WO2013071813A1 - 检测网络中小区物理标识冲突或混淆的方法及系统及基站 - Google Patents
检测网络中小区物理标识冲突或混淆的方法及系统及基站 Download PDFInfo
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- WO2013071813A1 WO2013071813A1 PCT/CN2012/083626 CN2012083626W WO2013071813A1 WO 2013071813 A1 WO2013071813 A1 WO 2013071813A1 CN 2012083626 W CN2012083626 W CN 2012083626W WO 2013071813 A1 WO2013071813 A1 WO 2013071813A1
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
- H04W24/02—Arrangements for optimising operational condition
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
- H04W24/10—Scheduling measurement reports ; Arrangements for measurement reports
Definitions
- the present invention relates to the field of communications technologies, and in particular, to a method, system, and base station for detecting cell physical identity conflict or confusion in a network. Background technique
- the physical identity of a cell is an important configuration parameter of a cell in a Long Term Evolution (LTE) wireless network.
- the base station is used to identify signals transmitted by different cells in the physical layer and to distinguish different cell signals by the terminal.
- the limitation of the number causes the same PCI to be multiplexed between different cells.
- the result of multiplexing is the confusion and conflict of PCI between cells.
- the present invention is directed to a method and system for detecting collision or confusion of a physical identity of a cell in a network, and a base station, which is used for solving the waste of manpower and material resources and low detection efficiency caused by traditional detection of PCI collision or confusion. problem.
- the present invention provides a method for detecting PCI collision or confusion of a physical identification of a cell in a network, the method comprising:
- the base station initiates an evolved cell global identifier ECGI measurement to multiple terminals of the serving cell, instructing it to detect and report the ECGI of the cell identified by the designated PCI;
- the method further includes: when the terminal does not detect the ECGI of the cell identified by the designated PCI for the designated PCI, the base station initiates the ECGI measurement again, and the specified PCI cannot be successfully detected when the ECGI measurement is initiated multiple times. When the ECGI of the identified cell is stopped, the ECGI measurement is stopped for the specified PCI.
- the determining whether there is a PCI conflict or confusion around the serving cell includes: determining, according to the ECGI reported by the terminal, if the reported ECGI is different, determining that there is a PCI conflict or confusion around the serving cell, otherwise there is no PCI conflict. Or confused.
- the designated PCI is an unknown PCI carried in the measurement report reported by the terminal, or a known PCI in the neighbor relationship table.
- the method further includes: the base station initiates an ECGI to the known PCI in the neighbor relationship table by means of an event triggering manner or a period triggering manner. measuring.
- the event triggering manner is determined according to the key performance indicator KPI of the serving cell, and includes: when the KPI of the serving cell is lower than a predetermined threshold, triggering a known PCI in the neighbor relationship table. Initiate an ECGI measurement, otherwise it will not trigger.
- the terminal that performs the ECGI measurement is selected as follows:
- Selecting all the connected terminals of the serving cell selecting a predetermined number of terminals according to the busyness of the service; selecting the terminal supporting the ECGI measurement and the terminal in the idle state to perform the ECGI measurement; and selecting the terminal that has reported the measurement report and carrying the designated PCI; The terminal at the edge of the serving cell is selected.
- the present invention further provides a system for detecting a PCI collision or confusion of a physical identity of a cell in a network, where the system includes: a base station and a terminal, where
- the base station configured to initiate an evolved cell global identifier ECGI measurement to a plurality of terminals of the serving cell for the specified PCI, instructing the UE to detect and report the ECGI of the cell identified by the designated PCI; and determining the service according to the ECGI reported by the terminal Whether there is a PCI conflict or confusion around the cell; the terminal is configured to report the ECGI of the cell identified by the designated PCI according to the indication of the base station.
- the base station includes: an evolved cell global identifier, an ECGI measurement initiation module, and a determination module;
- An ECGI measurement initiating module configured to initiate an ECGI measurement to a plurality of terminals of the serving cell for the specified cell physical identifier PCI, instructing the terminal to detect and report the ECGI of the designated cell identified by the PCI;
- a determining module configured to determine, according to the ECGI reported by the terminal, whether there is a PCI conflict or confusion around the serving cell.
- the ECGI measurement initiating module is further configured to: when the terminal does not detect the ECGI of the cell identified by the designated PCI for the designated PCI, initiate the ECGI measurement again, and fail to detect the ECGI measurement repeatedly. When the ECGI of the cell identified by the PCI is specified, the ECGI measurement is stopped for the specified PCI.
- the determining module is specifically configured to:
- the present invention also provides a base station, where the base station includes: an ECGI measurement initiation module and a determination module;
- An ECGI measurement initiating module configured to initiate an ECGI measurement to a plurality of terminals of the serving cell for the specified cell physical identifier PCI, instructing the terminal to detect and report the ECGI of the designated cell identified by the PCI;
- a determining module configured to determine, according to the ECGI reported by the terminal, whether there is a PCI conflict or confusion around the serving cell.
- the ECGI measurement initiating module is further configured to: when the terminal does not detect the ECGI of the cell identified by the designated PCI for the designated PCI, initiate the ECGI measurement again, and fail to detect the ECGI measurement repeatedly. When the ECGI of the cell identified by the PCI is specified, the ECGI measurement is stopped for the specified PCI.
- the determining module is specifically configured to:
- the reported ECGI if the reported ECGI is different, it is determined that there is PCI conflict or confusion around the serving cell, otherwise there is no PCI conflict or confusion.
- FIG. 1 is a schematic flow chart of a first method embodiment of the present invention
- FIG. 2 is a schematic flow chart of a second method embodiment of the present invention.
- FIG. 3 is a schematic structural diagram of a system according to an embodiment of the present invention
- FIG. 4 is a schematic structural diagram of a base station according to an embodiment of the present invention. detailed description
- FIG. 1 including a first method embodiment and a second method embodiment.
- FIG. 1 is a schematic flowchart of a first method according to an embodiment of the present invention, which is a detection scenario for a conflict or confusion of an unknown PCI, where an unknown PCI refers to a neighbor relationship table in which the PCI is not added to the serving cell.
- the method may specifically include the following steps:
- Step 101 The terminal reports a measurement report carrying an unknown PCI.
- Step 102 The base station selects, according to the unknown PCI, a plurality of terminals in the serving cell to initiate an Evolved Cell Global Identifier (ECGI) measurement, and instructs the terminals to perform ECGI measurement on the cell identified by the unknown PCI, and Reporting the detected ECGI to the base station;
- ECGI Evolved Cell Global Identifier
- Step 103 The terminal performs ECGI measurement on the cell identified by the unknown PCI according to the indication of the base station.
- Step 104 If the ECGI of the cell identified by the unknown PCI is detected, the base station is sent to the base station, otherwise it is not reported;
- Step 105 The base station determines, according to the ECGI reported by the terminal, whether there is a PCI conflict or confusion around the serving cell, and the determining process includes: when the terminal detects and reports the same ECGI for the unknown PCI, the base station determines the surrounding of the serving cell. There is no PCI conflict or confusion for the unknown PCI. When the terminal detects and reports different ECGIs for the unknown PCI, the base station determines that there is a PCI conflict or confusion around the serving cell for the unknown PCI. The PCI conflict or confusion is the cell corresponding to the ECGI on the terminal.
- the base station may initiate the ECGI measurement again after a certain period of time, and the UE identified by the unknown PCI cannot be successfully detected when the ECGI measurement indication is sent multiple times. At the time of ECGI, the ECGI measurement is stopped for the unknown PCI.
- all the terminals in the serving cell that are connected may be selected, or some terminals may be selected for ECGI measurement according to certain conditions, and the following basis may be referred to:
- a certain number of terminals may be selected, for example, a maximum of 10 terminals may be limited;
- a terminal supporting ECGI measurement and a terminal for performing ECGI measurement by the terminal in an idle state may be selected;
- the terminal that has passed the unknown PCI may be selected according to the situation that the measurement report is reported before the terminal;
- the terminal at the cell edge can be selected for ECGI measurement according to the location of the terminal.
- FIG. 2 is a schematic flowchart of a second method according to an embodiment of the present invention, which is a detection scenario of a conflict or confusion of a known PCI, where PCI is known to indicate that the PCI has been added to a neighboring cell of a serving cell.
- the PCI in the relationship table may specifically include the following steps:
- Step 201 The base station selects a known PCI in the neighbor relationship table of the serving cell to perform ECGI measurement by means of an event triggering manner or a period triggering manner.
- the event triggering manner may consider a key performance indicator (KPI) of the serving cell.
- KPI key performance indicator
- the periodic trigger mode may consider setting the periodic timer, for example, every 24 hours, in the neighbor relationship table. Knowing that the PCI performs the ECGI measurement; wherein the value of the KPI can be determined according to the actual situation, and no specific provisions are made herein;
- Step 202 The base station selects multiple terminals in the serving cell to initiate the ECGI for the known PCI. Measuring, indicating that the terminal performs ECGI measurement on the cell identified by the known PCI, and reporting the detected ECGI to the base station;
- Step 203 The terminal detects the cell identified by the known PCI according to the indication of the base station.
- Step 205 The base station determines, according to the ECGI reported by the terminal, whether there is a PCI conflict or confusion around the serving cell, and the determining process includes: when the terminal detects and reports the same ECGI for the known PCI, the base station determines the surrounding of the serving cell. For the known PCI, there is no PCI conflict or confusion; when the terminal detects and reports different ECGIs for the known PCI, the base station determines that there is PCI conflict or confusion around the serving cell for the known PCI. If a PCI collision or confusion occurs, it is the cell corresponding to the ECGI on the terminal.
- the base station may initiate the ECGI measurement again after a certain time delay.
- the ECGI measurement indication is sent multiple times, the known PCI cannot be successfully detected.
- the ECGI measurement is stopped for the known PCI.
- all the terminals in the serving cell can be selected, and some terminals can be selected for ECGI measurement according to certain conditions.
- the following basis can be referred to:
- a certain number of terminals may be selected, for example, a maximum of 10 terminals may be limited;
- the terminal supporting ECGI measurement can be selected and operated by idle time.
- the terminal at the cell edge can be selected for ECGI measurement according to the location of the terminal.
- FIG. 3 is a schematic structural diagram of a system according to an embodiment of the present invention, which specifically includes:
- the base station for the designated PCI, initiates an ECGI measurement to the multiple terminals of the serving cell, instructs the multiple terminals to detect and report the ECGI of the cell identified by the designated PCI, and determines whether there is a PCI conflict around the serving cell according to the ECGI reported by the terminal. Or confusing; since the description of the base station will be described in detail below with reference to FIG. 4, it will not be described again.
- the terminal reports the ECGI of the cell identified by the designated PCI according to the indication of the base station.
- FIG. 4 is a schematic structural diagram of a base station according to an embodiment of the present invention, which may include at least:
- the ECGI measurement initiating module for a specified PCI, initiates an ECGI measurement to a plurality of terminals of the serving cell, instructs the multiple terminals to detect and report the ECGI of the cell identified by the designated PCI; and the terminal does not detect the specified for the designated PCI.
- the ECGI measurement initiating module initiates the ECGI measurement again, and stops the ECGI measurement for the designated PCI when the ECGI measurement fails to detect the ECGI of the cell identified by the specified PCI.
- the determining module determines, according to the ECGI reported by the terminal, whether there is a PCI conflict or confusion around the serving cell; specifically, the determining module determines according to the ECGI reported by the terminal, and if the reported ECGI is different, determining that there is a PCI conflict or Confusion, otherwise there is no PCI conflict or confusion; that is, when the terminal detects the same ECGI for the unknown PCI, the determining module determines that there is no PCI conflict or confusion for the unknown PCI around the serving cell; When the terminal detects and reports different ECGIs for the unknown PCI, the determining module determines that there is a PCI conflict or confusion for the unknown PCI around the serving cell, and a PCI conflict or confusion occurs for the ECGI corresponding to the terminal. Community.
- the ECGI measurement initiation module may select all the terminals in the serving cell to select the terminals in the serving cell, or select some terminals to perform ECGI measurement according to certain conditions, and may refer to the following basis: According to the busyness of the network service, a certain number of terminals may be selected, for example, a maximum of 10 terminals may be limited;
- a terminal supporting ECGI measurement and a terminal performing ECGI measurement by idle time may be selected;
- the terminal that has passed the unknown PCI may be selected according to the situation that the measurement report is reported before the terminal;
- the terminal at the cell edge can be selected for ECGI measurement according to the location of the terminal.
- the embodiment of the present invention provides a method, a system, and a base station for detecting a cell physical identity conflict or confusion in a network.
- the 3GPP protocol provides a method for the base station to instruct the terminal to detect the adjacent cell ECGI.
- the base station can instruct the terminal to detect and report the ECGI of the neighboring cell, and the ECGI is the identifier of the upper layer of the cell in the network, and is unique in the entire network. Therefore, the embodiment of the present invention is to indicate the terminal by using the base station provided by the protocol.
- the scheme for detecting PCI conflict or confusion uses the commercial terminal in the network to discover the problems existing in the network, and adopts the idea of "all-people road test" to quickly and effectively discover the PCI conflict or confusion phenomenon in the network. , reducing the cost of network optimization and improving the efficiency of network optimization.
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Abstract
本发明公开了一种检测网络中小区物理标识PCI冲突或混淆的方法,针对指定PCI,基站向服务小区的多个终端发起演进的小区全球标识符ECGI测量,指示其检测并上报所述指定PCI所标识小区的ECGI;根据终端上报的ECGI判定服务小区周围是否存在PCI冲突或混淆;本发明同时还公开了一种检测网络中小区物理标识PCI冲突或混淆的系统及基站,通过本发明的方案,能够快速有效的发现网络中存在的PCI冲突或混淆,节约人力物力,并且提高检测效率。
Description
检测网络中小区物理标识冲突或混淆的方法及系统及基站 技术领域
本发明涉及通信技术领域, 尤其涉及一种检测网络中小区物理标识沖 突或混淆的方法及系统及基站。 背景技术
小区物理标识(PCI, Physical Cell Identity )是一个长期演进(LTE, Long Term Evolution )无线网络中小区的重要配置参数, 用于基站在物理层 标识不同小区发射信号以及终端区分不同的小区信号。 LTE 网络共有 504 个小区物理标识资源, 数量上的限制导致相同的 PCI需要在不同小区之间 复用, 但是复用的结果就是带来小区间 PCI的混淆和沖突。
当网络中存在 PCI沖突时, 小区间的信号会相互干扰, 导致基站和终 端对信号解调的成功率下降, 影响业务的质量。 更甚者会导致终端无法接 入, 引起用户的投诉。 当网络中存在 PCI混淆时, 会影响切换的成功率, 导致部分用户切换失败, 影响严重的 PCI混淆, 同样会导致用户的大量投 诉。 因此, 网络中的 PCI沖突或混淆检测一直是保证网络服务质量, 提升 网络用户满意度的重要工作, 受到网络运营商和网络设备上的高度关注。
在传统的 3G网络中,检测 PCI沖突或混淆的主要方式是通过网络优化 人员对商用网络的大量路测。 但是这种检测方式一方面很难覆盖到网络的 各个区域, 另外一方面在耗费大量人力物力的同时, 检测的效率也很难保 证。 由于网络中无线环境受建筑物、 季节、 地形等各种复杂因素的影响, 也很难通过路测, 检测出所有网络中存在的 PCI沖突和混淆。
发明内容
鉴于上述的分析, 本发明旨在提供一种检测网络中小区物理标识沖突 或混淆的方法及系统及基站, 用于解决传统检测 PCI沖突或混淆方式所带 来的来人力物力浪费以及检测效率低问题。
本发明的目的主要是通过以下技术方案实现的:
本发明提供了一种检测网络中小区物理标识 PCI沖突或混淆的方法, 该方法包括:
针对指定 PCI,基站向服务小区的多个终端发起演进的小区全球标识符 ECGI测量, 指示其检测并上报所述指定 PCI所标识小区的 ECGI;
根据终端上报的 ECGI判定服务小区周围是否存在 PCI沖突或混淆。 上述方案中, 该方法还包括: 当终端针对指定 PCI未检测到所述指定 PCI所标识小区的 ECGI时,基站再次发起 ECGI测量,并在多次发起 ECGI 测量均无法成功检测到所述指定 PCI所标识小区的 ECGI时,停止针对所述 指定 PCI发起 ECGI测量。
上述方案中, 所述判定服务小区周围是否存在 PCI沖突或混淆包括: 根据终端上报的 ECGI进行判断, 如果上报的 ECGI不同, 则确定所述 服务小区周围存在 PCI沖突或混淆, 否则不存在 PCI沖突或混淆。
上述方案中,所述指定 PCI为终端上报测量报告中携带的未知 PCI,或 者为邻区关系表中的已知 PCI。
上述方案中, 当所述指定 PCI为邻区关系表中的已知 PCI时, 该方法 还包括: 基站通过事件触发的方式或者周期触发的方式, 对邻区关系表中 的已知 PCI发起 ECGI测量。
上述方案中, 所述事件触发的方式是根据所述服务小区的关键性能标 识 KPI来决定, 包括: 当所述服务小区的 KPI低于预定门限时, 触发对邻 区关系表中的已知 PCI发起 ECGI测量, 否则不触发。
上述方案中, 通过如下方式选择进行 ECGI测量的终端:
选择所述服务小区所有建立连接的终端; 根据业务繁忙程度选择预定 数量的终端;选择支持 ECGI测量的终端以及空闲状态的终端进行 ECGI测 量; 选择已上报测量报告携带过所述指定 PCI的终端; 选择所述服务小区 边缘的终端。
本发明又提供了一种检测网络中小区物理标识 PCI沖突或混淆的系统, 该系统包括: 基站和终端, 其中,
基站, 用于针对指定 PCI, 向服务小区的多个终端发起演进的小区全球 标识符 ECGI测量, 指示其检测并上报所述指定 PCI所标识小区的 ECGI; 并根据终端上报的 ECGI判定所述服务小区周围是否存在 PCI沖突或混淆; 终端, 用于根据基站的指示上报所述指定 PCI所标识小区的 ECGI。 上述方案中,所述基站包括: 演进的小区全球标识符 ECGI测量发起模 块、 判定模块; 其中,
ECGI测量发起模块, 用于针对指定小区物理标识 PCI, 向服务小区的 多个终端发起 ECGI测量,指示所述终端检测并上报所述指定 PCI所标识小 区的 ECGI;
判定模块,用于根据终端上报的 ECGI判定所述服务小区周围是否存在 PCI沖突或混淆。
上述方案中, 所述 ECGI 测量发起模块还用于, 在终端针对指定 PCI 未检测到所述指定 PCI所标识小区的 ECGI时, 再次发起 ECGI测量, 并在 多次发起 ECGI测量均无法成功检测到所述指定 PCI所标识小区的 ECGI 时, 停止针对所述指定 PCI发起 ECGI测量。
上述方案中, 所述判定模块具体用于,
根据终端上报的 ECGI进行判断, 如果上报的 ECGI不同, 则确定所述 服务小区周围存在 PCI沖突或混淆, 否则不存在 PCI沖突或混淆。
本发明还提供了一种基站, 该基站包括: ECGI测量发起模块、 判定模 块; 其中,
ECGI测量发起模块, 用于针对指定小区物理标识 PCI, 向服务小区的 多个终端发起 ECGI测量,指示所述终端检测并上报所述指定 PCI所标识小 区的 ECGI;
判定模块,用于根据终端上报的 ECGI判定所述服务小区周围是否存在 PCI沖突或混淆。
上述方案中, 所述 ECGI 测量发起模块还用于, 在终端针对指定 PCI 未检测到所述指定 PCI所标识小区的 ECGI时, 再次发起 ECGI测量, 并在 多次发起 ECGI测量均无法成功检测到所述指定 PCI所标识小区的 ECGI 时, 停止针对所述指定 PCI发起 ECGI测量。
上述方案中, 所述判定模块具体用于,
根据终端上报的 ECGI进行判断, 如果上报的 ECGI不同, 则确定所述 服务小区周围存在 PCI沖突或混淆, 否则不存在 PCI沖突或混淆。
本发明有益效果如下:
快速有效的发现网络中存在的 PCI沖突或混淆, 节约了人力物力, 并 且提高了检测效率。
本发明的其他特征和优点将在随后的说明书中阐述, 并且, 部分的从 说明书中变得显而易见, 或者通过实施本发明而了解。 本发明的目的和其 他优点可通过在所写的说明书、 权利要求书、 以及附图中所特别指出的结 构来实现和获得。 附图说明
图 1为本发明第一方法实施例的流程示意图;
图 2为本发明第二方法实施例的流程示意图;
图 3为本发明实施例所述系统的结构示意图;
图 4为本发明实施例所述基站的结构示意图。 具体实施方式
下面结合附图来具体描述本发明的优选实施例, 其中, 附图构成本申 请一部分, 并与本发明的实施例一起用于阐释本发明的原理。 为了清楚和 简化目的, 当其可能使本发明的主题模糊不清时, 将省略本文所描述的器 件中已知功能和结构的详细具体说明。
首先结合附图 1 对本发明方法实施进行详细说明, 包括第一方法实施 例和第二方法实施例。
如图 1所示, 图 1为本发明第一方法实施例的流程示意图, 是针对未 知 PCI的沖突或混淆的检测场景, 其中未知 PCI是指该 PCI未被添加到服 务小区的邻区关系表中的 PCI, 该方法具体可以包括如下步驟:
步驟 101 : 终端上报携带未知 PCI的测量报告;
步驟 102: 基站针对该未知 PCI, 选择服务小区内的多个终端发起演进 的小区全球标识符(ECGI, Evolved Cell Global Identifier )测量, 指示这些 终端对所述未知 PCI所标识小区进行 ECGI测量,并将检测到的 ECGI上报 给基站;
步驟 103: 终端根据基站的指示对所述未知 PCI所标识小区进行 ECGI 测量;
步驟 104: 如果检测到所述未知 PCI所标识小区的 ECGI, 则上 4艮给基 站, 否则不上报;
步驟 105: 基站根据终端上报的 ECGI判定所述服务小区周围是否存在 PCI沖突或混淆,判定过程包括: 当终端针对所述未知 PCI检测并上报的是 同一个 ECGI时,基站判定所述服务小区周围针对所述未知 PCI不存在 PCI 沖突或混淆现象; 当终端针对所述未知 PCI检测并上报不同的 ECGI时,基 站判定所述服务小区周围针对该未知 PCI,存在 PCI沖突或混淆现象,发生
PCI沖突或混淆的即为终端上 ^艮的 ECGI所对应的小区。
并且, 当终端针对所述未知 PCI未检测到 ECGI时,可以延迟一定的时 间后, 基站可以再次发起 ECGI测量, 当多次下发 ECGI测量指示, 均无法 成功检测到所述未知 PCI所标识小区的 ECGI时, 停止针对所述未知 PCI 发起 ECGI测量。
对于进行 ECGI测量的终端,可以选择所述服务小区内所有建立连接的 终端,也可以根据一定的条件选择部分终端进行 ECGI测量,可以参考以下 依据:
可以根据网络业务繁忙程度, 选择一定数量的终端进行, 例如可以限 制最多选择 10个终端;
可以根据终端的能力,选择支持 ECGI测量的终端以及由空闲状态的终 端进行 ECGI测量的终端;
可以根据终端之前上报测量报告的情况, 选择测量报告携带过该未知 PCI的终端;
可以根据终端的位置, 选择小区边缘的终端进行 ECGI测量。
如图 2所示, 图 2为本发明第二方法实施例的流程示意图, 是针对已 知 PCI的沖突或混淆的检测场景, 其中已知 PCI是指该 PCI已经被添加到 服务小区的邻区关系表中的 PCI, 该方法具体可以包括如下步驟:
步驟 201 : 基站通过事件触发的方式或者周期触发的方式, 选择服务小 区的邻区关系表中的已知 PCI进行 ECGI测量;其中,事件触发方式可以考 虑服务小区的关键性能标识(KPI ), 当服务小区的 KPI低于指定门限值时, 触发对邻区关系表中的已知 PCI进行 ECGI测量;周期触发方式可以考虑设 置周期定时器, 例如每 24小时, 对邻区关系表中的已知 PCI进行 ECGI测 量; 其中, KPI的值可以根据实际情况来确定大小, 此处不做具体规定; 步驟 202: 基站针对已知 PCI, 选择服务小区内的多个终端发起 ECGI
测量,指示这些终端对所述已知 PCI所标识小区进行 ECGI测量,并将检测 到的 ECGI上报给基站;
步驟 203: 终端根据基站的指示对所述已知 PCI所标识小区进行检测; 步驟 204: 如果检测到所述已知 PCI所标识小区的 ECGI, 则上 4艮给基 站, 否则不上报;
步驟 205: 基站根据终端上报的 ECGI判定所述服务小区周围是否存在 PCI沖突或混淆,判定过程包括: 当终端针对所述已知 PCI检测并上报的是 同一个 ECGI时, 基站判定该服务小区周围针对所述已知 PCI, 不存在 PCI 沖突或混淆现象; 当终端针对所述已知 PCI检测并上报不同的 ECGI时,基 站判定所述服务小区周围针对该已知 PCI,存在 PCI沖突或混淆现象,发生 PCI沖突或混淆的即为终端上 4艮的 ECGI所对应的小区。
并且, 当终端针对所述已知 PCI未检测到 ECGI时,可以延迟一定的时 间后, 基站可以再次发起 ECGI测量, 当多次下发 ECGI测量指示, 均无法 成功检测到所述已知 PCI的 ECGI时, 停止针对所述已知 PCI发起 ECGI 测量。
对于进行 ECGI测量的终端的选择,可以选择服务小区内所有建立连接 的终端,也可以根据一定的条件选择部分终端进行 ECGI测量,可以参考以 下依据:
可以根据网络业务繁忙程度, 选择一定数量的终端进行, 例如可以限 制最多选择 10个终端;
可以根据终端的能力,选择支持 ECGI测量的终端以及由空闲时间进行
ECGI测量的终端;
可以根据终端的位置, 选择小区边缘的终端进行 ECGI测量。
接下来将结合附图 3对本发明实施例所述系统进行详细说明。
如图 3所示, 图 3为本发明实施例所述系统的结构示意图, 具体包括:
基站, 针对指定 PCI, 向服务小区的多个终端发起 ECGI测量, 指示多 个终端检测并上报所述指定 PCI 所标识小区的 ECGI; 并根据终端上报的 ECGI判定所述服务小区周围是否存在 PCI沖突或混淆; 由于对于基站的说 明将在下面结合附图 4进行详细描述, 因此处不再赘述。
终端, 根据基站的指示上报所述指定 PCI所标识小区的 ECGI。
最后将结合附图 4对本发明实施例所述基站进行详细说明。
如图 4所示, 图 4为本发明实施例所述基站的结构示意图, 至少可以 包括:
ECGI测量发起模块,针对指定 PCI,向服务小区的多个终端发起 ECGI 测量, 指示多个终端检测并上报所述指定 PCI所标识小区的 ECGI; 在终端 针对所述指定 PCI未检测到所述指定 PCI所标识小区的 ECGI时, ECGI测 量发起模块再次发起 ECGI测量,并在多次发起 ECGI测量均无法成功检测 到所述指定 PCI所标识小区的 ECGI时, 停止对所述指定 PCI发起 ECGI 测量。
判定模块, 根据终端上报的 ECGI判定该服务小区周围是否存在 PCI 沖突或混淆; 具体的说就是, 判定模块根据终端上报的 ECGI进行判断, 如 果上报的 ECGI不同,则确定服务小区周围存在 PCI沖突或混淆,否则不存 在 PCI沖突或混淆; 即当终端针对未知 PCI检测并上才艮的是同一个 ECGI 时,判定模块判定该服务小区周围针对所述未知 PCI, 不存在 PCI沖突或混 淆现象; 当终端针对未知 PCI检测并上报不同的 ECGI时,判定模块判定该 服务小区周围针对所述未知 PCI, 存在 PCI沖突或混淆现象, 发生 PCI沖 突或混淆的即为终端上 ·^艮的 ECGI所对应的小区。
其中, ECGI测量发起模块对于进行 ECGI测量的终端的选择, 可以选 择服务小区内所有建立连接的终端, 也可以根据一定的条件选择部分终端 进行 ECGI测量, 可以参考以下依据:
可以根据网络业务繁忙程度, 选择一定数量的终端进行, 例如可以限 制最多选择 10个终端;
可以根据终端的能力,选择支持 ECGI测量的终端以及由空闲时间进行 ECGI测量的终端;
可以根据终端之前上报测量报告的情况, 选择测量报告携带过该未知 PCI的终端;
可以根据终端的位置, 选择小区边缘的终端进行 ECGI测量。
综上所述, 本发明实施例提供了一种检测网络中小区物理标识沖突或 混淆的方法及系统及基站, 由于在 LTE系统中, 3GPP协议提供了基站指示 终端检测邻接小区 ECGI的方式,通过协议提供的这个机制,基站可以指示 终端检测并上报邻接小区的 ECGI , 并且 ECGI是网络中小区高层的标识, 在整个网络中具有唯一性, 因此, 本发明实施例就是利用协议提供的基站 指示终端上报邻接小区 ECGI的机制,来对网络中的 PCI沖突或混淆进行检 测。
采用本发明实施例提供的检测 PCI沖突或混淆的方案, 利用网络中商 用终端发现网络中存在的问题, 采用 "全民路测" 的思想, 在快速有效的 发现网络中 PCI沖突或混淆现象的同时, 降低了网络优化的成本, 提高了 网络优化的效率。
以上所述, 仅为本发明较佳的具体实施方式, 但本发明的保护范围并 不局限于此, 任何熟悉本技术领域的技术人员在本发明揭露的技术范围内, 可轻易想到的变化或替换, 都应涵盖在本发明的保护范围之内。 因此, 本 发明的保护范围应该以权利要求书的保护范围为准。
Claims
1、一种检测网络中小区物理标识 PCI沖突或混淆的方法,其特征在于, 该方法包括:
针对指定 PCI,基站向服务小区的多个终端发起演进的小区全球标识符 ECGI测量, 指示其检测并上报所述指定 PCI所标识小区的 ECGI;
根据终端上报的 ECGI判定服务小区周围是否存在 PCI沖突或混淆。
2、 根据权利要求 1所述的方法, 其特征在于, 该方法还包括: 当终端 针对指定 PCI未检测到所述指定 PCI所标识小区的 ECGI时, 基站再次发 起 ECGI测量, 并在多次发起 ECGI测量均无法成功检测到所述指定 PCI 所标识小区的 ECGI时, 停止针对所述指定 PCI发起 ECGI测量。
3、 根据权利要求 1或 2所述的方法, 其特征在于, 所述判定服务小区 周围是否存在 PCI沖突或混淆包括:
根据终端上报的 ECGI进行判断, 如果上报的 ECGI不同, 则确定所述 服务小区周围存在 PCI沖突或混淆, 否则不存在 PCI沖突或混淆。
4、 根据权利要求 1或 2所述的方法, 其特征在于, 所述指定 PCI为终 端上报测量报告中携带的未知 PCI , 或者为邻区关系表中的已知 PCI。
5、 根据权利要求 4所述的方法, 其特征在于, 当所述指定 PCI为邻区 关系表中的已知 PCI时, 该方法还包括: 基站通过事件触发的方式或者周 期触发的方式, 对邻区关系表中的已知 PCI发起 ECGI测量。
6、 根据权利要求 5所述的方法, 其特征在于, 所述事件触发的方式是 根据所述服务小区的关键性能标识 KPI来决定, 包括: 当所述服务小区的 KPI低于预定门限时, 触发对邻区关系表中的已知 PCI发起 ECGI测量, 否 则不触发。
7、 根据权利要求 1所述的方法, 其特征在于, 通过如下方式选择进行 ECGI测量的终端: 选择所述服务小区所有建立连接的终端; 根据业务繁忙程度选择预定 数量的终端;选择支持 ECGI测量的终端以及空闲状态的终端进行 ECGI测 量; 选择已上报测量报告携带过所述指定 PCI的终端; 选择所述服务小区 边缘的终端。
8、一种检测网络中小区物理标识 PCI沖突或混淆的系统,其特征在于, 该系统包括: 基站和终端, 其中,
基站, 用于针对指定 PCI, 向服务小区的多个终端发起演进的小区全球 标识符 ECGI测量, 指示其检测并上报所述指定 PCI所标识小区的 ECGI; 并根据终端上报的 ECGI判定所述服务小区周围是否存在 PCI沖突或混淆; 终端, 用于根据基站的指示上报所述指定 PCI所标识小区的 ECGI。
9、 根据权利要求 8所述的系统, 其特征在于, 所述基站包括: 演进的 小区全球标识符 ECGI测量发起模块、 判定模块; 其中,
ECGI测量发起模块, 用于针对指定小区物理标识 PCI, 向服务小区的 多个终端发起 ECGI测量,指示所述终端检测并上报所述指定 PCI所标识小 区的 ECGI;
判定模块,用于根据终端上报的 ECGI判定所述服务小区周围是否存在 PCI沖突或混淆。
10、根据权利要求 9所述的基站, 其特征在于, 所述 ECGI测量发起模 块还用于,在终端针对指定 PCI未检测到所述指定 PCI所标识小区的 ECGI 时, 再次发起 ECGI测量, 并在多次发起 ECGI测量均无法成功检测到所述 指定 PCI所标识小区的 ECGI时, 停止针对所述指定 PCI发起 ECGI测量。
11、 根据权利要求 9所述的基站, 其特征在于, 所述判定模块具体用 于,
根据终端上报的 ECGI进行判断, 如果上报的 ECGI不同, 则确定所述 服务小区周围存在 PCI沖突或混淆, 否则不存在 PCI沖突或混淆。
12、 一种基站, 其特征在于, 该基站包括: ECGI测量发起模块、 判定 模块; 其中,
ECGI测量发起模块, 用于针对指定小区物理标识 PCI, 向服务小区的 多个终端发起 ECGI测量,指示所述终端检测并上报所述指定 PCI所标识小 区的 ECGI;
判定模块,用于根据终端上报的 ECGI判定所述服务小区周围是否存在 PCI沖突或混淆。
13、 根据权利要求 12所述的基站, 其特征在于, 所述 ECGI测量发起 模块还用于, 在终端针对指定 PCI 未检测到所述指定 PCI 所标识小区的 ECGI时, 再次发起 ECGI测量, 并在多次发起 ECGI测量均无法成功检测 到所述指定 PCI所标识小区的 ECGI时, 停止针对所述指定 PCI发起 ECGI 测量。
14、 根据权利要求 12所述的基站, 其特征在于, 所述判定模块具体用 于,
根据终端上报的 ECGI进行判断, 如果上报的 ECGI不同, 则确定所述 服务小区周围存在 PCI沖突或混淆, 否则不存在 PCI沖突或混淆。
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