WO2012009863A1 - 一种节能小区的选择方法和基站 - Google Patents

一种节能小区的选择方法和基站 Download PDF

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Publication number
WO2012009863A1
WO2012009863A1 PCT/CN2010/075443 CN2010075443W WO2012009863A1 WO 2012009863 A1 WO2012009863 A1 WO 2012009863A1 CN 2010075443 W CN2010075443 W CN 2010075443W WO 2012009863 A1 WO2012009863 A1 WO 2012009863A1
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WIPO (PCT)
Prior art keywords
cell
load
base station
ues
information
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PCT/CN2010/075443
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English (en)
French (fr)
Inventor
方建民
高音
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中兴通讯股份有限公司
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.)
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Priority to PCT/CN2010/075443 priority Critical patent/WO2012009863A1/zh
Publication of WO2012009863A1 publication Critical patent/WO2012009863A1/zh

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Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W52/00Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/02Power saving arrangements
    • H04W52/0209Power saving arrangements in terminal devices
    • H04W52/0225Power saving arrangements in terminal devices using monitoring of external events, e.g. the presence of a signal
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02DCLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00Reducing energy consumption in communication networks
    • Y02D30/70Reducing energy consumption in communication networks in wireless communication networks

Definitions

  • the present invention relates to the field of wireless communications, and in particular, to a method and a base station for selecting an energy-saving cell.
  • the Long Term Evolution (LTE) network of the third generation mobile communication consists of the Evolved Universal Terrestrial Radio Access Network (E-UTRAN) and the Evolved Packet Core (Evolved Packet Core). , referred to as EPC) network composition.
  • the E-UTRAN includes a set of Evolved NodeBs (hereinafter referred to as eNBs, ie, eNBs), and the EPC includes a Mobile Management Entity (MME) and a Serving Gateway (S-GW).
  • MME Mobile Management Entity
  • S-GW Serving Gateway
  • the network architecture is flat.
  • the eNB and the MME/S-GW are connected through the S1 interface, and the eNBs can be connected through the X2 interface.
  • Sl and X2 are logical interfaces.
  • One MME/S-GW may manage one or more eNBs, and one eNB may also be controlled by multiple MME/S-GWs.
  • An eNB can manage one or more cells.
  • the advanced LTE (LTE Advanced, LTE-A for short) system evolved from the LTE system, and the network architecture is consistent with LTE.
  • LTE-A some new technologies such as Carrier Aggregation (CA), Cooperative Multipoint and Relay are used to enhance system performance.
  • CA Carrier Aggregation
  • Cooperative Multipoint Cooperative Multipoint
  • Relay Cooperative Multipoint
  • LTE-A proposes a CA technology, which aims to provide a larger bandwidth for user equipment (User Equipment, UE for short) with corresponding capabilities, and improve the peak rate of the UE.
  • the maximum downlink transmission bandwidth supported by the system is 20 MHz.
  • the CA technology aggregates two or more component carriers (CCs) to support transmission bandwidths greater than 20 MHz and no more than 100 MHz.
  • CCs component carriers
  • the base station assigns a primary component carrier (PCC) to the UE, and other component carriers are called secondary components.
  • PCC Primary Component Carrier
  • SCC Secondary Component Carrier
  • Pcell Primary Cell
  • Scell Secondary Cell
  • Scell Secondary Cell
  • NAS Non-Access Stadium
  • E-UTRAN Cell Global Identifier E-UTRAN Cell ID
  • TAI Track Area Identity
  • the UE accesses the network from the idle (IDLE) state and enters the connected state the accessed cell is the Pcell.
  • the radio resource control Radio Resource Control, RRC for short
  • the base stations in the wireless communication network are not only large in the network but also consume a lot of energy. How to reduce the energy consumption of the base station is a key energy-saving measure.
  • the traffic volume in a wireless communication network fluctuates with time and place. For example, during business hours, the business volume of the office area will be relatively high, the business volume of the residential area will be relatively low, and the non-working time will be reversed.
  • the communication network is generally built according to the demand of local business volume during peak periods. The runtime also turns on all cells of all base stations that are constructed. In this way, when the business volume is relatively low, the wireless communication capability is excessive. If the part of the cell with low traffic can be dormant, and the continuity of the network coverage and the network capacity can be guaranteed, the wireless communication network in operation will have a good energy saving effect.
  • the UE When the cell supporting the carrier aggregation is dormant, if the UE is the Pcell of the cell, the UE needs to initiate a handover to convert the Pcell. The more UEs that are dormant cells are Pcells, the more handovers need to be initiated, which will reduce user experience and network performance.
  • the cell supporting the carrier aggregation can also be accessed by the UE as a normal cell. If the cell is dormant, the UE needs to switch to another cell. Therefore, how to properly sleep the cell supporting carrier aggregation to ensure that the user experience and network performance are minimized while achieving the purpose of energy saving is an urgent problem to be solved.
  • the technical problem to be solved by the present invention is to provide a method for selecting an energy-saving cell and a base station to select an appropriate cell for sleep, so that the number of handovers caused by cell sleep is small.
  • the present invention provides a method for selecting a power-saving cell, including: performing, by a base station, load detail information of a cell that supports carrier aggregation, and selecting a cell to perform sleep; or a cell that the base station aggregates according to a carrier that is supported by the base station. The load details information, select the cell to sleep.
  • the base station exchanges load detail information of the cell that supports the carrier aggregation
  • the step of selecting the cell to perform the sleep includes: the first base station sends the load information of the cell managed by the first base station to the neighbor by using the resource status update message.
  • a second base station where the load information of the cell supporting the carrier aggregation includes load detail information, and the second base station is one or more;
  • the first base station receives the cell sleep request message sent by the second base station, where
  • the cell dormancy request message carries information about the to-be-sleep cell selected by the second base station according to the load detail information; the first base station sets, according to the cell dormancy request message, the to-be-sleep selected by the second base station.
  • the base station exchanges load detail information of the cell that supports the carrier aggregation
  • the step of selecting the cell to perform the sleep includes: receiving, by the first base station, a resource status update message sent by the neighboring second base station, where the resource status update message is carried
  • the load information of the cell managed by the second base station where the load information of the cell supporting the carrier aggregation includes load detail information, and the second base station is one or more; the first base station according to the received
  • the load detail information is selected to be a dormant cell, and the cell sleep request message is sent to the base station to which the to-be-sleep cell belongs, and the cell dormancy request message carries the information of the to-be-sleep cell.
  • the load detail information of the cell supporting the carrier aggregation includes two or all of the following information: a negative generated by a user equipment (UE) of the cell as a primary serving cell (Pcell) a load, a load generated by a UE that uses the cell as a secondary serving cell (Scell), a load generated by a UE that uses the cell as a normal cell; and/or a load detail of the cell that supports the carrier aggregation
  • the information includes two or all of the following information: the number of UEs in which the cell is a Pcell, the number of UEs in which the cell is an Scell, and the number of UEs in which the cell is a normal cell.
  • the load detail information of the cell supporting the carrier aggregation includes one or all of the following information: a load generated by a user equipment (UE) of the cell as a primary serving cell (Pcell), The load generated by the UE of the secondary serving cell (Scell), wherein the load generated by the UE whose cell is the Pcell includes the load generated by the UE whose cell is a normal cell; and/or
  • the load detail information of the cell that supports carrier aggregation includes one or all of the following information: the number of UEs in which the cell is a Pcell, and the number of UEs in which the cell is an Scell, where the cell is The number of UEs of the Pcell includes the number of UEs in which the cell is a normal cell.
  • the load quantity is expressed in the form of a percentage of the total load of the cell, or is represented by an absolute value consistent with the total load amount representation of the cell; the number of the UE is in the form of a percentage of the total number of UEs of the cell.
  • the present invention provides a base station, including a sending module and a receiving module, where: the sending module is configured to: send load information of a cell under its jurisdiction to other neighboring base stations; The load information of the cell includes load detail information.
  • the receiving module is configured to: receive information about a cell to be dormant sent by another base station, and set the to-be-sleep cell to sleep.
  • the sending module is configured to: send the load information of the cell managed by the base station to another neighboring base station by using a resource status update message; where the load information of the cell supporting the carrier aggregation includes load detail information;
  • the receiving module is configured to: receive a cell dormancy request message sent by another base station, where the cell dormancy request message carries information of the cell to be dormant; and, according to the cell dormancy request message, set the to-be-sleep cell to perform sleep .
  • the receiving module is further configured to: receive a resource status update message sent by another base station, select a to-be-sleep cell according to the load detail information of the support carrier aggregation cell carried in the resource status update message, and notify the sending module;
  • the sending module is further configured to: send a cell dormancy request message to the base station to which the to-be-sleeped cell belongs, and the cell dormancy request message carries the information of the to-be-sleep cell.
  • the load detail information of the cell supporting the carrier aggregation includes two or all of the following information: a load generated by a user equipment (UE) of the cell as a primary serving cell (Pcell), The load generated by the UE of the secondary serving cell (Scell), the load generated by the UE whose cell is the normal cell; and/or the load detail information of the cell supporting the carrier aggregation includes the following information. Two or all: The number of UEs in which the cell is a Pcell, the number of UEs in which the cell is a Scell, and the number of UEs in which the cell is a normal cell.
  • Pcell primary serving cell
  • Scell secondary serving cell
  • the load detail information of the cell supporting the carrier aggregation includes the following information. Two or all: The number of UEs in which the cell is a Pcell, the number of UEs in which the cell is a Scell, and the number of UEs in which the cell is a normal cell.
  • the load detail information of the cell supporting the carrier aggregation includes one or all of the following information: a load generated by a user equipment (UE) of the cell as a primary serving cell (Pcell), The load generated by the UE of the secondary serving cell (Scell), wherein the load generated by the UE whose cell is the Pcell includes the load generated by the UE whose cell is a normal cell; and/or
  • the load detail information of the cell that supports carrier aggregation includes one or all of the following information: the number of UEs in which the cell is a Pcell, and the number of UEs in which the cell is an Scell, where the cell is The number of UEs of the Pcell includes the number of UEs in which the cell is a normal cell.
  • the load quantity is expressed in the form of a percentage of the total load of the cell, or is represented by an absolute value consistent with the total load amount representation of the cell; the number of the UE is in the form of a percentage of the total number of UEs of the cell.
  • the present invention provides a base station, including a selection module, where: the selection module is configured to: select a cell to perform sleep according to load detail information of a carrier aggregation cell supported by the base station.
  • the load detail information of the cell supporting the carrier aggregation includes two or all of the following information: a load generated by a user equipment (UE) of the cell as a primary serving cell (Pcell), The load generated by the UE of the secondary serving cell (Scell), the load generated by the UE whose cell is the normal cell; and/or the load detail information of the cell supporting the carrier aggregation includes the following information. Two or all: The number of UEs in which the cell is a Pcell, the number of UEs in which the cell is a Scell, and the number of UEs in which the cell is a normal cell.
  • Pcell primary serving cell
  • Scell secondary serving cell
  • the load detail information of the cell supporting the carrier aggregation includes the following information. Two or all: The number of UEs in which the cell is a Pcell, the number of UEs in which the cell is a Scell, and the number of UEs in which the cell is a normal cell.
  • the load detail information of the cell supporting the carrier aggregation includes one or all of the following information: a load generated by a user equipment (UE) of the cell as a primary serving cell (Pcell), The load generated by the UE of the secondary serving cell (Scell), wherein the load generated by the UE whose cell is the Pcell includes the load generated by the UE whose cell is a normal cell; and/or
  • the load detail information of the cell that supports carrier aggregation includes one or all of the following information: the number of UEs in which the cell is a Pcell, and the number of UEs in which the cell is an Scell, where the cell is The number of UEs of the Pcell includes the number of UEs in which the cell is a normal cell.
  • the load quantity is expressed in the form of a percentage of the total load of the cell, or is represented by an absolute value consistent with the total load amount representation of the cell; the number of the UE is in the form of a percentage of the total number of UEs of the cell. To indicate, or, to represent the absolute value consistent with the total number of UEs in the cell.
  • an appropriate cell can be selected to perform sleep in a network supporting carrier aggregation, so that the number of handovers caused by cell dormancy is small, so as to ensure that the user experience and the network performance are compared while achieving the energy saving purpose. Less impact.
  • 1 is a schematic diagram of a UE accessing a supported carrier aggregation cell
  • FIG. 2 is a schematic diagram of a method for selecting an energy-saving cell according to Embodiment 1 of the present invention
  • FIG. 3 is a schematic diagram of a base station according to Embodiment 1 of the present invention.
  • the base station exchanges load detail information of a cell that supports carrier aggregation, and selects a cell to perform sleep; or, the base station selects a cell according to load detail information of a cell that is supported by the carrier. Dormancy, so that the number of handovers caused by cell dormancy is small, to ensure that the user experience and network performance are minimized.
  • Embodiment 1 The base station (eNB) exchanges load detail information of a cell supporting carrier aggregation, and selects a cell to perform sleep. Specifically, as shown in FIG.
  • Step 201 A base station (referred to as a first base station to avoid confusion) sends a load information of the cell under its jurisdiction by using a resource status update message (RESOURCE STATUS UPDATE). Giving one or more neighboring other base stations (referred to as a second base station); wherein load information of the cell supporting carrier aggregation includes load detail information;
  • Step 202 the second base station may aggregate the load of the cell according to the received support carrier The detailed information is selected to be a dormant cell, and the first base station is notified by the cell dormancy request message.
  • Step 203 The first base station receives the cell dormancy request message sent by the second base station, where the cell dormancy request message carries the second base station according to the The information of the to-be-sleep cell selected by the load detail information; the information of the to-be-sleep cell may be the identification information of the cell to be dormant, etc., used to identify the to-be-sleeped cell; the first base station sets the message according to the cell dormancy request message.
  • the first base station may also receive a resource status update message sent by the neighboring second base station, where the resource status update message carries the load information of the cell managed by the second base station, and supports the load of the cell aggregated by the carrier.
  • the information includes load detail information
  • the second base station is one or more; the first base station selects a to-be-sleeped cell according to the received load detail information, and sends a cell dormancy request message to the base station to which the to-be-sleeped cell belongs.
  • the cell dormancy request message carries the information of the to-be-sleep cell.
  • the base station negotiates and selects the to-be-sleep cell of the neighboring base station according to the load detail information of the cell supporting the carrier aggregation.
  • the load detail information of the cell supporting the carrier aggregation may include two or all of the following information: a load generated by the UE in which the cell is a Pcell, a load generated by a UE in which the cell is a Scell, The amount of load generated by the UE in which the cell is a normal cell.
  • the load detail information of the cell supporting carrier aggregation may further include two or all of the following information:
  • the load information of the cell may include one or all of the following information: The load generated by the UE in which the cell is the Pcell and the load generated by the UE in which the cell is the Scell.
  • the load information of the cell includes one or all of the following information: when the number of the UEs in which the cell to which the carrier is aggregated is a Pcell includes the number of UEs in which the cell is a normal cell: The number of UEs in the Pcell, and the number of UEs in which the cell is the Scell.
  • the load detail information of the cell supporting the carrier aggregation may include both the above-mentioned load amount and the number of UEs.
  • the above-mentioned load amount may be expressed in the form of a percentage of the total load of the cell, or may be expressed in an absolute value consistent with the manner in which the total load amount of the cell is expressed.
  • the number of the foregoing UEs may be expressed in the form of a percentage of the total number of UEs in the cell, or may be expressed in an absolute value consistent with the representation of the total number of UEs in the cell.
  • the base station may select the to-be-sleeped cell according to the load details according to a preset policy. For example, when one or more of the load details of the cell is less than a preset threshold, the base station is selected as the to-be-sleep cell. Or, selecting one or more of the load details in each cell to select a cell that is to be dormant or the like.
  • a base station includes a sending module 31 and a receiving module 32, where: the sending module 31 is configured to: send a cell of its own jurisdiction to another neighboring base station.
  • the load information of the cell that supports the carrier aggregation includes load detail information.
  • the receiving module 32 is configured to: receive information about the to-be-sleeped cell sent by the other base station, and set the to-be-sleeped cell to sleep.
  • the sending module 31 may be configured to: send, by using a resource status update message, load information of a cell managed by the base station to another neighboring base station; where the load information of the cell supporting the carrier aggregation includes load detail information.
  • the receiving module 32 may be configured to: receive a cell dormancy request message sent by another base station, where the cell dormancy request message carries information of the cell to be dormant; and, according to the cell dormancy request message, set the to-be-sleep cell Dormant.
  • the receiving module 32 is further configured to: receive a resource status update message sent by another base station, select a to-be-sleeped cell according to the load detail information of the supported carrier aggregation cell carried in the resource status update message, and notify the sending
  • the sending module 31 is further configured to: send a cell dormancy request message to the base station to which the to-be-sleeped cell belongs, and the cell dormancy request message carries the information of the to-be-sleeped cell.
  • the base station to which the energy-saving cell belongs passes the resource status update message (RESOURCE STATUS) UPDATE) transmits the load information of the cell under its jurisdiction to the adjacent base station.
  • the load information includes the load detail information, that is, the load generated by the UE whose cell is the Pcell, and the cell The amount of load generated by the UE of the Scell and the amount of load generated by the UE whose cell is a normal cell.
  • the neighboring base station selects an appropriate cell to sleep in each cell according to the load information of each cell of the base station to which the energy-saving cell belongs, such as selecting the total load and the load generated by the UE whose cell is the Pcell,
  • the cell is a cell with a small load generated by a UE of a normal cell. If selected, the cell dormancy request message is sent to the base station to which the energy-saving cell belongs, and the cell dormancy request message carries the identifier of the selected cell.
  • the base station of the energy-saving cell sends the load information of the cell under its jurisdiction to the neighboring base station through the resource status update message (RESOURCE STATUS UPDATE).
  • the load information includes the load detail information, that is, The number of UEs in which the cell is a Pcell, the number of UEs in which the cell is an Scell, and the number of UEs in which the cell is a normal cell.
  • the neighboring base station selects an appropriate cell to perform dormancy in each cell according to the load information of each cell of the base station to which the energy-saving cell belongs, such as selecting the total number of UEs and the number of UEs that use the cell as a Pcell, and the cell is common. A cell with a small number of UEs in a cell. If selected, the cell sleep request message is sent to the base station to which the energy-saving cell belongs, and the cell dormancy request message carries the identifier of the selected cell.
  • the base station of the energy-saving cell sends the load information of the cell under its jurisdiction to the neighboring base station through a resource status update message (RESOURCE STATUS UPDATE).
  • the load information includes load details, that is, The load generated by the UE of the Pcell, the load generated by the UE whose cell is the Scell, the load generated by the UE whose cell is the normal cell, and the number of UEs whose Pcell is the cell, The number of UEs in which the cell is a Scell, and the number of UEs in which the cell is a normal cell.
  • the neighboring base station selects an appropriate cell to sleep in each cell according to the load information of each cell of the base station to which the energy-saving cell belongs, such as selecting the total load and the load generated by the UE whose cell is the Pcell,
  • the cell is a cell generated by a UE of a normal cell, a total number of UEs, and a number of UEs in which the cell is a Pcell, and a cell in which the cell is a common cell. If selected, the cell dormancy request message is sent to the base station to which the energy-saving cell belongs, and the cell dormancy request message carries the identifier of the selected cell.
  • Embodiment 2 The base station (eNB) selects a cell to perform sleep according to load detail information of a cell that is supported by the carrier to be aggregated.
  • the load detail information of the cell supporting the carrier aggregation may include two or all of the following information: a load generated by the UE in which the cell is a Pcell, a load generated by a UE in which the cell is a Scell, The amount of load generated by the UE in which the cell is a normal cell.
  • the load detail information of the cell supporting carrier aggregation may also include two or all of the following information:
  • the load information of the cell may include one or all of the following information: The load generated by the UE in which the cell is the Pcell and the load generated by the UE in which the cell is the Scell.
  • the load information of the cell includes one or all of the following information: when the number of the UEs in which the cell to which the carrier is aggregated is a Pcell includes the number of UEs in which the cell is a normal cell: The number of UEs in the Pcell, and the number of UEs in which the cell is the Scell.
  • the load detail information of the cell supporting the carrier aggregation may include both the above-mentioned load amount and the number of UEs.
  • the above-mentioned load amount may be expressed in the form of a percentage of the total load of the cell, or may be expressed in an absolute value consistent with the manner in which the total load amount of the cell is expressed.
  • the number of the foregoing UEs may be expressed in the form of a percentage of the total number of UEs in the cell, or may be expressed in an absolute value consistent with the representation of the total number of UEs in the cell.
  • the base station may select the to-be-sleeped cell in the cell under its jurisdiction according to the preset policy according to the preset policy. For example, one or more of the load details of the cell under its jurisdiction may be less than a preset threshold. In the case of the value, the cell is selected as the cell to be dormant; or one or more of the load details in the cell under its jurisdiction is selected as the cell to be dormant.
  • the base station of the embodiment of the present invention includes a selection module, where: the selection module is configured to: select a cell to perform sleep according to load detail information of a carrier aggregation cell supported by the base station.
  • the present invention provides a method for selecting a power-saving cell and a base station, which can select an appropriate cell to perform sleep in a network supporting carrier aggregation, so that the number of handovers caused by cell dormancy is small, so as to ensure energy saving purposes are achieved. At the same time, user experience and network performance are less affected.

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  • Computer Networks & Wireless Communication (AREA)
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Description

一种节能小区的选择方法和基站
技术领域 本发明涉及无线通讯领域, 尤其涉及一种节能小区的选择方法和基站。
背景技术
第三代移动通信的长期演进(Long Term Evolution, 简称为 LTE ) 网络 由演进的通用陆地无线接入网 (Evolved Universal Terrestrial Radio Access Network, 简称为 E-UTRAN )和演进的分组核心 (Evolved Packet Core, 简 称为 EPC ) 网组成。 E-UTRAN包含演进的节点 B ( Evolved NodeB , 简称为 eNB, 即基站)的集合, EPC包含移动管理实体 ( Mobile Management Entity, 简称为 MME )和服务网关( Serving Gateway, 简称为 S-GW )等, 网络架构 扁平化。 eNB和 MME/S-GW通过 S 1接口连接, eNB之间可通过 X2接口连 接。 Sl、 X2是逻辑接口。 一个 MME/S-GW可以管理一个或多个 eNB, —个 eNB也可以受控于多个 MME/S-GW。 一个 eNB可以管理一个或多个小区。 先进的 LTE ( LTE Advanced, 简称为 LTE-A ) 系统由 LTE系统演进而来, 网络架构与 LTE —致。 在 LTE-A 中釆用了一些如载波聚合 (Carrier Aggregation, 简称为 CA ) 、 协作多点和中继 (Relay ) 的新技术来增强系统 性能。 为向移动用户提供更高的数据速率, LTE-A提出了 CA技术, 其目的是 为具有相应能力的用户设备 ( User Equipment, 简称为 UE )提供更大宽带, 提高 UE的峰值速率。 LTE中, 系统支持的最大下行传输带宽为 20MHz, CA 技术是将两个或者更多的分量载波(Component Carriers, 简称为 CC ) 聚合 起来支持大于 20MHz, 最大不超过 100MHz的传输带宽。 LTE-A系统中, UE进入连接态后可以同时通过多个分量载波与基站进行通信, 基站会为 UE 指定一个主分量载波(Primary Component Carrier, 简称为 PCC ) , 其他的分 量载波称为辅分量载波(Secondary Component Carrier, 简称为 SCC ) , 在 PCC上的服务小区称为主服务小区 (Primary Cell, 简称为 Pcell ) , 在 SCC 上的服务小区称为辅服务小区 (Secondary Cell, 简称为 Scell ) 。 其中 Pcell 只有一个, Scell可以没有, 也可以有一个或多个, 如图 1所示, UE接入支 持载波聚合小区示意图。 NAS ( Non-Access Stadium, 非接入层)信息 (如 ECGI ( E-UTRAN Cell Global Identifier, E-UTRAN 小区全局标识) 、 TAI ( Tracking Area Identity, 跟踪区标识)等信息)通过 Pcell获取。 UE从空闲 ( IDLE ) 态接入网络进入连接态后, 接入的小区即为 Pcell。 UE在连接态的 时候, 一般需要通过基站内切换来完成 Pcell的转换过程。 Scell的增加、 删 除和替换可通过无线资源控制 (Radio Resource Control, 简称为 RRC )连接 重配来完成, 不需要通过基站内切换。 目前电信行业正逐渐进入微利时代, 电信运营商在通过扩大市场份额和 业务种类来实现增收的同时, 也越来越重视节能等降成本的环节。 无线通讯 网络中的基站不仅在网络中数量庞大而且能耗也很大, 如何降低基站的能耗 是一项关键的节能措施。
发明内容 无线通讯网络中的业务量是随时间、 地点波动的, 比如上班时间, 办公 区域的业务量会比较高, 住宅区域的业务量会比较低, 非上班时间则相反。 而通讯网络一般是按当地业务量在高峰期的需求来建设的。 运行时也是把建 设的所有基站的所有小区都开启。 这样在业务量比较低的时间、 地点, 就造 成了无线通讯能力的过剩。 如果能把处在低业务量的部分小区休眠, 而同时 网络覆盖的连续性、 网络容量的需求能得到保证, 那么对运行中的无线通讯 网络将起到很好的节能效果。 当支持载波聚合的小区被休眠时, 如果 UE是以该小区为 Pcell的, 则该 UE需要发起切换来转换 Pcell。 以被休眠小区为 Pcell的 UE越多, 需要发起 的切换就越多, 这将降低用户体验与网络性能。 另外、 支持载波聚合的小区 也可被 UE当作普通小区接入, 这时如果该小区被休眠, 则该 UE需要切换 到其它小区。 因此, 如何恰当地休眠支持载波聚合的小区, 以确保在达到节 能目的的同时, 又尽量不降低用户体验与网络性能, 是亟需解决的问题。 本发明所要解决的技术问题是提供一种节能小区的选择方法和基站, 以 选择恰当的小区进行休眠, 使得因小区休眠引起的切换数较少。 为了解决上述技术问题, 本发明提供一种节能小区的选择方法, 包括: 基站之间交互支持载波聚合的小区的负荷细节信息,选择小区进行休眠; 或者 基站根据自身所辖的支持载波聚合的小区的负荷细节信息, 选择小区进 行休眠。 优选地, 基站之间交互支持载波聚合的小区的负荷细节信息, 选择小区 进行休眠的步骤包括: 第一基站通过资源状态更新消息将所述第一基站所辖的小区的负荷信息 发送给相邻的第二基站; 其中, 支持载波聚合的小区的负荷信息包括负荷细 节信息, 所述第二基站为一个或多个; 所述第一基站接收所述第二基站发送的小区休眠请求消息, 所述小区休 眠请求消息中携带所述第二基站根据所述负荷细节信息选择的待休眠小区的 信息; 所述第一基站根据所述小区休眠请求消息, 设置所述第二基站所选择的 待休眠小区进行休眠。 优选地, 基站之间交互支持载波聚合的小区的负荷细节信息, 选择小区 进行休眠的步骤包括: 第一基站接收相邻的第二基站发送的资源状态更新消息, 所述资源状态 更新消息中携带所述第二基站所辖的小区的负荷信息; 其中, 支持载波聚合 的小区的负荷信息包括负荷细节信息, 所述第二基站为一个或多个; 所述第一基站根据接收到的所述负荷细节信息选择待休眠小区, 发送小 区休眠请求消息给所述待休眠小区所属的基站, 所述小区休眠请求消息中携 带所述待休眠小区的信息。 优选地, 所述支持载波聚合的小区的负荷细节信息包括如下信息中的两 种或全部: 以所述小区为主服务小区 (Pcell )的用户设备 ( UE )所产生的负 荷量、 以所述小区为辅服务小区 (Scell ) 的 UE所产生的负荷量、 以所述小 区为普通小区的 UE所产生的负荷量; 和 /或 所述支持载波聚合的小区的负荷细节信息包括如下信息中的两种或全 部: 以所述小区为 Pcell的 UE的数目、 以所述小区为 Scell的 UE的数目、 以所述小区为普通小区的 UE的数目。 优选地, 所述支持载波聚合的小区的负荷细节信息包括如下信息中的一 种或全部: 以所述小区为主服务小区 (Pcell )的用户设备 ( UE )所产生的负 荷量、 以所述小区为辅服务小区 (Scell ) 的 UE所产生的负荷量, 其中, 以 所述小区为 Pcell的 UE所产生的负荷量包含以所述小区为普通小区的 UE所 产生的负荷量; 和 /或 所述支持载波聚合的小区的负荷细节信息包括如下信息中的一种或全 部: 以所述小区为 Pcell的 UE的数目、 以所述小区为 Scell的 UE的数目, 其中, 以所述小区为 Pcell的 UE的数目包括以所述小区为普通小区的 UE的 数目。 优选地, 所述负荷量以占小区总负荷量百分比的形式来表示, 或者, 以 与小区总负荷量表示方式一致的绝对值来表示; 所述 UE的数目以占小区总 UE数目百分比的形式来表示, 或者, 以与 小区总 UE数目表示方式一致的绝对值来表示。 为了解决上述技术问题, 本发明提供一种基站, 包括发送模块和接收模 块, 其中: 所述发送模块设置成: 向相邻的其它基站发送自身所辖的小区的负荷信 息; 其中, 支持载波聚合的小区的负荷信息包括负荷细节信息; 所述接收模块设置成: 接收其它基站发送的待休眠小区的信息, 设置所 述待休眠小区进行休眠。 优选地, 所述发送模块是设置成: 通过资源状态更新消息将所述基站所 辖的小区的负荷信息发送给相邻的其它基站; 其中, 支持载波聚合的小区的 负荷信息包括负荷细节信息; 所述接收模块是设置成: 接收其它基站发送的小区休眠请求消息, 所述 小区休眠请求消息中携带待休眠小区的信息; 以及, 根据所述小区休眠请求 消息, 设置所述待休眠小区进行休眠。 优选地, 所述接收模块还设置成: 接收其它基站发送的资源状态更新消 息, 根据所述资源状态更新消息携带的支持载波聚合小区的负荷细节信息选 择待休眠小区, 并告知所述发送模块; 所述发送模块还设置成: 发送小区休眠请求消息给所述待休眠小区所属 的基站, 所述小区休眠请求消息中携带所述待休眠小区的信息。 优选地, 所述支持载波聚合的小区的负荷细节信息包括如下信息中的两 种或全部: 以所述小区为主服务小区 (Pcell )的用户设备 ( UE )所产生的负 荷量、 以所述小区为辅服务小区 (Scell ) 的 UE所产生的负荷量、 以所述小 区为普通小区的 UE所产生的负荷量; 和 /或 所述支持载波聚合的小区的负荷细节信息包括如下信息中的两种或全 部: 以所述小区为 Pcell的 UE的数目、 以所述小区为 Scell的 UE的数目、 以所述小区为普通小区的 UE的数目。 优选地, 所述支持载波聚合的小区的负荷细节信息包括如下信息中的一 种或全部: 以所述小区为主服务小区 (Pcell )的用户设备 ( UE )所产生的负 荷量、 以所述小区为辅服务小区 (Scell ) 的 UE所产生的负荷量, 其中, 以 所述小区为 Pcell的 UE所产生的负荷量包含以所述小区为普通小区的 UE所 产生的负荷量; 和 /或 所述支持载波聚合的小区的负荷细节信息包括如下信息中的一种或全 部: 以所述小区为 Pcell的 UE的数目、 以所述小区为 Scell的 UE的数目, 其中, 以所述小区为 Pcell的 UE的数目包括以所述小区为普通小区的 UE的 数目。 优选地, 所述负荷量以占小区总负荷量百分比的形式来表示, 或者, 以 与小区总负荷量表示方式一致的绝对值来表示; 所述 UE的数目以占小区总 UE数目百分比的形式来表示, 或者, 以与 小区总 UE数目表示方式一致的绝对值来表示。 为了解决上述技术问题, 本发明提供一种基站, 包括选择模块, 其中: 所述选择模块设置成: 根据所述基站所辖的支持载波聚合小区的负荷细 节信息, 选择小区进行休眠。 优选地, 所述支持载波聚合的小区的负荷细节信息包括如下信息中的两 种或全部: 以所述小区为主服务小区 (Pcell )的用户设备 ( UE )所产生的负 荷量、 以所述小区为辅服务小区 (Scell ) 的 UE所产生的负荷量、 以所述小 区为普通小区的 UE所产生的负荷量; 和 /或 所述支持载波聚合的小区的负荷细节信息包括如下信息中的两种或全 部: 以所述小区为 Pcell的 UE的数目、 以所述小区为 Scell的 UE的数目、 以所述小区为普通小区的 UE的数目。 优选地, 所述支持载波聚合的小区的负荷细节信息包括如下信息中的一 种或全部: 以所述小区为主服务小区 (Pcell )的用户设备 ( UE )所产生的负 荷量、 以所述小区为辅服务小区 (Scell ) 的 UE所产生的负荷量, 其中, 以 所述小区为 Pcell的 UE所产生的负荷量包含以所述小区为普通小区的 UE所 产生的负荷量; 和 /或 所述支持载波聚合的小区的负荷细节信息包括如下信息中的一种或全 部: 以所述小区为 Pcell的 UE的数目、 以所述小区为 Scell的 UE的数目, 其中, 以所述小区为 Pcell的 UE的数目包括以所述小区为普通小区的 UE的 数目。 优选地, 所述负荷量以占小区总负荷量百分比的形式来表示, 或者, 以 与小区总负荷量表示方式一致的绝对值来表示; 所述 UE的数目以占小区总 UE数目百分比的形式来表示, 或者, 以与 小区总 UE数目表示方式一致的绝对值来表示。
通过本发明,可以在支持载波聚合的网络中,选择恰当的小区进行休眠, 使得因小区休眠引起的切换数较少, 以确保在达到节能目的的同时, 又能使 得用户体验与网络性能受较少影响。 附图概述 图 1 是 UE接入支持载波聚合小区示意图; 图 2是本发明实施例一的节能小区的选择方法示意图; 图 3是本发明实施例一的基站示意图。
本发明的较佳实施方式 本发明中, 基站之间交互支持载波聚合的小区的负荷细节信息, 选择小 区进行休眠; 或者, 基站根据自身所辖的支持载波聚合的小区的负荷细节信 息, 选择小区进行休眠, 使得因小区休眠引起的切换数较少, 以保证用户体 验与网络性能尽量少受影响。 实施例一: 基站 (eNB )之间交互支持载波聚合的小区的负荷细节信息, 选择小区 进行休眠。 具体地, 如图 2所示, 包括如下步骤: 步骤 201 , 基站 (为避免混淆, 称为第一基站)通过资源状态更新消息 ( RESOURCE STATUS UPDATE )将所述其所辖的小区的负荷信息发送给一 个或多个相邻的其它基站(称为第二基站) ; 其中, 支持载波聚合的小区的 负荷信息包括负荷细节信息; 步骤 202, 第二基站可根据接收到的支持载波聚合小区的负荷细节信息 选择待休眠小区, 并通过小区休眠请求消息告知第一基站; 步骤 203 , 第一基站接收第二基站发送的小区休眠请求消息, 所述小区 休眠请求消息中携带所述第二基站根据所述负荷细节信息选择的待休眠小区 的信息; 该待休眠小区的信息可以是待休眠小区的标识信息等, 用于标识该 待休眠小区; 第一基站根据所述小区休眠请求消息, 设置所述第二基站所选 择的待休眠小区进行休眠。 相应地,第一基站也可以接收相邻的第二基站发送的资源状态更新消息, 所述资源状态更新消息中携带所述第二基站所辖的小区的负荷信息, 支持载 波聚合的小区的负荷信息包括负荷细节信息, 所述第二基站为一个或多个; 第一基站根据接收到的所述负荷细节信息选择待休眠小区, 发送小区休 眠请求消息给所述待休眠小区所属的基站, 所述小区休眠请求消息中携带所 述待休眠小区的信息。 如上所述, 在本实施例中, 基站之间根据支持载波聚合的小区的负荷细 节信息, 协商选择相邻基站的待休眠小区。 其中, 支持载波聚合的小区的负荷细节信息可包括如下信息中的两种或 全部: 以所述小区为 Pcell的 UE所产生的负荷量、 以所述小区为 Scell的 UE 所产生的负荷量、 以所述小区为普通小区的 UE所产生的负荷量。 支持载波聚合的小区的负荷细节信息还可以包括如下信息中的两种或全 部:
以所述小区为 Pcell的 UE的数目、 以所述小区为 Scell的 UE的数目、 以所述小区为普通小区的 UE的数目。 当以所述小区为 Pcell的 UE所产生的负荷量包含以所述小区为普通小区 的 UE所产生的负荷量时, 所述小区的负荷信息可包括如下信息中的一种或 全部: 以所述小区为 Pcell的 UE所产生的负荷量、 以所述小区为 Scell的 UE 所产生的负荷量。 当以所述支持载波聚合的小区为 Pcell的 UE的数目包括以所述小区为普 通小区的 UE的数目时,所述小区的负荷信息包括如下信息中的一种或全部: 以所述小区为 Pcell的 UE的数目、 以所述小区为 Scell的 UE的数目。 支持载波聚合的小区的负荷细节信息可同时包括上述负荷量和 UE的数 目两类信息。 上述负荷量可以以占小区总负荷量百分比的形式来表示, 也可以以与小 区总负荷量表示方式一致的绝对值来表示。 上述 UE的数目可以以占小区总 UE数目百分比的形式来表示, 或者, 也可以以与小区总 UE数目表示方式一致的绝对值来表示。 基站可以按照预设的策略, 根据负荷细节信息选择待休眠小区, 比如, 可以是当小区的负荷细节信息中的一项或多项小于预设的门限值时, 选择该 小区为待休眠小区; 或者, 在各小区中选择其负荷细节信息中的一项或多项 综合最小的小区为待休眠小区等。
相应地, 如图 3所示, 本发明实施例的一种基站, 包括发送模块 31和接 收模块 32, 其中: 所述发送模块 31设置成:向相邻的其它基站发送自身所辖的小区的负荷 信息; 其中, 支持载波聚合的小区的负荷信息包括负荷细节信息; 所述接收模块 32设置成:接收其它基站发送的待休眠小区的信息,设置 所述待休眠小区进行休眠。 优选地,所述发送模块 31可设置成:通过资源状态更新消息将所述基站 所辖的小区的负荷信息发送给相邻的其它基站; 其中, 支持载波聚合的小区 的负荷信息包括负荷细节信息; 所述接收模块 32可设置成:接收其它基站发 送的小区休眠请求消息, 所述小区休眠请求消息中携带待休眠小区的信息; 以及, 根据所述小区休眠请求消息, 设置所述待休眠小区进行休眠。 优选地,所述接收模块 32还可设置成:接收其它基站发送的资源状态更 新消息, 根据所述资源状态更新消息携带的支持载波聚合小区的负荷细节信 息选择待休眠小区, 并告知所述发送模块; 所述发送模块 31还可设置成: 发 送小区休眠请求消息给所述待休眠小区所属的基站, 所述小区休眠请求消息 中携带所述待休眠小区的信息。
下面以具体的应用示例详细说明。 应用示例一 节能小区所属基站通过资源状态更新消息 (RESOURCE STATUS UPDATE )将其所辖小区的负荷信息发送给相邻的基站, 对于支持载波聚合 的小区, 其负荷信息中包含负荷细节信息, 即以该小区为 Pcell的 UE所产生 的负荷量、 以该小区为 Scell的 UE所产生的负荷量、 和以该小区为普通小区 的 UE所产生的负荷量。 相邻的基站根据收到的节能小区所属基站的各小区的负荷信息, 在各小 区中选择恰当的小区进行休眠,如选择总负荷量及以该小区为 Pcell的 UE所 产生的负荷量、 以该小区为普通小区的 UE所产生的负荷量较小的小区。 如 果选中, 则向节能小区所属基站发送小区休眠请求消息, 小区休眠请求消息 中携带被选中的小区的标识。
应用示例二 节能小区所属基站通过资源状态更新消息 (RESOURCE STATUS UPDATE )将其所辖小区的负荷信息发送给相邻的基站, 对于支持载波聚合 的小区,其负荷信息中包含负荷细节信息,即以该小区为 Pcell的 UE的数目、 以该小区为 Scell的 UE的数目、 和以该小区为普通小区的 UE的数目。
相邻的基站根据收到的节能小区所属基站的各小区的负荷信息, 在各小 区中选择恰当的小区进行休眠, 如选择总 UE数目及以该小区为 Pcell的 UE 数目、 以该小区为普通小区的 UE数目较小的小区。 如果选中, 则向节能小 区所属基站发送小区休眠请求消息, 小区休眠请求消息中携带被选中的小区 的标识。
应用示例三 节能小区所属基站通过资源状态更新消息 (RESOURCE STATUS UPDATE )将其所辖小区的负荷信息发送给相邻的基站, 对于支持载波聚合 的小区, 其负荷信息中包含负荷细节信息, 即以该小区为 Pcell的 UE所产生 的负荷量、 以该小区为 Scell的 UE所产生的负荷量、 以该小区为普通小区的 UE所产生的负荷量、 以该小区为 Pcell的 UE的数目、 以该小区为 Scell的 UE的数目、 和以该小区为普通小区的 UE的数目。 相邻的基站根据收到的节能小区所属基站的各小区的负荷信息, 在各小 区中选择恰当的小区进行休眠,如选择总负荷量及以该小区为 Pcell的 UE所 产生的负荷量、 以该小区为普通小区的 UE所产生的负荷量、 总 UE数目及 以该小区为 Pcell的 UE数目、 以该小区为普通小区的 UE数目综合起来较小 的小区。 如果选中, 则向节能小区所属基站发送小区休眠请求消息, 小区休 眠请求消息中携带被选中的小区的标识。
实施例二: 基站 (eNB )根据自身所辖的支持载波聚合的小区的负荷细节信息, 选 择小区进行休眠。 其中, 支持载波聚合的小区的负荷细节信息可包括如下信息中的两种或 全部: 以所述小区为 Pcell的 UE所产生的负荷量、 以所述小区为 Scell的 UE 所产生的负荷量、 以所述小区为普通小区的 UE所产生的负荷量。 支持载波聚合的小区的负荷细节信息还可以包括如下信息中的两种或全 部:
以所述小区为 Pcell的 UE的数目、 以所述小区为 Scell的 UE的数目、 以所述小区为普通小区的 UE的数目。 当以所述小区为 Pcell的 UE所产生的负荷量包含以所述小区为普通小区 的 UE所产生的负荷量时, 所述小区的负荷信息可包括如下信息中的一种或 全部: 以所述小区为 Pcell的 UE所产生的负荷量、 以所述小区为 Scell的 UE 所产生的负荷量。 当以所述支持载波聚合的小区为 Pcell的 UE的数目包括以所述小区为普 通小区的 UE的数目时,所述小区的负荷信息包括如下信息中的一种或全部: 以所述小区为 Pcell的 UE的数目、 以所述小区为 Scell的 UE的数目。 支持载波聚合的小区的负荷细节信息可同时包括上述负荷量和 UE的数 目两类信息。 上述负荷量可以以占小区总负荷量百分比的形式来表示, 也可以以与小 区总负荷量表示方式一致的绝对值来表示。 上述 UE的数目可以以占小区总 UE数目百分比的形式来表示, 或者, 也可以以与小区总 UE数目表示方式一致的绝对值来表示。 基站可以按照预设的策略, 根据负荷细节信息在自身所辖的小区中选择 待休眠小区, 比如, 可以是当自身所辖小区的负荷细节信息中的一项或多项 小于预设的门限值时, 选择该小区为待休眠小区; 或者, 在自身所辖的各小 区中选择其负荷细节信息中的一项或多项综合最小的小区为待休眠小区等。
相应地, 本发明实施例的基站, 包括选择模块, 其中: 所述选择模块设置成: 根据所述基站所辖的支持载波聚合小区的负荷细 节信息, 选择小区进行休眠。
本领域普通技术人员可以理解上述方法中的全部或部分步骤可通过程序 来指令相关硬件完成, 所述程序可以存储于计算机可读存储介质中, 如只读 存储器、 磁盘或光盘等。 可选地, 上述实施例的全部或部分步骤也可以使用 一个或多个集成电路来实现。 相应地, 上述实施例中的各模块 /单元可以釆用 硬件的形式实现, 也可以釆用软件功能模块的形式实现。 本发明不限制于任 何特定形式的硬件和软件的结合。 尽管本发明结合特定实施例进行了描述, 但是对于本领域的技术人员来 说, 可以在不背离本发明的精神或范围的情况下进行修改和变化。 这样的修 改和变化被视作在本发明的范围和附加的权利要求书范围之内。
工业实用性 本发明提供一种节能小区的选择方法和基站, 可以在支持载波聚合的网 络中, 选择恰当的小区进行休眠, 使得因小区休眠引起的切换数较少, 以确 保在达到节能目的的同时, 又能使得用户体验与网络性能受较少影响。

Claims

权 利 要 求 书
1、 一种节能小区的选择方法, 包括: 基站之间交互支持载波聚合的小区的负荷细节信息,选择小区进行休眠; 或者 基站根据自身所辖的支持载波聚合的小区的负荷细节信息, 选择小区进 行休眠。
2、 如权利要求 1所述方法, 其中: 基站之间交互支持载波聚合的小区的负荷细节信息, 选择小区进行休眠 的步骤包括: 第一基站通过资源状态更新消息将所述第一基站所辖的小区的负荷信息 发送给相邻的第二基站; 其中, 支持载波聚合的小区的负荷信息包括负荷细 节信息, 所述第二基站为一个或多个; 所述第一基站接收所述第二基站发送的小区休眠请求消息, 所述小区休 眠请求消息中携带所述第二基站根据所述负荷细节信息选择的待休眠小区的 信息; 所述第一基站根据所述小区休眠请求消息, 设置所述第二基站所选择的 待休眠小区进行休眠。
3、 如权利要求 1或 2所述方法, 其中: 基站之间交互支持载波聚合的小区的负荷细节信息, 选择小区进行休眠 的步骤包括: 第一基站接收相邻的第二基站发送的资源状态更新消息, 所述资源状态 更新消息中携带所述第二基站所辖的小区的负荷信息; 其中, 支持载波聚合 的小区的负荷信息包括负荷细节信息, 所述第二基站为一个或多个; 所述第一基站根据接收到的所述负荷细节信息选择待休眠小区, 发送小 区休眠请求消息给所述待休眠小区所属的基站, 所述小区休眠请求消息中携 带所述待休眠小区的信息。
4、 如权利要求 1所述方法, 其中: 所述支持载波聚合的小区的负荷细节信息包括如下信息中的两种或全 部: 以所述小区为主服务小区 (Pcell ) 的用户设备(UE )所产生的负荷量、 以所述小区为辅服务小区 (Scell ) 的 UE所产生的负荷量、 以所述小区为普 通小区的 UE所产生的负荷量; 和 /或 所述支持载波聚合的小区的负荷细节信息包括如下信息中的两种或全 部: 以所述小区为 Pcell的 UE的数目、 以所述小区为 Scell的 UE的数目、 以所述小区为普通小区的 UE的数目。
5、 如权利要求 1所述方法, 其中: 所述支持载波聚合的小区的负荷细节信息包括如下信息中的一种或全 部: 以所述小区为主服务小区 (Pcell ) 的用户设备(UE )所产生的负荷量、 以所述小区为辅服务小区 (Scell ) 的 UE所产生的负荷量, 其中, 以所述小 区为 Pcell的 UE所产生的负荷量包含以所述小区为普通小区的 UE所产生的 负荷量; 和 /或 所述支持载波聚合的小区的负荷细节信息包括如下信息中的一种或全 部: 以所述小区为 Pcell的 UE的数目、 以所述小区为 Scell的 UE的数目, 其中, 以所述小区为 Pcell的 UE的数目包括以所述小区为普通小区的 UE的 数目。
6、 如权利要求 4或 5所述的方法, 其中: 所述负荷量以占小区总负荷量百分比的形式来表示, 或者, 以与小区总 负荷量表示方式一致的绝对值来表示; 所述 UE的数目以占小区总 UE数目百分比的形式来表示, 或者, 以与 小区总 UE数目表示方式一致的绝对值来表示。
7、 一种基站, 包括发送模块和接收模块, 其中: 所述发送模块设置成: 向相邻的其它基站发送自身所辖的小区的负荷信 息; 其中, 支持载波聚合的小区的负荷信息包括负荷细节信息; 所述接收模块设置成: 接收其它基站发送的待休眠小区的信息, 设置所 述待休眠小区进行休眠。
8、 如权利要求 7所述的基站, 其中: 所述发送模块是设置成: 通过资源状态更新消息将所述基站所辖的小区 的负荷信息发送给相邻的其它基站; 其中,支持载波聚合的小区的负荷信息 包括负荷细节信息; 所述接收模块是设置成: 接收其它基站发送的小区休眠请求消息, 所述 小区休眠请求消息中携带待休眠小区的信息; 以及, 根据所述小区休眠请求 消息, 设置所述待休眠小区进行休眠。
9、 如权利要求 7或 8所述的基站, 其中: 所述接收模块还设置成: 接收其它基站发送的资源状态更新消息, 根据 所述资源状态更新消息携带的支持载波聚合小区的负荷细节信息选择待休眠 小区, 并告知所述发送模块; 所述发送模块还设置成: 发送小区休眠请求消息给所述待休眠小区所属 的基站, 所述小区休眠请求消息中携带所述待休眠小区的信息。
10、 如权利要求 7所述的基站, 其中: 所述支持载波聚合的小区的负荷细节信息包括如下信息中的两种或全 部: 以所述小区为主服务小区 (Pcell ) 的用户设备(UE )所产生的负荷量、 以所述小区为辅服务小区 (Scell ) 的 UE所产生的负荷量、 以所述小区为普 通小区的 UE所产生的负荷量; 和 /或 所述支持载波聚合的小区的负荷细节信息包括如下信息中的两种或全 部: 以所述小区为 Pcell的 UE的数目、 以所述小区为 Scell的 UE的数目、 以所述小区为普通小区的 UE的数目。
11、 如权利要求 7所述的基站, 其中: 所述支持载波聚合的小区的负荷细节信息包括如下信息中的一种或全 部: 以所述小区为主服务小区 (Pcell ) 的用户设备(UE )所产生的负荷量、 以所述小区为辅服务小区 (Scell ) 的 UE所产生的负荷量, 其中, 以所述小 区为 Pcell的 UE所产生的负荷量包含以所述小区为普通小区的 UE所产生的 负荷量; 和 /或 所述支持载波聚合的小区的负荷细节信息包括如下信息中的一种或全 部: 以所述小区为 Pcell的 UE的数目、 以所述小区为 Scell的 UE的数目, 其中, 以所述小区为 Pcell的 UE的数目包括以所述小区为普通小区的 UE的 数目。
12、 如权利要求 10或 11所述的基站, 其中: 所述负荷量以占小区总负荷量百分比的形式来表示, 或者, 以与小区总 负荷量表示方式一致的绝对值来表示; 所述 UE的数目以占小区总 UE数目百分比的形式来表示, 或者, 以与 小区总 UE数目表示方式一致的绝对值来表示。
13、 一种基站, 包括选择模块, 其中: 所述选择模块设置成: 根据所述基站所辖的支持载波聚合小区的负荷细 节信息, 选择小区进行休眠。
14、 如权利要求 13所述的基站, 其中: 所述支持载波聚合的小区的负荷细节信息包括如下信息中的两种或全 部: 以所述小区为主服务小区 (Pcell ) 的用户设备(UE )所产生的负荷量、 以所述小区为辅服务小区 (Scell ) 的 UE所产生的负荷量、 以所述小区为普 通小区的 UE所产生的负荷量; 和 /或 所述支持载波聚合的小区的负荷细节信息包括如下信息中的两种或全 部: 以所述小区为 Pcell的 UE的数目、 以所述小区为 Scell的 UE的数目、 以所述小区为普通小区的 UE的数目。
15、 如权利要求 13所述的基站, 其中: 所述支持载波聚合的小区的负荷细节信息包括如下信息中的一种或全 部: 以所述小区为主服务小区 (Pcell ) 的用户设备(UE )所产生的负荷量、 以所述小区为辅服务小区 (Scell ) 的 UE所产生的负荷量, 其中, 以所述小 区为 Pcell的 UE所产生的负荷量包含以所述小区为普通小区的 UE所产生的 负荷量; 和 /或 所述支持载波聚合的小区的负荷细节信息包括如下信息中的一种或全 部: 以所述小区为 Pcell的 UE的数目、 以所述小区为 Scell的 UE的数目, 其中, 以所述小区为 Pcell的 UE的数目包括以所述小区为普通小区的 UE的 数目。
16、 如权利要求 14或 15所述的基站, 其中: 所述负荷量以占小区总负荷量百分比的形式来表示, 或者, 以与小区总 负荷量表示方式一致的绝对值来表示; 所述 UE的数目以占小区总 UE数目百分比的形式来表示, 或者, 以与 小区总 UE数目表示方式一致的绝对值来表示。
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