WO2012037808A1 - 一种小区听者检测的方法及基站收发机 - Google Patents

一种小区听者检测的方法及基站收发机 Download PDF

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Publication number
WO2012037808A1
WO2012037808A1 PCT/CN2011/072619 CN2011072619W WO2012037808A1 WO 2012037808 A1 WO2012037808 A1 WO 2012037808A1 CN 2011072619 W CN2011072619 W CN 2011072619W WO 2012037808 A1 WO2012037808 A1 WO 2012037808A1
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Prior art keywords
listener
message
uplink
bts
information element
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PCT/CN2011/072619
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English (en)
French (fr)
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张思高
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中兴通讯股份有限公司
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Publication of WO2012037808A1 publication Critical patent/WO2012037808A1/zh

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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W8/00Network data management
    • H04W8/005Discovery of network devices, e.g. terminals
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W28/00Network traffic management; Network resource management
    • H04W28/16Central resource management; Negotiation of resources or communication parameters, e.g. negotiating bandwidth or QoS [Quality of Service]
    • H04W28/18Negotiating wireless communication parameters
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W88/00Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
    • H04W88/08Access point devices

Definitions

  • the present invention relates to the field of communications technologies, and in particular, to a method for detecting a cell listener and a base transceiver station. Background technique
  • the cell listener detection function is used to detect whether there is a listener (Listener) in the current cell of the VGCS (Voice Group Call Service) / VBS (Voice Broadcast Service), if there is no listener, according to the situation
  • the radio resources occupied by the VGCS/VBS service of the cell are released, so as to save radio channel resources and improve channel resource utilization.
  • the implementation method of the listener detection function is not clearly defined, and the existing implementation scheme is generally implemented by the BSC (Base Station Controller).
  • BSC Base Station Controller
  • the detection cycle periodically performs the following steps, as shown in Figure 1, including:
  • Step 101 An Uplink Free message with an indication of an uplink request is sent by the BSC to the BTS (Base Transceiver Station) in the form of a UI (Unnumbered Information) frame, and the BTS is transparent. Send the message to the MS (Terminal, Mobile Station).
  • BTS Base Transceiver Station
  • UI Unnumbered Information
  • Step 102 After receiving the message, the listener in the MS sends an Uplink Access message to the BTS for answering the uplink access request, and starts a waiting timer. At the time of actual execution, at least two Uplink Access messages will be received within 120ms.
  • Step 103 After receiving the Uplink Access message, the BTS reports the Listener Detection (Broadcaster Detection) message to the BSC, and the listener detects the end; if the BSC is not waiting for the timer After receiving the Listener Detection message, the BSC will restart the waiting timer, and after restarting the Listener response maximum number of failures, if the listener detection message is still not received, it is considered that there is no VGCS or VBS listener in the BTS cell, and the BSC will wirelessly The channel is released, the MSC (Mobile Switching Center) is notified and the notification message is updated.
  • the Listener Detection Broadcaster Detection
  • the BSC sends an Uplink Free message indicating the uplink request, and the listener receives the Uplink Free message indicating the uplink request, and reports at least two Uplink Access messages within 120 ms, assuming that they are in the same BSC. There are 500 listeners in the group receiving mode of the group call. Then, when the listener detection period starts, the BSC receives about 1000 Listener Detection messages, which has a great influence on the bandwidth of the Abis port. Summary of the invention
  • the present invention provides a method for detecting a cell listener and a base transceiver station.
  • a method for detecting a cell listener comprising: receiving, by a base transceiver station, a BTS, an uplink access message sent by a listener on a group call or a multicast channel; and the BTS ending the present according to an uplink access message sent by the received listener The listener detection process during the secondary detection period.
  • the BTS further includes: the BTS receives the configuration parameters required for the listener detection sent by the base station controller BSC, and the configuration parameters include the detection period;
  • the method further includes: periodically performing, by the BTS, starting to send an uplink idle message to the terminal according to the detection period;
  • the BTS receives an uplink access message sent by a listener on a group call or a multicast channel.
  • the BTS receives an uplink access message sent by the listener if there is a listener on the group call or multicast channel within one detection period.
  • the BTS receives configuration parameters required for the listener detection sent by the BSC, and the configuration parameters further include a waiting period and a maximum number of failures of the listener response P;
  • the method further includes: when the BTS sends an uplink idle message to the terminal, starting a timer according to the waiting period timing;
  • the sending, by the BTS, an uplink idle message to the terminal is: the BTS periodically sends an uplink idle message to the terminal according to a waiting period in a detection period;
  • the receiving, by the BTS, the uplink access message sent by the listener on the group call or the multicast channel is: in the Nth waiting period in the detection period, the BTS receives the uplink sent by the listener on the group call or the multicast channel.
  • Link access message, N is less than or equal to? .
  • the method further includes: in the first P waiting periods in the detection period, the BTS does not receive an uplink access message sent by the listener on the group call or the multicast channel, and the BTS sends the current group call or group to the BSC. There is no listener's listener indication message on the broadcast channel.
  • a method for detecting a listener of a cell comprising: receiving, by a BTS, configuration parameters required for a listener to be sent by a BSC, the configuration parameter includes a detection period; the BTS receives an uplink idle command sent by the BSC, and the uplink idle command includes an indication An uplink idle message of the uplink request; the BTS starts a timer according to the detection period according to the uplink idle command; the BTS periodically performs, and starts to send an uplink idle message to the terminal according to the detection period; If there is a listener on the group call or multicast channel, the BTS receives an uplink access message sent by the listener to end the current listener detection process.
  • the BTS After receiving the uplink access message sent by the listener to end the current listener detection process, the BTS further includes: the BTS ending the current listener detection process according to the received uplink access message.
  • the BTS receives a configuration parameter required by the listener sent by the BSC, and the configuration parameter further includes Waiting period and listener response maximum failure number P;
  • the method further includes: when the BTS sends an uplink idle message to the terminal, starting a timer according to the waiting period timing;
  • the sending, by the BTS, an uplink idle message to the terminal is: the BTS periodically sends an uplink idle message to the terminal according to a waiting period in a detection period;
  • the receiving, by the BTS, the uplink access message sent by the listener on the group call or the multicast channel is: in the Nth waiting period in the detection period, the BTS receives the uplink sent by the listener on the group call or the multicast channel.
  • Link access message, N is less than or equal to? .
  • the method further includes: in the first P waiting periods in the detection period, the BTS does not receive an uplink access message sent by the listener on the group call or the multicast channel, and the BTS sends the current group call or group to the BSC. There is no listener's listener indication message on the broadcast channel.
  • a base station transceiver for detecting a cell listener comprising:
  • a first receiving module configured to receive an uplink access message sent by a listener on a group call or a multicast channel
  • a control module configured to end the listener detection process in the current detection period according to the received uplink access message sent by the listener.
  • the base transceiver station further includes:
  • a second receiving module configured to receive a configuration parameter required by the listener sent by the BSC, where the configuration parameter includes a detection period;
  • a third receiving module configured to receive an uplink idle command sent by the BSC, where the uplink idle command includes an uplink idle message for indicating an uplink request;
  • a first starting module configured to start a timer according to a detection period according to an uplink idle command
  • a first sending module configured to perform periodic execution, and start sending an uplink idle message to the terminal according to the detecting period;
  • the first receiving module is further configured to: if a listener exists on the group call or multicast channel in one detection period, receive an uplink access message sent by the listener.
  • the second receiving module is further configured to: receive a configuration parameter required by the listener sent by the BSC, where the configuration parameter further includes a waiting period and a maximum number of failures of the listener response P;
  • the base transceiver station further includes: a second startup module, configured to: when the uplink idle message is sent to the terminal, start a timer according to a waiting period;
  • the first sending module is further configured to: periodically send an uplink idle message to the terminal according to a waiting period in a detection period;
  • the first receiving module is further configured to: receive an uplink access message sent by a listener on the group call or the multicast channel in an Nth waiting period in the detection period, where N is less than or equal to P.
  • a base station transceiver for detecting a cell listener comprising:
  • a second receiving module configured to receive a configuration parameter required by the listener sent by the BSC, where the configuration parameter includes a detection period;
  • a third receiving module configured to receive an uplink idle command sent by the BSC, where the uplink idle command includes an uplink idle message for indicating an uplink request;
  • a first starting module configured to start a timer according to a detection period according to an uplink idle command
  • a first sending module configured to perform periodic execution, and start sending an uplink idle message to the terminal according to a detection period
  • the first receiving module is further configured to: if there is a listener on the group call or the multicast channel in one detection period, receive an uplink access message sent by the listener to end the current listener detection process.
  • the base transceiver station further includes: a control module, configured to end the current listener detection process according to the received uplink access message.
  • the second receiving module is further configured to: receive a configuration parameter required by the listener sent by the BSC, where the configuration parameter further includes a waiting period and a maximum number of failures P of the listener response;
  • the base transceiver station further includes: a second startup module, configured to start a timer according to a waiting period while sending an uplink idle message to the terminal;
  • the first sending module is further configured to: periodically send an uplink idle message to the terminal according to a waiting period in a detection period;
  • the first receiving module is further configured to: receive an uplink access message sent by a listener on the group call or the multicast channel in an Nth waiting period in the detection period, where N is less than or equal to P.
  • the base transceiver station further includes: a second sending module, configured to: in the first P waiting periods in the detecting period, the base station transceiver does not receive the uplink access sent by the listener on the group call or the multicast channel The message sends a listener indication message to the BSC indicating that there is no listener on the current group call or multicast channel.
  • the uplink idle command described above includes: a message discriminator information element, a message type information element, a channel number information element, a link identifier information element, and a layer 3 message information element, wherein the message discriminator information element has a length of 1,
  • the existence type is M, the format is V, the message type information element length is 1, the existence type is M, the format is V, the channel number information element length is 2, the existence type is M, the format is TV, and the link identifier information element length 2, the existence type is M, the format is V, the layer 3 message information element length is greater than or equal to 3, the existence type is M, the format is TLV; and/or,
  • the above-mentioned listener-instructed message includes: a message discriminator information element, a message type information element, a channel number information element, and an access delay information element, wherein the message discriminator information element has a length of 1, the existence type is M, and the format For V, the message type information element length is 1, the existence type is M, the format is V, the channel number information element length is 2, the existence type is M, the format is TV, the link identifier information element length is 2, the existence type is M, the format is V, the access delay information element length is 2, the existence type is 0, and the format is TV;
  • the above M indicates that the message is decoded into an ordered decoding mode
  • 0 indicates that the message is decoded arbitrarily
  • V represents only the value range
  • TV represents the type field and the value field
  • TLV represents the type field, the length field and the value. area.
  • the BTS initiates listener detection to the MS according to the configuration parameter and the uplink idle command sent by the BSC, so that only the configuration parameter and the uplink idle need to be transmitted once on the Abis interface of the BSC.
  • the command therefore reduces the bandwidth usage of the Abis port when the listener detects it.
  • the BTS after receiving the uplink access message sent by the listener in the MS, the BTS directly ends the listener detection process, and does not need to report the BSC again, so that the listener detection process does not need to occupy the bandwidth of the Abis interface.
  • FIG. 1 is a flow chart of a method for detecting a listener in a prior art cell
  • FIG. 2 is a schematic flowchart of a method according to an embodiment of the present invention.
  • FIG. 3 is a schematic structural diagram of a device according to an embodiment of the present invention. detailed description
  • the embodiment of the present invention provides a cell listener.
  • the BSC first allocates a detection period (Tdetect_period), a waiting period (Twait_detect), and a listener response maximum failure number (DetectRepeat) parameter to the BTS cell.
  • the BSC determines whether the listener can be detected according to the command of the core network. If yes, the uplink idle command (Uplink Free CMD) is sent, and the content includes the listener.
  • Tdetect_period a detection period
  • Twait_detect waiting period
  • DetectRepeat listener response maximum failure number
  • the detected Uplink Free Layer 3 message that is, the Uplink Free message indicating the uplink request, is used to start the listener detection timer of the BTS, and the BTS starts the listener detection process, and issues an Uplink Free message. If the BTS receives the Uplink Access message for the listener detection reported by the listener in a waiting period, the BTS ends the listener detection process; if the BTS does not receive the listener's report for listening during a waiting period The Uplink Access message detected by the listener, the record listener failed to respond once, if the listener is reached If the DetectRepeat does not have an Uplink Access message for the listener to detect, the BTS reports that there is no listener. The BTS reports no listener indication message. After the BSC receives it, the channel is released according to the situation.
  • the solution of the embodiment liberates the BSC from assembling and transmitting the listener detection message, and only completes the configuration of the detection function parameter and the management of the radio resource, which not only greatly reduces the bandwidth of the listener detecting the occupied Abis port, but also reduces the listener detection.
  • the impact of the function on the performance of the BSC also caters to the trend of flattening the BTS.
  • the BTS after receiving the Uplink Access message sent by the MS, the BTS directly ends the listener detection process, and does not need to report the BSC again. Only when the listener responds to the maximum number of failures, the Uplink Access message sent by the listener is not received. It will be reported to the BSC, so that the listener detection process does not need to occupy too much Abis port bandwidth.
  • Step 201 After the BTS is powered on normally, the BSC configures the detection period Tdetect_period, the waiting period Twait_detect, and the listener response maximum failure number DetectRepeat parameter to the BTS cell. .
  • Step 202 After a group of paging channels of the BTS cell is successfully activated, the BSC determines whether the channel is released in the middle, and delivers an Uplink Free CMD to the BTS.
  • the BSC determines whether the channel can be released in the middle according to the command of the core network. If yes, the Blink sends an Uplink Free CMD to the BTS. After receiving the BTS, the timer Tdetect_period is started to perform the listener detection process, and the timer Tdetect_period is detected. Cycle timing. If it is not released in the middle, the BTS will not issue the Uplink Free CMD, and the BTS will not perform the listener detection process.
  • the Uplink Free CMD is delivered, and the content includes an Uplink Free Layer 3 message for the listener detection, that is, an Uplink Free message indicating the uplink request, used to start the BTS timer Tdetect_period, and the BTS starts the periodic listener detection process according to the detection period. .
  • Step 203 The BTS constructs an Uplink Free message by using the message content of the Uplink Free CMD, and sends the message to the MS in the form of a UI frame, and starts the timer Twait_detect, waiting for the cell to listen. Answer. If the listener performs step 204, if no listener performs step 205.
  • Step 204 If the BTS receives the Uplink Access message sent by the listener in the cell before the timer Twait_detect times out, it indicates that there is a listener in the BTS cell in the current detection period, and the listener detection process is ended, waiting for the next detection period to proceed. The listener detects, and step 203 is performed.
  • Step 205 If the timer Twait_detect times out, the BTS does not receive the Uplink Access message sent by the listener in the BTS cell, and the sending counter is incremented by one; if the sending counter has not reached the number of times specified by the configuration parameter DetectRepeat, the BTS continues to send the included Uplink Free message, start timer Twait_detect at the same time; If the sending counter has reached DetectRepeat, the BTS considers that there is no listener on the group call or multicast channel, that is, there is no listener in the current MS, and the listener will be reported to the BSC. (NoListener Indication ) message.
  • the BSC After receiving the non-listener indication message reported by the BTS, the BSC releases the radio channel and waits for the next detection period until the listener detects.
  • the specific implementation may be: if there is no speaker Talker in the BTS cell VGCS, and the VGCS is busy (BUSY), and the handover is not performed, the secondary assignment process is performed, then the release of the wireless channel is performed, otherwise the channel is not released.
  • the format of the Uplink Free CMD encoded on the Abis interface is as follows: Name: Name Uplink Free COMMAND Reduced Use BSC Notify BTS Start Cycle Broadcast Uplink Idle (for listener detection)
  • the NoLinstener Indication message is encoded in the format of the Abis interface. Table 2:
  • M item is an ordered decoding sequence, and 0 items can be arbitrary.
  • the reference bibliography in Table 1 and Table 2 is the coding format of the information unit, and needs to refer to the specific chapter of the 3GPP 48058 protocol.
  • V stands for only the value range
  • TV stands for type field and value field
  • TLV stands for type field, length field and value field.
  • the length is calculated in bytes.
  • the Message type value of Uplink Free CMD is 0X3a.
  • the listener-indicating message multiplexes the message format of the Listener Detection (Linstener Detection) (Section 8.4.22) in the 48058 protocol.
  • the embodiment of the present invention further provides a base transceiver station for detecting a cell listener. As shown in FIG. 3, the method includes:
  • the first receiving module 301 is configured to receive an uplink access message sent by a listener on the group call or the multicast channel;
  • the control module 302 is configured to end the listener detection process in the current detection period according to the received uplink access message sent by the listener.
  • the base transceiver station further includes:
  • the second receiving module 303 is configured to receive a configuration parameter required by the listener sent by the BSC, where the configuration parameter includes a detection period;
  • the third receiving module 304 is configured to receive an uplink idle command sent by the BSC, and uplink
  • the path idle command includes an uplink idle message for indicating an uplink request
  • a first starting module 305 configured to start a timer according to a detection period according to an uplink idle command
  • the first sending module 306 is configured to perform periodic execution, and start sending an uplink idle message to the terminal according to the detection period;
  • the first receiving module 301 is further configured to receive an uplink access message sent by the listener if a listener exists on the group call or multicast channel in a detection period.
  • the second receiving module 303 is further configured to receive a configuration parameter required by the listener sent by the BSC, where the configuration parameter further includes a waiting period and a maximum number of failures of the listener response P;
  • the base transceiver station further includes: a second starting module 307, configured to start a timer according to a waiting period while sending an uplink idle message to the terminal;
  • the first sending module 306 is further configured to periodically send an uplink idle message to the terminal according to a waiting period in a detection period;
  • the first receiving module 301 is further configured to receive an uplink access message sent by the listener on the group call or the multicast channel in the Nth waiting period in the detection period, where N is less than or equal to P.
  • the base transceiver station further includes: a second sending module 308, configured to: in the first P waiting periods in the detecting period, the base station transceiver does not receive the uplink sent by the listener on the group call or the multicast channel The way access message sends a listener indication message to the BSC indicating that there is no listener on the current group call or multicast channel.
  • a second sending module 308 configured to: in the first P waiting periods in the detecting period, the base station transceiver does not receive the uplink sent by the listener on the group call or the multicast channel The way access message sends a listener indication message to the BSC indicating that there is no listener on the current group call or multicast channel.
  • the embodiment of the present invention further provides a base transceiver station for detecting a cell listener. As shown in FIG. 3, the method includes:
  • the second receiving module 303 is configured to receive a configuration parameter required by the listener sent by the BSC, where the configuration parameter includes a detection period;
  • the third receiving module 304 is configured to receive an uplink idle command sent by the BSC, where the uplink idle command includes an uplink idle message for indicating an uplink request.
  • a first starting module 305 configured to start a timer according to a detection period according to an uplink idle command;
  • the first sending module 306 is configured to perform periodic execution, and start sending an uplink idle message to the terminal according to the detection period;
  • the first receiving module 301 is further configured to: if a listener exists on the group call or the multicast channel in one detection period, receive an uplink access message sent by the listener to end the current listener detection process.
  • the base transceiver station further includes:
  • the control module 302 is configured to end the current listener detection process according to the received uplink access message.
  • the second receiving module 303 is further configured to receive a configuration parameter required by the listener sent by the BSC, where the configuration parameter further includes a waiting period and a maximum number of failures of the listener response P;
  • a second starting module 307 configured to start a timer according to a waiting period while sending an uplink idle message to the terminal;
  • the first sending module 306 is further configured to periodically send an uplink idle message to the terminal according to a waiting period in a detection period;
  • the first receiving module 301 is further configured to receive an uplink access message sent by the listener on the group call or the multicast channel in the Nth waiting period in the detection period, where N is less than or equal to P.
  • the base transceiver station further includes: a second sending module 308, configured to: in the first P waiting periods in the detecting period, the base station transceiver does not receive the uplink sent by the listener on the group call or the multicast channel The way access message sends a listener indication message to the BSC indicating that there is no listener on the current group call or multicast channel.
  • a second sending module 308 configured to: in the first P waiting periods in the detecting period, the base station transceiver does not receive the uplink sent by the listener on the group call or the multicast channel The way access message sends a listener indication message to the BSC indicating that there is no listener on the current group call or multicast channel.

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Abstract

本发明公开了一种小区听者检测的方法及基站收发机。其中方法包括:BTS接收组呼或组播信道上听者发送的上行链路接入消息;BTS根据接收的听者发送的上行链路接入消息结束本次检测周期内的听者检测过程。由于本发明实施例提供的方案中,BTS根据BSC发送的配置参数和上行链路空闲命令,在BTS向MS发起听者检测,这样在BSC的Abis口只需传输一次配置参数和上行链路空闲命令,因此减少听者检测时Abis口的带宽占用。或者,BTS接收MS中听者发送的上行链路接入消息后,直接结束本次听者检测过程,不需再上报BSC,这样听者检测过程无需占用Abis口带宽。

Description

一种小区听者检测的方法及基站收发机 技术领域
本发明涉及通信技术领域, 尤其涉及一种小区听者检测的方法及基站 收发机。 背景技术
小区听者检测功能用来检测当前 VGCS (语音组呼业务, Voice Group Call Service ) / VBS (语音广播业务, Voice Broadcast Service ) 区域小区内 是否存在听者 (Listener ), 如果没有听者则根据情况将该小区 VGCS/VBS 业务占用的无线资源释放, 目的是节省无线信道资源, 提高信道资源的利 用率。
在现有技术中, 并没有明确听者检测功能的实现方法, 而现有的实现 方案一般由 BSC (基站控制器, Base Station Controller )来主导实现, 当小 区的听者检测条件满足时, 按检测周期周期性的执行如下步骤, 如图 1 所 示, 包括:
步骤 101、由 BSC组成带有指示上行请求的上行链路空闲( Uplink Free ) 消息以 UI (无编号信息, Unnumbered Information )帧的形式, 发送给 BTS (基站收发机, Base Transceiver Station ), BTS透传该消息给 MS (终端, Mobile Station )。
步骤 102、 MS中的听者收到该消息后, 将发送原因为应答上行链路接 入请求的上行链路接入 ( Uplink Access ) 消息给 BTS, 并启动等待定时器。 实际执行时会在 120ms内上才艮至少两条 Uplink Access消息。
步骤 103、 BTS收到 Uplink Access消息后, 上报听者检测 (Listener Detection ) 消息给 BSC, 本次听者检测结束; 如果 BSC在等待定时器内没 有收到 Listener Detection消息, BSC将重新启动等待定时器, 重启听者响 应最大失败次数后, 仍没有收到 Listener Detection消息, 则认为该 BTS小 区下当前没有 VGCS或者 VBS听者, BSC将该无线信道释放, 通知 MSC (移动交换中心, Mobile Switching Center )并更新通知消息。
经过分析以及验证, 上面的实现方案存在以下缺点:
每个检测周期 BSC都要下发指示上行请求的 Uplink Free消息,以及听 者收到指示上行请求的 Uplink Free消息后, 将在 120ms 内上报至少两条 Uplink Access消息, 假设在同一 BSC下处于同一组呼的组接收模式的听者 有 500个,那么每当听者检测周期开始后, BSC大约要收到 1000条 Listener Detection消息, 这对 Abis口带宽造成较大的影响。 发明内容
为了解决现有技术中进行听者检测, 会对 Abis口带宽造成较大影响的 问题, 本发明提供了一种小区听者检测的方法及基站收发机。
为解决上述技术问题, 本发明的技术方案是这样实现的:
一种小区听者检测的方法, 包括: 基站收发机 BTS接收组呼或组播信 道上听者发送的上行链路接入消息; BTS根据接收的听者发送的上行链路 接入消息结束本次检测周期内的听者检测过程。
所述 BTS接收组呼或组播信道上听者发送的上行链路接入消息之前, 还包括: BTS接收基站控制器 BSC发送的听者检测所需配置参数, 配置参 数包括检测周期; BTS接收 BSC发送的上行链路空闲命令, 上行链路空闲 命令包括用于指示上行请求的上行链路空闲消息; BTS 根据上行链路空闲 命令, 启动按检测周期定时的定时器;
所述方法还包括: BTS 周期性的执行, 开始按检测周期向终端发送上 行链路空闲消息;
所述 BTS接收组呼或组播信道上听者发送的上行链路接入消息具体 为: 在一个检测周期内若该组呼或组播信道上存在听者, 则 BTS接收听者 发送的上行链路接入消息。
所述 BTS接收 BSC发送的听者检测所需配置参数,配置参数还包括等 待周期和听者响应最大失败次数 P;
所述方法还包括: BTS 向终端发送上行链路空闲消息的同时, 启动按 等待周期定时的定时器;
所述 BTS向终端发送上行链路空闲消息具体为: BTS在一检测周期内 按等待周期, 周期性向终端发送上行链路空闲消息;
所述 BTS接收组呼或组播信道上听者发送的上行链路接入消息具体 为: 在检测周期中的第 N个等待周期内, BTS接收组呼或组播信道上听者 发送的上行链路接入消息, N小于等于?。
所述方法还包括: 在检测周期中的前 P个等待周期内, BTS没有接收 到组呼或组播信道上听者发送的上行链路接入消息, BTS向 BSC发送表示 当前组呼或组播信道上不存在听者的无听者指示消息。
一种小区听者检测的方法, 包括: BTS接收 BSC发送的听者检测所需 配置参数, 配置参数包括检测周期; BTS接收 BSC发送的上行链路空闲命 令, 上行链路空闲命令包括用于指示上行请求的上行链路空闲消息; BTS 根据上行链路空闲命令, 启动按检测周期定时的定时器; BTS 周期性的执 行, 开始按检测周期向终端发送上行链路空闲消息; 在一个检测周期内若 组呼或组播信道上存在听者, 则 BTS接收听者发送的用于结束本次听者检 测过程的上行链路接入消息。
所述 BTS接收听者发送的用于结束本次听者检测过程的上行链路接入 消息之后, 还包括: BTS 根据接收的上行链路接入消息结束本次听者检测 过程。
所述 BTS接收 BSC发送的听者检测所需配置参数,配置参数还包括等 待周期和听者响应最大失败次数 P;
所述方法还包括: BTS 向终端发送上行链路空闲消息的同时, 启动按 等待周期定时的定时器;
所述 BTS向终端发送上行链路空闲消息具体为: BTS在一检测周期内 按等待周期, 周期性向终端发送上行链路空闲消息;
所述 BTS接收组呼或组播信道上听者发送的上行链路接入消息具体 为: 在检测周期中的第 N个等待周期内, BTS接收组呼或组播信道上听者 发送的上行链路接入消息, N小于等于?。
所述方法还包括: 在检测周期中的前 P个等待周期内, BTS没有接收 到组呼或组播信道上听者发送的上行链路接入消息, BTS向 BSC发送表示 当前组呼或组播信道上不存在听者的无听者指示消息。
一种小区听者检测的基站收发机, 包括:
第一接收模块, 用于接收组呼或组播信道上听者发送的上行链路接入 消息;
控制模块, 用于根据接收的听者发送的上行链路接入消息结束本次检 测周期内的听者检测过程。
所述基站收发机还包括:
第二接收模块, 用于接收 BSC发送的听者检测所需配置参数, 配置参 数包括检测周期;
第三接收模块, 用于接收 BSC发送的上行链路空闲命令, 上行链路空 闲命令包括用于指示上行请求的上行链路空闲消息;
第一启动模块, 用于根据上行链路空闲命令, 启动按检测周期定时的 定时器;
第一发送模块, 用于周期性的执行, 开始按检测周期向终端发送上行 链路空闲消息; 所述第一接收模块, 还用于: 在一个检测周期内若该组呼或组播信道 上存在听者, 则接收听者发送的上行链路接入消息。
所述第二接收模块,还用于:接收 BSC发送的听者检测所需配置参数, 配置参数还包括等待周期和听者响应最大失败次数 P;
所述基站收发机进一步包括: 第二启动模块, 用于向终端发送上行链 路空闲消息的同时, 启动按等待周期定时的定时器;
所述第一发送模块, 还用于: 在一检测周期内按等待周期, 周期性向 终端发送上行链路空闲消息;
所述第一接收模块, 还用于: 在检测周期中的第 N个等待周期内, 接 收组呼或组播信道上听者发送的上行链路接入消息, N小于等于 P。
一种小区听者检测的基站收发机, 包括:
第二接收模块, 用于接收 BSC发送的听者检测所需配置参数, 配置参 数包括检测周期;
第三接收模块, 用于接收 BSC发送的上行链路空闲命令, 上行链路空 闲命令包括用于指示上行请求的上行链路空闲消息;
第一启动模块, 用于根据上行链路空闲命令, 启动按检测周期定时的 定时器;
第一发送模块, 用于周期性的执行, 开始按检测周期向终端发送上行 链路空闲消息;
第一接收模块, 还用于在一个检测周期内若组呼或组播信道上存在听 者, 则接收听者发送的用于结束本次听者检测过程的上行链路接入消息。
所述基站收发机还包括: 控制模块, 用于根据接收的上行链路接入消 息结束本次听者检测过程。
所述第二接收模块,还用于:接收 BSC发送的听者检测所需配置参数, 配置参数还包括等待周期和听者响应最大失败次数 P; 所述基站收发机进一步包括: 第二启动模块, 用于向终端发送上行链 路空闲消息的同时, 启动按等待周期定时的定时器;
所述第一发送模块, 还用于: 在一检测周期内按等待周期, 周期性向 终端发送上行链路空闲消息;
所述第一接收模块, 还用于: 在检测周期中的第 N个等待周期内, 接 收组呼或组播信道上听者发送的上行链路接入消息, N小于等于 P。
以上所述基站收发机还包括: 第二发送模块,用于在检测周期中的前 P 个等待周期内, 基站收发机没有接收到组呼或组播信道上听者发送的上行 链路接入消息, 向 BSC发送表示当前组呼或组播信道上不存在听者的无听 者指示消息。
以上所述上行链路空闲命令包括: 消息鉴别器信息元素、 消息类型信 息元素、 通道数量信息元素、 链路标识符信息元素和层 3 消息信息元素, 其中, 消息鉴别器信息元素长度为 1、 存在类型为 M、 格式为 V, 消息类型 信息元素长度为 1、存在类型为 M、格式为 V,通道数量信息元素长度为 2、 存在类型为 M、格式为 TV,链路标识符信息元素长度为 2、存在类型为 M、 格式为 V,层 3消息信息元素长度大于等于 3、存在类型为 M、格式为 TLV; 和 /或,
以上所述无听者指示消息包括: 消息鉴别器信息元素、 消息类型信息 元素、 通道数量信息元素和接入延时信息元素, 其中, 消息鉴别器信息元 素长度为 1、 存在类型为 M、 格式为 V, 消息类型信息元素长度为 1、 存在 类型为 M、 格式为 V, 通道数量信息元素长度为 2、 存在类型为 M、 格式 为 TV, 链路标识符信息元素长度为 2、 存在类型为 M、 格式为 V, 接入延 时信息元素长度为 2、 存在类型为 0、 格式为 TV;
以上所述 M表示消息解码为有序解码方式, 0表示消息解码任意, V 代表仅有值域, TV代表有类型域和值域, TLV代表有类型域、 长度域和值 域。
由于本发明实施例提供的方案中, BTS根据 BSC发送的配置参数和上 行链路空闲命令, 在 BTS向 MS发起听者检测, 这样在 BSC的 Abis口只 需传输一次配置参数和上行链路空闲命令, 因此减少听者检测时 Abis口的 带宽占用。 或者, BTS接收 MS中听者发送的上行链路接入消息后, 直接 结束本次听者检测过程,不需再上报 BSC,这样听者检测过程无需占用 Abis 口带宽。 附图说明
图 1为现有技术小区听者检测的方法流程图;
图 2为本发明实施例提供的方法流程示意图;
图 3为本发明实施例提供的装置结构示意图。 具体实施方式
现结合说明书附图对本发明实施例的技术方案进行详细说明, 为了解 决现有技术中进行听者检测, 会对 Abis口带宽造成较大影响的问题, 本发 明实施例提供了一种小区听者检测的方法, BSC 首先将检测周期 ( Tdetect_period )、 等待周期 ( Twait_detect )、 听者响应最大失败次数 ( DetectRepeat )参数配置给 BTS小区。等组呼或者组播信道被激活成功后, BSC根据核心网的命令, 判断是否可以进行听者检测, 若可以, 则下发上 行链路空闲命令 ( Uplink Free CMD ), 内容包含用于听者检测的 Uplink Free 层三消息, 即指示上行请求的 Uplink Free消息, 用于启动 BTS的听者检测 定时器, BTS开始听者检测过程, 下发 Uplink Free消息。 如果 BTS在一个 等待周期内收到听者上报的用于听者检测的 Uplink Access消息,则 BTS结 束该次听者检测过程; 如果 BTS在一个等待周期内没有收到听者上报的用 于听者检测的 Uplink Access消息, 记录听者响应失败一次, 如果达到听者 响应最大失败次数 DetectRepeat仍无用于听者检测的 Uplink Access消息上 报, 则认为该小区下没有听者, BTS上报无听者指示消息。 BSC收到后根 据情况进行信道的释放。
实施例的方案将 BSC从组装和发送听者检测消息中解放出来, 只完成 检测功能参数的配置和无线资源的管理, 不仅大大减少了听者检测占用 Abis口的带宽, 而且减少了听者检测功能对 BSC性能的影响, 同时也迎合 了 BTS扁平化的趋势。 或者, BTS接收 MS发送的 Uplink Access消息后, 直接结束本次听者检测过程, 不需再上报 BSC, 只有在达到听者响应最大 失败次数时仍未收到听者发送的 Uplink Access消息, 才会上报给 BSC, 这 样听者检测过程无需占用过多的 Abis口带宽。
下面结合图 2对本实施例提供的实现网络支付的方法进行说明, 包括: 步骤 201、 BTS正常上电后, BSC将检测周期 Tdetect_period、 等待周 期 Twait_detect、听者响应最大失败次数 DetectRepeat参数配置给 BTS小区。
步骤 202、 BTS小区的某组呼信道被激活成功后, BSC确定该信道是 否是中途可以释放, 向 BTS下发 Uplink Free CMD。
本步骤中, BSC根据核心网的命令, 判断该信道是否中途可以释放的, 若是则向 BTS 下发 Uplink Free CMD , BTS 收到后启动定时器 Tdetect_period ,进行听者检测过程,定时器 Tdetect_period按检测周期定时。 若不是中途可以释放的, 则 BTS不下发 Uplink Free CMD, BTS不进行听 者检测过程。
下发的 Uplink Free CMD,内容包含用于听者检测的 Uplink Free层三消 息, 即指示上行请求的 Uplink Free 消息, 用于启动 BTS 定时器 Tdetect_period, BTS开始按检测周期周期性的听者检测过程。
步骤 203、 BTS利用 Uplink Free CMD 的消息内容构造 Uplink Free消 息, 以 UI帧形式发送给 MS, 同时启动定时器 Twait_detect , 等待小区下听 者应答。 若有听者执行步骤 204、 若无听者执行步骤 205。
步骤 204、如果定时器 Twait_detect超时之前 BTS收到小区中听者发送 的 Uplink Access消息, 则说明当前检测周期该 BTS小区下存在听者, 结束 该次听者检测过程, 等待下一检测周期到进行听者检测, 执行步骤 203。
步骤 205、若定时器 Twait_detect超时, BTS没有收到该 BTS小区中听 者发送的 Uplink Access消息则发送计数器加 1 ; 如果发送计数器还没有达 到配置参数 DetectRepeat规定的次数, BTS继续向 MS发送包含有 Uplink Free 消息, 同时启动定时器 Twait_detect; 如果发送计数器已经达到 DetectRepeat, 则 BTS认为该组呼或组播信道上已经没有听者, 即当前 MS 中不存在听者, 将向 BSC上报无听者指示 ( NoListener Indication ) 消息。
BSC收到 BTS上报的无听者指示消息后, 进行无线信道的释放, 等待 下一检测周期到进行听者检测。具体实施时可以是,如果该 BTS小区 VGCS 中没有讲者 Talker, 并且 VGCS上行忙( BUSY ), 并且当前没有进行切换、 二次指配过程则进行无线信道的释放, 否则不释放信道。
构造 Uplink Free CMD经编码在 Abis接口的格式如下表 1 : 名称 Uplink Free COMMAND 缩 无 用途 BSC通知 BTS开始周期广播上行链路空闲 (用于听者检测) 的信息
结构
Figure imgf000010_0001
表 1
无听者指示( NoLinstener Indication )消息经编码在 Abis接口的格式如 表 2:
Figure imgf000011_0001
表 2
表 1、 表 2 中的存在类型列, 对于消息解码 M项为有序解码序列, 0 项可任意。
表 1、表 2中的参考书目列,是该信息单元的编码格式,需要参考 3GPP 48058协议的具体章节。
表 1、 表 2中的格式列, V代表仅有值域, TV代表有类型域和值域, TLV代表有类型域、 长度域和值域。
长度是以字节为单位计算的。
Uplink Free CMD的 Message type值釆用 0X3a。
无听者指示消息复用了 48058 协议中听者检测消息 ( Linstener Detection ) ( 8.4.22节 ) 的消息格式。
本发明实施例还提供了一种小区听者检测的基站收发机, 如图 3所示, 包括:
第一接收模块 301 ,用于接收组呼或组播信道上听者发送的上行链路接 入消息;
控制模块 302,用于根据接收的听者发送的上行链路接入消息结束本次 检测周期内的听者检测过程。
所述基站收发机进一步还包括:
第二接收模块 303 , 用于接收 BSC发送的听者检测所需配置参数, 配 置参数包括检测周期;
第三接收模块 304, 用于接收 BSC发送的上行链路空闲命令, 上行链 路空闲命令包括用于指示上行请求的上行链路空闲消息;
第一启动模块 305 , 用于根据上行链路空闲命令, 启动按检测周期定时 的定时器;
第一发送模块 306, 用于周期性的执行, 开始按检测周期向终端发送上 行链路空闲消息;
第一接收模块 301 ,还用于在一个检测周期内若该组呼或组播信道上存 在听者, 则接收听者发送的上行链路接入消息。
进一步, 第二接收模块 303 , 还用于接收 BSC发送的听者检测所需配 置参数, 配置参数还包括等待周期和听者响应最大失败次数 P;
所述基站收发机进一步还包括: 第二启动模块 307, 用于向终端发送上 行链路空闲消息的同时, 启动按等待周期定时的定时器;
第一发送模块 306,还用于在一检测周期内按等待周期, 周期性向终端 发送上行链路空闲消息;
第一接收模块 301 , 还用于在检测周期中的第 N个等待周期内, 接收 组呼或组播信道上听者发送的上行链路接入消息, N小于等于 P。
进一步, 所述基站收发机进一步还包括: 第二发送模块 308 , 用于在检 测周期中的前 P个等待周期内, 基站收发机没有接收到组呼或组播信道上 听者发送的上行链路接入消息, 向 BSC发送表示当前组呼或组播信道上不 存在听者的无听者指示消息。
本发明实施例还提供了一种小区听者检测的基站收发机, 如图 3所示, 包括:
第二接收模块 303 , 用于接收 BSC发送的听者检测所需配置参数, 配 置参数包括检测周期;
第三接收模块 304, 用于接收 BSC发送的上行链路空闲命令, 上行链 路空闲命令包括用于指示上行请求的上行链路空闲消息; 第一启动模块 305 , 用于根据上行链路空闲命令, 启动按检测周期定时 的定时器;
第一发送模块 306, 用于周期性的执行, 开始按检测周期向终端发送上 行链路空闲消息;
第一接收模块 301 ,还用于在一个检测周期内若组呼或组播信道上存在 听者, 则接收听者发送的用于结束本次听者检测过程的上行链路接入消息。
进一步, 所述基站收发机还包括:
控制模块 302,用于根据接收的上行链路接入消息结束本次听者检测过 程。
进一步, 第二接收模块 303 , 还用于接收 BSC发送的听者检测所需配 置参数, 配置参数还包括等待周期和听者响应最大失败次数 P;
第二启动模块 307, 用于向终端发送上行链路空闲消息的同时, 启动按 等待周期定时的定时器;
第一发送模块 306,还用于在一检测周期内按等待周期, 周期性向终端 发送上行链路空闲消息;
第一接收模块 301 , 还用于在检测周期中的第 N个等待周期内, 接收 组呼或组播信道上听者发送的上行链路接入消息, N小于等于 P。
进一步, 所述基站收发机进一步还包括: 第二发送模块 308 , 用于在检 测周期中的前 P个等待周期内, 基站收发机没有接收到组呼或组播信道上 听者发送的上行链路接入消息, 向 BSC发送表示当前组呼或组播信道上不 存在听者的无听者指示消息。 本发明的精神和范围。 这样, 倘若本发明的这些修改和变型属于本发明权 利要求及其等同技术的范围之内, 则本发明也意图包含这些改动和变型在 内。

Claims

权利要求书
1、 一种小区听者检测的方法, 其特征在于, 包括:
基站收发机 BTS 接收组呼或组播信道上听者发送的上行链路接入消 息;
BTS 根据接收的听者发送的上行链路接入消息结束本次检测周期内的 听者检测过程。
2、如权利要求 1所述的方法, 其特征在于, 所述 BTS接收组呼或组播 信道上听者发送的上行链路接入消息之前, 还包括:
BTS接收基站控制器 BSC发送的听者检测所需配置参数, 配置参数包 括检测周期;
BTS接收 BSC发送的上行链路空闲命令, 上行链路空闲命令包括用于 指示上行请求的上行链路空闲消息;
BTS根据上行链路空闲命令, 启动按检测周期定时的定时器; 所述方法还包括:
BTS周期性的执行, 开始按检测周期向终端发送上行链路空闲消息; 所述 BTS接收组呼或组播信道上听者发送的上行链路接入消息具体 为:
在一个检测周期内若该组呼或组播信道上存在听者, 则 BTS接收听者 发送的上行链路接入消息。
3、 如权利要求 2所述的方法, 其特征在于, 所述 BTS接收 BSC发送 的听者检测所需配置参数, 配置参数还包括等待周期和听者响应最大失败 次数 P;
所述方法还包括:
BTS 向终端发送上行链路空闲消息的同时, 启动按等待周期定时的定 时器; 所述 BTS向终端发送上行链路空闲消息具体为:
BTS 在一检测周期内按等待周期, 周期性向终端发送上行链路空闲消 息;
所述 BTS接收组呼或组播信道上听者发送的上行链路接入消息具体 为:
在检测周期中的第 N个等待周期内, BTS接收组呼或组播信道上听者 发送的上行链路接入消息, N小于等于?。
4、 如权利要求 3所述的方法, 其特征在于, 还包括: 在检测周期中的 前 P个等待周期内, BTS没有接收到组呼或组播信道上听者发送的上行链 路接入消息, BTS向 BSC发送表示当前组呼或组播信道上不存在听者的无 听者指示消息。
5、 如权利要求 4所述的方法, 其特征在于,
所述上行链路空闲命令包括: 消息鉴别器信息元素、 消息类型信息元 素、 通道数量信息元素、 链路标识符信息元素和层 3消息信息元素, 其中, 消息鉴别器信息元素长度为 1、存在类型为 M、格式为 V, 消息类型信息元 素长度为 1、 存在类型为 M、 格式为 V, 通道数量信息元素长度为 2、 存在 类型为 M、 格式为 TV, 链路标识符信息元素长度为 2、 存在类型为 M、 格 式为 V, 层 3消息信息元素长度大于等于 3、 存在类型为 M、 格式为 TLV; 和 /或,
所述无听者指示消息包括: 消息鉴别器信息元素、 消息类型信息元素、 通道数量信息元素和接入延时信息元素, 其中, 消息鉴别器信息元素长度 为 1、 存在类型为 M、 格式为 V, 消息类型信息元素长度为 1、 存在类型为 M、 格式为 V, 通道数量信息元素长度为 2、 存在类型为 M、 格式为 TV, 链路标识符信息元素长度为 2、存在类型为 M、格式为 V, 接入延时信息元 素长度为 2、 存在类型为 0、 格式为 TV; 以上所述 M表示消息解码为有序解码方式, 0表示消息解码任意, V 代表仅有值域, TV代表有类型域和值域, TLV代表有类型域、 长度域和值 域。
6、 一种小区听者检测的方法, 其特征在于, 包括:
BTS接收 BSC发送的听者检测所需配置参数,配置参数包括检测周期; BTS接收 BSC发送的上行链路空闲命令, 上行链路空闲命令包括用于 指示上行请求的上行链路空闲消息;
BTS根据上行链路空闲命令, 启动按检测周期定时的定时器;
BTS周期性的执行, 开始按检测周期向终端发送上行链路空闲消息; 在一个检测周期内若组呼或组播信道上存在听者, 则 BTS接收听者发 送的用于结束本次听者检测过程的上行链路接入消息。
7、如权利要求 6所述的方法, 其特征在于, 所述 BTS接收听者发送的 用于结束本次听者检测过程的上行链路接入消息之后, 还包括:
BTS根据接收的上行链路接入消息结束本次听者检测过程。
8、 如权利要求 7所述的方法, 其特征在于, 所述 BTS接收 BSC发送 的听者检测所需配置参数, 配置参数还包括等待周期和听者响应最大失败 次数 P;
所述方法还包括:
BTS 向终端发送上行链路空闲消息的同时, 启动按等待周期定时的定 时器;
所述 BTS向终端发送上行链路空闲消息具体为:
BTS 在一检测周期内按等待周期, 周期性向终端发送上行链路空闲消 息;
所述 BTS接收组呼或组播信道上听者发送的上行链路接入消息具体 为: 在检测周期中的第 N个等待周期内, BTS接收组呼或组播信道上听者 发送的上行链路接入消息, N小于等于?。
9、 如权利要求 8所述的方法, 其特征在于, 还包括: 在检测周期中的 前 P个等待周期内, BTS没有接收到组呼或组播信道上听者发送的上行链 路接入消息, BTS向 BSC发送表示当前组呼或组播信道上不存在听者的无 听者指示消息。
10、 如权利要求 9所述的方法, 其特征在于,
所述上行链路空闲命令包括: 消息鉴别器信息元素、 消息类型信息元 素、 通道数量信息元素、 链路标识符信息元素和层 3消息信息元素, 其中, 消息鉴别器信息元素长度为 1、存在类型为 M、格式为 V, 消息类型信息元 素长度为 1、 存在类型为 M、 格式为 V, 通道数量信息元素长度为 2、 存在 类型为 M、 格式为 TV, 链路标识符信息元素长度为 2、 存在类型为 M、 格 式为 V, 层 3消息信息元素长度大于等于 3、 存在类型为 M、 格式为 TLV; 和 /或,
所述无听者指示消息包括, 消息鉴别器信息元素、 消息类型信息元素、 通道数量信息元素和接入延时信息元素, 其中, 消息鉴别器信息元素长度 为 1、 存在类型为 M、 格式为 V, 消息类型信息元素长度为 1、 存在类型为 M、 格式为 V, 通道数量信息元素长度为 2、 存在类型为 M、 格式为 TV, 链路标识符信息元素长度为 2、存在类型为 M、格式为 V, 接入延时信息元 素长度为 2、 存在类型为 0、 格式为 TV;
以上所述 M表示消息解码为有序解码方式, 0表示消息解码任意, V 代表仅有值域, TV代表有类型域和值域, TLV代表有类型域、 长度域和值 域。
11、 一种小区听者检测的基站收发机, 其特征在于, 包括:
第一接收模块, 用于接收组呼或组播信道上听者发送的上行链路接入 消息;
控制模块, 用于根据接收的听者发送的上行链路接入消息结束本次检 测周期内的听者检测过程。
12、 如权利要求 11所述的基站收发机, 其特征在于, 还包括: 第二接收模块, 用于接收 BSC发送的听者检测所需配置参数, 配置参 数包括检测周期;
第三接收模块, 用于接收 BSC发送的上行链路空闲命令, 上行链路空 闲命令包括用于指示上行请求的上行链路空闲消息;
第一启动模块, 用于根据上行链路空闲命令, 启动按检测周期定时的 定时器;
第一发送模块, 用于周期性的执行, 开始按检测周期向终端发送上行 链路空闲消息;
所述第一接收模块, 还用于: 在一个检测周期内若该组呼或组播信道 上存在听者, 则接收听者发送的上行链路接入消息。
13、 如权利要求 12所述的基站收发机, 其特征在于,
所述第二接收模块,还用于:接收 BSC发送的听者检测所需配置参数, 配置参数还包括等待周期和听者响应最大失败次数 P;
所述基站收发机进一步包括: 第二启动模块, 用于向终端发送上行链 路空闲消息的同时, 启动按等待周期定时的定时器;
所述第一发送模块, 还用于: 在一检测周期内按等待周期, 周期性向 终端发送上行链路空闲消息;
所述第一接收模块, 还用于: 在检测周期中的第 N个等待周期内, 接 收组呼或组播信道上听者发送的上行链路接入消息, N小于等于 P。
14、 如权利要求 13所述的基站收发机, 其特征在于, 还包括: 第二发送模块, 用于在检测周期中的前 P个等待周期内, 基站收发机 没有接收到组呼或组播信道上听者发送的上行链路接入消息, 向 BSC发送 表示当前组呼或组播信道上不存在听者的无听者指示消息。
15、 一种小区听者检测的基站收发机, 其特征在于, 包括:
第二接收模块, 用于接收 BSC发送的听者检测所需配置参数, 配置参 数包括检测周期;
第三接收模块, 用于接收 BSC发送的上行链路空闲命令, 上行链路空 闲命令包括用于指示上行请求的上行链路空闲消息;
第一启动模块, 用于根据上行链路空闲命令, 启动按检测周期定时的 定时器;
第一发送模块, 用于周期性的执行, 开始按检测周期向终端发送上行 链路空闲消息;
第一接收模块, 还用于在一个检测周期内若组呼或组播信道上存在听 者, 则接收听者发送的用于结束本次听者检测过程的上行链路接入消息。
16、 如权利要求 15所述的基站收发机, 其特征在于, 还包括: 控制模块, 用于根据接收的上行链路接入消息结束本次听者检测过程。
17、 如权利要求 16所述的基站收发机, 其特征在于,
所述第二接收模块,还用于:接收 BSC发送的听者检测所需配置参数, 配置参数还包括等待周期和听者响应最大失败次数 P;
所述基站收发机进一步包括: 第二启动模块, 用于向终端发送上行链 路空闲消息的同时, 启动按等待周期定时的定时器;
所述第一发送模块, 还用于: 在一检测周期内按等待周期, 周期性向 终端发送上行链路空闲消息;
所述第一接收模块, 还用于: 在检测周期中的第 N个等待周期内, 接 收组呼或组播信道上听者发送的上行链路接入消息, N小于等于 P。
18、 如权利要求 17所述的基站收发机, 其特征在于, 还包括: 第二发送模块, 用于在检测周期中的前 P个等待周期内, 基站收发机 没有接收到组呼或组播信道上听者发送的上行链路接入消息, 向 BSC发送 表示当前组呼或组播信道上不存在听者的无听者指示消息。
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