WO2011060649A1 - 通话链路质量统计信息上报的方法及系统 - Google Patents

通话链路质量统计信息上报的方法及系统 Download PDF

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Publication number
WO2011060649A1
WO2011060649A1 PCT/CN2010/075384 CN2010075384W WO2011060649A1 WO 2011060649 A1 WO2011060649 A1 WO 2011060649A1 CN 2010075384 W CN2010075384 W CN 2010075384W WO 2011060649 A1 WO2011060649 A1 WO 2011060649A1
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Prior art keywords
base station
call
link
message
station controller
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PCT/CN2010/075384
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English (en)
French (fr)
Inventor
刘强
Original Assignee
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.)
Filing date
Publication date
Application filed by 中兴通讯股份有限公司 filed Critical 中兴通讯股份有限公司
Priority to EP10831065.7A priority Critical patent/EP2490476B1/en
Priority to JP2012539165A priority patent/JP5420772B2/ja
Priority to US13/259,080 priority patent/US8755330B2/en
Publication of WO2011060649A1 publication Critical patent/WO2011060649A1/zh

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/0005—Control or signalling for completing the hand-off
    • H04W36/0083—Determination of parameters used for hand-off, e.g. generation or modification of neighbour cell lists
    • H04W36/0085—Hand-off measurements
    • H04W36/0088—Scheduling hand-off measurements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/50—Allocation or scheduling criteria for wireless resources
    • H04W72/54—Allocation or scheduling criteria for wireless resources based on quality criteria
    • H04W72/542—Allocation or scheduling criteria for wireless resources based on quality criteria using measured or perceived quality
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W92/00—Interfaces specially adapted for wireless communication networks
    • H04W92/04—Interfaces between hierarchically different network devices
    • H04W92/12—Interfaces between hierarchically different network devices between access points and access point controllers

Definitions

  • the present invention relates to a call link quality statistical information reporting technology, and in particular to a method and system for reporting a call link quality statistical information. Background technique
  • the traditional exchange refers to the exchange between the primary and the called base stations through the core network; in this mode, the base station controller allocates and activates the real-time transport protocol (RTP) required by the user plane through the control plane.
  • RTP real-time transport protocol
  • LTCP Real Time Transport Protocol
  • RTCP Real Time Transport Control Protocol
  • IP Internet Protocol
  • one RTCP link corresponds to one RTP link, and transmits the quality statistics of the corresponding RTP link to the base station controller.
  • the RTCP link and the RTP link are the same as the IP address but different ports.
  • the quality statistics of the RTP link are sent to the RTCP link at regular intervals, and the RTCP link is reported to the base station controller. Based on the received link quality statistics, the base station controller knows the user's surface link and processes it in time, and reports the RTP link status.
  • the base station periodically reports the measurement result message to the base station controller, and the message mainly includes the quality and electrical equality of the wireless link.
  • FIG. 2 it is a message flow diagram of an existing call entering a local exchange mode from a traditional exchange mode; the following steps are included: S201: In the traditional switching mode, the RTP link is established and the call is in progress.
  • S202 The base station controller determines to enter the local exchange mode.
  • the base station controller separately sends a new channel setup message to the base station 1 and the base station 2, and notifies the base station to establish a new RTP link.
  • the new channel setup message sent to the base station 1 carries the local exchange identifier, the IP address and the port number of the base station 2; the new channel setup message sent to the base station 2 carries the local exchange identifier, the IP address and the port number of the base station 1;
  • the local exchange identifier indicates that the purpose of establishing the new channel is to perform local exchange;
  • the base station 1 and the base station 2 learn the information about establishing a new RTP link from the new channel setup message, perform the RTP link establishment, and record the exchange mode identifier as the local exchange;
  • S205 The base station 1 and the base station 2 report an RTP establishment success message to the base station controller.
  • the base station controller sends a message for releasing the old channel (that is, the originally used RTP link) to the base station 1 and the base station 2 after ensuring the interworking between the two RTP links.
  • FIG. 3 it is a message flow diagram of an existing call entering the traditional exchange mode from the local exchange mode; the following steps are included:
  • S302 The base station controller determines to enter the traditional switching mode.
  • the base station controller separately sends a new channel setup message to the base station 1 and the base station 2; and notifies the base station to establish a new RTP link;
  • the new channel setup message sent to the base station 1 carries the traditional switch identifier, the IP address and port number of the base station controller, and the new channel setup message sent to the base station 2 carries the traditional switch.
  • the identifier, the IP address and the port number of the base station controller; the traditional exchange identifier indicates that the purpose of establishing the new channel is to perform a traditional exchange;
  • S304 The base station 1 and the base station 2 learn to establish a new RTP link information from the new channel setup message, perform RTP link establishment, and record the exchange mode identifier as a traditional exchange;
  • S305 The base station 1 and the base station 2 report an RTP establishment success message to the base station controller.
  • the base station controller sends a message for releasing the old channel (that is, the originally used RTP link) to the base station 1 and the base station 2 after ensuring the interworking between the two RTP links.
  • Local exchange refers to the mode in which the calling and called users do not pass the core network but directly between the calling and called base stations under certain conditions; the advantage of this is that the number of users is reduced.
  • the occupation of the core network resources shortens the transmission delay of the voice, saves the bandwidth used by the Abis port, and provides convenience for operators and users.
  • the biggest feature of local switching is: During local switching, the control plane flow during the call is unchanged, but the user plane data is no longer transmitted directly through the core network and between the base stations.
  • An object of the present invention is to provide a method and a system for reporting the quality of a call link, and a base station and a base station controller, which are used to solve the problem of the quality of the call link in the local exchange mode in the prior art.
  • the problem that the base station controller cannot be transmitted to the base station controller is convenient for the base station controller to know the quality of the call link in time when the local controller exchanges, and provide a basis for accurate decision.
  • the present invention provides a method for reporting the quality of a call link.
  • the base station and the base station controller pre-agreed a message for transmitting the quality information of the call link.
  • the detected call link quality statistics information of the current call is reported to the base station controller by using the foregoing pre-agreed message; the base station controller parses the received pre-agreed message, and reports the parsed call of the current call. Link quality statistics.
  • the method further includes: the base station encoding the detected call link quality statistics information of the current call into the pre-agreed message.
  • the pre-agreed message is an extended measurement result message.
  • the extended information unit of the extended measurement result message is a link measurement information unit.
  • the link measurement information unit includes a link quality field, a delay value field, and a QoS (Quality of Service) field.
  • a link quality field e.g., a link quality field
  • a delay value field e.g., a delay value field
  • QoS Quality of Service
  • the present invention further provides a system for reporting call quality statistics, including a base station and a base station controller.
  • the base station is configured to encode the detected call link quality statistics into a pre-agreed message, and send the message to the base station controller.
  • the base station controller is configured to parse the received pre-agreed message, and report the call link quality statistics obtained by the parsing.
  • the foregoing base station includes a link detection module, a switch module, and an encoding module, where
  • the link detection module is configured to detect the call link quality statistics information;
  • the switch module is configured to send the call link quality statistics information detected by the link detection module to the coding module;
  • the foregoing coding module is configured to encode the received call link quality statistics information into the foregoing pre-agreed message, and send the pre-agreed message to the base station controller.
  • the foregoing base station controller includes a decoding module and a reporting module, where
  • the decoding module is configured to parse the received pre-agreed message, and send the parsed link quality statistics information to the reporting module;
  • the reporting module is configured to report the received call link quality statistics.
  • the foregoing base station is further configured to: send the detected call link quality statistics information to the base station controller, where the switch module is further configured to: pass the call link quality statistics information detected by the link detection module The RTCP link is sent to the reporting module.
  • the present invention also provides a base station for encoding the detected call link quality statistics into a pre-agreed message and transmitting the pre-agreed message.
  • the present invention further provides a base station controller for parsing the received pre-determined message and reporting the parsed call quality statistics.
  • the invention expands the existing measurement result message in the 0858 protocol of the Global System for Mobile Communications (GSM), and realizes reporting the quality information of the call link to the base station controller in the local exchange mode, so that The base station controller and the staff can know the quality of the user plane link in the local switching mode in time, so that the decision can be made in time, and the continuity of the call link quality observation between the base station controller and the staff in the two exchange modes is ensured.
  • GSM Global System for Mobile Communications
  • FIG. 1 is a schematic diagram of a process flow of a call link quality statistical information in a conventional traditional switching mode
  • 2 is a message flow diagram of an existing call transitioning from a traditional switching mode to a local switching mode
  • Figure 3 is a message flow diagram of an existing call transitioning from a local exchange mode to a traditional exchange mode
  • Figure 4 is a schematic diagram of the flow of the call link quality statistics in the existing local exchange mode
  • Figure 5 is a flow chart of a first embodiment of the method of the present invention.
  • FIG. 6 is a schematic diagram of a content of a first embodiment of a link measurement information unit in an extended measurement result message according to the present invention
  • Figure 7 is a block diagram showing the first embodiment of the system of the present invention.
  • Figure 8 is a block diagram showing the second embodiment of the system of the present invention.
  • FIG. 9 is a schematic flow chart of the trend of the call link quality statistics after the system shown in FIG. 8 is switched from the traditional switching mode to the local switching mode;
  • Figure 10 is a flow chart showing the trend of the call link quality statistics after the system shown in Figure 8 is switched from the local switching mode to the traditional switching mode.
  • the base station sends the call link quality statistics information to the base station controller through the RTCP link in the traditional switching mode, but in the local exchange mode, the call link quality statistics cannot be sent to the base station controller, which makes The base station controller cannot consistently understand the link quality.
  • the invention is to solve how the base station sends the call link quality statistics information to the base station controller after entering the local exchange mode. As shown in FIG. 1 and FIG. 4, The traditional switching mode, or the local switching mode, the uplink and downlink service link quality statistics (quality and level, etc.) are reported on the control plane through the core network timing measurement message (message defined in the GSM0858 protocol).
  • the present invention can be used to transmit the call link quality statistics information in the local exchange mode to the base station controller by using the above measurement result message, but the existing information units of the above measurement result message are all used. Therefore, the foregoing measurement result message needs to be extended first, and then the base station and the base station controller are used to transmit the call link quality statistics information by using the extended measurement result message.
  • the method of the present invention is: pre-arranging a message for transmitting call link quality statistics information between the base station and the base station controller; when the base station detects that the current call enters the local exchange mode, the detected call link of the current call is detected.
  • the road quality statistics information is reported to the base station controller by using the foregoing pre-agreed message; the base station controller parses the received pre-agreed message, and reports the parsed call link quality statistics information of the current call.
  • the method further includes: the foregoing base station encoding the detected call link quality statistics information of the current call into the pre-agreed message; the pre-agreed message is an extended measurement result message; and the extended measurement result message is extended.
  • the information unit is a link measurement information unit; the link measurement information unit includes a link quality field, a delay value field, and a QoS field.
  • the system of the present invention is configured to implement the foregoing method, including a base station and a base station controller, where the base station is configured to encode the detected call link quality statistical information into a pre-agreed message, and send the message to the base station controller; And the base station controller is configured to parse the received pre-agreed message, and parse the obtained call link quality statistics.
  • the foregoing base station includes a link detection module, a switch module, and an encoding module, where the link detection module is configured to detect the quality information of the call link; and the switch module is configured to detect the foregoing link detection module.
  • the call link quality statistics information is sent to the foregoing coding module.
  • the coding module is configured to encode the received call link quality statistics information into a pre-agreed message, and send the pre-agreed message to the base station controller. .
  • the base station controller includes a decoding module and a reporting module, where the decoding module is used to solve The received pre-agreed message is sent, and the parsed link quality statistics information is sent to the reporting module, and the reporting module is configured to report the received call link quality statistics.
  • the foregoing base station is further configured to send the detected call link quality statistics information to the base station controller, where the switch module is further configured to: pass the call link quality statistics information detected by the link detection module to the RTCP link. Send to the above reporting module.
  • the base station of the present invention is configured to encode the detected call link quality statistical information into a pre-agreed message, and send the pre-agreed message.
  • the base station controller of the present invention is configured to parse the received pre-agreed message and report the parsed link quality statistics obtained by the parsing.
  • FIG. 5 it is a flowchart of the first embodiment of the method according to the present invention. and the following steps are included:
  • S501 A pre-agreed extended measurement result message between the base station and the base station controller is used to transmit call link quality statistics information.
  • the extended information unit of the extended measurement result message is a link measurement information unit, which is specifically used for carrying call link quality statistics.
  • S502 The base station detects that the current call enters the local exchange mode.
  • the condition that the current call enters the local exchange mode is: the exchange mode identifier is local exchange and the handover completion identifier is complete, that is, when the recorded exchange mode identifier is local exchange and the exchange completion identifier is completed, the base station considers that the current call enters the local exchange mode.
  • S503 Encoding the detected call link quality statistics information of the current call to the extended measurement result message.
  • S506 The current call link quality statistics obtained by parsing the above.
  • the base station detects that the current call enters the traditional switching mode, the base station sends the monitored link quality statistics of the current call to the base station controller through the established RTCP link, as shown in FIG. .
  • FIG. 6 it is a schematic diagram of a content of a first embodiment of a link measurement information unit in an extended measurement result message according to the present invention.
  • the Element identifier field indicates the identity of this information element
  • the Length field indicates the length of this information element
  • the Link Quality field indicates the link quality
  • the Time Delay field indicates the delay value
  • the Link QoS field indicates the link QoS value
  • Supplementary Measurement information indicates supplementary information.
  • the base station encodes the detected call link quality statistics into the link measurement information unit of the extended measurement result message and brings it to the base station controller.
  • FIG. 7 is a schematic block diagram of a first embodiment of the system according to the present invention. comprising a base station, a base station controller,
  • a base station configured to encode the detected call link quality statistics into a pre-agreed message, and send the message to the base station controller through the Abis port;
  • the base station controller is configured to parse the received pre-agreed message, and report the obtained call link quality statistics.
  • the base station includes a base station and a base station controller.
  • the base station includes a link detection module 100, a switch module 200, and an encoding module 300.
  • the base station controller includes a decoding module. 400, reporting module 500;
  • the link detection module 100 is configured to detect the call link quality statistics information and send the foregoing call module 200 to the switch module 200;
  • the switch module 200 is configured to: when the exchange mode is identified as local exchange, the call link quality is The quantity statistics information is sent to the foregoing encoding module 300; or is used to send the call link quality statistics information to the reporting module 500 through the RTCP link when the switching mode is identified as the traditional switching; the encoding module 300 is configured to receive the The above call link quality statistics information is encoded into the extended measurement result message, and the extended measurement result message is sent to the decoding module 400 of the base station controller;
  • the decoding module 400 is configured to parse the received extended measurement result message, and send the parsed link quality statistics information to the reporting module 500;
  • the reporting module 500 is configured to report the received call link quality statistics.
  • FIG. 9 it is a flow chart of the trend of the call link quality statistics after the system shown in FIG. 8 is switched from the traditional switching mode to the local switching mode.
  • the call link quality statistics pass the extended measurement result.
  • the message is reported to the base station controller.
  • FIG. 10 it is a schematic flowchart of the trend of the call link quality statistics after the system shown in FIG. 8 is switched from the local switching mode to the traditional switching mode.
  • the call link quality statistics are reported through the RTCP link. Give the base station controller.
  • the present invention can be applied to mobile communication systems such as Handheld Phone System (PHS), Code Division Multiple Access (CDMA), and third generation (3G, 3rd-generation).
  • PHS Handheld Phone System
  • CDMA Code Division Multiple Access
  • 3G, 3rd-generation third generation

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Description

通话链路质量统计信息上报的方法及系统 技术领域
本发明涉及通话链路质量统计信息上报技术， 特别涉及到一种通话链 路质量统计信息上报的方法及系统。 背景技术
目前， 很多通信系统不仅具有传统交换功能， 还具有本地交换功能， 并且在满足一定条件下， 两个模式之间可以进行转换。
传统交换， 如图 1 所示， 是指主被叫基站间的交换要经过核心网才能 进行； 此种模式下， 基站控制器通过控制面分配和激活用户面所需的实时 传输协议（RTP, Real Time Transport Protocol )链路进行通话， 期间， RTP 链路质量统计信息通过与其同互联网协议（ IP , Internet Protocol )地址不同 端口的实时传输控制协议 RTCP( RTCP, Realtime Transport Control Protocol ) 链路发送给基站控制器， 即传统交换模式下， 打通电话时， 控制面和用户 面语音都流经基站控制器和核心网。 RTCP链路和 RTP链路——对应， 一 个 RTCP链路对应着一条 RTP链路， 并传送对应的 RTP链路的质量统计信 息给基站控制器。 RTCP链路和 RTP链路同 IP地址但是不同端口。 RTP链 路的质量统计信息每隔一定时间会被告知给 RTCP链路， RTCP链路上报给 基站控制器。 基站控制器根据接收到的链路质量统计信息， 了解用户面链 路情况并及时进行处理， 同时上报 RTP链路情况。
此时， 在控制面上， 基站周期性上报测量结果消息给基站控制器， 所 述消息主要包含无线链路的质量、 电平等情况。
如图 2所示， 是现有的通话从传统交换模式进入本地交换模式的消息 流程图； 包括如下步骤： S201 : 传统交换模式下， RTP链路已建立， 通话进行中。
S202: 基站控制器决定进入本地交换模式；
S203: 基站控制器分别下发新通道建立消息给基站 1和基站 2,通知基 站建立新的 RTP链路；
其中， 发送给基站 1 的新通道建立消息中携带本地交换标识、 基站 2 的 IP地址和端口号；发送给基站 2的新通道建立消息中携带本地交换标识、 基站 1的 IP地址和端口号； 所述本地交换标识表明本次新通道建立目的是 进行本地交换；
S204: 基站 1、 基站 2从新通道建立消息中获知建立新的 RTP链路的 信息后进行 RTP建链， 并记录交换模式标识为本地交换；
S205: 基站 1、 基站 2上报 RTP建立成功消息给基站控制器；
S206: 基站控制器在确保双方 RTP链路互通后， 下发释放旧通道（即 原来使用的 RTP链路 ) 消息给基站 1、 基站 2;
S207: 基站 1、 基站 2收到释放旧通道消息后， 进行释放， 释放完毕上 报释放完成消息给基站控制器；
S208： 基站 1、 基站 2记录交换完成标识为完成；
S209: 当前通话在本地交换模式下进行。
如图 3 所示， 是现有的通话从本地交换模式进入传统交换模式的消息 流程图； 包括如下步骤：
S301 : 本地交换模式下， RTP链路已建立， 通话进行中；
S302: 基站控制器决定进入传统交换模式；
S303: 基站控制器分别下发新通道建立消息给基站 1、 基站 2; 通知基 站建立新的 RTP链路；
其中， 发送给基站 1 的新通道建立消息中携带传统交换标识、 基站控 制器的 IP地址和端口号； 发送给基站 2的新通道建立消息中携带传统交换 标识、 基站控制器的 IP地址和端口号； 所述传统交换标识表明本次新通道 建立目的是进行传统交换；
S304: 基站 1、 基站 2从新通道建立消息中获知建立新的 RTP链路的 信息后进行 RTP建链， 并记录交换模式标识为传统交换；
S305: 基站 1、 基站 2上报 RTP建立成功消息给基站控制器；
S306: 基站控制器在确保双方 RTP链路互通后， 下发释放旧通道（即 原来使用的 RTP链路 ) 消息给基站 1、 基站 2;
S307: 基站 1、 基站 2收到释放旧通道消息后， 进行释放， 释放完毕上 报释放完成消息给基站控制器；
S308: 基站 1、 基站 2记录交换完成标识为完成；
S309: 当前通话在传统交换模式下进行。
本地交换， 如图 4所示， 是指主被叫用户在符合一定条件下， 其通话 不再经过核心网， 而直接在主被叫基站之间进行的模式； 这样做的好处是， 减少了对核心网资源的占用， 缩短了语音的传输时延， 节约了 Abis口等使 用带宽， 为运营商和用户都提供了方便。 本地交换最大的特点是： 本地交 换时， 通话中的控制面流程不变， 但是用户面数据不再经由核心网传送而 直接在基站间进行。 由图 2可知， 此种模式下， 语音所在的 RTP链路已经 在基站之间重新建立， 原来的基站和基站控制器之间 RTP链路已经拆除， 因此， 经 RTCP链路传送的链路质量统计信息相应地就发送到了对方基站， 一方面， 对方基站根本不需要并且也没有办法处理接收到的信息； 令一方 面， 基站控制器需要却因为基站和基站控制器间的链路已经释放而无法收 到。 如何将在本地交换模式下的通话链路质量统计信息发送给基站控制器， 以使得基站控制器及工作人员防止对用户面情况的失控， 成为一个重要问 题。 发明内容
本发明的目的之一为提供一种通话链路质量统计信息上报的方法及系 统， 还提供一种基站及基站控制器， 用于解决现有技术中通话链路质量统 计信息在本地交换模式下无法传输给基站控制器的问题， 本发明便于基站 控制器在本地交换时及时了解通话链路质量， 为准确决策提供依据。
本发明提出了一种通话链路质量统计信息上报的方法， 基站和基站控 制器之间预先约定用于传送通话链路质量统计信息的消息； 当基站监测到 当前通话进入本地交换模式时， 将检测到的上述当前通话的通话链路质量 统计信息通过上述预先约定的消息上报给上述基站控制器； 上述基站控制 器解析接收到的上述预先约定的消息， 并上报解析得到的上述当前通话的 通话链路质量统计信息。
优选地， 上述方法进一步包括： 上述基站将检测到的上述当前通话的 通话链路质量统计信息编码到上述预先约定的消息中。
优选地， 上述预先约定的消息为扩展的测量结果消息。
优选地， 上述扩展的测量结果消息的扩展信息单元为链路测量信息单 元。
优选地， 上述链路测量信息单元包括链路质量字段、 时延值字段、 链 路服务质量（QoS, Quality of Service ) 字段。
本发明进一步提出了一种通话链路质量统计信息上报的系统， 包括基 站和基站控制器，
上述基站， 用于将检测到的通话链路质量统计信息编码成预先约定的 消息， 并发送给上述基站控制器；
上述基站控制器， 用于解析接收到的上述预先约定的消息， 并上报解 析得到的上述通话链路质量统计信息。
优选地， 上述基站包括链路检测模块、 开关模块、 编码模块， 其中， 上述链路检测模块， 用于检测上述通话链路质量统计信息； 上述开关模块， 用于将上述链路检测模块检测到的上述通话链路质量 统计信息发送给上述编码模块；
上述编码模块， 用于将接收到的上述通话链路质量统计信息编码到上 述预先约定的消息中， 并将上述预先约定的消息发送给上述基站控制器。
优选地， 上述基站控制器包括解码模块和上报模块， 其中，
上述解码模块， 用于解析接收到的上述预先约定的消息， 并将解析得 到的上述通话链路质量统计信息发送给上述上报模块；
上述上报模块， 用于上报接收到的上述通话链路质量统计信息。
优选地， 上述基站还用于将检测到的通话链路质量统计信息发送给上 述基站控制器； 其中， 上述开关模块还用于将上述链路检测模块检测到的 上述通话链路质量统计信息通过 RTCP链路发送给上述上报模块。
本发明还提出了一种基站， 用于将检测到的通话链路质量统计信息编 码成预先约定的消息， 并发送上述预先约定的消息。
本发明更进一步地提出了一种基站控制器， 用于解析接收到的预先约 定的消息， 并上报解析得到的通话链路质量统计信息。
本发明通过对全球移动通讯系统 （GSM , Global System for Mobile Communications ) 0858 协议中现有的测量结果消息进行扩展， 实现了在本 地交换模式下， 上报通话链路质量统计信息给基站控制器， 使得基站控制 器及工作人员可以及时了解本地交换模式下用户面链路质量情况， 从而可 以及时进行决策， 保证了基站控制器和工作人员在两种交换模式下对通话 链路质量观察的连贯性。 附图说明
图 1 是现有的传统交换模式下通话链路质量统计信息走向流程示意 图； 图 2 是现有的通话从传统交换模式转换到本地交换模式的消息流程 图；
图 3 是现有的通话从本地交换模式转换到传统交换模式的消息流程 图；
图 4 是现有的本地交换模式下通话链路质量统计信息走向流程示意 图；
图 5 是本发明所述方法第一实施例流程图；
图 6 是本发明扩展的测量结果消息中链路测量信息单元第一实施例内 容示意图；
图 7 是本发明所述系统第一实施例原理框图；
图 8 是本发明所述系统第二实施例原理框图；
图 9 是图 8所示系统从传统交换模式转换到本地交换模式后的通话链 路质量统计信息的走向流程示意图；
图 10 是图 8所示系统从本地交换模式转换到传统交换模式后的通话链 路质量统计信息的走向流程示意图。
本发明目的的实现、 功能特点及优点将结合实施例， 参照附图做进一 步说明。 具体实施方式
现有技术中， 基站在传统交换模式下， 通过 RTCP链路将通话链路质 量统计信息发送给基站控制器， 但在本地交换模式， 通话链路质量统计信 息无法发送给基站控制器 , 这使得基站控制器不能连贯的了解链路质量； 本发明要解决的即是在进入本地交换模式后， 基站如何将通话链路质量统 计信息发送给基站控制器， 由图 1及图 4可知， 无论是传统交换模式， 还 是本地交换模式， 上下行业务链路质量统计信息 （质量和电平等）在控制 面上都是通过核心网定时上报测量结果消息（ GSM0858协议中定义的消息） 来传送给基站控制器的， 由此， 本发明可利用上述测量结果消息将本地交 换模式下的通话链路质量统计信息带给基站控制器， 但上述测量结果消息 现有的信息单元已全部使用， 故首先需要对上述测量结果消息进行扩展， 然后约定基站与基站控制器之间利用扩展的测量结果消息连传递通话链路 质量统计信息。
本发明所述方法为： 基站和基站控制器之间预先约定用于传送通话链 路质量统计信息的消息； 当基站监测到当前通话进入本地交换模式时， 将 检测到的上述当前通话的通话链路质量统计信息通过上述预先约定的消息 上报给上述基站控制器； 上述基站控制器解析接收到的上述预先约定的消 息， 并上报解析得到的上述当前通话的通话链路质量统计信息。
上述方法进一步包括： 上述基站将检测到的上述当前通话的通话链路 质量统计信息编码到上述预先约定的消息中； 上述预先约定的消息为扩展 的测量结果消息； 上述扩展的测量结果消息的扩展信息单元为链路测量信 息单元； 上述链路测量信息单元包括链路质量字段、 时延值字段、 QoS 字 段。
本发明所述系统， 用于实现上述方法， 包括基站和基站控制器， 上述 基站， 用于将检测到的通话链路质量统计信息编码成预先约定的消息， 并 发送给上述基站控制器； 上述基站控制器， 用于解析接收到的上述预先约 定的消息， 并上 ^艮解析得到的上述通话链路质量统计信息。
上述基站包括链路检测模块、 开关模块、 编码模块， 其中， 上述链路 检测模块， 用于检测所述通话链路质量统计信息； 上述开关模块， 用于将 上述链路检测模块检测到的上述通话链路质量统计信息发送给上述编码模 块； 上述编码模块， 用于将接收到的上述通话链路质量统计信息编码到预 先约定的消息中， 并将上述预先约定的消息发送给上述基站控制器。
上述基站控制器包括解码模块和上报模块， 其中， 解码模块， 用于解 析接收到的上述预先约定的消息， 并将解析得到的上述通话链路质量统计 信息发送给上述上报模块； 上报模块， 用于上报接收到的所述通话链路质 量统计信息。
上述基站还用于将检测到的通话链路质量统计信息发送给上述基站控 制器； 其中， 上述开关模块还用于将上述链路检测模块检测到的上述通话 链路质量统计信息通过 RTCP链路发送给上述上报模块。
本发明所述基站， 用于将检测到的通话链路质量统计信息编码成预先 约定的消息， 并发送所述预先约定的消息。
本发明所述基站控制器， 用于解析接收到的预先约定的消息， 并上报 解析得到的通话链路质量统计信息。
以下是本发明的优选实施例。
如图 5所示， 是本发明所述方法第一实施例流程图； 包括如下步骤：
S501 : 基站和基站控制器之间预先约定扩展的测量结果消息用于传送 通话链路质量统计信息；
扩展的测量结果消息的扩展信息单元为链路测量信息单元， 专门用于 承载通话链路质量统计信息。
S502: 基站监测到当前通话进入本地交换模式；
当前通话进入本地交换模式的条件为： 交换模式标识为本地交换且交 换完成标识为完成， 即当记录的交换模式标识为本地交换且交换完成标识 为完成时， 基站认为当前通话进入本地交换模式。
S503： 将检测到的上述当前通话的通话链路质量统计信息编码到上述 扩展的测量结果消息中；
S504: 将上述扩展的测量结果消息上报给基站控制器；
S505: 上述基站控制器解析收到的上述扩展的测量结果消息；
S506: 上 ^艮解析得到的上述当前通话链路质量统计信息。 在本地交换模式下， 若基站监测到当前通话进入传统交换模式， 则基 站将监测到的当前通话的链路质量统计信息通过已建立的 RTCP链路发送 给基站控制器， 即如图 1所示。
如图 6所示， 是本发明扩展的测量结果消息中链路测量信息单元第一 实施例内容示意图； 其中：
Element identifier字段表示本信息单元的标识；
Length字段表示本信息单元长度；
Link Quality 字段表示链路质量；
Time Delay字段表示时延值；
Link QoS字段表示链路 QoS值；
Supplementary Measurement information表示补充信息。
在本地交换模式下， 基站将检测到的通话链路质量统计信息编码到扩 展的测量结果消息的链路测量信息单元， 带给基站控制器。
如图 7所示， 是本发明所述系统第一实施例原理框图； 包括基站、 基 站控制器，
基站， 用于将检测到的通话链路质量统计信息编码成预先约定的消息， 通过 Abis口发送给上述基站控制器；
基站控制器， 用于解析接收到的上述预先约定的消息， 并上报解析得 到的上述通话链路质量统计信息。
如图 8所示， 是本发明所述系统第二实施例原理框图； 包括基站、 基 站控制器，其中，基站包括链路检测模块 100、开关模块 200、编码模块 300; 基站控制器包括解码模块 400, 上报模块 500;
链路检测模块 100,用于检测上述通话链路质量统计信息并发送给上述 开关模块 200;
开关模块 200, 用于在交换模式标识为本地交换时， 将上述通话链路质 量统计信息发送给上述编码模块 300;或者用于在交换模式标识为传统交换 时，将上述通话链路质量统计信息通过 RTCP链路发送给上述上报模块 500; 编码模块 300,用于将接收到的上述通话链路质量统计信息编码到扩展 的测量结果消息中， 并将上述扩展的测量结果消息发送给上述基站控制器 的解码模块 400;
解码模块 400, 用于解析接收到的上述扩展的测量结果消息， 并将解析 得到的上述通话链路质量统计信息发送给上述上报模块 500;
上报模块 500, 用于上报接收到的上述通话链路质量统计信息。
如图 9所示， 是图 8所示系统从传统交换模式转换到本地交换模式后 的通话链路质量统计信息的走向流程示意图； 本实施例中， 通话链路质量 统计信息通过扩展的测量结果消息上报给基站控制器。
如图 10所示， 是图 8所示系统从本地交换模式转换到传统交换模式后 的通话链路质量统计信息的走向流程示意图； 本实施例中， 通话链路质量 统计信息通过 RTCP链路上报给基站控制器。
本发明可应用在手持电话系统（ PHS , Personal Handy Phone System )、 码分多址 （ CDMA , Code Division Multiple Access )、 第三代 （ 3G , 3rd-generation, )等移动通信系统中。
以上所述仅为本发明的优选实施例， 并非因此限制本发明的专利范围， 凡是利用本发明说明书及附图内容所作的等效结构或等效流程变换， 或直 接或间接运用在其他相关的技术领域， 均同理包括在本发明的专利保护范 围内。

Claims

权利要求书
1、 一种通话链路质量统计信息上报的方法， 其特征在于， 基站和基站 控制器之间预先约定用于传输通话链路质量统计信息的消息； 所述方法包 括： 所述基站监测到当前通话进入本地交换模式时， 将检测到的所述当前 通话的通话链路质量统计信息通过所述预先约定的消息上报给所述基站控 制器； 所述基站控制器解析接收到的所述预先约定的消息， 并上报解析得 到的所述当前通话的通话链路质量统计信息。
2、 根据权利要求 1所述的方法， 其特征在于， 所述方法进一步包括： 所述基站将检测到的所述当前通话的通话链路质量统计信息编码到所述预 先约定的消息中。
3、 根据权利要求 1或 2所述的方法， 其特征在于， 所述预先约定的消 息为扩展的测量结果消息。
4、 根据权利要求 3所述的方法， 其特征在于， 所述扩展的测量结果消 息的扩展信息单元为链路测量信息单元。
5、 根据权利要求 4所述的方法， 其特征在于， 所述链路测量信息单元 包括链路质量字段、 时延值字段、 链路服务质量字段。
6、 一种通话链路质量统计信息上报的系统， 包括基站和基站控制器， 其特征在于，
所述基站， 用于将检测到的通话链路质量统计信息编码成预先约定的 消息， 并发送给所述基站控制器；
所述基站控制器， 用于解析接收到的所述预先约定的消息， 并上报解 析得到的所述通话链路质量统计信息。
7、 根据权利要求 6所述的系统， 其特征在于， 所述基站包括链路检测 模块、 开关模块、 编码模块， 其中，
所述链路检测模块， 用于检测所述通话链路质量统计信息； 所述开关模块， 用于将所述链路检测模块检测到的所述通话链路质量 统计信息发送给所述编码模块；
所述编码模块， 用于将接收到的所述通话链路质量统计信息编码到所 述预先约定的消息中， 并将所述预先约定的消息发送给所述基站控制器。
8、 根据权利要求 6或 7所述的系统， 其特征在于， 所述基站控制器包 括解码模块和上报模块， 其中，
所述解码模块， 用于解析接收到的所述预先约定的消息， 并将解析得 到的所述通话链路质量统计信息发送给所述上报模块；
所述上报模块， 用于上报接收到的所述通话链路质量统计信息。
9、 根据权利要求 8所述的系统， 其特征在于，
所述基站还用于将检测到的通话链路质量统计信息发送给所述基站控 制器； 其中， 所述开关模块还用于将所述链路检测模块检测到的所述通话 链路质量统计信息通过实时传输控制协议链路发送给所述上报模块。
10、 一种基站， 其特征在于， 所述基站用于将检测到的通话链路质量 统计信息编码成预先约定的消息， 并发送所述预先约定的消息。
11、 一种基站控制器， 其特征在于， 所述基站控制器用于解析接收到 的预先约定的消息， 并上报解析得到的通话链路质量统计信息。
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CN102075905A (zh) 2011-05-25
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