WO2011157164A1 - 小区检测的方法、装置及系统 - Google Patents

小区检测的方法、装置及系统 Download PDF

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Publication number
WO2011157164A1
WO2011157164A1 PCT/CN2011/075162 CN2011075162W WO2011157164A1 WO 2011157164 A1 WO2011157164 A1 WO 2011157164A1 CN 2011075162 W CN2011075162 W CN 2011075162W WO 2011157164 A1 WO2011157164 A1 WO 2011157164A1
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Prior art keywords
cell
detected
base station
paging message
user equipment
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PCT/CN2011/075162
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English (en)
French (fr)
Inventor
黄英
王君
Original Assignee
华为技术有限公司
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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 EP11795130.1A priority Critical patent/EP2568734B1/en
Priority to JP2013514537A priority patent/JP5696347B2/ja
Publication of WO2011157164A1 publication Critical patent/WO2011157164A1/zh

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W24/00—Supervisory, monitoring or testing arrangements
    • H04W24/08—Testing, supervising or monitoring using real traffic
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W68/00—User notification, e.g. alerting and paging, for incoming communication, change of service or the like

Definitions

  • the present invention relates to the field of mobile communication technologies, and in particular, to a technique for detecting a sleeping cell.
  • a cell may be inaccessible due to a malfunction or an erroneous operation, that is, a Sleep Cell (SLC) occurs. If the dormant cell is not found by the system, the user equipment access fails and the user experience is reduced.
  • SLC Sleep Cell
  • One of the methods for detecting a dormant cell is to determine whether the performance index is within a normal range by passively collecting a performance index of the cell. If the performance index is within a normal range, the cell is considered to be a non-sleep cell; otherwise, the cell is considered to be The cell is a sleeping cell.
  • the performance index of the cell in the solution includes Key Performance Indicators (KPIs) related to user access, such as the number of Radio Resource Control (RRC) connections in the cell, and Radio Bearer (RB). Number of establishments, etc.
  • KPIs Key Performance Indicators
  • RRC Radio Resource Control
  • RB Radio Bearer
  • the system sets the KPI threshold in the normal state through adaptation or pre-configuration. When the actual KPI of the cell is less than the threshold, the cell is considered to be in a dormant state.
  • the cell is considered to be in a non-sleep state.
  • the KPI threshold in this scheme is a statistical feature, it is impossible to give a correct judgment for some special scenarios. For example, if the cell is in a normal working state, if the user equipment (UE) that it covers has no service and is in the idle Idle state, the KPI associated with the access in the cell is zero, but the scheme for detecting the sleeping cell is as described above. , the cell will be misjudged as a sleeping cell.
  • Another method for detecting a dormant cell is a scheme for active network detection.
  • the network finds that the cell has no business signs for a long time, it will modify the tracking area code of the cell (Tracking Area Code, TAC), so that the modified TAC is not in the tracking list (TA list) currently reserved by the UE in the cell; or shortening the reporting period of the Tracking Area Update (TAU), so that the UE performs the frequency more frequently. TAU reported.
  • TAC Tracking Area Code
  • TAU Tracking Area Update
  • An aspect of the present invention provides a method for detecting a sleeping cell, including: a base station sending a paging message in a cell to be detected, where the paging message is used for cell state detection, where the paging message includes a detection indication, and is used to indicate the The user equipment in the to-be-detected cell initiates an access procedure to the to-be-detected cell; if the base station detects the access procedure initiated by the user equipment in the to-be-detected cell, it is determined that the to-be-detected cell is a non-sleeping cell.
  • a base station including: a first unit, configured to send a paging message in a cell to be detected, where the paging message is used for cell state detection, where the paging message includes a detection indication, and is used to indicate The user equipment in the to-be-detected cell initiates an access procedure to the to-be-detected cell; the second unit is configured to detect an access procedure initiated by the user equipment in the to-be-detected cell; and a third unit, configured to use the foregoing When the second unit detects the access procedure initiated by the user equipment in the to-be-detected cell, it is determined that the to-be-detected cell is a non-sleeping cell.
  • the present invention in one aspect, provides a cell detection system including a base station as described above.
  • the paging message sent by the base station is used for cell state detection, and the paging message includes a detection indication, which is used to indicate that the user equipment in the to-be-detected cell initiates access to the to-be-detected 'J, the area
  • the base station detects the access procedure, it can determine that the to-be-detected 'J, the area is a non-sleeping cell.
  • the foregoing technical solution can more accurately detect whether the cell is a sleeping cell, and overcomes the problem that the existing sleep cell detection method causes misjudgment.
  • the TAC is not required to be modified or the UE is frequently reported to the TAU, the overhead is reduced, and the Causes an impact on the paging call.
  • FIG. 1 is a schematic flowchart of a method for detecting a cell according to an embodiment of the present invention
  • FIG. 2 is a schematic flowchart of a method for detecting a cell according to another embodiment of the present invention
  • FIG. 3 is a schematic diagram of a method according to an embodiment of the present invention
  • Schematic diagram of a base station
  • FIG. 4 is a schematic structural diagram of a cell detection system according to an embodiment of the present invention. detailed description
  • this embodiment provides a method for cell detection, including the following content.
  • the base station sends a paging message to the cell to be detected, where the paging message is used for the cell status detection, where the paging message includes a detection indication, and is used to indicate that the user equipment in the to-be-detected cell initiates the cell to be detected. Access process.
  • the foregoing base station detects the access procedure initiated by the user equipment in the to-be-detected cell, determine that the to-be-detected cell is a non-sleeping cell.
  • the base station determines that the to-be-detected cell is a sleeping cell.
  • the paging message is a broadcast paging message.
  • the broadcast paging message is sent on the sum of the paging occasions of all user equipments, i.e., to all UEs in the cell in all possible paging occasions.
  • the foregoing access procedure includes a random access procedure or a radio resource control (RRC) connection establishment procedure.
  • RRC radio resource control
  • the paging message sent by the base station in the foregoing technical solution is used for cell status detection, where the paging message includes a detection indication, which is used to indicate that the user equipment in the to-be-detected cell initiates an access procedure to the to-be-detected cell, if the base station detects When the access process is reached, the cell to be detected is determined to be a non-sleep cell.
  • the above technical solution can more accurately detect whether the cell is a sleeping cell, and overcomes the problem that the existing sleep cell detection method causes misjudgment.
  • the TAC since the TAC is not required to be modified or the UE is frequently reported to the TAU, the overhead is reduced, and Will cause an impact on the paging call.
  • the cell detection method provided by another embodiment, before the foregoing 101, may further include: the foregoing base station receiving the sleeping cell detection indication information sent by the network management device. Then, in this embodiment, after the base station in the foregoing 102 detects the access procedure initiated by the user equipment, the base station may further send a sleeping cell detection response information to the network management device, where the sleeping cell detection response information indicates that the The detected cell is a non-sleeping cell.
  • the base station does not respond to the sleeping cell detection indication information sent by the network management device; or, if the foregoing base station does not detect
  • the base station may also send the sleep cell detection response information to the network management device, and the sleep cell detection response information is used to notify the network management device that the detected cell is a sleeping cell.
  • the paging message is a broadcast paging message.
  • the broadcast paging message is sent on the sum of the paging occasions of all user equipments, i.e., to all UEs in the cell in all possible paging occasions.
  • the foregoing access procedure includes a random access procedure or an RRC connection setup procedure.
  • the foregoing technical solution can more accurately detect whether the cell is a sleeping cell, and overcomes the problem that the existing sleep cell detection method causes misjudgment.
  • the TAC is not required to be modified or the UE is frequently reported to the TAU, the overhead is reduced, and the Causes an impact on the paging call.
  • the Long Term Evolution (LTE) system is taken as an example to describe the method of cell detection.
  • the base station in this embodiment takes the evolved base station eNodeB as an example, and the network management device uses an operation support system (OSS) as an example.
  • OSS operation support system
  • the LTE system is used as an example to introduce a method for detecting a cell, but the method is not limited to use in an LTE system, such as GSM (Global System For Mobile Communication), WCDMA (Wideband Code Division Multiple Access, Wideband Code Division Multiple Access) systems, or CDMA (Code Division Multiple Access) systems, or evolved communication systems after LTE can also use this method.
  • GSM Global System For Mobile Communication
  • WCDMA Wideband Code Division Multiple Access
  • Wideband Code Division Multiple Access Wideband Code Division Multiple Access
  • CDMA Code Division Multiple Access
  • base station is used in this document, those skilled in the art can understand that in GSM, WCDMA, CDMA, LTE systems
  • the above “base station” may include a base station controller (BSC), a base station transceiver (BSC), an RNC (radio network controller), a BSC/BST, and an eNodeB.
  • BSC base station controller
  • BSC base station transceiver
  • RNC radio network controller
  • the cell detection method provided in this embodiment includes the following content.
  • the eNodeB receives the sleeping cell detection indication information sent by the OSS, for example, the SLC indication, and performs 202.
  • the eNodeB sends a paging message in the to-be-detected cell, where the paging message is used for the cell status detection, where the paging message includes a detection indication, and is used to indicate that the UE in the to-be-detected cell is to be detected.
  • the zone initiates the access process.
  • the paging message is a broadcast paging message
  • the broadcast paging message is sent on a sum of paging occasions of all user equipments, that is, sent to all UEs in the cell in all possible paging subframes.
  • all UEs in the cell in the 0th, 4th, 5th, and 9th subframes in the FDD mode are sent to the UEs in the cell in the 0th, 1st, 5th, and 6th subframes in the TDD mode.
  • the detection indication in the broadcast paging message may be a dedicated cell IE in the broadcast paging message, and is used to indicate that the UE initiates an access process to a cell covered by the eNodeB, for example, setting a dedicated value of lbit.
  • the bit value is 1, it indicates that the UE in the cell to be detected initiates an access procedure to the cell to be detected; or may set a dedicated cell IE in the broadcast paging message, for example, Sleeping_cell_detecting indicator
  • the UE reads the IE in the broadcast paging message, the UE initiates an access procedure to the area to be detected.
  • the eNodeB detects that the UE in the to-be-detected cell initiates a random access procedure or an RRC connection setup process, determining that the to-be-detected cell is a non-sleeping cell.
  • the UE in the cell to be detected may wake up and listen to the broadcast paging message according to its own discontinuous reception period. After receiving the broadcast paging message, the UE initiates random access to the to-be-detected cell. a process or an RRC connection establishment process, for example, the UE sends a random access request or an RRC connection setup request to the to-be-detected cell, and when the eNodeB detects the random access request or the RRC connection setup request, the eNodeB may determine the to-be-detected Community is not Sleeping community.
  • a process or an RRC connection establishment process for example, the UE sends a random access request or an RRC connection setup request to the to-be-detected cell, and when the eNodeB detects the random access request or the RRC connection setup request, the eNodeB may determine the to-be-detected Community is not Sleeping community.
  • the eNodeB sends sleep cell detection response information, such as an SLC indication result, to the OSS.
  • the sleeping cell detection response information indicates that the to-be-detected cell is a non-sleep cell.
  • the above 201 and 204 are optional, that is, when the eNodeB does not send a paging message according to the received cell detection indication information sent by the received OSS, but the eNodeB decides to send the paging message according to its own algorithm (ie, If 201 is not executed, 202 is executed directly, and 204 may not be executed accordingly.
  • the eNodeB may determine the cell to be detected by itself, or may notify the eNodeB after the network management device determines the cell to be detected.
  • the to-be-detected cell may be determined by the OSS, and then the eNodeB is notified, or the eNodeB determines the cell to be detected by itself after receiving the sleeping cell detection indication information sent by the OSS;
  • the eNodeB can determine the cell to be detected by itself, or can also determine the cell to be detected by the OSS, and then notify the eNodeB.
  • the eNodeB does not detect the access procedure initiated by the user equipment in the 203, that is, when the to-be-detected cell is a sleeping cell, the eNodeB does not send the sleeping cell detection response information to the OSS, or the eNodeB may also The network management device sends the sleep cell detection response information, where the sleep cell detection response information is used to notify the network management device that the to-be-detected cell is a sleeping cell.
  • the OSS may also start a timer when the sleep cell detection indication information is sent. When the timer set by the OSS expires and the response message of the eNodeB is not received, the OSS may confirm the waiting.
  • the detection cell is a sleeping cell.
  • the paging message sent by the base station in the foregoing technical solution is used for cell status detection, where the paging message includes a detection indication, which is used to indicate that the user equipment in the to-be-detected cell initiates an access procedure to the to-be-detected cell, if the base station detects When the access process is reached, the cell to be detected is determined to be a non-sleep cell.
  • the above technical solution can more accurately detect whether the cell is a sleeping cell, and overcomes the problem that the existing sleep cell detection method causes misjudgment.
  • the TAC is not required to be modified or the UE is frequently reported to the TAU, the overhead is reduced, and Will cause an impact on the paging call.
  • a base station 30 provided in this embodiment may be used to implement an embodiment of the foregoing cell detection method. As shown in FIG. 3, the base station includes: a first unit 310, a second unit 320, and a third unit 330.
  • the first unit 310 sends a paging message to the cell to be detected, where the paging message is used for the cell status detection, where the paging message includes a detection indication, and is used to indicate that the user equipment in the to-be-detected cell is to be in the Detecting the d, the area initiates the access process; the second unit 320 detects the access procedure initiated by the user equipment in the to-be-detected cell; when the second unit 330 detects the access procedure initiated by the user equipment, for example, detecting When the user equipment sends a random access request or an RRC connection setup request, the third unit 330 determines that the to-be-detected cell is a non-sleeping cell.
  • the foregoing base station 30 further includes: a fourth unit, configured to receive the sleeping cell detection indication information sent by the network management device before the first unit 310 sends the paging message in the to-be-detected cell.
  • the third unit 330 is further configured to: when the second unit 320 detects the access procedure initiated by the user equipment in the to-be-detected cell, send the sleeping cell detection response information to the network management device, where the sleeping cell detection response information indicates The cell to be detected is a non-sleep cell.
  • the third unit 330 is further configured to determine that the to-be-detected cell is a sleeping cell, and does not send the sleeping cell to the network management device.
  • the response information is detected, or the sleep cell detection response information is sent to the network management device, where the sleep cell detection response information is used to notify the network management device that the to-be-detected cell is a sleeping cell.
  • the paging message is a broadcast paging message
  • the broadcast paging message is sent on a sum of paging occasions of all user equipments, that is, all UEs in the cell are sent in all possible paging occasions.
  • the above access procedure includes a random access procedure or an RRC connection setup procedure.
  • a cell detection system which is provided in this embodiment, includes the base station 30 in the foregoing embodiment, and may be used to implement the foregoing method for detecting a cell. As shown in FIG. 4, the system further includes a user equipment 40, where the user equipment 40 is configured to initiate an access procedure to the to-be-detected cell after receiving the paging message sent by the base station 30 in the to-be-detected cell.
  • the system further includes the network management device 50, configured to send the sleeping cell detection indication information to the base station 30, and further configured to: when receiving the sleep cell detection response information sent by the base station 30, determine that the to-be-detected cell is Non-sleeping community.
  • the network management device 50 does not receive the sleep cell detection response information sent by the base station 30, it is determined that the to-be-detected cell is a sleeping cell.
  • the network management device 50 is further configured to: when the sending the foregoing sleeping cell detection indication information is sent, start the timing device, if the network management device 50 does not receive the detection indication information of the sleeping cell by the base station before the timing device times out In response, the cell to be detected is determined to be a sleeping cell.
  • the paging message is a broadcast paging message
  • the broadcast paging message is sent on a sum of paging occasions of all user equipments, that is, all UEs in the cell are sent in all possible paging occasions.
  • the above access procedure includes a random access procedure or an RRC connection setup procedure.
  • the network management device 50 includes an operation support system OSS.
  • the paging message sent by the base station in the foregoing embodiment of the cell detection system is used for cell status detection, and the paging message includes a detection indication, which is used to indicate that the user equipment in the to-be-detected cell initiates access to the to-be-detected cell.
  • the base station detects the access procedure, it can determine that the to-be-detected cell is a non-sleeping cell.
  • the foregoing technical solution can enable the network to more accurately detect whether the cell is a sleeping cell, and overcomes the problem that the existing sleep cell detection method causes misjudgment.
  • the TAC since the TAC is not required to be modified or the UE is frequently reported to the TAU, the overhead is reduced. And it will not affect the paging call.
  • the storage medium may be a magnetic disk, an optical disk, a read-only memory (ROM), or a random access memory (RAM).

Description

小区检测的方法、 装置及系统 本申请要求于 2010 年 6 月 13 日提交中国专利局、 申请号为 201010206967.7、 发明名称为 "小区检测的方法、 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
本发明涉及移动通信技术领域， 尤其涉及睡眠小区检测的技术。
背景技术
在移动通信系统中 , 例如 UMTS ( Universal Mobile Telecommunications System, 通用移动通信系统） ， 会因为故障或者误操作等原因导致小区无 法接入， 即出现休眠小区 （Sleep Cell, SLC ) 。 如果休眠小区没有被系统 发现， 将造成用户设备接入失败， 降低用户感受。
现有检测休眠小区的方法之一是通过被动收集小区的性能指数， 判断该 性能指数是否在正常范围内， 如果该性能指数在正常范围内， 则认为该小 区为非睡眠小区， 否则， 认为该小区为睡眠小区。 本方案中小区的性能指 数包括与用户接入相关的关键性能指标（ Key Performance Indicators , KPI ) , 比如小区内无线资源控制 （Radio Resource Control, RRC )连接个数， 无线 承载（ Radio Bearer, RB )建立次数等。 系统通过自适应或者预配置设定正 常状态下的 KPI门限， 当小区实际的 KPI小于该门限， 则认为该小区处于休 眠状态， 否则， 认为该小区处于非睡眠状态。 但是， 由于该方案中的 KPI 门限是统计特性， 所以对某些特殊场景无法给出正确的判断。 例如， 小区 处于正常工作状态， 如果它覆盖的用户设备（ User Equipment, UE )没有业 务， 处于空闲 Idle状态， 则该小区内与接入相关的 KPI都是零， 但通过上述 检测睡眠小区的方案， 将误判该小区为睡眠小区。 现有检测休眠小区的另一方法是网络主动检测的方案。 网络一旦发现 小区长时间没有业务迹象， 就修改小区的跟踪区代码 ( Tracking Area Code, TAC ) ， 使得修改后的 TAC不在目前驻留在该小区的 UE保存的跟踪区列表 ( TA list ) 中； 或者缩短跟踪区更新 ( Tracking Area Update, TAU )的上报 周期， 使 UE更加频繁的进行 TAU上报。 当小区的 TAC被修改或有 TAU上报 时， 根据小区是否有 TAU信令判断小区是否为休眠小区。 但是， 由于一个 ( Tracking Area, TA )有可能包括多个基站， 修改一个小区的 TA需要同步 多个网元， 开销很大， 同时， 由于更新同步需要时间， 在更新过程的时间 内， 对 TAC的更改会使得寻呼被叫受到严重的影响， 例如， 寻呼不到被叫。 发明内容
本发明一方面提供一种检测睡眠小区的方法， 包括： 基站在待检测小 区中发送寻呼消息， 该寻呼消息用于小区状态检测， 该寻呼消息中包含检 测指示， 用于指示所述待检测小区中的用户设备向上述待检测小区发起接 入过程； 如果上述基站检测到上述待检测小区中的用户设备发起的接入过 程， 判断该待检测小区为非睡眠小区。
本发明另一方面提供一种基站， 包括： 第一单元， 用于在待检测小区 中发送寻呼消息， 该寻呼消息用于小区状态检测， 该寻呼消息中包含检测 指示， 用于指示所述待检测小区中的用户设备向所述待检测小区发起接入 过程； 第二单元， 用于检测上述待检测小区中的用户设备发起的接入过程； 和第三单元， 用于当上述第二单元检测到上述待检测小区中的用户设备发 起的接入过程时， 判断该待检测小区为非睡眠小区。
本发明在一方面提供一种小区检测系统， 包括如上所述的基站。
在上述技术方案中， 基站发送的寻呼消息用于小区状态检测， 该寻呼 消息包含检测指示， 用于指示所述待检测小区中的用户设备向所述待检测 'J、区发起接入过程， 如果基站检测到该接入过程时， 即可判断该待检测 'J、 区是非睡眠小区。 上述技术方案能够更准确地检测出小区是否为睡眠小区， 克服了现有睡眠小区检测方法造成误判的问题，同时，由于不需要修改 TAC 或使 UE频繁上报 TAU, 减少了开销， 并且不会造成对寻呼被叫的影响。 附图说明
图 1是本发明一实施例提供的一种小区检测的方法流程示意图； 图 2是本发明另一实施例提供的一种小区检测的方法流程示意图； 图 3是本发明一实施例提供的一种基站的结构示意图；
图 4是本发明一实施例提供的一种小区检测系统的结构示意图。 具体实施方式
下面将结合附图， 详细介绍本发明的具体实施例。
如图 1所示， 本实施例提供一种小区检测的方法， 包括以下内容。
101 , 基站在待检测小区中发送寻呼消息， 该寻呼消息用于小区状态检 测， 该寻呼消息中包含检测指示， 用于指示上述待检测小区中的用户设备 向所述待检测小区发起接入过程。
102, 如果上述基站检测到上述待检测小区中的用户设备发起的接入过 程， 判断该待检测小区为非睡眠小区。
可选地， 如果基站未检测到待检测小区中的用户设备发起的接入过程， 判断该待检测小区为睡眠小区。
可选地， 上述寻呼消息为广播寻呼消息。 该广播寻呼消息在所有用户 设备的寻呼时机的和集上发送， 即在所有可能的寻呼时机中发送给小区中 的所有 UE。 上述接入过程包括随机接入 ( Random Access )过程或无线资 源控制 （Radio Resource Control, RRC )连接建立过程。
上述技术方案中基站发送的寻呼消息用于小区状态检测， 该寻呼消息 包含检测指示， 用于指示所述待检测小区中的用户设备向所述待检测小区 发起接入过程， 如果基站检测到该接入过程时， 即可判断该待检测小区为 非睡眠小区。 通过上述技术方案能够更准确地检测出小区是否为睡眠小区， 克服了现有睡眠小区检测方法造成误判的问题，同时，由于不需要修改 TAC 或使 UE频繁上报 TAU, 减少了开销， 并且不会造成对寻呼被叫的影响。 作为另一实施例提供的小区检测方法， 在上述 101之前， 可选地还可以 包括： 上述基站接收网管设备发送的睡眠小区检测指示信息。 那么， 在本 实施例中， 当上述 102中上述基站检测到上述用户设备发起的接入过程后， 上述基站还可以向上述网管设备发送睡眠小区检测响应信息， 该睡眠小区 检测响应信息表示该待检测小区为非睡眠小区。 可选地， 如果上述基站未 检测到上述用户设备发起的接入过程， 则判断上述待检测小区为睡眠小区， 该基站不响应网管设备发送的睡眠小区检测指示信息； 或者， 如果上述基 站未检测到上述用户设备发起的接入过程， 该基站也可以向网管设备发送 睡眠小区检测响应信息， 该睡眠小区检测响应信息用于通知网管设备该检 测小区为睡眠小区。
可选地， 上述寻呼消息为广播寻呼消息。 该广播寻呼消息在所有用户 设备的寻呼时机的和集上发送， 即在所有可能的寻呼时机中发送给小区中 的所有 UE。
可选地， 上述接入过程包括随机接入过程或 RRC连接建立过程。
上述技术方案能够更准确地检测出小区是否为睡眠小区， 克服了现有 睡眠小区检测方法造成误判的问题， 同时， 由于不需要修改 TAC或使 UE 频繁上报 TAU, 减少了开销， 并且不会造成对寻呼被叫的影响。
下面以长期演进（ Long Term Evolution , LTE ) 系统为例， 详细小区检 测的方法。 相应地， 本实施例中的基站以演进基站 eNodeB为例， 网管设备 以运营支持系统（Operations Support Systems, OSS )为例。 本实施例仅以 LTE系统为例介绍小区检测的方法， 但该方法并不仅限于在 LTE系统中使 用， 例如 GSM ( Global System For Mobile Communication, 全球移动通信系 统）、 WCDMA ( Wideband Code Division Multiple Access, 宽带码分多址） 系统、 或 CDMA ( Code Division Multiple Access , 码分多址） 系统、 或 LTE 之后的演进通信系统也可以使用该方法。 虽然在本申请文件中都使用 "基 站"， 但本领域技术人员可以理解， 在 GSM, WCDMA, CDMA, LTE系统 中， 上述 "基站" 可以分别包括基站控制器（ base station controller, BSC ) /基站收发器 ( base station transceiver, BSC), RNC(radio network controller, 无线网络控制器）， BSC/BST, eNodeB。
如图 2所示， 本实施例提供的小区检测方法包括以下内容。
201 , eNodeB 接收 OSS 发送的睡眠小区检测指示信息， 例如 SLC indication, 执行 202。
202, 上述 eNodeB在待检测小区中发送寻呼消息， 该寻呼消息用于小 区状态检测， 该寻呼消息中包含检测指示， 用于指示该待检测小区中的 UE 向该待检测 '〗、区发起接入过程。
可选地， 上述寻呼消息为广播寻呼消息， 该广播寻呼消息在所有用户 设备的寻呼时机的和集上发送， 即在所有可能的寻呼子帧中发送给小区中 的所有 UE, 例如： 在 FDD模式下的第 0、 4、 5、 9子帧中发送给小区中的 所有 UE, 在 TDD模式下的第 0、 1、 5、 6子帧中发送给小区中的 UE。
在具体实现过程中， 上述广播寻呼消息中的检测指示可以是该广播寻 呼消息中的专用信元 IE ,用来指示 UE向 eNodeB覆盖的小区发起接入过程， 例如： 设置 lbit 的专用值， 当该 bit值为 1时， 表示指示待检测小区中的 UE向待检测小区发起接入过程； 或者也可以在该广播寻呼消息中设置专用 信元 IE, 例如 Sleeping— cell— detection— indicator, 当 UE在该广播寻呼消息 中读到该 IE时， 向待检测 d、区发起接入过程。
203 , 当上述 eNodeB检测到上述待检测小区中的 UE发起了随机接入 过程或 RRC连接建立过程时， 判断该待检测小区为非睡眠小区。
作为一个具体实现方式，待检测小区中的 UE可根据自己的非连续接收 周期苏醒并侦听广播寻呼消息， 当收到上述广播寻呼消息后，该 UE向该待 检测小区发起随机接入过程或 RRC连接建立过程， 例如： UE向该待检测 小区发送随机接入请求或 RRC连接建立请求， 当上述 eNodeB检测到该随 机接入请求或 RRC连接建立请求时， 该 eNodeB可判断该待检测小区为非 睡眠小区。
204, 上述 eNodeB向上述 OSS发送睡眠小区检测响应信息， 例如 SLC indication result。 该睡眠小区检测响应信息表示上述待检测小区为非睡眠小 区。
需要说明的是， 上述 201和 204为可选， 即当 eNodeB不是根据接收到 的 OSS发送的睡眠小区检测指示信息发送寻呼消息， 而是该 eNodeB根据 自己的算法决定发送寻呼消息时（即不执行 201 , 直接执行 202时）， 相应 地可不执行 204。 在具体实现过程中， eNodeB可以自行决定待检测小区， 也可以由网管设备决定待检测小区后， 通知 eNodeB。 例如， 在执行 201的 方案中， 可以由 OSS决定待检测小区， 然后通知 eNodeB, 或者， eNodeB 在收到 OSS发送的睡眠小区检测指示信息后， 自己决定待检测小区； 在不 执行 201的方案中， eNodeB可以自己决定待检测小区， 或者也可以由 OSS 决定待检测小区， 然后通知 eNodeB。
可选地，如果在 203中上述 eNodeB未检测到上述用户设备发起的接入 过程， 即判断该待检测小区为睡眠小区时， eNodeB不向上述 OSS发送睡眠 小区检测响应信息，或者 eNodeB也可以向网管设备发送睡眠小区检测响应 信息， 该睡眠小区检测响应信息用于通知网管设备该待检测小区为睡眠小 区。 当执行 201和 204时， 可选地， OSS在发送睡眠小区检测指示信息时 还可以启动定时器， 当上述 OSS设置的定时器超时， 仍未收到 eNodeB的 响应消息时， OSS可确认上述待检测小区为睡眠小区。
上述技术方案中基站发送的寻呼消息用于小区状态检测， 该寻呼消息 包含检测指示， 用于指示所述待检测小区中的用户设备向所述待检测小区 发起接入过程， 如果基站检测到该接入过程时， 即可判断该待检测小区为 非睡眠小区。 通过上述技术方案能够更准确地检测出小区是否为睡眠小区， 克服了现有睡眠小区检测方法造成误判的问题，同时，由于不需要修改 TAC 或使 UE频繁上报 TAU, 减少了开销， 并且不会造成对寻呼被叫的影响。 本实施例提供的一种基站 30, 可以用于实现上述小区检测方法的实施 例。 如图 3所示， 该基站包括： 第一单元 310、 第二单元 320和第三单元 330。
其中， 第一单元 310在待检测小区中发送寻呼消息， 该寻呼消息用于 小区状态检测， 该寻呼消息中包含检测指示， 用于指示所述待检测小区中 的用户设备向该待检测 d、区发起接入过程； 第二单元 320检测上述待检测 小区中的用户设备发起的接入过程； 当该第二单元 330检测到上述用户设 备发起的接入过程时， 例如， 检测到用户设备发送的随机接入请求或 RRC 连接建立请求时， 第三单元 330判断该待检测小区为非睡眠小区。
可选地， 上述基站 30还包括： 第四单元， 用于在上述第一单元 310在待 检测小区中发送寻呼消息前， 接收网管设备发送的睡眠小区检测指示信息。 上述第三单元 330还用于， 当第二单元 320检测到上述待检测小区中的用户 设备发起的接入过程时， 向上述网管设备发送睡眠小区检测响应信息， 该 睡眠小区检测响应信息表示上述待检测小区为非睡眠小区。 可选地， 如果 第二单元 320未检测到上述待检测小区中的用户设备发起的接入过程， 第三 单元 330还用于判断该待检测小区为睡眠小区， 不向上述网管设备发送睡眠 小区检测响应信息， 或者向网管设备发送睡眠小区检测响应信息， 该睡眠 小区检测响应信息用于通知上述网管设备该待检测小区为睡眠小区。
可选地， 上述寻呼消息为广播寻呼消息， 该广播寻呼消息在所有用户 设备的寻呼时机的和集上发送， 即在所有可能的寻呼时机中发送给小区中 的所有 UE。 上述接入过程包括随机接入 ( Random Access )过程或 RRC连 接建立过程。
上述提供的基站实施例， 能够使网络更准确地检测出小区是否为睡眠 小区， 克服了现有睡眠小区检测方法造成误判的问题， 同时， 由于不需要 修改 TAC或使 UE频繁上报 TAU, 减少了开销， 并且不会造成对寻呼被叫 的影响。 本实施例提供的一种小区检测系统， 包括上述实施例中的基站 30, 可 以用于实现上述小区检测方法的实施例。 如图 4所示， 该系统还包括用户 设备 40, 该用户设备 40在待检测小区中， 用于在接收到基站 30发送的寻 呼消息后， 向该待检测小区发起接入过程。 可选地， 该系统还包括该网管 设备 50, 用于向上述基站 30发送睡眠小区检测指示信息，还用于在接收到 上述基站 30发送的睡眠小区检测响应信息时， 判断该待检测小区为非睡眠 小区。 可选地， 在该网管设备 50未接收到上述基站 30发送的睡眠小区检 测响应信息时， 判断该待检测小区为睡眠小区。
可选地， 网管设备 50还用于在发送上述睡眠小区检测指示信息时启动 定时装置， 在该定时装置超时前， 如果该网管设备 50未收到所述基站对所 述睡眠小区检测指示信息的响应， 则判断上述待检测小区为睡眠小区。
可选地， 上述寻呼消息为广播寻呼消息， 该广播寻呼消息在所有用户 设备的寻呼时机的和集上发送， 即在所有可能的寻呼时机中发送给小区中 的所有 UE。 上述接入过程包括随机接入 ( Random Access )过程或 RRC连 接建立过程。
在具体实现过程中上述网管设备 50包括运营支持系统 OSS。
上述提供的小区检测系统实施例中基站发送的寻呼消息用于小区状态 检测， 该寻呼消息包含检测指示， 用于指示所述待检测小区中的用户设备 向所述待检测小区发起接入过程， 如果基站检测到该接入过程时， 即可判 断该待检测小区为非睡眠小区。 通过上述技术方案能够使网络更准确地检 测出小区是否为睡眠小区， 克服了现有睡眠小区检测方法造成误判的问题， 同时， 由于不需要修改 TAC或使 UE频繁上报 TAU, 减少了开销， 并且不 会造成对寻呼被叫的影响。
本领域普通技术人员可以理解实现上述实施例方法中的全部或部分流 程， 可以通过计算机程序来指令相关的硬件来完成， 所述的程序可存储于 一计算机可读取存储介质中， 该程序在执行时， 可包括如上述各方法的实 施例的流程。 其中， 所述的存储介质可为磁碟、 光盘、 只读存储记忆体（R ead-Only Memory, ROM )或随机存储记忆体 ( Random Access Memory, RAM )等。
以上所述的具体实施方式， 对本发明的目的、 技术方案和有益效果进 行了进一步详细说明， 所应理解的是， 以上所述仅为本发明的具体实施方 式而已， 并不用于限定本发明的保护范围， 本领域技术人员在不付出创造 性劳动的基础上， 所做的任何修改、 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
1、 一种小区检测的方法， 其特征在于， 包括：
基站在待检测小区中发送寻呼消息， 所述寻呼消息用于小区状态检测， 所述寻呼消息中包含检测指示， 用于指示所述待检测小区中的用户设备向 所述待检测小区发起接入过程；
如果所述基站检测到所述待检测小区中的用户设备发起的接入过程， 判断所述待检测小区为非睡眠小区。
2、 根据权利要求 1所述的方法， 其特征在于， 在所述基站在待检测小 区中发送寻呼消息之前， 进一步包括：
所述基站接收网管设备发送的睡眠小区检测指示信息。
3、 根据权利要求 2所述的方法， 其特征在于， 所述基站检测到所述用 户设备发起的接入过程后， 所述基站向所述网管设备发送睡眠小区检测响 应信息， 该睡眠小区检测响应信息表示所述待检测小区为非睡眠小区。
4、 根据权利要求 1-3任一所述的方法， 其特征在于， 所述寻呼消息为 广播寻呼消息， 所述广播寻呼消息在所有用户设备的寻呼时机的和集上发 送。
5、 根据权利要求 1-3任一所述的方法， 其特征在于， 所述接入过程包 括随机接入过程或无线资源控制 RRC连接建立过程。
6、 一种基站， 其特征在于， 所述基站包括：
第一单元， 用于在待检测小区中发送寻呼消息， 所述寻呼消息用于小 区状态检测， 所述寻呼消息中包含检测指示， 用于指示所述待检测小区中 的用户设备向所述待检测小区发起接入过程；
第二单元， 用于检测所述待检测小区中的用户设备发起的接入过程； 和
第三单元， 用于当所述第二单元检测到所述待检测小区中的用户设备 发起的接入过程时， 判断所述待检测小区为非睡眠小区。
7、 根据权利要求 6所述的基站， 其特征在于， 所述基站还包括： 第四单元， 用于在所述第一单元在待检测小区中发送寻呼消息前， 接 收网管设备发送的睡眠小区检测指示信息。
8、 根据权利要求 7所述的基站， 其特征在于， 所述第三单元还用于， 当所述第二单元检测到所述用户设备发起的接入过程时， 向所述网管设备 发送睡眠小区检测响应信息， 该睡眠小区检测响应信息表示所述待检测小 区为非睡眠小区。
9、 根据权利要求 6-8任一所述的基站， 其特征在于， 所述寻呼消息为 广播寻呼消息， 所述广播寻呼消息在所有用户设备的寻呼时机的和集上发 送。
10、根据权利要求 6-8任一所述的基站， 其特征在于， 所述接入过程包 括随机接入过程或无线资源控制 RRC连接建立过程。
11、 一种小区检测系统， 其特征在于， 包括如权利要求 6-10任一所述 的基站。
12、 根据权利要求 11所述的系统， 其特征在于， 所述系统还包括用户 设备， 所述用户设备在待检测小区中， 用于在接收到所述寻呼消息后， 向 所述待检测小区发起接入过程。
13、 根据权利要求 11所述的系统， 其特征在于， 所述系统还包括网管 设备， 用于向所述基站发送睡眠小区检测指示信息。
14、 根据权利要求 13所述的系统， 其特征在于， 所述网管设备还用于 接收所述基站发送的睡眠小区检测响应信息， 并根据该睡眠小区检测响应 信息判断所述待检测小区为睡眠小区。
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