WO2010121560A1 - 负载分担方法、装置及系统 - Google Patents

负载分担方法、装置及系统 Download PDF

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Publication number
WO2010121560A1
WO2010121560A1 PCT/CN2010/072095 CN2010072095W WO2010121560A1 WO 2010121560 A1 WO2010121560 A1 WO 2010121560A1 CN 2010072095 W CN2010072095 W CN 2010072095W WO 2010121560 A1 WO2010121560 A1 WO 2010121560A1
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Prior art keywords
load
base station
shared
sharing
information
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PCT/CN2010/072095
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English (en)
French (fr)
Inventor
高玲玲
李剑波
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华为技术有限公司
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Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=41123953&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=WO2010121560(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by 华为技术有限公司 filed Critical 华为技术有限公司
Priority to BRPI1014273-8A priority Critical patent/BRPI1014273B1/pt
Priority to EP14154677.0A priority patent/EP2739082B1/en
Priority to EP10766650A priority patent/EP2416605B1/en
Priority to CN2010800179261A priority patent/CN102349325B/zh
Publication of WO2010121560A1 publication Critical patent/WO2010121560A1/zh
Priority to US13/278,776 priority patent/US8498653B2/en
Priority to US13/932,992 priority patent/US20130286841A1/en

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Classifications

    • 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
    • H04W28/08—Load balancing or load distribution
    • H04W28/086—Load balancing or load distribution among access entities
    • H04W28/0861—Load balancing or load distribution among access entities between base stations
    • H04W28/0862—Load balancing or load distribution among access entities between base stations of same hierarchy level
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W92/00—Interfaces specially adapted for wireless communication networks
    • H04W92/16—Interfaces between hierarchically similar devices
    • H04W92/20—Interfaces between hierarchically similar devices between access points

Definitions

  • the present invention relates to the field of communications technologies, and in particular, to a load sharing method, apparatus, and system.
  • the Evolved Universal Mobile Telecommunication System Territorial Radio Access Network (E-UTRAN) and the Evolved Packet Core (EPC) are used in the Evolved Universal Mobile Telecommunication System (UMTS). ) constitutes the Evolved Packet System (EPS).
  • the E-UTRAN is composed of an Evolved Node B (eNB).
  • the load status between the eNB and the eNB can be signaled through the interconnected X2 interface, and each eNB service is different. Community.
  • Each eNB is connected to the EPC's Mobility Management Entity (MME) through an SI interface.
  • MME Mobility Management Entity
  • the inventors have found that at least the following problems exist in the prior art:
  • the traffic volume of the cell served by each eNB is different within different time periods.
  • the eNB of the cell with low traffic has a small load
  • the eNB of the cell with high traffic has a large load, which results in an imbalance of the eNB load and reduces the utilization of the wireless baseband resource.
  • Embodiments of the present invention provide a load sharing method, apparatus, and system.
  • the embodiment of the invention provides a load sharing method, including:
  • the signaling of the load status interacts with the intermediate base station configured in the mobility management entity of the requesting base station to select the shared base station;
  • the shared load is allocated to the shared base station according to the baseband resource prepared by the shared base station according to the information about the shared load.
  • An embodiment of the present invention provides another load sharing method, including:
  • the baseband resource is prepared according to the information about the load sharing, so that the requesting base station shares the shared load to the shared base station.
  • the embodiment of the invention further provides a load sharing device, including:
  • a first obtaining module configured to acquire a current load value
  • a module configured to: when the current load value exceeds a preset load threshold, interact with the intermediate base station configured in the mobility management entity to which the requesting base station belongs by using the load status signaling, and select the shared base station;
  • a processing module configured to send information about the shared load that needs to be shared to the selected base station
  • a sharing module configured to share the shared load to the baseband resource prepared by the shared base station according to the shared information The sharing base station.
  • Another embodiment of the present invention provides another load sharing device, including:
  • a second acquiring module configured to: when the current load value of the requesting base station exceeds a preset load threshold, receive information about the shared load that needs to be shared by the requesting base station;
  • a preparation module configured to prepare a baseband resource according to the information about the load sharing, where the requesting base station allocates the shared load to the shared base station.
  • the embodiment of the present invention further provides a load sharing system, including a requesting base station and a shared base station, where: the requesting base station is configured to acquire a current load value, and if the current load value exceeds a preset load threshold, pass the load status. Interworking with the intermediate base station configured in the mobility management entity to which the requesting base station belongs, selecting the shared base station, and transmitting the information of the shared load to be shared to the selected base station, corresponding to the shared base station Allocating the shared load to the shared base station according to the baseband resource prepared by the information sharing the load;
  • the shared base station is configured to obtain information about the shared load that needs to be shared by the requesting base station, and prepare baseband resources according to the information about the shared load.
  • the base station when the base station detects that the load is too high, the base station selects a shared base station in the intermediate base station configured in the same mobility management entity, and shares the shared load that needs to be shared to the shared base station.
  • the terminal sharing the service enables the high-load base station to request the radio resource of the base station,
  • FIG. 1 is a schematic flowchart of a load sharing method according to Embodiment 1 of the present invention.
  • FIG. 2 is a schematic flowchart of another load sharing method according to Embodiment 2 of the present invention.
  • FIG. 3 is a schematic flowchart of a load sharing processing method according to Embodiment 3 of the present invention.
  • FIG. 4 is a schematic structural diagram of a load sharing device according to Embodiment 4 of the present invention.
  • FIG. 5 is a schematic structural diagram of another load sharing device according to Embodiment 5 of the present invention.
  • FIG. 6 is a schematic structural diagram of a load sharing system according to Embodiment 6 of the present invention.
  • the technical solutions in the embodiments of the present invention are clearly and completely described in the following with reference to the accompanying drawings in the embodiments of the present invention. It is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. example. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without creative efforts are within the scope of the present invention.
  • FIG. 1 is a schematic flowchart of a load sharing method according to Embodiment 1 of the present invention. As shown in FIG.
  • the load sharing method in this embodiment may include the following steps: Step 101: Acquire a current load value; Step 102: If current When the load value exceeds the preset load threshold, the load state signaling interacts with the intermediate eNB configured in the MME to which the requesting eNB belongs, and the shared eNB is selected. Step 103: Send the shared load to be shared to the selected shared eNB.
  • the shared eNB allocates the shared load to the shared eNB according to the baseband resource prepared by the shared load information.
  • the load threshold in this embodiment is a load threshold that the requesting eNB can guarantee the quality of service (QoS) of the UE: when the load threshold is lower, the requesting eNB can guarantee the QoS of accessing the UE; At the threshold, the requesting eNB cannot guarantee the QoS of accessing the UE.
  • QoS quality of service
  • the load balancing method provided in this embodiment may be used to share the service of the UE in two manners.
  • the information about the load sharing in the embodiment may include the UE information of the UE that performs the load sharing, and the UE information (AP ID) in the MME.
  • the sharing in this embodiment The load information also needs to further include service information such as a service identifier that shares the load.
  • the requesting eNB that is overloaded can share the shared load that needs to be shared to one or more shared eNBs configured in the mobility management entity, so that the UE can use the radio resources of the high-load base station and use other low loads.
  • the baseband resources of the base station ensure the QoS of the UE, and the baseband resource sharing of the low-load base station is reasonably utilized, thereby achieving the balance of the base station load and improving the utilization of the wireless baseband resources.
  • 2 is a schematic flowchart of another load sharing method according to Embodiment 2 of the present invention. As shown in FIG.
  • the load sharing method in this embodiment may include the following steps: Step 201: When the current load value of the requesting base station exceeds a preset When the load threshold is received, the information about the shared load that needs to be shared by the requesting eNB is received. Step 202: The baseband resource is prepared according to the information about the shared negative load, so that the requesting eNB allocates the shared load to the shared eNB.
  • the load balancing method provided in this embodiment may be used to share the service of the UE in two manners. One way is to request the eNB to share all the services of one UE or multiple UEs to the shared eNB, and the other method is to request the eNB to use one UE.
  • the information about the load sharing in the embodiment may include the UE information of the UE that performs the load sharing, and the UE information (AP ID) in the MME.
  • the sharing in this embodiment The load information also needs to further include service information such as a service identifier that shares the load.
  • the shared eNB can prepare the relevant baseband resources of the corresponding load sharing between the eNB and the MME according to the information about the load sharing, and use the relevant baseband resources corresponding to the shared load to receive the shared load data sent by the EPC, so that the shared load data is correspondingly configured. After the processing, the eNB can be distributed to the corresponding UE by the requesting eNB, and the services of the eNB that are currently under load are allocated, that is, the load is shared, and can be processed by the shared eNB with lower load.
  • the overloaded requesting eNB can share the shared load that needs to be shared to a shared eNB configured in the mobility management entity, so that the UE can use the radio resources of the high-load base station and use the baseband of other low-load base stations.
  • the resources ensure the QoS of the UE, reasonably utilize the baseband resource sharing of the low-load base station, achieve the balance of the base station load, and improve the utilization of the wireless baseband resources.
  • 3 is a schematic flowchart of a load balancing processing method according to Embodiment 3 of the present invention. As shown in FIG.
  • the load sharing processing method in this embodiment may include the following steps: Step 301: The eNB is requested to acquire a current load value of the requesting eNB. Step 302: If the current load value of the requesting eNB exceeds a preset load threshold, the requesting eNB sends a resource query request (RESOURCE STATUS REQUEST) message to all the intermediate eNBs configured in the MME to which the eNB belongs, where the resource query request message carries The shared load value (Load Threshold) that needs to be shared.
  • a resource query request REQUEST
  • all the intermediate eNBs that can be interconnected through the X2 interface under the same MME may be configured as an eNB Pool and allocate a corresponding base station pool identifier (eNB Pool ID).
  • eNB Pool ID base station pool identifier
  • Each intermediate eNB in the base station pool has independence.
  • the configuration of the base station pool is simple, and the subsequent use of the network is flexible, and the expansion is extremely convenient.
  • the load value can be determined by using different policies. For example, the load value exceeding the load threshold can be determined as the expected load value, and the current service related information (for example, service type, service quality, etc.) can be determined.
  • the shared load value is determined by the above-mentioned shared load value as a shared load.
  • the resource query response message may further carry related information of the base station pool, for example: a base station pool identifier; and may also carry related information of an operator to which the intermediate eNB belongs, for example: 'Operator ID (e.g.) Subsequent use of different devices), as well as information about the business, such as: Licenses ID.
  • Table 1 shows the cells carried in the resource query request message, as shown in Table 1: Table 1 Cells carried in the resource query request message
  • the resource query request message in this step is added with a load to report list (Load To Report List) cell, which is a mandatory cell in the step of implementing the present invention.
  • Cell To Report List Cell and Reporting Periodicity cells can be omitted.
  • the load threshold (Load Threshold) is a shared load value that the requesting eNB can share with other intermediate eNBs in the same base station pool.
  • Step 303 The intermediate eNB configured in the MME receives the resource query request message according to the shared load value and its own The current load value returns a RESOURCE STATUS RESPONSE message to the requesting eNB, where the resource query response message carries the current load information (Load Information) of the intermediate base station.
  • the intermediate eNB of the MME After receiving the resource query request message, the intermediate eNB of the MME that is the eNB of the requesting eNB can determine the loadable load value of the eNB that can be shared by the eNB according to the current load value of the eNB, and share the load with the resource query request message. The load value is compared, and when the loadable load value is greater than the shared load value, the resource query response message is returned to the requesting eNB. Further, each intermediate eNB may further determine a load-sharing load value according to the service licenses (Licenses) that can be provided by the intermediate eNB. Accordingly, the resource query response message may further carry the service permission capability of the intermediate eNB (Licenses Abi lity) ). Table 2 shows the cells carried in the resource query response message, as shown in Table 2: Table 2 Cells carried in the resource query response message
  • Step 304 The requesting eNB receives the resource query response message returned by the one or more intermediate eNBs, and selects a suitable intermediate eNB according to the current load value of the corresponding intermediate eNB and the permission type of the shared load carried in the resource query response message.
  • Step 305 The requesting eNB sends a RESOURCE REASSIGN REQUEST message to the selected shared eNB, where the resource re-allocation request message is carried.
  • the load balancing method in this embodiment can share the service of the UE in two ways. One way is to request the eNB to share all the services of one UE or multiple UEs to the shared eNB, and the other method is to request the eNB to use one UE or more.
  • the information about the load sharing in the embodiment may include the UE information of the UE that performs the load sharing, and the UE information (AP ID) in the MME.
  • the sharing in this embodiment The load information needs to further include service information such as a service identifier that shares the load.
  • Step 306 The shared eNB receives the resource redistribution request message, and performs baseband resource admission for the shared load that is requested by the resource redistribution request message; Step 307 After the baseband resource is successfully accessed, the shared eNB sends a path switching request (PATH SWITCH REQUEST) message to the MME to establish user plane data corresponding to the user load, where the message carries the information of the shared negative load that needs to be shared, so as to request the sharing Sharing the negative load; Step 308, ⁇ E receives the path switch request message, and after returning with the serving gateway (S-GW) to obtain the response of the S-GW, returning a path switch request acknowledgement (PATH SWITCH REQUEST AC) message to the shared eNB At this point, the interaction between the signaling plane and the data plane between the shared eNB and the MME has been completed; Step 309: The shared eNB receives the path switch request acknowledgement message, and returns a resource reallocation response to the requesting eNB.
  • the resource re-allocation request message in step 305 may refer to a handover request (Handover Request) message in the 3GPP protocol 36.323 X2AP protocol
  • the resource re-allocation response message in step 309 may refer to the handover request in the 3GPP protocol 36.323 X2AP protocol.
  • the requesting eNB releases the baseband resource related to the shared UE.
  • the requesting eNB receives the resource re-allocation response message, and confirms that the load sharing is implemented at the signaling level.
  • Step 310 Sharing the eNB and the MME The interaction is performed, and the shared eNB interacts with the requesting eNB, and the eNB is requested to share the shared negative load that needs to be shared to the shared eNB.
  • the downlink data sent from the core network of the UE that shares the negative load is transmitted to the shared eNB, and the shared eNB passes the remote radio unit of the request eNB through the CPRI interface with the requesting eNB.
  • the Remote Radio Unit (RRU) is transmitted to the UE; the upstream data is just the opposite.
  • the load status interworking between the eNBs is implemented by the signaling interaction of the load status of the X2 interface between the eNBs.
  • a load balancing request is sent to an eNB with a lower load to implement a "handover" of loading service of the UE from one eNB to another, thereby achieving load balancing between the eNBs.
  • the signaling interaction between the eNBs is to add related cells to the existing signaling, and is implemented by using a "path switching" signaling group that interacts with the core network during handover.
  • the requesting eNB and the intermediate eNB (including the shared eNB) belong to the same ⁇ E, but they respectively serve different cells.
  • the traffic of the cells served by each eNB is different within different time periods.
  • the cell that requests the eNB to serve is the city center, and the traffic volume during the day is high, so that the load of the eNB to which the eNB is attached is heavy, the cell served by the intermediate eNB is a living area, and the traffic volume during the day is very low, so that the load of the intermediate eNB is relatively small.
  • the eNB resource utilization imbalance occurs.
  • load balancing can be implemented by scheduling sharing of the shared eNB that is lighter than other neighboring loads.
  • the eNB may be selected to interact with the intermediate eNB configured in the same MME by using signaling of the load status.
  • the shared eNB interacts with the MME of the EPC, and receives the shared load data delivered by the EPC by using the associated baseband resources that share the load between the eNB and the MME. After the eNB performs the corresponding processing on the shared load data, the eNB interacts with the requesting eNB, and the eNB allocates the processed shared load data to the corresponding UE, so that the load on the eNB that is currently overburdened, that is, the load sharing can be The light-weight shared eNB performs processing, thereby implementing "switching" of services between the eNBs.
  • the eNB When the UE does not meet the handover condition, the eNB performs the load balancing between the eNBs through the X2 interface signaling interaction, and the sharing mode is flexible.
  • the eNB can dynamically perform the "handover" between the eNBs and utilize the baseband resources of the eNB.
  • the eNB of the access cell that is, the radio resource of the requesting eNB, uses the baseband resource of the eNB, and the load balancing between the requesting eNB and the target eNB is implemented, thereby reducing the load balancing.
  • Requesting the load of the eNB improves the utilization of the wireless baseband resources and also ensures the QoS of the UE.
  • the load query and the load sharing can be implemented by using the X2 interface signaling interaction in the EPS network, and the load data transmission can be implemented by configuring the CPRI interface between the eNBs, and the load is implemented in the eNB pool configured in the ⁇ E.
  • the high-demand eNB can share the shared load that needs to be shared to a shared eNB configured in the mobility management entity, so that the user equipment UE can use the radio resources of the high-load base station and use the base of other low-load base stations.
  • the load sharing device of this embodiment may include a first acquiring module 41, a selecting module 42, a processing module 43, and a sharing module. 44.
  • the first obtaining module 41 acquires the current load value. If the current load value exceeds the preset load threshold, the selecting module 42 interacts with the intermediate base station configured in the wake-up E of the requesting base station by using the signaling of the load status.
  • the processing module 43 transmits the information of the shared load that needs to be shared to the selected shared base station, and the sharing module 44 distributes the shared load to the shared base station corresponding to the baseband resource prepared by the base station according to the information of the load sharing.
  • the foregoing method of the first embodiment of the present invention and the function of the requesting eNB in the third embodiment of the present invention can be implemented by the load sharing device provided in this embodiment.
  • the sharing module in the load sharing device of the present embodiment can share the service of the UE in two ways.
  • the sharing module allocates all services of one UE or multiple UEs to the shared base station, and the other mode is that the sharing module A part of services of one UE or multiple UEs are shared to the shared base station.
  • the information about the load sharing in the embodiment may include UE information of the UE that performs load sharing, and the access point identifier (AP ID) of the UE in the ⁇ E.
  • the information about the load sharing needs to further include service information such as a service identifier that shares the load.
  • the overloaded requesting base station can share the shared load that needs to be shared by the sharing module to a shared base station configured in the mobility management entity, so that the radio resources of the high-load base station can be used to share other low-load base stations.
  • the baseband resources realize the baseband resource sharing of the base station, thereby achieving the balance of the base station load and improving the utilization of the wireless baseband resources.
  • FIG. 5 is a schematic structural diagram of another load sharing device according to Embodiment 5 of the present invention.
  • the load sharing device of this embodiment may include a second acquiring module 51 and a preparing module 52.
  • the second obtaining module 51 receives the information about the shared load that needs to be shared by the requesting base station, and the preparing module 52 prepares the baseband resource according to the information about the shared load.
  • the requesting base station shares the shared load to the shared base station.
  • the foregoing method of the second embodiment of the present invention and the function of the eNB in the third embodiment of the present invention can be implemented by the load sharing device provided in this embodiment.
  • the preparation module in the load sharing device of the present embodiment can prepare the relevant baseband resources of the corresponding shared load between the base station and the MME according to the information about the load sharing, and implement the receiving by using the relevant baseband resources corresponding to the shared load.
  • the load data is distributed by the EPC, so that the load data can be processed accordingly, and then the base station is distributed to the corresponding UE, so that the current load is too high.
  • the shared base station performs processing.
  • the overloaded requesting base station can share the shared load that needs to be shared by the sharing module to a shared base station configured in the mobility management entity, so that the user equipment can use the radio resource of the high-load base station, and use other resources.
  • the baseband resources of the low-load base station realize the baseband resource sharing of the base station, thereby achieving the balance of the base station load and improving the utilization of the wireless baseband resources.
  • FIG. 6 is a schematic structural diagram of a load sharing system according to Embodiment 6 of the present invention.
  • the load sharing system of this embodiment may include a requesting base station 61 and a shared base station 62.
  • the requesting base station 61 is configured to acquire a current load value, and if the current load value exceeds a preset load threshold, the signaling by the load status interacts with the intermediate base station configured in the mobility management entity to which the requesting base station 61 belongs.
  • the shared base station 62 transmits the information of the shared load to be shared to the selected shared base station 62, and distributes the shared load to the shared base station 62 corresponding to the baseband resource prepared by the shared base station 62 based on the information of the shared load;
  • the base station 62 is configured to acquire information about the shared load that needs to be shared by the requesting base station 61, and prepare baseband resources according to the information about the shared load.
  • the requesting base station 61 in this embodiment may be a load sharing device provided in Embodiment 4 of the present invention.
  • the shared base station 62 in this embodiment may be another load sharing device provided in Embodiment 5 of the present invention.
  • a person skilled in the art can understand that all or part of the steps of implementing the above method embodiments may be completed by using hardware related to program instructions, and the foregoing program may be stored in a computer readable storage medium. The steps of the foregoing method embodiments are included; and the foregoing storage medium includes: various media that can store program codes, such as ROM, RAM, disk, or optical disk.

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Abstract

本发明实施例涉及负载分担方法、装置及系统，一种方法包括：获取当前负载值；若当前负载值超过预先设置的负载阈值时，通过负载状态的信令与请求基站所属MME 内配置的中间基站进行交互，选定分担基站：向选定的分担基站发送需要分担的分担负载的信息；对应分担基站根据分担负载的信息准备的资源将分担负载分担到分担基站。本发明实施例请求基站检测到负载过高时，在同一MME 内配置的基站池内选定一分担基站，将需要分担的分担负载分担到该分担基站，对于分担了业务的终端，使得其能够使用高负载基站的射频资源，分担其他低负载基站的基带资源，实现了基站的基带资源共享，从而达到了基站负载的平衡，提高了无线基带资源的利用率。

Description

负载分担方法、 装置及系统 本申请要求于 2009年 4月 23 日提交中国专利局、 申请号为 200910082554. X、 发 明名称为 "负载分担方法、 装置及系统"的中国专利申请的优先权， 其全部内容通过引 用结合在本申请中。 技术领域 本发明涉及通信技术领域， 特别涉及负载分担方法、 装置及系统。 背景技术 演进通用移动通信系统（Universal Mobile Telecommunication System,简称 UMTS ) 陆地无线接入网' (Evolved Universal Mobile Telecommunication System Territorial Radio Access Network, 简称 E- UTRAN) 和演进分组核心网 （Evolved Packet Core, 简 称 EPC) 构成了演进分组系统 （Evolved Packet System, 简称 EPS)。 E- UTRAN 由基站 (Evolved Node B， 简称 eNB) 构成， 在 EPS网络这个扁平的系统架构中， eNB与 eNB 之间的负载状况可以通过互连的 X2接口进行信令交互， 每个 eNB服务不同的小区。 每 个 eNB与 EPC的移动性管理实体 （Mobility Management Entity, 简称 MME) 通过 SI 接口相连。
在实现本发明的过程中发明人发现现有技术至少存在如下问题： 上述系统中， 在不 同的时间段之内， 每个 eNB服务的小区的业务量是不相同的。 业务量低的小区所属 eNB 的负载较小， 业务量高的小区所属 eNB的负载较大， 这就导致了 eNB负载的不平衡， 降 低了无线基带资源的利用率。 发明内容
本发明实施例提供负载分担方法、 装置及系统， 。
本发明实施例提供了一种负载分担方法， 包括：
获取当前负载值；
若所述当前负载值超过预先设置的负载阈值时，通过负载状态的信令与请求基站所 属移动性管理实体内配置的中间基站进行交互， 选定分担基站；
向选定的所述分担基站发送需要分担的分担负载的信息；
更正页 ^细则第 91条) 对应所述分担基站根据所述分担负载的信息准备的基带资源将所述分担负载分担 到所述分担基站。
本发明实施例提供了另一种负载分担方法， 包括：
当请求基站当前负载值超过预先设置的负载阈值时，接收所述请求基站发送的需要 分担的分担负载的信息；
根据所述分担负载的信息准备基带资源， 以供所述请求基站将所述分担负载分担到 分担基站。
本发明实施例还提供了一种负载分担装置， 包括：
第一获取模块， 用于获取当前负载值；
选取模块， 用于若所述当前负载值超过预先设置的负载阈值时， 通过负载状态的信 令与请求基站所属移动性管理实体内配置的中间基站进行交互， 选定分担基站；
处理模块， 用于向选定的所述分担基站发送需要分担的分担负载的信息； 分担模块， 用于对应所述分担基站根据所述分担负 的信息准备的基带资源将所述 分担负载分担到所述分担基站。
本发明实施例还提供了另一种负载分担装置， 包括：
第二获取模块， 用于当请求基站当前负载值超过预先设置的负载阈值时， 接收所述 请求基站发送的需要分担的分担负载的信息；
准备模块， 用于根据所述分担负载的信息准备基带资源， 以供所述请求基站将所述 分担负载分担到分担基站。
本发明实施例再提供了一种负载分担系统， 包括请求基站和分担基站， 其中： 所述请求基站用于获取当前负载值， 若所述当前负载值超过预先设置的负载阈值 时，通过负载状态的信令与所述请求基站所属移动性管理实体内配置的中间基站进行交 互， 选定所述分担基站， 向选定的所述分担基站发送需要分担的分担负载的信息， 对应 所述分担基站根据所述分担负载的信息准备的基带资源将所述分担负载分担到所述分 担基站； .
所述分担基站用于获取请求基站发送的需要分担的分担负载的信息，根据所述分担 负载的信息准备基带资源。
由上述技术方案可知， 本发明实施例请求基站检测到负载过高时， 在同一移动性管 理实体内配置的中间基站内选定一分担基站， 将需要分担的分担负载分担到该分担基 站， 对于分担了业务的终端而言， 使得其能够使用高负载基站即请求基站的射频资源，
更正; έ (细则第 91条) 并使用其他低负载基站即分担基站的基带资源， 实现了基站的基带资源共享， 从而达到 了基站负载的平衡， 提高了无线基带资源的利用率， 同时可以充分利于运营商的不同设 备， 从而呢节省了成本。 附图说明 为了更清楚地说明本发明实施例或现有技术中的技术方案， 下面将对实施例或现有 技术描述中所需要使用的附图作简单地介绍， 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性的前提下， 还可以根据这些附图获得其他的附图。
图 1为本发明实施例一提供的一种负载分担方法的流程示意图；
图 2为本发明实施例二提供的另一种负载分担方法的流程示意图；
图 3为本发明实施例三提供的负载分担处理方法的流程示意图；
图 4为本发明实施例四提供的一种负载分担装置的结构示意图；
图 5为本发明实施例五提供的另一种负载分担装置的结构示意图；
图 6为本发明实施例六提供的负载分担系统的结构示意图。 具体实施方式 下面将结合本发明实施例中的附图， 对本发明实施例中的技术方案进行清楚、 完整 地描述， 显然， 所描述的实施例仅仅是本发明一部分实施例， 而不是全部的实施例。 基 于本发明中的实施例， 本领域普通技术人员在没有做出创造性劳动前提下所获得的所有 其他实施例， 都属于本发明保护的范围。 图 1为本发明实施例一提供的一种负载分担方法的流程示意图， 如图 1所示， 本实施 例的负载分担方法可以包括以下步骤： 步骤 101、 获取当前负载值； 步骤 102、 若当前负载值超过预先设置的负载阈值时， 通过负载状态的信令与请求 eNB所属 MME内配置的中间 eNB进行交互， 选定分担 eNB； 步骤 103、 向选定的分担 eNB发送需要分担的分担负载的信息；
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更正页 (细则第 91条) 步骤 104、对应分担 eNB根据上述分担负载的信息准备的基带资源将上述分担负载分 担到分担 eNB。 本实施例中的负载阈值为请求 eNB能够保证 UE的服务质量 （Qual ity of Service, 简称 QoS ) 的负载阈值： 低于该负载阈值时， 请求 eNB能够保证接入 UE的 QoS; 高于该负 载阈值时， 请求 eNB无法保证接入 UE的 QoS。 本实施例提供的负载分担方法具体可以采用两种方式分担 UE的业务， 一种方式为请 求 eNB将一个 UE或多个 UE的全部业务分担给分担 eNB, 另一种方式为请求 eNB将一个 UE或 多个 UE的部分业务分担给分担 eNB。 对于前者而言， 本实施例中的分担负载的信息可以 包括进行分担负载的 UE的上下文信息、 MME中 UE的标识 （AP ID ) 等 UE信息； 对于后者而 言， 本实施例中的分担负载的信息还需要进一步包括分担负载的业务标识等业务信息。 本实施例中， 负载过高的请求 eNB能够将需要分担的分担负载分担到所属移动性管 理实体内配置的一个或多个分担 eNB， 使得 UE能够使用高负载基站的射频资源， 使用其 他低负载基站的基带资源以保证 UE的 QoS, 合理地利用了低负载基站的基带资源共享， 达到了基站负载的平衡， 提高了无线基带资源的利用率。 图 2为本发明实施例二提供的另一种负载分担方法的流程示意图， 如图 2所示， 本实 施例的负载分担方法可以包括以下步骤： 步骤 201、 当请求基站当前负载值超过预先设置的负载阈值时， 接收上述请求 eNB发 送的需要分担的分担负负载的信息； 步骤 202、 根据上述分担负负载的信息准备基带资源， 以供请求 eNB将上述分担负载 分担到分担 eNB。 本实施例提供的负载分担方法具体可以采用两种方式分担 UE的业务， 一种方式为请 求 eNB将一个 UE或多个 UE的全部业务分担给分担 eNB, 另一种方式为请求 eNB将一个 UE或 多个 UE的部分业务分担给分担 eNB。 对于前者而言， 本实施例中的分担负载的信息可以 包括进行分担负载的 UE的上下文信息、 MME中 UE的标识 （AP ID) 等 UE信息； 对于后者而 言， 本实施例中的分担负载的信息还需要进一步包括分担负载的业务标识等业务信息。 分担 eNB可以根据上述分担负载的信息准备 eNB与 MME之间的对应分担负载的相关基带资 源， 利用对应分担负载的相关基带资源实现接收 EPC下发的分担负载数据， 从而使得对 分担负载数据进行相应的处理之后.， 能够通过请求 eNB分发至相应的 UE, 实现了当前负 载过高的请求 eNB上一些业务即分担负载， 能够由负载较低的分担 eNB进行处理。
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更正页 (细则第 91条） 本实施例中， 负载过高的请求 eNB能够将需要分担的分担负载分担到所属移动性管 理实体内配置的一分担 eNB， 使得 UE能够使用高负载基站的射频资源， 使用其他低负载 基站的基带资源以保证 UE的 QoS， 合理地利用了低负载基站的基带资源共享， 达到了基 站负载的平衡， 提高了无线基带资源的利用率。 图 3为本发明实施例三提供的负载分担处理方法的流程示意图， 如图 3所示， 本实施 例的负载分担处理方法可以包括以下步骤： 步骤 301、 请求 eNB获取请求 eNB的当前负载值； 步骤 302、 若请求 eNB的当前负载值超过预先设置的负载阈值时， 请求 eNB向请求 eNB 所属 MME内配置的所有中间 eNB发送资源查询请求 （RESOURCE STATUS REQUEST) 消息， 该资源查询请求消息中携带有需要分担的分担负载值 （Load Threshold) 。 本实施例中， 可以预先将属于同一个 MME下的全部能够通过 X2口互连的中间 eNB配置 成基站池 （eNB Pool ) ， 并分配相应的基站池标识 （eNB Pool ID) 。 基站池中的各个 中间 eNB具有独立性， 基站池的配置简单， 后续利用起来组网的方式较灵活， 而且扩容 极为方便。 其中的分担负载值的确定可以采用不同策略， 例如： 可以将超过负载阈值的负载值 确定为期望的分担负载值， 还可以根据当前业务的相关信息 （例如： 业务类型、 业务质 量等） 确定适当的分担负载值， 上述分担负载值对应的业务即相应地确定为分担负载。 进一步地， 该资源查询响应消息中还可以携带基站池的相关信息， 例如： 基站池标 识； 还可以携带对应中间 eNB所属运营商的相关信息， 例如:'运营商标识（Operater ID) (以便于后续利用不同的设备）， 以及业务的相关信息，例如：业务许可标识（Licenses ID) 。 表 1为资源査询请求消息中携带的信元， 如表 1所示： 表 1 资源查询请求消息中携带的信元
Figure imgf000006_0001
更正页 (细则第 91条) 上报负载信息列表 ( Load To Report List ) 必选（ M ) 新增
>基站池 ID ( eNodeB Pool ID ) 必选（ M ) 新增
>负载门限（ Load Threshold ) 必选（ M ) 新增
>运营商 ID ( Operator ID ) 必选（ M ) 新增
本步骤中的资源査询请求消息与现有的信令相比， 新增了上报负载信息列表（Load To Report List )信元，该信元在本发明实施中的步骤中为必选信元，小区上报列表（Cell To Report List ) 信元和上报周期 (Reporting Periodicity) 信元可以不选用。 负载 门限 （Load Threshold) 为请求 eNB期望同一个基站池内的其他中间 eNB可以分担的分担 负载值； 步骤 303、 MME内配置的中间 eNB接收到资源査询请求消息， 分别根据分担负载值和 自身的当前负载值向请求 eNB返回资源查询响应 （RESOURCE STATUS RESPONSE) 消息， 该资源查询响应消息中携带有对 ^中间基站的当前负载信息 （Load Information) 。 请求 eNB所属 MME下的中间 eNB接收到资源查询请求消息之后， 可以根据获取的自身 的当前负载值确定出自身可以分担请求 eNB的可分担负载值， 并与资源査询请求消息中 所携带的分担负载值进行比较， 当可分担负载值大于分担负载值时， 向请求 eNB返回资 源查询响应消息。 进一步地， 每个中间 eNB还可以进一步根据自身能够提供的业务许可 (Licenses )确定可分担负载值， 相应地， 上述的资源査询响应消息中还可以携带中间 eNB的业务许可能力 （Licenses Abi lity) 。 表 2为资源查询响应消息中携带的信元， '如 表 2所示： 表 2 资源査询响应消息中携带的信元
Figure imgf000007_0001
本步骤中的资源査询响应消息与现有的信令相比， 新增了上报负载信息列表（Load To Report List ) 信元， 该信元在本步骤中为必选信元； 更正页 (¾则第 91条) 步骤 304、 请求 eNB接收到一个或多个中间 eNB返回的资源査询响应消息， 根据资源 查询响应消息中所携带的对应中间 eNB的当前负载值和该分担负载的许可类型选择出合 适的中间 eNB作为分担 eNB， 例如： 选定当前负载值最小的中间 eNB作为分担 eNB; 步骤 305、 请求 eNB向选定的分担 eNB发送资源重分配请求 （RESOURCE REASSIGN REQUEST ) 消息， 该资源重分配请求消息中携带有需要分担的分担负载的信息， 以供分 担 eNB准备与分担负载对应的基带资源。 本实施例的负载分担方法可以采用两种方式分担 UE的业务， 一种方式为请求 eNB将 一个 UE或多个 UE的全部业务分担给分担 eNB， 另一种方式为请求 eNB将一个 UE或多个 UE的 部分业务分担给分担 eNB。 对于前者而言， 本实施例中的分担负载的信息可以包括进行 分担负载的 UE的上下文信息、 MME中 UE的标识 （AP ID ) 等 UE信息； 对于后者而言， 本实 施例中的分担负载的信息还需要进一步包括分担负载的业务标识等业务信息； 步骤 306、 分担 eNB接收到资源重分配请求消息， 对该资源重分配请求消息所请求分 担的分担负载进行基带资源准入； 步骤 307、 基带资源准入成功之后， 分担 eNB向 MME发送建立用户对应负载的用户面 数据的路径切换请求 （PATH SWITCH REQUEST ) 消息， 该消息中携带有需要分担的分担 负负载的信息， 以请求分担对应分担负负载； 步骤 308、 匪 E接收到路径切换请求消息， 在与服务网关（S- GW)进行交互得到 S - GW 的响应之后， 向分担 eNB返回路径切换请求确认 （PATH SWITCH REQUEST AC ) 消息， 至 此， 分担 eNB与 MME之间的信令面与数据面的交互已经完成； 步骤 309、 分担 eNB接收到路径切换请求确认消息， 向请求 eNB返回资源重分配响应
(RESOURCE REASSIGN RESPONSE) 消息。 步骤 305中的资源重分配请求消息可以参考 3GPP协议 36. 323 X2AP协议中的切换请求 (Handover Request )消息，步骤 309中的资源重分配响应消息可以参考 3GPP协议 36. 323 X2AP协议中的切换请求确认 （Handover Request Ack ) 消息。 请求 eNB接收到资源重分配响应消息之后， 释放与分担 UE相关的基带资源， 至此， 请求 eNB接收到资源重分配响应消息， 确认负载分担在信令层面上已经实现； 步骤 310、 分担 eNB与 MME进行交互， 以及分担 eNB与请求 eNB进行交互， 请求 eNB将需 要分担的分担负负载分担到分担 eNB。
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更正页 (细则第 91条) 至此， 实现了将分担了负负载的 UE的从核心网下发的下行数据发送到分担 eNB， 再 由分担 eNB通过与请求 eNB之间的 CPRI接口，将数据利用请求 eNB的远端射频单元（Remote Radio Unit , 简称 RRU) 发射给 UE; 上行数据则正好相反。 本实施例中， 通过 eNB之间 X2接口的负载状态的信令的交互， 实现了 eNB间的负载状 况互通。 当某 eNB出现负载不平衡时， 通过向负载较低的 eNB发送负载分担请求， 实现将 UE的负载业务从一个 eNB到另一个 eNB的 "切换"， 从而实现了 eNB间的负载平衡。 eNB间 的信令交互是在现有的信令上增加相关的信元，利用切换时与核心网交互的 "路径切换" 信令组来共同实现的。 本实施例中， 请求 eNB与中间 eNB (包括分担 eNB ) 虽然相邻即属于同一匪 E， 但其分 别服务不同的小区。 在不同的时间段之内， 每个 eNB服务的小区的业务量是不相同的。 例如： 请求 eNB服务的小区为市中心， 白天话务量很高， 致使所属请求 eNB的负载较重， 中间 eNB服务的小区为生活区， 白天话务量很低， 致使所属中间 eNB的负载较轻， 出现了 eNB资源利用情况不平衡， 本实施例可以在请求 eNB的负载过重时， 通过与其他相邻负载 较轻的分担 eNB的调度分担来实现负载平衡。 本实施例中， 请求 eNB的负载过重时， 可以 通过负载状态的信令与所属同一 MME内配置的中间 eNB进行交互选定分担 eNB。分担 eNB与 EPC的 MME进行交互， 利用分担 eNB与 MME之间的对应分担负载的相关基带资源接收 EPC下 发的分担负载数据。分担 eNB对分担负载数据进行相应的处理之后，与请求 eNB进行交互， 通过请求 eNB将经过处理的分担负载数据分发至相应的 UE， 使得当前负载过重的请求 eNB 上一些业务即分担负载能够由负载较轻的分担 eNB进行处理， 从而实现了 eNB间业务的 "切换" 。
在 UE不满足切换条件时， eNB间通过 X2接口信令交互进行 eNB间负载分担， 且分担方 式灵活， 能够动态地对分担负载实现 eNB间的 "切换" ， 合理地利用了 eNB的基带资源。 对于分担了负载的 UE而言， 此时使用的是接入小区所属 eNB即请求 eNB的射频资源， 使用 的是分担 eNB的基带资源， 实现了请求 eNB与目的 eNB的负载平衡， 从而减小了请求 eNB的 负载， 提高了无线基带资源的利用率， 同时也保证了 UE的 QoS。 本实施例中， 在 EPS网络中能够利用 X2接口信令交互实现负载査询和负载分担， 以 及可以利用 eNB间配置 CPRI接口实现负载数据传输，' 实现了匪 E内配置的 eNB池内， 负载 过高的请求 eNB能够将需要分担的分担负载分担到所属移动性管理实体内配置的一分担 eNB, 使得用户设备 UE能够使用高负载基站的射频资源， 同时使用其他低负载基站的基
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更正页 (细则第 91条) 带资源， 实现了基站的基带资源共享， 从而达到了基站负载的平衡， 提高了无线基带资 源的利用率。 图 4为本发明实施例四提供的一种负载分担装置的结构示意图， 如图 4所示， 本实施 例的负载分担装置可以包括第一获取模块 41、 选取模块 42、 处理模块 43和分担模块 44。 其中， 第一获取模块 41获取当前负载值， 若检测到当前负载值超过预先设置的负载阈值 时，选取模块 42则通过负载状态的信令与请求基站所属醒 E内配置的中间基站进行交互， 选定分担基站； 处理模块 43则向选定的分担基站发送需要分担的分担负载的信息， 分担 模块 44对应分担基站根据分担负载的信息准备的基带资源将分担负载分担到分担基站。 上述本发明实施例一的方法和本发明实施例三中请求 eNB的功能均可以由本实施例 提供的负载分担装置实现。
本实施例的负载分担装置中的分担模块可以采用两种方式分担 UE的业务，一种方式 为分担模块将一个 UE或多个 UE的全部业务分担给分担基站， 另一种方式为分担模块将一 个 UE或多个 UE的部分业务分担给分担基站。对于前者而言， 本实施例中的分担负载的信 息可以包括进行分担负载的 UE的上下文信息、匪 E中 UE的接入点标识（AP ID)等 UE信息； 对于后者而言， 本实施例中的分担负载的信息还需要进一步包括分担负载的业务标识等 业务信息。 本实施例中， 负载过高的请求基站能够通过分担模块将需要分担的分担负载分担到 所属移动性管理实体内配置的一分担基站， 使得能够使用高负载基站的射频资源， 分担 其他低负载基站的基带资源，实现了基站的基带资源共享，从而达到了基站负载的平衡， 提高了无线基带资源的利用率。
图 5为本发明实施例五提供的另一种负载分担装置的结构示意图， 如图 5所示， 本实 施例的负载分担装置可以包括第二获取模块 51和准备模块 52。 其中， 当请求基站当前负 载值超过预先设置的负载阈值时，第二获取模块 51接收上述请求基站发送的需要分担的 分担负载的信息， 准备模块 52根据上述分担负载的信息准备基带资源， 以供该请求基站 将上述分担负载分担到分担基站。 上述本发明实施例二的方法和本发明实施例三中分担 eNB的功能均可以由本实施例 提供的负载分担装置实现。 本实施例的负载分担装置中的准备模块可以根据上述分担负载的信息准备基站与 MME之间的对应分担负载的相关基带资源， 利用对应分担负载的相关基带资源实现接收
9
更正页 (细则第 91条） EPC下发的分担负载数据， 从而使得可以对分担负载数据进行相应的处理之后， 通过请 求基站分发至相应的 UE， 实现了当前负载过高的请求基站上一些业务即分担负载能够由 负载较低的分担基站进行处理。 本实施例中， 负载过高的请求基站能够通过分担模块将需要分担的分担负载分担到 所属移动性管理实体内配置的一分担基站，使得用户设备能够使用高负载基站的射频资 源， 并且使用其他低负载基站的基带资源， 实现了基站的基带资源共享， 从而达到了基 站负载的平衡， 提高了无线基带资源的利用率。 图 6为本发明实施例六提供的负载分担系统的结构示意图， 如图 6所示， 本实施例的 负载分担系统可以包括请求基站 61和分担基站 62。 其中： 请求基站 61用于获取当前负载值， 若上述当前负载值超过预先设置的负载阈值时， 通过负载状态的信令与上述请求基站 61所属移动性管理实体内配置的中间基站进行交 互， 选定上述分担基站 62， 向选定的上述分担基站 62发送需要分担的分担负载的信息， 对应上述分担基站 62根据上述分担负载的信息准备的基带资源将上述分担负载分担到 上述分担基站 62; 分担基站 62用于获取请求基站 61发送的需要分担的分担负载的信息，根据上述分担 负载的信息准备基带资源。
本实施例中的请求基站 61可以为本发明实施例四提供的一种负载分担装置， 本实施 例中的分担基站 62可以为本发明实施例五提供的另一种负载分担装置。 本领域普通技术人员可以理解： 实现上述方法实施例的全部或部分步骤可以通过程 序指令相关的硬件来完成， 前述的程序可以存储于一计算机可读取存储介质中， 该程序 在执行时， 行包括上述方法实施例的步骤; 而前述的存储介质包括： R0M、 RAM、 磁碟 或者光盘等各种可以存储程序代码的介质。 最后应说明的是： 以上实施例仅用以说明本发明的技术方案， 而非对其限制； 尽管 参照前述实施例对本发明进行了详细的说明， 本领域的普通技术人员应当理解： 其依然 可以对前述各实施例所记载的技术方案进行修改，或者对其中部分技术特征进行等同替 换； 而这些修改或者替换， 并不使相应技术方案的本质脱离本发明各实施例技术方案的 精神和范围。

Claims

权利要求
1、 一种负载分担方法， 其特征在于， 包括：
获取请求基站的当前负载值；
当所述请求基站的当前负载值超过预先设置的负载阈值时， 从与所述请求基站属于 同一移动性管理实体的中间基站中选择分担基站；
向选定的所述分担基站发送分担负载的信息；
对应所述分担基站根据所述分担负载的信息准备的基带资源将所述分担负载分担 到所述分担基站。
2、 根据权利要求 1所述的方法， 其特征在于， 所述从与所述请求基站属于同一移动 性管理实体的中间基站中选择分担基站具体包括：
向所述中间基站发送资源查询请求消息，所述资源査询请求消息中携带有分担负载 值；
接收一个或多个所述中间基站返回的资源査询响应消息，所述资源查询响应消息中 携带有对应中间基站的当前负载值；
根据所述对应中间基站的当前负载值选定至少一个中间基站作为分担基站。
3、 根据权利要求 2所述的方法， 其特征在于， 所述资源査询请求消息中还携带以下 标识中的一种或多种： 基站池标识、 运营商标识、 业务许可标识。
4、 根据权利要求 1所述的方法， 其特征在于，
所述向选定的所述分担基站发送分担负载的信息包括： 向所述分担基站发送资源重 分配请求消息， 所述资源重分配请求消息中携带有所述分担负载的信息。
5、 根据权利要求 1至 4任意一项所述的方法， 其特征在于， 所述分担负载的信息包 括所述分担负载对应的终端的上下文信息和所述移动性管理实体中所述终端标识。
6、 根据权利要求 5所述的方法， 其特征在于， 所述分担负载的信息还包括： 所述分 担负载的业务标识。
7、 根据权利要求 2至 4任意一项所述的方法， 其特征在于， 所述分担负载值为超过 所述预先设置的负载阈值的负载值或者根据当前业务相关信息确定。
8、 一种负载分担方法， 其特征在于， 包括：
接收请求基站发送的分担负载的信息；
根据所述分担负载的信息准备基带资源， 以供所述请求基站将所述分担负载分担到 分担基站。
11
更正页 (细则第 91条)
9、 根据权利要求 8所述的方法， 其特征在于，
所述接收所述请求基站发送的分担负载的信息包括：
接收所述接收请求基站发送的资源重分配请求消息，所述资源重分配请求消息中携 带有所述分担负载的信息；
所述根据所述分担负载的信息准备基带资源包括：
对所述资源重分配请求消息所请求分担的分担负载进行基带资源准入； 向所述移动性管理实体发送路径切换请求消息，所述消息中携带有所述分担负载的 信息， 以请求分担所述分担负载。
10、 根据权利要求 8或 9所述的方法， 其特征在于， 所述分担负载的信息包括所述分 担负载对应的终端的上下文信息和所述移动性管理实体中所述终端标识。
11、 根据权利要求 10所述的方法， 其特征在于， 所述分担负载的信息还包括： 所述 分担负载的业务标识。
12、 一种负载分担装置， 其特征在于， 包括：
第一获取模块， 用于获取请求基站当前负载值；
选取模块， 用于若所述请求基站当前负载值超过预先设置的负载阈值时， 从与请求 基站属于同一移动性管理实体的中间基站中选择分担基站；
处理模块， 用于向选定的所¾分担基站发送分担负载的信息；
分担模块， 用于对应所述分担基站根据所述分担负载的信息准备的基带资源将所述 分担 载分担到所述分担基站。
13、 一种负载分担装置， 其特征在于， 包括：
第二获取模块， 用于接收所述请求基站发送的分担负载的信息；
准备模块， 用于根据所述分担负载的信息准备基带资源， 以供所述请求基站将所述 分担负载分担到分担基站。 .
14、 一种负载分担系统， 其特征在于， 包括请求基站和分担基站， 其中： 所述请求基站用于获取所述请求基站自身当前负载值， 若所述请求基站自身当前负 载值超过预先设置的负载阈值时， 从与所述请求基站属于同一移动性管理实体的中间基 站中选择所述分担基站， 向选定的所述分担基站发送的分担负载的信息， 对应所述分担 基站根据所述分担负载的信息准备的基带资源将所述分担负载分担到所述分担基站； 所述分担基站用于接收所述请求基站发送的分担负载的信息， 根据所述分担负载的 信息准备基带资源。
12
更正页 (细则第 91条)
PCT/CN2010/072095 2009-04-23 2010-04-23 负载分担方法、装置及系统 WO2010121560A1 (zh)

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US20130286841A1 (en) 2013-10-31
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BRPI1014273A2 (pt) 2016-04-05
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EP2739082A3 (en) 2014-06-11
EP2739082B1 (en) 2019-01-16
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EP2528380A2 (en) 2012-11-28
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