • the second access response is based on the identifier of the first base station and the resource provided by the first base station for the UE, and accesses the first base station.
  • the control device determines, according to resource state information of each base station that is acquired in advance, and the device information, that the target base station and the target base station should be After the resources provided by the UE, the method further includes:
  • the control device schedules resources for the UE according to resources that the target base station should provide for the UE.
  • the control device determines, according to resource state information of each base station that is acquired in advance, and the device information, that the target base station and the target base station should be After the resources provided by the UE, the method further includes:
  • the first access response carries a scheduling identifier, so that when the specified base station receives the first access response, according to the identifier of the UE and the designation
  • the base station shall provide resources for the UE, and schedule resources for the UE; or
  • the control device sends an access message to the first base station, where the access message carries the identifier of the UE and the resource, so that the first base station
  • the access message carries the identifier of the UE and the resource, so that the first base station
  • the control device When receiving the access message, scheduling resources for the UE according to the identifier of the UE and the resource that the first base station should provide for the UE.
  • the designated base station is a macro base station or a small base station.
  • the method when the designated base station is a macro base station, before receiving the access request sent by the designated base station, the method further includes: :
  • the macro base station When the macro base station receives the access request sent by the UE, and determines, according to the resource status information of the macro base station, that the macro base station cannot provide resources for the UE, the pre-acquisition is obtained according to the acquired control devices.
  • the resource state information selection control device of each base station sends the access request to the selected control device, and the selected control device performs the step of receiving the access request.
  • control device is located at a base station connected to the macro base station.
  • the system, device, and method provided by the embodiments of the present invention increase the interface between the control device and the base station by introducing a control device, define signaling between the control device and the base station, and design an interaction process between the control device and the base station,
  • the control device determines, according to the resource status information of each base station and the service information of the UE, the target base station accessed by the UE and the resource that the target base station should provide for the UE, and can coordinate resources between the base stations, thereby improving the overall Resource utilization improves service quality and system throughput.
  • the control device since the control device has acquired resource state information of each base station, interference caused by new UE access can be avoided.
  • 1 is a schematic diagram of coverage of a macro cell and a small cell
  • FIG. 2 is a schematic structural diagram of an access system according to an embodiment of the present invention.
  • FIG. 3 is a schematic structural diagram of a control device according to an embodiment of the present invention.
  • FIG. 5 is a flowchart of an access method according to an embodiment of the present invention.
  • FIG. 6 is a flowchart of an access method according to an embodiment of the present invention.
  • FIG. 7 is a flowchart of an access method according to an embodiment of the present invention.
  • FIG. 8 is a flowchart of an access method according to an embodiment of the present invention.
  • FIG. 9 is a schematic diagram of coverage of a macro base station and a small base station
  • 10 is a schematic diagram of coverage of a macro base station and a small base station
  • FIG. 11 is a schematic diagram of coverage of a macro base station and a small base station. detailed description
  • the system includes: at least one control device 201, at least one UE 202, and at least one base station, where the at least one base station includes a designated base station 203.
  • the control device 201 is configured to receive an access request sent by the designated base station 203, where the access request carries an identifier and service information of the UE 202 requesting access to the designated base station 203;
  • the control device 201 is further configured to determine, according to the resource state information of each base station acquired in advance and the service information, a target base station and a resource that the target base station should provide for the UE 202;
  • the control device 201 is further configured to send an access response to the designated base station 203, where the access response carries an identifier of the UE 202, an identifier of the target base station, and the resource;
  • the designated base station 203 is configured to forward the access response to the UE 202 according to the identifier of the UE 202.
  • the UE 202 is configured to: based on the identifier of the target base station and the resource provided by the target base station for the UE 202, when the access response is received, Access to the target base station.
  • the system provided by the embodiment of the present invention increases the interface between the control device and the base station by introducing a control device, defines signaling between the control device and the base station, and designs an interaction process between the control device and the base station, where the control device is configured according to the
  • the resource status information of each base station and the service information of the UE determine the target base station to which the UE accesses and the resources that the target base station should provide for the UE, and can coordinate resources between the base stations, thereby improving overall resource utilization. Improved service quality and system throughput.
  • the control device since the control device has acquired resource state information of each base station, interference caused by new UE access can be avoided.
  • control device 201 is further configured to: when determining that the designated base station 203 can provide resources for the UE 202, determine the designated base station 203 as the target base station, and according to the resource status information of the designated base station 203 and the device information. Determine the resource;
  • the control device 201 is further configured to: when determining that the designated base station 203 cannot provide resources for the UE 202, determine, according to resource state information of other base stations other than the designated base station 203, a base station that can provide resources for the UE 202 as the target base station, And determining the resource according to the resource status information of the target base station and the device information.
  • the resource state information of the base station includes a current load amount and a remaining resource amount
  • the parameter 201 is further configured to determine whether the current load quantity of the designated base station 203 is less than a first preset threshold. When the current load quantity of the designated base station 203 is less than the first preset threshold, determining that the designated base station 203 can provide resources for the UE 202. ; or,
  • the control device 201 is further configured to determine whether the remaining resource quantity of the designated base station 203 is greater than a second preset threshold. When the remaining resource quantity of the designated base station 203 is greater than the second preset threshold, determining that the designated base station 203 can be the UE 202 provides resources.
  • control device 201 is further configured to: when determining that the designated base station 203 cannot provide resources for the UE 202, determine, by using the base station that has the lowest current load in the other base stations other than the designated base station 203 as the target base station; or
  • the control device 201 is further configured to determine, when the designated base station 203 cannot provide resources for the UE 202, the base station that has the largest amount of remaining resources in other base stations other than the designated base station 203 as the target base station.
  • control device 201 is further configured to: when the target base station is the designated base station 203, send a first access response to the designated base station 203, where the first access response carries the identifier of the UE 202, and the designated base station 203 The identifier and the resource that the designated base station 203 should provide for the UE 202, and the first access response is used to confirm the access request, so that the designated base station 203 forwards the first access to the UE 202 according to the identifier of the UE 202.
  • the UE 202 accesses the designated base station 203 based on the identifier of the designated base station 203 and the resource provided by the designated base station 203 for the UE 202 when receiving the first access response; or
  • the control device 201 is further configured to: when the target base station is the first base station other than the designated base station 203, send a second access response to the designated base station 203, where the second access response carries the UE 202 The identifier, the identifier of the first base station, and the resource that the first base station should provide for the UE 202, so that the designated base station 203 forwards the second access response to the UE 202 according to the identifier of the UE 202, and the UE 202 receives the first When the second access response is received, the first base station is accessed based on the identifier of the first base station and the resource provided by the first base station for the UE 202.
  • control device 201 is further configured to schedule resources for the UE 202 according to resources that the target base station should provide for the UE 202.
  • the first access response carries a scheduling identifier, so that when the designated base station 203 receives the first access response, according to the identifier of the UE 202 and the designated base station.
  • 203 should be the resource provided by the UE 202, and the resource is scheduled for the UE 202; or, when the target base station is the first base station, the control device 201 is further configured to send an access message to the first base station, where the access message carries The identifier of the UE 202 and the resource enable the first base station to schedule resources for the UE 202 according to the identifier of the UE 202 and the resources that the first base station should provide for the UE 202 when receiving the access message.
  • the designated base station 203 is a macro base station or a small base station.
  • the macro base station when the macro base station receives the access request sent by the UE 202, and determines that the macro base station cannot provide resources for the UE 202 according to the resource status information of the macro base station, the macro base station obtains in advance according to the obtained each control device 201.
  • the resource status information selection control device 201 of each base station transmits the access request to the selected control device 201, and the selected control device 201 performs the step of receiving the access request.
  • control device 201 is located at a base station connected to the macro base station.
  • 3 is a schematic structural diagram of a control device according to an embodiment of the present invention.
  • the control device includes: a receiver 301, a transmitter 302, a memory 303, and a processor 304.
  • the receiver 301 and the transmitter 302 And the memory 303 is respectively connected to the processor 304.
  • the memory 303 stores program code, and the processor 304 is configured to call the program code to perform the following operations:
  • the transmitter 302 Sending, by the transmitter 302, an access response to the designated base station, where the access response carries the identifier of the UE, the identifier of the target base station, and the resource, so that the designated base station forwards the access to the UE according to the identifier of the UE.
  • the UE accesses the target base station based on the identifier of the target base station and the resource provided by the target base station for the UE when receiving the access response.
  • the control device increases the interface between the control device and the base station by introducing a control device, defines signaling between the control device and the base station, and designs an interaction process between the control device and the base station, and the control device is configured by the control device. Determining, by the resource status information of each base station and the service information of the UE, the target base station accessed by the UE and the resource that the target base station should provide for the UE, and can coordinate resources between the base stations, thereby improving overall resource utilization. , improved service quality and system throughput. Moreover, since the control device has acquired resource state information of each base station, interference caused by new UE access can be avoided.
  • processor 304 is further configured to invoke the program code, and perform the following operations:
  • the designated base station When it is determined that the designated base station is capable of providing resources for the UE, determining the designated base station as the target base station, and determining the resource according to the resource status information of the designated base station and the device information;
  • the designated base station When it is determined that the designated base station cannot provide resources for the UE, determining, according to resource state information of other base stations other than the designated base station, a base station capable of providing resources for the UE as the target base station, and according to resource status information of the target base station And the device information determines the resource.
  • the resource status information of the base station includes a current load quantity and a remaining resource quantity
  • the processor 304 is further configured to invoke the program code, and perform the following operations:
  • the processor 304 is further configured to invoke the program code, and perform the following operations: when it is determined that the designated base station cannot provide resources for the UE, determine, by using a base station that has a minimum current load amount among other base stations other than the designated base station, The target base station; or,
  • the base station having the largest amount of remaining resources among other base stations other than the designated base station is determined as the target base station.
  • the processor 304 is further configured to invoke the program code, and perform the following operations: when the target base station is the designated base station, send a first access response to the designated base station, where the first access response carries the UE The identifier, the identifier of the designated base station, and the resource that the designated base station should provide for the UE, and the first access response is used to confirm the access request, so that the designated base station forwards the request to the UE according to the identifier of the UE. a first access response, the UE accessing the designated base station based on the identifier of the designated base station and the resource provided by the designated base station for the UE when receiving the first access response; or
  • the target base station is the first base station other than the designated base station
  • send a second access response to the designated base station where the second access response carries the identifier of the UE, the identifier of the first base station, and the first base station should Providing the resource for the UE
  • the designated base station forwarding the second access response to the UE according to the identifier of the UE, and when receiving the second access response, the UE is based on the identifier of the first base station and the
  • the first base station provides resources provided by the UE, and accesses the first base station.
  • the processor 304 is further configured to invoke the program code, and perform the following operations: scheduling resources for the UE according to resources that the target base station should provide for the UE.
  • the processor 304 is further configured to invoke the program code, to perform the following operations: when the target base station is the designated base station, the first access response carries a scheduling identifier, so that the designated base station receives the first When the access response is received, the resource is scheduled for the UE according to the identifier of the UE and the resource that the designated base station should provide for the UE; or
  • the target base station is the first base station, sending an access message to the first base station, where the access message carries the identifier of the UE and the resource, so that when the first base station receives the access message, according to the The identity of the UE and the resources that the first base station should provide for the UE, scheduling resources for the UE.
  • the designated base station is a macro base station or a small base station.
  • processor 304 is further configured to invoke the program code, and perform the following operations:
  • the macro base station When the macro base station receives the access request sent by the UE, and determines, according to the resource status information of the macro base station, that the macro base station cannot provide resources for the UE, the resources of each base station acquired in advance according to the acquired each control device
  • the status information selection control device transmits the access request to the selected control device, and the selected control device performs the step of receiving the access request.
  • FIG. 4 is a flowchart of an access method according to an embodiment of the present invention. Referring to FIG. 4, the method includes:
  • the control device receives an access request sent by the specified base station, where the access request carries the identifier and service information of the UE requesting access to the designated base station.
  • the control device determines, according to the resource state information of each base station acquired in advance and the service information, a target base station and a resource that the target base station should provide for the UE.
  • the control device sends an access response to the designated base station, where the access response carries the identifier of the UE, the identifier of the target base station, and the resource, so that the designated base station forwards the access to the UE according to the identifier of the UE.
  • the UE accesses the target base station based on the identifier of the target base station and the resource provided by the target base station for the UE when receiving the access response.
  • the method provided by the embodiment of the present invention increases the interface between the control device and the base station by introducing a control device, defines signaling between the control device and the base station, and designs an interaction process between the control device and the base station, where the control device is configured according to the
  • the resource status information of each base station and the service information of the UE determine the target base station to which the UE accesses and the resources that the target base station should provide for the UE, and can coordinate resources between the base stations, thereby improving overall resource utilization. Improved service quality and system throughput.
  • FIG. 5 is a flowchart of an access method according to an embodiment of the present invention.
  • the control device is connected to at least one small base station, where the designated base station is the first small base station in the at least one small base station, see FIG.
  • the method includes:
  • Each small base station sends resource status information of each d and the base station to the control device.
  • control device may be a network node or a function module, and the control device is connected to the at least one small base station, where the control device may be directly connected to the at least one small base station, and the at least one small base station is further connected. It can be connected to other small base stations, and the control device is indirectly connected to the other small base stations.
  • Each of the small base stations connected to the control device sends the resource status information to the control device, where the resource status information can be used to indicate the load status and resource utilization of each small base station, so that the control device acquires the resource status of each small base station.
  • the information according to the obtained resource state information, coordinates resources of each small base station.
  • each small base station periodically sends resource status information of each small base station to the control device; or, the control device periodically sends a resource information request to each small base station, where each small base station receives the resource information.
  • the resource status information is sent to the control device; or when any small base station receives the resource information reporting instruction, the resource status information of the small base station is sent to the control device connected to the small base station, and the resource information reporting instruction may be The operation trigger or periodic trigger is reported by the maintenance personnel.
  • the specific process of the resource information of each small base station to the control device is not limited in the embodiment of the present invention.
  • the resource status information may include information such as a current load quantity, a remaining resource quantity, and a resource utilization rate of the small base station, which is not limited in this embodiment of the present invention.
  • the UE sends an access request to the first small base station, where the access request carries the identifier and service information of the UE.
  • the identifier of the UE may be a device number, a phone number, and the like of the UE, and the service information may include a service type, a priority, an access reason, and the like to be processed by the UE, for example, the service type may be a voice service or a video service. , Web services, etc., the access reasons can be emergency calls, load balancing or mobile switching.
  • the control device may determine, according to information about the service type, priority, and access reason of the UE, which base station accesses the UE and the resource that the base station accessing the UE should provide for the UE.
  • the access request may also carry the location information of the UE, the measurement report of the UE, or other information, which is not limited in this embodiment of the present invention.
  • the identifier of the first small base station is used to uniquely determine the first small base station, and may be an address or a base station number of the first small base station, which is not limited in this embodiment of the present invention.
  • the first small base station carries the identifier of the first small base station when the access request is sent to the control device, and the control device may return the connection to the first node and the base station according to the identifier of the first base station. The response to the request.
  • control device When the control device receives the access request sent by the first small base station, determine whether the current load quantity of the first small base station is less than a first preset threshold. If yes, go to step 505. If no, perform the step. 510.
  • the first preset threshold may be preset or determined according to the average value of the current load of each small base station, which is not limited by the embodiment of the present invention.
  • the first small base station can be considered to be able to provide resources for the UE, and the first small base station is determined as the target base station.
  • the first small base station may be considered as unable to provide resources for the UE.
  • step 504 may be replaced by any one of the following:
  • Step 510 When the control device receives the access request sent by the first small base station, it is determined whether the remaining resource quantity of the first small base station is greater than the second preset threshold. If yes, go to step 505, if no, execute Step 510.
  • the second preset threshold may be preset, or may be determined according to an average value of the remaining resources of each small base station, which is not limited by the embodiment of the present invention.
  • the first small base station can be considered to provide resources for the UE, and the first small base station is determined to be the target base station.
  • step 5042 When the control device receives the access request sent by the first small base station, determine the first Whether the current load of the first small base station is greater than the second preset threshold, and the current load quantity of the first small base station is less than the first preset threshold. If the remaining resource quantity of the first small base station is greater than the second preset threshold, step 505 is performed, otherwise step 510 is performed.
  • the control device determines the first The small base station can provide resources for the UE, and when the current load quantity of the first small base station is not less than a first preset threshold, or the remaining resource quantity of the first small base station is not greater than the second preset threshold, the control The device can determine that the first small base station cannot provide resources for the UE.
  • step 505 is performed, when the second preset threshold is greater than the second preset threshold.
  • step 510 is performed.
  • the control device may determine the first A small base station can provide resources for the UE, and when the current load quantity of the first small base station is not less than a first preset threshold, and the remaining resource quantity of the first small base station is not greater than the second preset threshold, The control device determines that the first small base station is not capable of providing resources for the UE.
  • control device may separately determine various information such as a current load quantity, a remaining resource quantity, and a resource utilization rate of the first small base station, and may determine the first information when any type of information meets a preset condition.
  • the small base station can provide resources for the UE, or the information that the first small base station can provide resources for the UE is determined by the embodiment of the present invention. Further, in the embodiment of the present invention, the control device preferentially determines whether the first small base station can provide resources for the UE, and when the first small base station cannot provide resources for the UE, The external small base station performs the determination as an example for description.
  • control device may separately determine all the small base stations connected to the control device, and select a small base station that can provide resources for the UE.
  • the embodiment of the present invention is only an example of an admission control algorithm.
  • the control device may also perform judgment based on other admission control algorithms.
  • the embodiment of the present invention does not constitute a limitation on the admission control algorithm.
  • the control device determines the first small base station as the target base station, and determines, according to the resource state information of the first small base station and the service information, a resource that the first small base station should provide for the UE.
  • the target base station is configured to provide resources for the UE.
  • the control device determines the first small base station as the target base station, it may be based on information such as a current load quantity, a remaining resource quantity, and a resource utilization of the first small base station, and a service type, priority, and access of the UE.
  • the information such as the cause determines the resources that the first small base station should provide for the UE.
  • the control device determines a target base station as an example for description.
  • the control device may determine multiple target base stations and recommend to the UE, where the UE is from the multiple target base stations.
  • One of the target base stations is selected to send an access request to the selected target base station to access the selected target base station upon receiving the access acknowledgement response of the selected target base station.
  • the number of target base stations determined by the control device is not limited in the embodiment of the present invention.
  • the control device sends a first access response to the first node, where the first access response carries an identifier of the UE, an identifier of the first small base station, and the first base station should provide the UE resource of.
  • the control device when determining the target base station, sends an access response to the first small base station, where the access response carries the identifier of the UE, the identifier of the target base station, and the target base station should be the Resources provided by the UE.
  • the control device sends the first access response to the first base station, and the identifier of the target base station carried by the first access response is the first small base station.
  • the control device sends the second access response to the first base station, and the identifier of the target base station carried by the second access response is the second small base station.
  • the first small base station receives the first access response, according to the resource that the first small base station determines that the first small base station should provide for the UE, scheduling resources for the UE.
  • the first access response is used to confirm the access request, and when the first access is received by the base station, the first access response is parsed and determined.
  • the base station identifier carried by the first access response is an identifier of the first small base station, and the resource of the first small base station is scheduled for the UE according to the resource determined by the control device, so that the UE is subsequently accessed based on the scheduled resource.
  • the first small base station selects a resource scheduling from the remaining resources to the UE.
  • the first small base station is used as the example for the UE to allocate resources, and in fact, the control device or other small base station may also allocate resources for the UE, which is in the embodiment of the present invention. This is not limited.
  • the first terminal the base station sends the first access response to the UE according to the identifier of the UE.
  • the first base station forwards the received first access response to the UE as an example.
  • the first small base station may further determine the target carried by the first access response. Whether the base station identifier is the identifier of the first small base station, if yes, the first small base station sends an access confirmation response to the UE, if not, the first ' ⁇ , the base station sends an access rejection response to the UE, where the connection The incoming reject response carries the identity of the target base station.
  • the UE accesses the first small base station based on the identifier of the first base station and the resource provided by the first small base station for the UE, and ends.
  • the first small base station has allocated resources for the UE, and when the UE receives the first access response, parses the first access response to obtain the first small base station. And the identifier and the resource provided by the first small base station for the UE, the resource configuration process may be performed based on the resource, and the connection establishment complete message is sent to the first small base station when the resource configuration is completed, so that the UE accesses the first small Base station.
  • the control device sorts the current load quantity of the small base stations other than the first small base station, and determines the second small base station that has the smallest current load quantity among the small base stations other than the first small base station as the target base station.
  • the first small base station may be considered as being unable to provide resources for the UE, and the control device is the first small
  • the current small load of the small base stations other than the base station is sorted, and the second small base station with the smallest current load among the small base stations other than the first small base station is selected, and the second small base station is determined as the target base station.
  • the step 510 may be replaced by: the control device sorting the remaining resources of the small base station other than the first small base station, other than the first small base station.
  • the second small base station having the largest remaining amount of resources in the small base station is determined as the target base station.
  • the control device determines, according to the resource status information of the second small base station and the service information, the resource that the second small base station should provide for the UE, and performs step 512 and step 514.
  • This step 511 is similar to step 505, and details are not described herein again.
  • the control device sends a second access response to the first small base station, where the second access response carries an identifier of the UE, an identifier of the second small base station, and a resource that the second small base station should provide for the UE. .
  • the second access response When the second access response is received by the first base station, the second access response is parsed, and the identifier of the base station carried by the second access response is determined as the identifier of the second small base station, that is, the identifier
  • the second small base station is the target base station, and then the second access response is forwarded to the UE without scheduling resources for the UE.
  • the control device sends an access message to the second small base station, where the access message carries an identifier of the UE and a resource that the second small base station should provide for the UE.
  • the second small base station When the second small base station receives the access message, scheduling resources of the second small base station for the UE according to the identifier of the UE and the resource that the second small base station should provide for the UE.
  • the UE When the UE receives the second access response, access the second small base station based on the identifier of the second small base station and the resource provided by the second small base station.
  • control device after the control device is introduced, an interface between the control device and the small base station is added, signaling between the control device and the small base station is defined, and the control device and the small base station are designed.
  • the interaction process between the two devices realizes the coordination of the resources of the small base stations and realizes the purpose of the UE accessing the small base stations.
  • the method provided by the embodiment of the present invention increases the interface between the control device and the base station by introducing a control device, defines signaling between the control device and the base station, and designs an interaction process between the control device and the base station, where the control device is configured according to the
  • the resource status information of each base station and the service information of the UE determine the target base station to which the UE accesses and the resources that the target base station should provide for the UE, and can coordinate resources between the base stations, thereby improving overall resource utilization. Improved service quality and system throughput.
  • the control device since the control device has acquired resource state information of each base station, interference caused by new UE access can be avoided.
  • FIG. 6 is a flowchart of an access method according to an embodiment of the present invention.
  • the control device is connected to at least one small base station, and the designated base station is a first small base station in the at least one small base station.
  • the embodiment shown in FIG. 6 is different from the embodiment shown in FIG. 5 in that, in the embodiment shown in FIG. 6, the control device schedules resources for the UE, instead of the first small base station or the second small base station. A resource is scheduled for the UE. See Figure 6, which includes:
  • Each small base station sends resource state information of each small base station to the control device.
  • the UE sends an access request to the first node and the base station, where the access request carries the identity and service information of the UE.
  • control device When the control device receives the access request sent by the first small base station, determine whether the current load quantity of the first small base station is less than a first preset threshold. If yes, go to step 605. If no, perform the step. 610.
  • the control device determines the first small base station as the target base station, and determines, according to the resource state information of the first small base station and the service information, a resource that the first small base station should provide for the UE.
  • the control device determines, according to the determined resource that the first small base station should provide for the UE, The UE schedules resources of the first small base station.
  • the control device sends a first access response to the first node, where the first access response carries an identifier of the UE, an identifier of the first base station, and a resource that the control device schedules for the UE.
  • the UE accesses the first small base station according to the identifier of the first base station and the resource scheduled by the control device for the UE, and ends.
  • the control device sorts the current load quantity of the small base stations other than the first small base station, and determines the second small base station that minimizes the current load quantity of the small base stations other than the first small base station as the target base station.
  • the control device determines, according to resource state information of the second small base station and the service information, a resource that the second small base station should provide for the UE.
  • the control device schedules resources of the second small base station for the UE according to the determined resource that the first small base station should provide for the UE.
  • the control device sends a second access response to the first node, where the second access response carries an identifier of the UE, an identifier of the second small base station, and a resource that the control device schedules for the UE.
  • the UE accesses the second small base station according to the identifier of the second small base station and the resource scheduled by the control device for the UE, and ends.
  • the method provided by the embodiment of the present invention increases the interface between the control device and the base station by introducing a control device, defines signaling between the control device and the base station, and designs an interaction process between the control device and the base station, where the control device is configured according to the
  • the resource status information of each base station and the service information of the UE determine the target base station to which the UE accesses and the resources that the target base station should provide for the UE, and can coordinate resources between the base stations, thereby improving overall resource utilization. Improved service quality and system throughput. And since the control device has acquired the resource status information of each base station, the new UE access band can be avoided.
  • FIG. 7 is a flowchart of an access method according to an embodiment of the present invention.
  • the control device is connected to at least one macro base station and at least one small base station, and correspondingly, one macro base station is connected to at least one control device.
  • the embodiment shown in FIG. 7 is different from the embodiment shown in FIG. 5 in that the designated base station in the embodiment shown in FIG. 7 is a macro base station, not a small base station.
  • the embodiment shown in FIG. 7 is different from the embodiment shown in FIG. 6 in that, in the embodiment shown in FIG. 7, the macro base station schedules resources for the UE, instead of the small base station scheduling resources for the UE.
  • the method includes:
  • Each small base station sends resource status information of each d and the base station to the control device that is connected to each other.
  • each control device is configured to coordinate resources of respective connected small base stations, and each macro base station is configured to select a control device according to resource state information corresponding to the connected control device.
  • Each control device sends resource status information of each of the small base stations to the connected macro base station.
  • Each of the small base stations includes a small base station located in a macro cell corresponding to the macro base station, and may further include a small base station located at an edge of a neighboring macro cell of the macro cell outside the macro cell. Then, the control device sends, to the macro base station, resource state information of all the small base stations in the macro cell and the neighboring macro cell edge small base stations.
  • each control device periodically sends the acquired resource state information of each small base station to the respective connected macro base station; or, each macro base station periodically sends a resource information request to each connected control device, and each control device
  • each control device When receiving the resource information request of the macro base station, transmitting, to the macro base station, resource state information of each small base station acquired by each control device; or, when any control device receives the resource information reporting instruction, connecting to the control device
  • the macro base station sends the resource status information of each small base station acquired by the control device.
  • the embodiment of the present invention does not limit the manner in which the resource status information is sent.
  • the embodiment of the present invention sends the resource status of each small base station to the macro base station by using the control device.
  • the information is used as an example for description.
  • the control device may perform statistics on the resource state information of each small base station, and obtain total resource state information corresponding to the control device, such as the total load. And transmitting, to the macro base station, the subsequent macro base station, according to the total resource status information, determining whether the control device can be the
  • the UE provides resources.
  • the UE sends an access request to the macro base station, where the access request carries the identifier and service information of the UE.
  • the macro base station determines, according to the resource status information of the macro base station and the service information, whether the macro base station can provide resources for the UE, and if yes, executing step 705, if no, performing steps 708.
  • the manner in which the macro base station determines whether the resource can be provided for the UE is similar to the manner in which the control device determines whether the first small base station can provide resources for the UE, and details are not described herein again.
  • the macro base station determines a resource that should be provided for the UE, and schedules resources for the UE according to resources that the macro base station should provide for the UE.
  • the macro base station sends a first access response to the UE, where the first access response carries an identifier of the UE, an identifier of the macro base station, and a resource scheduled by the macro base station for the UE.
  • the UE accesses the macro base station according to the identifier of the macro base station and the resource scheduled by the macro base station for the UE, and ends.
  • the macro base station selects, according to resource state information sent by each control device, a first control device that can provide resources for the UE.
  • the macro base station selects a control device with the smallest total load according to the total resource state information sent by each control device, or selects a control device with the largest total remaining resource amount.
  • the step 708 can be replaced by the following steps: When the macro base station determines that the macro base station and each small base station to which each control device is connected cannot provide resources for the UE, send a reject access response to the UE.
  • the macro base station may further calculate, according to the resource state information of the macro base station and the resource state information of the each small base station, a duration that the UE needs to wait, and send the UE to the UE, so that the UE is in the phase. After the length of time, the access request is resent to the macro base station.
  • the macro base station sends an access request to the first control device, where the access request carries an identifier of the UE, service information, and an identifier of the macro base station.
  • the first control device When the first control device receives the access request, determine, that the target base station and the target base station should provide resources for the UE.
  • the manner in which the first control device determines the target base station and the resource that the target base station should provide for the UE is similar to the foregoing steps 304-305, 310-311, and details are not described herein again.
  • the first control device sends a second access response to the macro base station, where the second access response carries an identifier of the UE, an identifier of the target base station, and a resource that the target base station should provide for the UE.
  • the macro base station receives the second access response, according to the resource that the target base station determines that the target base station should provide for the UE, scheduling resources for the UE.
  • the macro base station sends the second access response to the UE according to the identifier of the UE.
  • the UE accesses the target base station based on the identifier of the target base station and the resource scheduled by the macro base station for the UE, and ends.
  • the method provided by the embodiment of the present invention increases the interface between the control device and the base station by introducing a control device, defines signaling between the control device and the base station, and designs an interaction process between the control device and the base station, where the control device is configured according to the
  • the resource status information of each base station and the service information of the UE determine the target base station to which the UE accesses and the resources that the target base station should provide for the UE, and can coordinate resources between the base stations, thereby improving overall resource utilization. Improved service quality and system throughput.
  • the control device since the control device has acquired resource state information of each base station, interference caused by new UE access can be avoided.
  • FIG. 8 is a flowchart of an access method according to an embodiment of the present invention.
  • the control device is connected to at least one macro base station and at least one small base station, and correspondingly, one macro base station is connected to at least one control device.
  • the embodiment shown in FIG. 8 is different from the embodiment shown in FIG. 7 in that, in the embodiment shown in FIG. 8, when the first control device determines the target base station, the first control device schedules resources for the UE, and Not by The macro base station schedules resources for the UE.
  • the method includes:
  • Each small base station sends resource status information of each d and the base station to the control device that is connected to each other.
  • Each control device sends resource status information of each of the small base stations to the connected macro base station.
  • the UE sends an access request to the macro base station, where the access request carries the identifier and service information of the UE.
  • the macro base station determines, according to the resource status information of the macro base station and the service information, whether the macro base station can provide resources for the UE, and if yes, performing step 805, if no, performing steps 808.
  • the macro base station determines a resource that should be provided by the UE, and schedules resources for the UE according to the resource that the macro base station should provide for the UE.
  • the macro base station sends a first access response to the UE, where the first access response carries an identifier of the UE, an identifier of the macro base station, and a resource scheduled by the macro base station for the UE.
  • the UE accesses the macro base station according to the identifier of the macro base station and the resource scheduled by the macro base station for the UE, and ends.
  • the macro base station selects, according to resource state information sent by each control device, a first control device that can provide resources for the UE.
  • the macro base station sends an access request to the first control device, where the access request carries an identifier of the UE, service information, and an identifier of the macro base station.
  • the first control device When the first control device receives the access request, determine, that the target base station and the target base station should provide resources for the UE.
  • the first control device schedules resources of the target base station for the UE according to the determined resource that the target base station should provide for the UE.
  • the first control device sends a second access response to the macro base station, where the second access response carries an identifier of the UE, an identifier of the target base station, and a resource that the target base station should provide for the UE.
  • the UE accesses the target base station according to the identifier of the target base station and the resource scheduled by the macro base station for the UE, and ends.
  • the method provided by the embodiment of the present invention increases the interface between the control device and the base station by introducing a control device, defines signaling between the control device and the base station, and designs an interaction process between the control device and the base station, where the control device is configured according to the
  • the resource status information of each base station and the service information of the UE determine the target base station to which the UE accesses and the resources that the target base station should provide for the UE, and can coordinate resources between the base stations, thereby improving overall resource utilization. Improved service quality and system throughput.
  • the control device since the control device has acquired resource state information of each base station, interference caused by new UE access can be avoided. The process of inserting the control device into the control device will be described below.
  • FIG. 9 is a schematic diagram of coverage of a macro base station and a small base station.
  • a macro base station and a small base station are covered by a carrier frequency, and small base stations in the same cluster are connected to each other.
  • a small base station directly connected to the macro base station can be selected.
  • the control device or additionally introducing a network node as the control device, the network node is connected to the macro base station and connected to any small base station in the cluster.
  • FIG. 10 is a schematic diagram of coverage of a macro base station and a small base station.
  • the macro base station and the small base station have different carrier frequency coverage, and the small base stations in the same cluster are connected to each other. At this time, the small base station directly connected to the macro base station can be selected.
  • the control device or additionally introducing a network node as the control device, the network node is connected to the macro base station and connected to any small base station in the cluster.
  • FIG. 11 is a schematic diagram of coverage of a macro base station and a small base station.
  • any small base station can be selected as the control device.
  • another network node is additionally introduced as the control device, and the network node is connected to any small base station in the cluster.
  • the completion of the hardware may also be performed by a program to instruct related hardware.
  • the program may be stored in a computer readable storage medium.
  • the storage medium mentioned above may be a read only memory, a magnetic disk or an optical disk.

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Abstract

提供了一种接入系统、设备和方法，涉及通信技术领域，系统包括：至少一个控制设备、至少一个用户设备UE和至少一个基站，至少一个基站包括指定基站，控制设备用于接收指定基站的接入请求；根据各个基站的资源状态信息和业务信息确定目标基站和应提供的资源；向指定基站发送接入响应，指定基站向UE转发接入响应；UE接入目标基站。通过引入控制设备，增加控制设备与基站之间的接口，定义与基站之间的信令，设计与基站之间的交互流程，由控制设备确定目标基站和应提供的资源，对各个基站间的资源进行协调，提高了资源利用率，提升了服务质量和系统吞吐量。且由于已获取到各个基站的资源状态信息，能够避免新的UE接入带来的干扰。

Description

接入系统、 设备和方法 技术领域
本发明涉及通信技术领域， 特别涉及一种接入系统、 设备和方法。 背景技术
在用户设备（User Equipment, 以下筒称： UE )请求接入基站时， 基站需 要进行接纳判决， 判断是否允许该 UE接入该基站。 接纳判决对于避免业务量 负荷过载、 保证系统的稳定性至关重要。
此外， 为了增加无线网络的覆盖范围， 可以在现有的无线网络中增加很多 小小区 （small cell ) 的覆盖， 小小区基站可以称为小基站。 小基站与移动管理 实体（或者核心网）可以直接连接， 也可以不直接连接， 而是分别与宏基站相 连， 由宏基站作为小基站与移动管理实体之间的中间节点。 小小区可以与宏小 区交叠， 还可以与宏小区隔离。 例如， 如图 1所示， 小小区 1、 小小区 2和小 小区 3与宏小区交叠， 小小区 4与宏小区隔离。
由于在某个区域可能会部署很多小基站， 多个小基站以簇（Cluster ) 的形 式存在于宏小区的不同位置。 若所有的小基站均连接到宏基站， 将导致宏基站 连接数百甚至上千个小基站， 对实际布网要求过高， 且在每次接入 UE时都要 进行接纳判决， 对宏基站造成了巨大的数据压力， 影响了宏基站的业务处理能 力。 发明内容
为了避免所有的小基站均连接到宏基站时对宏基站的业务处理能力的影 响， 本发明实施例提供了一种接入系统、 设备和方法， 所述技术方案如下： 第一方面， 提供了一种接入系统， 所述系统包括： 至少一个控制设备、 至 少一个用户设备 UE和至少一个基站， 所述至少一个基站包括指定基站，
所述控制设备用于接收所述指定基站发送的接入请求， 所述接入请求携带 请求接入所述指定基站的 UE的标识和业务信息；
所述控制设备还用于根据预先获取到的各个基站的资源状态信息和所述 业务信息， 确定目标基站以及所述目标基站应为所述 UE提供的资源；
所述控制设备还用于向所述指定基站发送接入响应， 所述接入响应携带所 述 UE的标识、 所述目标基站的标识以及所述资源；
所述指定基站用于根据所述 UE的标识， 向所述 UE转发所述接入响应； 所述 UE用于在接收到所述接入响应时基于所述目标基站的标识以及所述 目标基站为所述 UE提供的资源， 接入所述目标基站。 第二方面， 提供了一种控制设备， 所述控制设备包括： 接收器、 发射器、 存储器和处理器， 所述接收器、 所述发射器和所述存储器分别与所述处理器连 接， 所述存储器存储有程序代码， 所述处理器用于调用所述程序代码， 执行以 下操作：
接收指定基站发送的接入请求， 所述接入请求携带请求接入所述指定基站 的用户设备 UE的标识和业务信息；
根据预先获取到的各个基站的资源状态信息和所述业务信息， 确定目标基 站以及所述目标基站应为所述 UE提供的资源；
向所述指定基站发送接入响应， 所述接入响应携带所述 UE的标识、 所述 目标基站的标识以及所述资源， 使得所述指定基站根据所述 UE的标识， 向所 述 UE转发所述接入响应， 所述 UE在接收到所述接入响应时基于所述目标基 站的标识以及所述目标基站为所述 UE提供的资源， 接入所述目标基站。 第三方面， 提供了一种接入方法， 所述方法包括： 控制设备接收指定基站发送的接入请求， 所述接入请求携带请求接入所述 指定基站的用户设备 UE的标识和业务信息；
所述控制设备根据预先获取到的各个基站的资源状态信息和所述业务信 息， 确定目标基站以及所述目标基站应为所述 UE提供的资源；
所述控制设备向所述指定基站发送接入响应， 所述接入响应携带所述 UE 的标识、 所述目标基站的标识以及所述资源， 使得所述指定基站根据所述 UE 的标识， 向所述 UE转发所述接入响应， 所述 UE在接收到所述接入响应时基 于所述目标基站的标识以及所述目标基站为所述 UE提供的资源， 接入所述目 标基站。
结合第三方面， 在第三方面的第一种可能实现方式中， 所述控制设备根据 预先获取到的各个基站的资源状态信息和所述设备信息，确定目标基站以及所 述目标基站应为所述 UE提供的资源包括：
所述控制设备根据所述指定基站的资源状态信息， 判断所述指定基站能否 为所述 UE提供资源；
当所述控制设备确定所述指定基站能够为所述 UE提供资源时， 将所述指 定基站确定为所述目标基站， 并根据所述指定基站的资源状态信息和所述设备 信息确定所述资源；
当所述控制设备确定所述指定基站不能为所述 UE提供资源时， 根据所述 指定基站以外的其他基站的资源状态信息， 将能够为所述 UE提供资源的基站 确定为所述目标基站， 并根据所述目标基站的资源状态信息和所述设备信息确 定所述资源。
结合第三方面的第一种可能实现方式，在第三方面的第二种可能实现方式 中， 基站的资源状态信息包括当前负载量和剩余资源量， 所述控制设备根据所 述指定基站的资源状态信息，判断所述指定基站能否为所述 UE提供资源包括： 所述控制设备判断所述指定基站的当前负载量是否小于第一预设阈值， 当 所述指定基站的当前负载量小于所述第一预设阈值时， 确定所述指定基站能够 为所述 UE提供资源； 或，
所述控制设备判断所述指定基站的剩余资源量是否大于第二预设阈值， 当 所述指定基站的剩余资源量大于所述第二预设阈值时， 确定所述指定基站能够 为所述 UE提供资源。
结合第三方面的第一种可能实现方式，在第三方面的第三种可能实现方式 中， 当所述控制设备确定所述指定基站不能为所述 UE提供资源时， 根据所述 指定基站以外的其他基站的资源状态信息， 将能够为所述 UE提供资源的基站 确定为所述目标基站包括：
当所述控制设备确定所述指定基站不能为所述 UE提供资源时， 将所述指 定基站以外的其他基站中当前负载量最小的基站确定为所述目标基站； 或， 当所述控制设备确定所述指定基站不能为所述 UE提供资源时， 将所述指 定基站以外的其他基站中剩余资源量最大的基站确定为所述目标基站。
结合第三方面的第一种可能实现方式，在第三方面的第四种可能实现方式 中， 所述控制设备向所述指定基站发送接入响应包括：
当所述目标基站为所述指定基站时， 所述控制设备向所述指定基站发送第 一接入响应， 所述第一接入响应携带所述 UE的标识、 所述指定基站的标识以 及所述指定基站应为所述 UE提供的资源， 且所述第一接入响应用于确认所述 接入请求， 使得所述指定基站根据所述 UE的标识， 向所述 UE转发所述第一 接入响应， 所述 UE在接收到所述第一接入响应时基于所述指定基站的标识以 及所述指定基站为所述 UE提供的资源接入所述指定基站； 或，
当所述目标基站为所述指定基站以外的第一基站时， 所述控制设备向所述 指定基站发送第二接入响应， 所述第二接入响应携带所述 UE的标识、 所述第 一基站的标识以及所述第一基站应为所述 UE提供的资源， 使得所述指定基站 根据所述 UE的标识， 向所述 UE转发所述第二接入响应， 所述 UE在接收到 所述第二接入响应时， 基于所述第一基站的标识以及所述第一基站为所述 UE 提供的资源， 接入所述第一基站。 结合第三方面， 在第三方面的第五种可能实现方式中， 所述控制设备根据 预先获取到的各个基站的资源状态信息和所述设备信息，确定目标基站以及所 述目标基站应为所述 UE提供的资源之后， 所述方法还包括：
所述控制设备根据所述目标基站应为所述 UE提供的资源， 为所述 UE调 度资源。
结合第三方面， 在第三方面的第六种可能实现方式中， 所述控制设备根据 预先获取到的各个基站的资源状态信息和所述设备信息，确定目标基站以及所 述目标基站应为所述 UE提供的资源之后， 所述方法还包括：
当所述目标基站为所述指定基站时， 所述第一接入响应携带调度标识， 使 得所述指定基站在接收到所述第一接入响应时， 根据所述 UE的标识以及所述 指定基站应为所述 UE提供的资源， 为所述 UE调度资源； 或，
当所述目标基站为所述第一基站时， 所述控制设备向所述第一基站发送接 入消息， 所述接入消息携带所述 UE的标识和所述资源， 使得所述第一基站在 接收到所述接入消息时， 根据所述 UE的标识以及所述第一基站应为所述 UE 提供的资源， 为所述 UE调度资源。
结合上述任一种可能实现方式， 在第三方面的第七种可能实现方式中， 所 述指定基站为宏基站或小基站。
结合第三方面的第七种可能实现方式，在第三方面的第八种可能实现方式 中， 当所述指定基站为宏基站时， 接收指定基站发送的接入请求之前， 所述方 法还包括：
当所述宏基站接收到所述 UE发送的接入请求， 并根据所述宏基站的资源 状态信息确定所述宏基站不能为所述 UE提供资源时， 根据获取到的各个控制 设备预先获取到的各个基站的资源状态信息选择控制设备， 向所述选择的控制 设备发送所述接入请求， 所述选择的控制设备执行接收所述接入请求的步骤。
结合第三方面的第七种可能实现方式，在第三方面的第九种可能实现方式 中， 所述控制设备位于与所述宏基站连接的基站。 本发明实施例提供的技术方案的有益效果是：
本发明实施例提供的系统、 设备和方法， 通过引入控制设备， 增加控制设 备与基站之间的接口， 定义控制设备与基站之间的信令， 设计控制设备与基站 之间的交互流程， 由该控制设备根据各个基站的资源状态信息和 UE的业务信 息， 确定该 UE接入的目标基站以及该目标基站应为该 UE提供的资源， 能够 对各个基站间的资源进行协调， 提高了整体的资源利用率， 提升了服务质量和 系统吞吐量。 且由于该控制设备已获取到各个基站的资源状态信息， 能够避免 新的 UE接入带来的干扰。 附图说明
为了更清楚地说明本发明实施例中的技术方案， 下面将对实施例描述中所 需要使用的附图作筒单地介绍， 显而易见地， 下面描述中的附图仅仅是本发明 的一些实施例，对于本领域普通技术人员来讲，在不付出创造性劳动的前提下， 还可以根据这些附图获得其他的附图。
图 1是宏小区和小小区的覆盖范围示意图；
图 2是本发明实施例提供的一种接入系统的结构示意图；
图 3是本发明实施例提供的一种控制设备的结构示意图；
图 4是本发明实施例提供的一种接入方法的流程图；
图 5是本发明实施例提供的一种接入方法的流程图；
图 6是本发明实施例提供的一种接入方法的流程图；
图 7是本发明实施例提供的一种接入方法的流程图；
图 8是本发明实施例提供的一种接入方法的流程图；
图 9是宏基站和小基站的覆盖范围示意图；
图 10是宏基站和小基站的覆盖范围示意图；
图 11是宏基站和小基站的覆盖范围示意图。 具体实施方式
为使本发明的目的、 技术方案和优点更加清楚， 下面将结合附图对本发明 实施方式作进一步地详细描述。
图 2是本发明实施例提供的一种接入系统的结构示意图， 参见图 2, 该系 统包括： 至少一个控制设备 201、 至少一个 UE202和至少一个基站， 该至少一 个基站包括指定基站 203 ,
该控制设备 201用于接收该指定基站 203发送的接入请求， 该接入请求携 带请求接入该指定基站 203的 UE202的标识和业务信息；
该控制设备 201还用于根据预先获取到的各个基站的资源状态信息和该业 务信息， 确定目标基站以及该目标基站应为该 UE202提供的资源；
该控制设备 201还用于向该指定基站 203发送接入响应， 该接入响应携带 该 UE202的标识、 该目标基站的标识以及该资源；
该指定基站 203用于根据该 UE202的标识，向该 UE202转发该接入响应； 该 UE202 用于在接收到该接入响应时基于该目标基站的标识以及该目标 基站为该 UE202提供的资源， 接入该目标基站。
本发明实施例提供的系统， 通过引入控制设备， 增加控制设备与基站之间 的接口， 定义控制设备与基站之间的信令， 设计控制设备与基站之间的交互流 程，由该控制设备根据各个基站的资源状态信息和 UE的业务信息，确定该 UE 接入的目标基站以及该目标基站应为该 UE提供的资源， 能够对各个基站间的 资源进行协调， 提高了整体的资源利用率， 提升了服务质量和系统吞吐量。 且 由于该控制设备已获取到各个基站的资源状态信息， 能够避免新的 UE接入带 来的干扰。
可选地， 该控制设备 201还用于当确定该指定基站 203 能够为该 UE202 提供资源时， 将该指定基站 203确定为该目标基站， 并根据该指定基站 203的 资源状态信息和该设备信息确定该资源； 该控制设备 201还用于当确定该指定基站 203不能为该 UE202提供资源 时， 根据该指定基站 203以外的其他基站的资源状态信息， 将能够为该 UE202 提供资源的基站确定为该目标基站， 并根据该目标基站的资源状态信息和该设 备信息确定该资源。
可选地， 基站的资源状态信息包括当前负载量和剩余资源量， 该控制设备
201还用于判断该指定基站 203的当前负载量是否小于第一预设阈值， 当该指 定基站 203的当前负载量小于该第一预设阈值时，确定该指定基站 203能够为 该 UE202提供资源； 或，
该控制设备 201还用于判断该指定基站 203的剩余资源量是否大于第二预 设阈值， 当该指定基站 203的剩余资源量大于该第二预设阈值时， 确定该指定 基站 203能够为该 UE202提供资源。
可选地， 该控制设备 201还用于当确定该指定基站 203不能为该 UE202 提供资源时，将该指定基站 203以外的其他基站中当前负载量最小的基站确定 为该目标基站； 或，
该控制设备 201还用于当确定该指定基站 203不能为该 UE202提供资源 时， 将该指定基站 203以外的其他基站中剩余资源量最大的基站确定为该目标 基站。
可选地， 该控制设备 201还用于当该目标基站为该指定基站 203时， 向该 指定基站 203发送第一接入响应， 该第一接入响应携带该 UE202的标识、 该 指定基站 203的标识以及该指定基站 203应为该 UE202提供的资源， 且该第 一接入响应用于确认该接入请求， 使得该指定基站 203根据该 UE202的标识， 向该 UE202转发该第一接入响应， 该 UE202在接收到该第一接入响应时基于 该指定基站 203的标识以及该指定基站 203为该 UE202提供的资源接入该指 定基站 203; 或，
该控制设备 201 还用于当该目标基站为该指定基站 203 以外的第一基站 时， 向该指定基站 203发送第二接入响应， 该第二接入响应携带该 UE202的 标识、 该第一基站的标识以及该第一基站应为该 UE202提供的资源， 使得该 指定基站 203根据该 UE202 的标识， 向该 UE202转发该第二接入响应， 该 UE202在接收到该第二接入响应时，基于该第一基站的标识以及该第一基站为 该 UE202提供的资源， 接入该第一基站。
可选地， 该控制设备 201还用于根据该目标基站应为该 UE202提供的资 源， 为该 UE202调度资源。
可选地， 当该目标基站为该指定基站 203时， 该第一接入响应携带调度标 识， 使得该指定基站 203在接收到该第一接入响应时， 根据该 UE202的标识 以及该指定基站 203应为该 UE202提供的资源， 为该 UE202调度资源； 或， 当该目标基站为该第一基站时， 该控制设备 201还用于向该第一基站发送 接入消息， 该接入消息携带该 UE202 的标识和该资源， 使得该第一基站在接 收到该接入消息时， 根据该 UE202的标识以及该第一基站应为该 UE202提供 的资源， 为该 UE202调度资源。
可选地， 该指定基站 203为宏基站或小基站。
可选地， 当该宏基站接收到该 UE202发送的接入请求， 并根据该宏基站 的资源状态信息确定该宏基站不能为该 UE202提供资源时， 根据获取到的各 个控制设备 201预先获取到的各个基站的资源状态信息选择控制设备 201 , 向 该选择的控制设备 201发送该接入请求， 该选择的控制设备 201执行接收该接 入请求的步骤。
可选地， 该控制设备 201位于与该宏基站连接的基站。 图 3是本发明实施例提供的一种控制设备的结构示意图， 参见图 3, 该控 制设备包括： 接收器 301、 发射器 302、 存储器 303和处理器 304, 该接收器 301、 该发射器 302和该存储器 303分别与该处理器 304连接， 该存储器 303 存储有程序代码， 该处理器 304用于调用该程序代码， 执行以下操作：
通过该接收器 301接收指定基站发送的接入请求， 该接入请求携带请求接 入该指定基站的用户设备 UE的标识和业务信息；
根据预先获取到的各个基站的资源状态信息和该业务信息，确定目标基站 以及该目标基站应为该 UE提供的资源；
通过该发射器 302向该指定基站发送接入响应， 该接入响应携带该 UE的 标识、 该目标基站的标识以及该资源， 使得该指定基站根据该 UE的标识， 向 该 UE转发该接入响应， 该 UE在接收到该接入响应时基于该目标基站的标识 以及该目标基站为该 UE提供的资源， 接入该目标基站。
本发明实施例提供的控制设备， 通过引入控制设备， 增加控制设备与基站 之间的接口， 定义控制设备与基站之间的信令， 设计控制设备与基站之间的交 互流程， 由该控制设备根据各个基站的资源状态信息和 UE的业务信息， 确定 该 UE接入的目标基站以及该目标基站应为该 UE提供的资源， 能够对各个基 站间的资源进行协调， 提高了整体的资源利用率， 提升了服务质量和系统吞吐 量。 且由于该控制设备已获取到各个基站的资源状态信息， 能够避免新的 UE 接入带来的干扰。
可选地， 该处理器 304还用于调用该程序代码， 执行以下操作：
当确定该指定基站能够为该 UE提供资源时， 将该指定基站确定为该目标 基站， 并根据该指定基站的资源状态信息和该设备信息确定该资源；
当确定该指定基站不能为该 UE提供资源时， 根据该指定基站以外的其他 基站的资源状态信息， 将能够为该 UE提供资源的基站确定为该目标基站， 并 根据该目标基站的资源状态信息和该设备信息确定该资源。
可选地，基站的资源状态信息包括当前负载量和剩余资源量，该处理器 304 还用于调用该程序代码， 执行以下操作：
判断该指定基站的当前负载量是否小于第一预设阈值， 当该指定基站的当 前负载量小于该第一预设阈值时，确定该指定基站能够为该 UE提供资源；或， 判断该指定基站的剩余资源量是否大于第二预设阈值， 当该指定基站的剩 余资源量大于该第二预设阈值时， 确定该指定基站能够为该 UE提供资源。 可选地， 该处理器 304还用于调用该程序代码， 执行以下操作： 当确定该指定基站不能为该 UE提供资源时， 将该指定基站以外的其他基 站中当前负载量最小的基站确定为该目标基站； 或，
当确定该指定基站不能为该 UE提供资源时， 将该指定基站以外的其他基 站中剩余资源量最大的基站确定为该目标基站。
可选地， 该处理器 304还用于调用该程序代码， 执行以下操作： 当该目标基站为该指定基站时， 向该指定基站发送第一接入响应， 该第一 接入响应携带该 UE的标识、 该指定基站的标识以及该指定基站应为该 UE提 供的资源， 且该第一接入响应用于确认该接入请求， 使得该指定基站根据该 UE的标识， 向该 UE转发该第一接入响应，该 UE在接收到该第一接入响应时 基于该指定基站的标识以及该指定基站为该 UE提供的资源接入该指定基站； 或，
当该目标基站为该指定基站以外的第一基站时， 向该指定基站发送第二接 入响应， 该第二接入响应携带该 UE的标识、 该第一基站的标识以及该第一基 站应为该 UE提供的资源， 使得该指定基站根据该 UE的标识， 向该 UE转发 该第二接入响应， 该 UE在接收到该第二接入响应时， 基于该第一基站的标识 以及该第一基站为该 UE提供的资源， 接入该第一基站。
可选地， 该处理器 304还用于调用该程序代码， 执行以下操作： 根据该目标基站应为该 UE提供的资源， 为该 UE调度资源。
可选地， 该处理器 304还用于调用该程序代码， 执行以下操作： 当该目标基站为该指定基站时， 该第一接入响应携带调度标识， 使得该指 定基站在接收到该第一接入响应时， 根据该 UE的标识以及该指定基站应为该 UE提供的资源， 为该 UE调度资源； 或，
当该目标基站为该第一基站时， 向该第一基站发送接入消息， 该接入消息 携带该 UE的标识和该资源， 使得该第一基站在接收到该接入消息时， 根据该 UE的标识以及该第一基站应为该 UE提供的资源， 为该 UE调度资源。 可选地， 该指定基站为宏基站或小基站。
可选地， 该处理器 304还用于调用该程序代码， 执行以下操作：
当该宏基站接收到该 UE发送的接入请求， 并根据该宏基站的资源状态信 息确定该宏基站不能为该 UE提供资源时， 根据获取到的各个控制设备预先获 取到的各个基站的资源状态信息选择控制设备， 向该选择的控制设备发送该接 入请求， 该选择的控制设备执行接收该接入请求的步骤。
可选地， 该控制设备位于与该宏基站连接的基站。 图 4是本发明实施例提供的一种接入方法的流程图， 参见图 4, 该方法包 括：
401、 控制设备接收指定基站发送的接入请求， 该接入请求携带请求接入 该指定基站的 UE的标识和业务信息。
402、 该控制设备根据预先获取到的各个基站的资源状态信息和该业务信 息， 确定目标基站以及该目标基站应为该 UE提供的资源。
403、 该控制设备向该指定基站发送接入响应， 该接入响应携带该 UE 的 标识、 该目标基站的标识以及该资源， 使得该指定基站根据该 UE的标识， 向 该 UE转发该接入响应， 该 UE在接收到该接入响应时基于该目标基站的标识 以及该目标基站为该 UE提供的资源， 接入该目标基站。
本发明实施例提供的方法， 通过引入控制设备， 增加控制设备与基站之间 的接口， 定义控制设备与基站之间的信令， 设计控制设备与基站之间的交互流 程，由该控制设备根据各个基站的资源状态信息和 UE的业务信息，确定该 UE 接入的目标基站以及该目标基站应为该 UE提供的资源， 能够对各个基站间的 资源进行协调， 提高了整体的资源利用率， 提升了服务质量和系统吞吐量。 图 5是本发明实施例提供的一种接入方法的流程图， 该控制设备与至少一 个小基站连接， 该指定基站为该至少一个小基站中的第一小基站， 参见图 5, 该方法包括：
501、 各个小基站向控制设备发送各个 d、基站的资源状态信息。
在本发明实施例中， 该控制设备可以为一个网络节点或者一个功能模块， 该控制设备与至少一个小基站连接， 具体可以为该控制设备与至少一个小基站 直接连接， 该至少一个小基站又可以与其他的小基站连接， 则该控制设备与该 其他的小基站间接连接。
该控制设备连接的各个小基站均向该控制设备发送资源状态信息， 该资源 状态信息可以用于表示各个小基站的负载情况和资源利用情况， 以便该控制设 备获取到该各个小基站的资源状态信息， 根据获取到的资源状态信息， 对各个 小基站的资源进行协调。
可选地，各个小基站周期性地向该控制设备发送该各个小基站的资源状态 信息； 或者， 该控制设备周期性地向各个小基站发送资源信息请求， 各个小基 站在接收到该资源信息请求时， 向该控制设备发送资源状态信息； 或者， 当任 一小基站接收到资源信息上报指令时， 向该小基站连接的控制设备发送该小基 站的资源状态信息， 该资源信息上报指令可以由维护人员确认上报的操作触发 或周期性触发。本发明实施例对该各个小基站向该控制设备发送该各个小基站 的资源状态信息的具体过程不做限定。
其中， 该资源状态信息可以包括小基站的当前负载量、 剩余资源量、 资源 利用率等信息， 本发明实施例对此不做限定。
502、 UE向该第一小基站发送接入请求， 该接入请求携带该 UE的标识和 业务信息。
其中， 该 UE的标识可以为该 UE的设备号、 电话号码等， 该业务信息可 以包括该 UE待处理的业务类型、 优先级、 接入原因等， 如该业务类型可以为 话音业务、 视频业务、 Web业务等， 该接入原因可以为紧急呼叫、 负载均衡或 移动切换等。 该控制设备根据该 UE的业务类型、 优先级和接入原因等信息可 以确定由哪个基站接入该 UE以及接入该 UE的基站应该为该 UE提供的资源。 另外， 该接入请求还可以携带该 UE的位置信息、 该 UE的测量报告或者其他 信息， 本发明实施例对此不做限定。
503、 当该第一'〗、基站接收到该接入请求时， 向该控制设备发送该接入请 求以及该第一小基站的标识。
其中， 该第一小基站的标识用于唯一确定该第一小基站， 可以为该第一小 基站的地址或者基站号等， 本发明实施例对此不做限定。 该第一小基站在向该 控制设备发送该接入请求时携带该第一小基站的标识， 则该控制设备可以根据 该第一' 基站的标识， 向该第一'』、基站返回该接入请求的响应。
504、 当该控制设备接收到该第一小基站发送的接入请求时， 判断该第一 小基站的当前负载量是否小于第一预设阈值， 如果是， 执行步骤 505, 如果否， 执行步骤 510。
其中， 该第一预设阈值可以预先设定， 或者根据各个小基站的当前负载量 的平均值确定， 本发明实施例对此不做限定。 当该第一小基站的当前负载量小 于该第一预设阈值时， 可以认为该第一小基站能够为该 UE提供资源， 将该第 一小基站确定为该目标基站。 当该第一小基站的当前负载量不小于该第一预设 阈值时， 可以认为该第一小基站不能为该 UE提供资源。
在本发明实施例提供的另一实施例中，该步骤 504还可以由以下任一项代 替：
5041、 当该控制设备接收到该第一小基站发送的接入请求时， 判断该第一 小基站的剩余资源量是否大于该第二预设阈值， 如果是， 执行步骤 505, 如果 否， 执行步骤 510。
与该第一预设阈值类似， 该第二预设阈值可以预先设定， 或者根据各个小 基站的剩余资源量的平均值确定， 本发明实施例对此不做限定。 当该第一小基 站的剩余资源量大于该第二预设阈值时， 可以认为该第一小基站能够为该 UE 提供资源， 将该第一小基站确定为该目标基站。
5042、 当该控制设备接收到该第一小基站发送的接入请求时， 判断该第一 小基站的当前负载量是否小于第一预设阈值， 并判断该第一小基站的剩余资源 量是否大于该第二预设阈值， 当该第一小基站的当前负载量小于第一预设阈 值， 且该第一小基站的剩余资源量大于该第二预设阈值时， 执行步骤 505, 否 则执行步骤 510。
在该步骤 5042 中， 当该第一小基站的当前负载量小于第一预设阈值， 且 该第一小基站的剩余资源量大于该第二预设阈值时， 该控制设备才确定该第一 小基站能够为该 UE提供资源， 而当该第一小基站的当前负载量不小于第一预 设阈值， 或者该第一小基站的剩余资源量不大于该第二预设阈值时， 该控制设 备即可确定该第一小基站不能够为该 UE提供资源。
5043、 当该控制设备接收到该第一小基站发送的接入请求时， 判断该第一 小基站的当前负载量是否小于第一预设阈值， 并判断该第一小基站的剩余资源 量是否大于该第二预设阈值， 当该第一小基站的当前负载量小于第一预设阈 值， 或者该第一小基站的剩余资源量大于该第二预设阈值时， 执行步骤 505 , 当该第一小基站的当前负载量不小于第一预设阈值， 且该第一小基站的剩余资 源量不大于该第二预设阈值时， 执行步骤 510。
在该步骤 5043 中， 当该第一小基站的当前负载量小于第一预设阈值， 或 者该第一小基站的剩余资源量大于该第二预设阈值时， 该控制设备即可确定该 第一小基站能够为该 UE提供资源， 而当该第一小基站的当前负载量不小于第 一预设阈值， 且该第一小基站的剩余资源量不大于该第二预设阈值时， 该控制 设备才确定该第一小基站不能够为该 UE提供资源。
需要说明的是， 该控制设备可以对该第一小基站的当前负载量、 剩余资源 量、 资源利用率等多种信息分别进行判断， 可以在任一种信息满足预设的条件 时确定该第一小基站能够为该 UE提供资源， 或者每种信息均满足预设的条件 时才确定该第一小基站能够为该 UE提供资源， 本发明实施例对此不做限定。 进一步地， 本发明实施例以该控制设备优先判断该第一小基站是否能够为该 UE提供资源， 在该第一小基站不能为该 UE提供资源时再对该第一小基站以 外的小基站进行判断为例进行说明， 而实际上， 该控制设备还可以对该控制设 备连接的所有小基站分别进行判断， 选择一个可以为该 UE提供资源的小基站 即可。 本发明实施例仅是给出一种接纳控制算法的示例， 该控制设备还可以基 于其他的接纳控制算法进行判断， 本发明实施例并不构成对接纳控制算法的限 定。
505、 该控制设备将该第一小基站确定为该目标基站， 根据该第一小基站 的资源状态信息以及该业务信息， 确定该第一小基站应为该 UE提供的资源。
在本发明实施例中， 该目标基站用于为该 UE提供资源。
该控制设备将该第一小基站确定为该目标基站时， 可以根据该第一小基站 的当前负载量、 剩余资源量、 资源利用率等信息， 以及该 UE的业务类型、 优 先级、 接入原因等信息， 确定该第一小基站应为该 UE提供的资源。
需要说明的是， 本发明实施例以该控制设备确定了一个目标基站为例进行 说明， 实际上， 该控制设备可以确定多个目标基站， 推荐给该 UE, 该 UE从 该多个目标基站中选择其中一个目标基站， 向选择的目标基站发送接入请求， 以便在接收到该选择的目标基站的接入确认响应时接入该选择的目标基站。 本 发明实施例对该控制设备确定的目标基站的数目不做限定。
506、 该控制设备向该第一'』、基站发送第一接入响应， 该第一接入响应携 带该 UE的标识、 该第一小基站的标识以及该第一' 基站应为该 UE提供的资 源。
在本发明实施例中， 该控制设备在确定该目标基站时， 向该第一小基站发 送接入响应， 该接入响应携带该 UE的标识、 该目标基站的标识以及该目标基 站应为该 UE提供的资源。 若是该目标基站为该第一小基站时， 该控制设备向 该第一'』、基站发送该第一接入响应， 该第一接入响应携带的目标基站的标识为 该第一小基站的标识， 该目标基站为第二小基站时， 该控制设备向该第一'』、基 站发送该第二接入响应， 该第二接入响应携带的目标基站的标识为该第二小基 站的标识。 507、 当该第一小基站接收到该第一接入响应时， 根据该控制设备确定的 该第一小基站应为该 UE提供的资源， 为该 UE调度资源。
在本发明实施例中， 该第一接入响应用于确认该接入请求， 当该第一'』、基 站接收到该第一接入响应时， 对该第一接入响应进行解析， 确定该第一接入响 应携带的基站标识为该第一小基站的标识， 则根据该控制设备确定的资源， 为 该 UE调度该第一小基站的资源， 以便后续该 UE基于调度的资源接入该第一 小基站。 可选地， 该第一小基站从剩余的资源中选择资源调度给该 UE。
需要说明的是， 本发明实施例以该第一小基站为该 UE调度资源为例进行 说明， 而实际上还可以由该控制设备或其他的小基站为该 UE调度资源， 本发 明实施例对此不做限定。
508、 该第一'〗、基站根据该 UE的标识， 向该 UE发送该第一接入响应。 本发明实施例以该第一,』、基站将接收到的第一接入响应转发给该 UE为例 进行说明， 实际上， 该第一小基站还可以判断该第一接入响应携带的目标基站 标识是否为该第一小基站的标识， 如果是， 该第一小基站向该 UE发送接入确 认响应， 如果否， 该第一'』、基站向该 UE发送接入拒绝响应， 该接入拒绝响应 携带该目标基站的标识。
509、 当该 UE接收到该第一接入响应时， 基于该第一' 基站的标识和该 第一小基站为该 UE提供的资源， 接入该第一小基站， 结束。
在本发明实施例中， 该第一小基站已为该 UE调度了资源， 当该 UE接收 到该第一接入响应时， 对该第一接入响应进行解析， 得到该第一小基站的标识 和该第一小基站为该 UE提供的资源，则可以基于该资源，进行资源配置过程， 资源配置完成时向该第一小基站发送连接建立完成消息， 使得该 UE接入该第 一小基站。
510、 该控制设备对该第一小基站以外的小基站的当前负载量进行排序， 将该第一小基站以外的小基站中当前负载量最小的第二小基站确定为该目标 基站。 在本发明实施例中， 当该第一小基站的当前负载量不小于该第一预设阈值 时， 可以认为该第一小基站不能为该 UE提供资源， 则该控制设备对该第一小 基站以外的小基站的当前负载量进行排序，选择该第一小基站以外的小基站中 当前负载量最小的第二小基站， 将该第二小基站确定为该目标基站。
在本发明实施例提供的另一实施例中， 该步骤 510可以由以下步骤代替： 该控制设备对该第一小基站以外的小基站的剩余资源量进行排序，将该第一小 基站以外的小基站中剩余资源量最大的第二小基站确定为该目标基站。
511、 该控制设备根据该第二小基站的资源状态信息以及该业务信息， 确 定该第二小基站应为该 UE提供的资源， 执行步骤 512和步骤 514。
该步骤 511与步骤 505类似， 在此不再赘述。
512、 该控制设备向该第一小基站发送第二接入响应， 该第二接入响应携 带该 UE的标识、 该第二小基站的标识以及该第二小基站应为该 UE提供的资 源。
513、 当该第一'』、基站接收到该第二接入响应时， 根据该 UE 的标识， 向 该 UE发送该第二接入响应， 执行步骤 516。
当该第一'〗、基站接收到该第二接入响应时， 对该第二接入响应进行解析， 确定该第二接入响应携带的基站标识为该第二小基站的标识， 即该第二小基站 为该目标基站， 则向该 UE转发该第二接入响应， 而无需为该 UE调度资源。
514、 该控制设备向该第二小基站发送接入消息， 该接入消息携带该 UE 的标识和该第二小基站应为该 UE提供的资源。
515、 当该第二小基站接收到该接入消息时， 根据该 UE 的标识以及该第 二小基站应为该 UE提供的资源， 为该 UE调度该第二小基站的资源。
516、 当该 UE接收到该第二接入响应时， 基于该第二小基站的标识和该 第二小基站提供的资源， 接入该第二小基站。
本发明实施例中， 通过在引入该控制设备后， 增加了控制设备与小基站之 间的接口， 定义了控制设备与小基站之间的信令， 设计了控制设备与小基站之 间的交互流程， 实现了该控制设备对各个小基站资源的协调， 并实现了该 UE 接入小基站的目的。
本发明实施例提供的方法， 通过引入控制设备， 增加控制设备与基站之间 的接口， 定义控制设备与基站之间的信令， 设计控制设备与基站之间的交互流 程，由该控制设备根据各个基站的资源状态信息和 UE的业务信息，确定该 UE 接入的目标基站以及该目标基站应为该 UE提供的资源， 能够对各个基站间的 资源进行协调， 提高了整体的资源利用率， 提升了服务质量和系统吞吐量。 且 由于该控制设备已获取到各个基站的资源状态信息， 能够避免新的 UE接入带 来的干扰。 图 6是本发明实施例提供的一种接入方法的流程图， 该控制设备与至少一 个小基站连接， 该指定基站为该至少一个小基站中的第一小基站。 图 6所示实 施例与图 5所示实施例的不同之处在于， 图 6所示实施例中由该控制设备为该 UE调度资源， 而不是由该第一小基站或该第二小基站为该 UE调度资源。 参 见图 6, 该方法包括：
601、 各个小基站向控制设备发送各个小基站的资源状态信息。
602、 UE向该第一'〗、基站发送接入请求， 该接入请求携带该 UE的标识和 业务信息。
603、 当该第一'〗、基站接收到该接入请求时， 向该控制设备发送该接入请 求以及该第一小基站的标识。
604、 当该控制设备接收到该第一小基站发送的接入请求时， 判断该第一 小基站的当前负载量是否小于第一预设阈值， 如果是， 执行步骤 605, 如果否， 执行步骤 610。
605、 该控制设备将该第一小基站确定为该目标基站， 根据该第一小基站 的资源状态信息以及该业务信息， 确定该第一小基站应为该 UE提供的资源。
606、 该控制设备根据确定的该第一小基站应为该 UE提供的资源， 为该 UE调度该第一小基站的资源。
607、 该控制设备向该第一'』、基站发送第一接入响应， 该第一接入响应携 带该 UE的标识、 该第一' 基站的标识以及该控制设备为该 UE调度的资源。
608、 当该第一'』、基站接收到该第一接入响应时， 向该 UE发送该第一接 入响应。
609、 当该 UE接收到该第一接入响应时， 基于该第一' 基站的标识和该 该控制设备为该 UE调度的资源， 接入该第一小基站， 结束。
610、 该控制设备对该第一小基站以外的小基站的当前负载量进行排序， 将该第一小基站以外的小基站中当前负载量最小的第二小基站确定为该目标 基站。
611、 该控制设备根据该第二小基站的资源状态信息以及该业务信息， 确 定该第二小基站应为该 UE提供的资源。
612、 该控制设备根据确定的该第一小基站应为该 UE提供的资源， 为该 UE调度该第二小基站的资源。
613、 该控制设备向该第一'』、基站发送第二接入响应， 该第二接入响应携 带该 UE的标识、 该第二小基站的标识以及该控制设备为该 UE调度的资源。
614、 当该第一'』、基站接收到该第二接入响应时， 向该 UE发送该第二接 入响应。
615、 当该 UE接收到该第二接入响应时， 基于该第二小基站的标识和该 该控制设备为该 UE调度的资源， 接入该第二小基站， 结束。
本发明实施例提供的方法， 通过引入控制设备， 增加控制设备与基站之间 的接口， 定义控制设备与基站之间的信令， 设计控制设备与基站之间的交互流 程，由该控制设备根据各个基站的资源状态信息和 UE的业务信息，确定该 UE 接入的目标基站以及该目标基站应为该 UE提供的资源， 能够对各个基站间的 资源进行协调， 提高了整体的资源利用率， 提升了服务质量和系统吞吐量。 且 由于该控制设备已获取到各个基站的资源状态信息， 能够避免新的 UE接入带 来的干扰。 图 7是本发明实施例提供的一种接入方法的流程图，控制设备与至少一个 宏基站以及至少一个小基站连接， 相应的， 一个宏基站与至少一个控制设备连 接。 图 7所示实施例与图 5所示实施例的不同之处在于， 图 7所示实施例中的 指定基站为宏基站， 而不是小基站。 图 7所示实施例与图 6所示实施例的不同 之处在于， 图 7所示实施例中由该宏基站为该 UE调度资源， 而不是由小基站 为该 UE调度资源。 参见图 7, 该方法包括：
701、各个小基站向各自连接的控制设备发送各个 d、基站的资源状态信息。 在本发明实施例中， 各个控制设备用于对各自连接的各个小基站的资源进 行协调， 各个宏基站用于根据各自连接的控制设备对应的资源状态信息， 选择 控制设备。
702、 各个控制设备向各自连接的宏基站发送该各个小基站的资源状态信 息。
其中， 该各个小基站包括位于该宏基站对应的宏小区内的小基站， 还可以 包括位于该宏小区外、 该宏小区的相邻宏小区边缘的小基站。 则该控制设备向 该宏基站发送的是该宏小区内所有小基站以及该相邻宏小区边缘小基站的资 源状态信息。
可选地，各个控制设备周期性地向各自连接的宏基站发送获取到的各个小 基站的资源状态信息； 或者， 各个宏基站周期性地向各自连接的控制设备发送 资源信息请求， 各个控制设备在接收到宏基站的资源信息请求时， 向该宏基站 发送各个控制设备获取到的各个小基站的资源状态信息； 或者， 当任一控制设 备接收到资源信息上报指令时， 向该控制设备连接的宏基站发送该控制设备获 取到的各个小基站的资源状态信息。本发明实施例对发送该资源状态信息的方 式不做限定。
进一步地， 本发明实施例以控制设备向宏基站发送各个小基站的资源状态 信息为例进行说明，实际上，控制设备在获取到各个小基站的资源状态信息时， 可以对各个小基站的资源状态信息进行统计，得到该控制设备对应的总资源状 态信息， 如总负载量、 总剩余资源量、 平均资源利用率等， 发送给宏基站， 使 得后续该宏基站可以根据该总资源状态信息， 判断该控制设备是否能够为该
UE提供资源。
703、 UE向该宏基站发送接入请求， 该接入请求携带该 UE的标识和业务 信息。
704、 该宏基站接收到该接入请求时， 根据该宏基站的资源状态信息和该 业务信息， 判断该宏基站是否能够为该 UE提供资源， 如果是， 执行步骤 705, 如果否， 执行步骤 708。
该宏基站判断是否能够为该 UE提供资源的方式与该控制设备判断该第一 小基站是否能够为该 UE提供资源的方式类似， 在此不再赘述。
705、该宏基站确定应为该 UE提供的资源， 并根据该宏基站应为该 UE提 供的资源， 为该 UE调度资源。
706、该宏基站向该 UE发送第一接入响应， 该第一接入响应携带该 UE的 标识、 该宏基站的标识以及该宏基站为该 UE调度的资源。
707、 当该 UE接收到该第一接入响应时， 基于该宏基站的标识和该宏基 站为该 UE调度的资源， 接入该宏基站， 结束。
708、 该宏基站根据各个控制设备发送的资源状态信息， 选择能够为该 UE 提供资源的第一控制设备。
可选地， 该宏基站根据各个控制设备发送的总资源状态信息， 选择总负载 量最小的控制设备， 或者选择总剩余资源量最大的控制设备。
该步骤 708可以由以下步骤代替： 当该宏基站确定该宏基站以及各个控制 设备所连接的各个小基站均不能为该 UE提供资源时， 向该 UE发送拒绝接入 响应。该宏基站还可以根据该宏基站的资源状态信息以及该各个小基站的资源 状态信息， 计算该 UE需要等待的时长， 发送给该 UE, 使得该 UE在经过了相 应的时长后重新向该宏基站发送接入请求。
709、 该宏基站向该第一控制设备发送接入请求， 该接入请求携带该 UE 的标识、 业务信息和该宏基站的标识。
710、 该第一控制设备接收到该接入请求时， 确定目标基站以及该目标基 站应为该 UE提供的资源。
该第一控制设备确定该目标基站以及该目标基站应为该 UE提供的资源的 方式与上述步骤 304-305、 310-311类似， 在此不再赘述。
711、 该第一控制设备向该宏基站发送第二接入响应， 该第二接入响应携 带该 UE的标识、 该目标基站的标识以及该目标基站应为该 UE提供的资源。
712、 当该宏基站接收到该第二接入响应时， 根据该第一控制设备确定的 该目标基站应为该 UE提供的资源， 为该 UE调度资源。
713、 该宏基站根据该 UE的标识， 向该 UE发送该第二接入响应。
714、 当该 UE接收到该第二接入响应时， 基于该目标基站的标识和该宏 基站为该 UE调度的资源， 接入该目标基站， 结束。
本发明实施例提供的方法， 通过引入控制设备， 增加控制设备与基站之间 的接口， 定义控制设备与基站之间的信令， 设计控制设备与基站之间的交互流 程，由该控制设备根据各个基站的资源状态信息和 UE的业务信息，确定该 UE 接入的目标基站以及该目标基站应为该 UE提供的资源， 能够对各个基站间的 资源进行协调， 提高了整体的资源利用率， 提升了服务质量和系统吞吐量。 且 由于该控制设备已获取到各个基站的资源状态信息， 能够避免新的 UE接入带 来的干扰。 图 8是本发明实施例提供的一种接入方法的流程图，控制设备与至少一个 宏基站和至少一个小基站连接，对应的，一个宏基站与至少一个控制设备连接。 图 8所示实施例与图 7所示实施例的不同之处在于， 图 8所示实施例中在该第 一控制设备确定该目标基站时由该第一控制设备为该 UE调度资源， 而不是由 该宏基站为该 UE调度资源。 参见图 8, 该方法包括：
801、各个小基站向各自连接的控制设备发送各个 d、基站的资源状态信息。 802、 各个控制设备向各自连接的宏基站发送该各个小基站的资源状态信 息。
803、 UE向该宏基站发送接入请求， 该接入请求携带该 UE的标识和业务 信息。
804、 该宏基站接收到该接入请求时， 根据该宏基站的资源状态信息和该 业务信息， 判断该宏基站是否能够为该 UE提供资源， 如果是， 执行步骤 805, 如果否， 执行步骤 808。
805、该宏基站确定应为该 UE提供的资源， 并根据该宏基站应为该 UE提 供的资源， 为该 UE调度资源。
806、该宏基站向该 UE发送第一接入响应， 该第一接入响应携带该 UE的 标识、 该宏基站的标识以及该宏基站为该 UE调度的资源。
807、 当该 UE接收到该第一接入响应时， 基于该宏基站的标识和该宏基 站为该 UE调度的资源， 接入该宏基站， 结束。
808、 该宏基站根据各个控制设备发送的资源状态信息， 选择能够为该 UE 提供资源的第一控制设备。
809、 该宏基站向该第一控制设备发送接入请求， 该接入请求携带该 UE 的标识、 业务信息和该宏基站的标识。
810、 该第一控制设备接收到该接入请求时， 确定目标基站以及该目标基 站应为该 UE提供的资源。
811、该第一控制设备根据确定的该目标基站应为该 UE提供的资源， 为该 UE调度该目标基站的资源。
812、 该第一控制设备向该宏基站发送第二接入响应， 该第二接入响应携 带该 UE的标识、 该目标基站的标识以及该目标基站应为该 UE提供的资源。
813、 当该宏基站接收到该第二接入响应时， 根据该 UE的标识， 向该 UE 发送该第二接入响应。
814、 当该 UE接收到该第二接入响应时， 基于该目标基站的标识和该宏 基站为该 UE调度的资源， 接入该目标基站， 结束。
本发明实施例提供的方法， 通过引入控制设备， 增加控制设备与基站之间 的接口， 定义控制设备与基站之间的信令， 设计控制设备与基站之间的交互流 程，由该控制设备根据各个基站的资源状态信息和 UE的业务信息，确定该 UE 接入的目标基站以及该目标基站应为该 UE提供的资源， 能够对各个基站间的 资源进行协调， 提高了整体的资源利用率， 提升了服务质量和系统吞吐量。 且 由于该控制设备已获取到各个基站的资源状态信息， 能够避免新的 UE接入带 来的干扰。 以下将对弓 I入该控制设备的过程进行介绍。
图 9是宏基站和小基站的覆盖范围示意图， 参见图 9, 宏基站和小基站同 载频覆盖， 同一簇内的小基站相互连接， 此时， 可以选择与该宏基站直接连接 的小基站 1作为该控制设备， 或者另外引入一个网络节点作为该控制设备， 将 该网络节点与该宏基站连接， 并与该簇内的任一小基站连接。
图 10是宏基站和小基站的覆盖范围示意图， 参见图 10, 宏基站和小基站 不同载频覆盖， 同一簇内的小基站相互连接， 此时， 可以选择与该宏基站直接 连接的小基站 1作为该控制设备,或者另外引入一个网络节点作为该控制设备, 将该网络节点与该宏基站连接， 并与该簇内的任一小基站连接。
图 11是宏基站和小基站的覆盖范围示意图， 参见图 11 ,仅部署了小基站， 未部署宏基站， 同一簇内的小基站相互连接， 此时， 可以选择任一小基站作为 该控制设备， 或者另外引入一个网络节点作为该控制设备， 将该网络节点与该 簇内的任一小基站连接。 本领域普通技术人员可以理解实现上述实施例的全部或部分步骤可以通 过硬件来完成， 也可以通过程序来指令相关的硬件完成， 所述的程序可以存储 于一种计算机可读存储介质中， 上述提到的存储介质可以是只读存储器， 磁盘 或光盘等。 以上所述仅为本发明的较佳实施例， 并不用以限制本发明， 凡在本发明的 精神和原则之内， 所作的任何修改、 等同替换、 改进等， 均应包含在本发明的 保护范围之内。

Claims

权 利 要 求 书
1、 一种接入系统， 其特征在于， 所述系统包括： 至少一个控制设备、 至少 一个用户设备 UE和至少一个基站， 所述至少一个基站包括指定基站，
所述控制设备用于接收所述指定基站发送的接入请求， 所述接入请求携带 请求接入所述指定基站的 UE的标识和业务信息；
所述控制设备还用于根据预先获取到的各个基站的资源状态信息和所述业 务信息， 确定目标基站以及所述目标基站应为所述 UE提供的资源；
所述控制设备还用于向所述指定基站发送接入响应， 所述接入响应携带所 述 UE的标识、 所述目标基站的标识以及所述资源；
所述指定基站用于根据所述 UE的标识， 向所述 UE转发所述接入响应； 所述 UE用于在接收到所述接入响应时基于所述目标基站的标识以及所述 目标基站为所述 UE提供的资源， 接入所述目标基站。
2、 一种控制设备， 其特征在于， 所述控制设备包括： 接收器、 发射器、 存 储器和处理器， 所述接收器、 所述发射器和所述存储器分别与所述处理器连接， 所述存储器存储有程序代码， 所述处理器用于调用所述程序代码， 执行以下操 作：
接收指定基站发送的接入请求， 所述接入请求携带请求接入所述指定基站 的用户设备 UE的标识和业务信息；
根据预先获取到的各个基站的资源状态信息和所述业务信息， 确定目标基 站以及所述目标基站应为所述 UE提供的资源；
向所述指定基站发送接入响应， 所述接入响应携带所述 UE的标识、所述目 标基站的标识以及所述资源， 使得所述指定基站根据所述 UE 的标识， 向所述 UE转发所述接入响应， 所述 UE在接收到所述接入响应时基于所述目标基站的 标识以及所述目标基站为所述 UE提供的资源， 接入所述目标基站。
3、 一种接入方法， 其特征在于， 所述方法包括：
控制设备接收指定基站发送的接入请求， 所述接入请求携带请求接入所述 指定基站的用户设备 UE的标识和业务信息；
所述控制设备根据预先获取到的各个基站的资源状态信息和所述业务信 息， 确定目标基站以及所述目标基站应为所述 UE提供的资源；
所述控制设备向所述指定基站发送接入响应，所述接入响应携带所述 UE的 标识、所述目标基站的标识以及所述资源，使得所述指定基站根据所述 UE的标 识， 向所述 UE转发所述接入响应， 所述 UE在接收到所述接入响应时基于所述 目标基站的标识以及所述目标基站为所述 UE提供的资源， 接入所述目标基站。
4、 根据权利要求 3所述的方法， 其特征在于， 所述控制设备根据预先获取 到的各个基站的资源状态信息和所述设备信息， 确定目标基站以及所述目标基 站应为所述 UE提供的资源包括：
所述控制设备根据所述指定基站的资源状态信息， 判断所述指定基站能否 为所述 UE提供资源；
当所述控制设备确定所述指定基站能够为所述 UE提供资源时，将所述指定 基站确定为所述目标基站， 并根据所述指定基站的资源状态信息和所述设备信 息确定所述资源；
当所述控制设备确定所述指定基站不能为所述 UE提供资源时，根据所述指 定基站以外的其他基站的资源状态信息，将能够为所述 UE提供资源的基站确定 为所述目标基站， 并根据所述目标基站的资源状态信息和所述设备信息确定所 述资源。
5、 根据权利要求 4所述的方法， 其特征在于， 基站的资源状态信息包括当 前负载量和剩余资源量， 所述控制设备根据所述指定基站的资源状态信息， 判 断所述指定基站能否为所述 UE提供资源包括：
所述控制设备判断所述指定基站的当前负载量是否小于第一预设阈值， 当 所述指定基站的当前负载量小于所述第一预设阈值时， 确定所述指定基站能够 为所述 UE提供资源； 或，
所述控制设备判断所述指定基站的剩余资源量是否大于第二预设阈值， 当 所述指定基站的剩余资源量大于所述第二预设阈值时， 确定所述指定基站能够 为所述 UE提供资源。
6、 根据权利要求 4所述的方法， 其特征在于， 当所述控制设备确定所述指 定基站不能为所述 UE提供资源时，根据所述指定基站以外的其他基站的资源状 态信息， 将能够为所述 UE提供资源的基站确定为所述目标基站包括：
当所述控制设备确定所述指定基站不能为所述 UE提供资源时，将所述指定 基站以外的其他基站中当前负载量最小的基站确定为所述目标基站； 或，
当所述控制设备确定所述指定基站不能为所述 UE提供资源时，将所述指定 基站以外的其他基站中剩余资源量最大的基站确定为所述目标基站。
7、 根据权利要求 4所述的方法， 其特征在于， 所述控制设备向所述指定基 站发送接入响应包括：
当所述目标基站为所述指定基站时， 所述控制设备向所述指定基站发送第 一接入响应，所述第一接入响应携带所述 UE的标识、所述指定基站的标识以及 所述指定基站应为所述 UE提供的资源，且所述第一接入响应用于确认所述接入 请求， 使得所述指定基站根据所述 UE的标识， 向所述 UE转发所述第一接入响 应，所述 UE在接收到所述第一接入响应时基于所述指定基站的标识以及所述指 定基站为所述 UE提供的资源接入所述指定基站； 或，
当所述目标基站为所述指定基站以外的第一基站时， 所述控制设备向所述 指定基站发送第二接入响应，所述第二接入响应携带所述 UE的标识、所述第一 基站的标识以及所述第一基站应为所述 UE提供的资源，使得所述指定基站根据 所述 UE的标识， 向所述 UE转发所述第二接入响应， 所述 UE在接收到所述第 二接入响应时，基于所述第一基站的标识以及所述第一基站为所述 UE提供的资 源， 接入所述第一基站。
8、 根据权利要求 3所述的方法， 其特征在于， 所述控制设备根据预先获取 到的各个基站的资源状态信息和所述设备信息， 确定目标基站以及所述目标基 站应为所述 UE提供的资源之后， 所述方法还包括：
所述控制设备根据所述目标基站应为所述 UE提供的资源，为所述 UE调度 资源。
9、 根据权利要求 3所述的方法， 其特征在于， 所述控制设备根据预先获取 到的各个基站的资源状态信息和所述设备信息， 确定目标基站以及所述目标基 站应为所述 UE提供的资源之后， 所述方法还包括：
当所述目标基站为所述指定基站时， 所述第一接入响应携带调度标识， 使 得所述指定基站在接收到所述第一接入响应时，根据所述 UE的标识以及所述指 定基站应为所述 UE提供的资源， 为所述 UE调度资源； 或，
当所述目标基站为所述第一基站时， 所述控制设备向所述第一基站发送接 入消息， 所述接入消息携带所述 UE的标识和所述资源，使得所述第一基站在接 收到所述接入消息时，根据所述 UE的标识以及所述第一基站应为所述 UE提供 的资源， 为所述 UE调度资源。
10、根据权利要求 3-9任一项所述的方法， 其特征在于， 所述指定基站为宏 基站或小基站。
11、 根据权利要求 10所述的方法， 其特征在于， 当所述指定基站为宏基站 时， 接收指定基站发送的接入请求之前， 所述方法还包括： 当所述宏基站接收到所述 UE发送的接入请求，并根据所述宏基站的资源状 态信息确定所述宏基站不能为所述 UE提供资源时，根据获取到的各个控制设备 预先获取到的各个基站的资源状态信息选择控制设备， 向所述选择的控制设备 发送所述接入请求， 所述选择的控制设备执行接收所述接入请求的步骤。
12、 根据权利要求 10所述的方法， 其特征在于， 所述控制设备位于与所述 宏基站连接的基站。
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