WO2009036620A1 - A method of a cluster system paging a terminal and a dispatching sub-system thereof - Google Patents

A method of a cluster system paging a terminal and a dispatching sub-system thereof Download PDF

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Publication number
WO2009036620A1
WO2009036620A1 PCT/CN2007/003454 CN2007003454W WO2009036620A1 WO 2009036620 A1 WO2009036620 A1 WO 2009036620A1 CN 2007003454 W CN2007003454 W CN 2007003454W WO 2009036620 A1 WO2009036620 A1 WO 2009036620A1
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Prior art keywords
terminal
scheduling
state
paging
home register
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English (en)
French (fr)
Inventor
Sanmao Zhan
Mi Liu
Pengcheng Tang
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ZTE Corp
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ZTE Corp
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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W68/00User notification, e.g. alerting and paging, for incoming communication, change of service or the like
    • H04W68/02Arrangements for increasing efficiency of notification or paging channel

Definitions

  • the present invention relates to the field of wireless communications, and in particular, to a method for paging terminals of a cluster system and a scheduling subsystem thereof.
  • BACKGROUND With the development of digital trunking communication technology, digital trunking communication has become a new force in mobile communication technology.
  • the mainstream trunking communication systems in the cluster communication market include TERTA, iDE, GoTa, etc., and the cluster communication technology covers mobile Communication technology GSM and CDMA two systems.
  • 3G technology With the development and application of 3G technology, it will expand and extend to 3G technology.
  • the application field of the trunking communication system is no longer limited to the public dispatching system of public security, industrial and mining, railway, etc.
  • . 1 is a basic network structure diagram of a digital trunking system in the prior art, including a cluster terminal, a base station subsystem BSS, a switching subsystem, and a cluster scheduling subsystem.
  • the cluster scheduling subsystem is dispatched by the Dispatching Control Center (DCC, Dispatching Home Register), the Dispatching Agent Server (DAS), the Dispatch Agent Client (DAC), and the cluster.
  • DCC Dispatching Control Center
  • DAS Dispatching Agent Server
  • DAC Dispatch Agent Client
  • the user database is composed, and the scheduling subsystem mainly completes the cluster scheduling service.
  • the dispatch control center is the total control point of the cluster paging, and completes the processing of the cluster scheduling paging, including the authentication of the cluster user, the establishment of various cluster paging, the request for judging the cluster call right, etc.; the dispatch control center also receives the reverse link.
  • the cluster voice data is redistributed to the corresponding forward link.
  • the scheduling home register performs the cluster user database management operation, and completes the functions of charging, authentication and authorization in the digital trunking system. When the cluster is paging by the unified group identifier, the authentication and paging functions are independent.
  • the cluster user database stores information about all users in the trunked communication system.
  • the dispatcher server processes the service request sent by the dispatcher client.
  • the dispatching station client includes a dispatching station and a management station, and the dispatching station performs management operations such as mediation by the dispatcher.
  • the state registered by the terminal in the scheduling home register of the cluster system is still the power-on state, so When the paging of the terminal is activated, the system will continue to page the terminal, thereby causing waste of wireless resources.
  • the state registered by the terminal in the cluster system is a shutdown state. Since the system usually does not page the shutdown terminal, the cluster system will leak when paging the terminal.
  • An object of the present invention is to provide a method for paging a terminal in a cluster system and a scheduling subsystem thereof, which solves the problem of the state of the terminal switch and the actual terminal stored in the cluster system when the cluster system is paging the terminal in the prior art.
  • the present invention provides a method for paging a terminal in a cluster system, which includes the following steps: Step 1: After receiving the call request of the cluster page, the dispatch control center sends an authentication request to the scheduling home register.
  • Step 2 After receiving the authentication request, the scheduling home register determines whether the time interval between the time when the terminal to be paged is last registered and the current time is greater than a preset time threshold; if yes, the scheduling The home register determines that the terminal is currently in a long-term no location update state; otherwise, the scheduling home register determines that the terminal is currently in the same state as the terminal registered in the cluster user database; Step three, scheduling the home register Returning to the dispatch control center, and indicating the current state of the terminal in the authentication response; Step 4: After receiving the authentication response, the scheduling control center separately pages the terminal in the long-term no-location update state or the shutdown state, and determines whether the terminal responds; if yes, ends the process; otherwise, continues paging And determining whether the number of pagings has reached a predetermined paging time limit, and if so, ending the process, otherwise, continuing the paging until the terminal responds.
  • the method further includes: step of setting the time threshold in advance in the scheduling home register.
  • the method further includes: the step of setting the paging threshold threshold in advance in the scheduling control center.
  • the scheduling control center controls the paging times by using a paging number counter.
  • the method wherein, in the step 4, after the terminal in the long-term no-location update state or the shutdown state responds to the paging, the method further includes: the scheduling home register update is stored in a cluster user database. The status of the terminal registration, and record the timestamp of this update.
  • the present invention also discloses a cluster scheduling subsystem, including: a scheduling control center, a scheduling home register, and a cluster user database, wherein the scheduling control center includes: an authentication request sending module, configured to receive a cluster paging After the call request, the authentication request is sent to the scheduling home register; the paging module is configured to separately page the terminal in the long-term no-position update state or the shutdown state according to the authentication response sent by the scheduled home register; a call termination determining module, configured to continue paging when the terminal does not respond to the individual paging performed by the paging module, and when the number of paging reaches a preset threshold and the terminal still does not respond Ending the paging of the terminal; the scheduling home register includes: an authentication request receiving module, configured to receive an authentication request sent by the authentication request sending module; and a terminal state determining module, configured to After receiving the authentication request, the signing request receiving module determines the time and current time of the last time the terminal to be paged performs the location registration.
  • the scheduling control center
  • the scheduling home register determines that the terminal is currently in a long-term no location update state; otherwise, the scheduling home register determines that the terminal is currently in a state and the cluster user database
  • the status of the terminal registration is the same; the authentication response sending module is configured to return an authentication response to the scheduling control center after the terminal status determining module determines the current state of the terminal, and in the authentication response Indicates the current state of the terminal.
  • the scheduling home register further comprises: a terminal status update module, configured to update the storage when the terminal in the long-term no-position update state or the shutdown state responds to the paging performed by the paging module The status of the terminal registration in the cluster user database, and record the timestamp of the current update.
  • a terminal status update module configured to update the storage when the terminal in the long-term no-position update state or the shutdown state responds to the paging performed by the paging module The status of the terminal registration in the cluster user database, and record the timestamp of the current update.
  • the invention also discloses a method for paging a terminal in a cluster system, which comprises the following steps: Step 1: After receiving the call request of the cluster page, the dispatch control center sends an authentication request to the scheduling home register; After receiving the goodness request, the scheduling home register determines whether the time interval between the time when the terminal to be paged is last registered and the current time is greater than a preset time threshold; if yes, the scheduling home register determines the The terminal is currently in a long-term no-position update state; otherwise, the scheduling home register determines that the current state of the terminal is the same as the state of the terminal registered in the cluster user database; Step three, scheduling the home register to the scheduling control The center returns an authentication response, and indicates the current state of the terminal in the right response; Step 4: After receiving the authentication response, the scheduling control center broadcasts the paging to the terminal, and receives the Determining, by the terminal, the reverse signaling sent by the terminal, the terminal that sends the reverse signaling Whether the status returned in the authentication response is a long-
  • the method further includes: the step of receiving, by the scheduling home register, the location update request, and updating a status of the terminal registration and a registered timestamp in the cluster user database.
  • the invention also discloses a cluster scheduling subsystem, comprising: a cluster scheduling center, scheduling attribution a register, a cluster user database, where the scheduling control center includes: an authentication request sending module, configured to send an authentication request to the scheduling home register after receiving the call request of the cluster page; And performing broadcast paging on the terminal according to the authentication response sent by the scheduling home register; the reverse signaling receiving module is configured to receive reverse signaling sent by the terminal; and the location update request sending module is configured to use the reverse signaling And the location update request sent to the scheduling home register when the reverse signaling received by the receiving module is sent from a terminal that is in a long-term no location update state or a shutdown state; the scheduling home register includes: an authentication request receiving module, The terminal status determining module is configured to: after the authentication request receiving module receives the authentication request, determine that the terminal to be paged
  • the technical effect of the present invention is: The present invention determines whether the terminal is in a long-term no-position update state by setting a time threshold in the cluster home register, and restricts the pair to be in a long time by setting a paging threshold in advance in the scheduling control center.
  • the radio resources caused by the desired paging are wasted.
  • FIG. 2 is a flowchart of a method for paging a terminal in a cluster system according to Embodiment 1 of the present invention
  • FIG. 3 is a schematic diagram of a clustering system according to Embodiment 2 of the present invention
  • FIG. 4 is a schematic structural diagram of a cluster scheduling subsystem according to Embodiment 1 of the present invention
  • FIG. 5 is a schematic structural diagram of a cluster scheduling subsystem according to Embodiment 2 of the present invention.
  • FIG. 2 is a flowchart of a method for paging a terminal in a cluster system according to an embodiment of the present invention.
  • the paging situation corresponding to this embodiment is a case where a single paging is required for the terminal in a single call or a group call. As shown in FIG.
  • the method for paging a terminal in a cluster system includes the following steps: Step 201: Set a time alarm value in a scheduling home register and a paging number threshold in a scheduling control center; wherein, the time threshold The terminal for determining whether the terminal to be paged is a long-term location-free update, the paging number threshold is used to limit the number of pagings of the terminal that is in the long-term no-position update state or the shutdown state in the scheduling control center; Step 202, scheduling After receiving the call request of the cluster page, the control center sends an answer request to the scheduling home register. Step 203: After the home register is received, the preset time threshold is read, and the page to be paged is read.
  • different state values may respectively indicate the current state of the power on and off, including: power on, power off, and long term no location.
  • Step 205 The scheduling control center records the state value of the power on/off state of the terminal returned by the authentication response, and implements different paging policies for the terminals in different states; for example, the paging policy of the terminal in the power-on state is the same In the prior art, the paging is continued until the terminal responds, and then the process ends; the paging policy for the terminal in the long-term no-location update state or the shutdown state is: paging the terminal, and then determining whether the terminal responds to the paging; If yes, the process ends; otherwise, step 206 is performed; step 206, scheduling control Paging the terminal continuously, and determining whether the number of paging times reaches a preset paging number threshold; if yes, the terminal is no longer paged, and the process ends; otherwise, step 207 is performed; step 207, scheduling control The center continues
  • the next authentication is based on the status of the update.
  • the number of pagings of terminals for a long-term no-location update state or a shutdown state can be controlled by setting a paging number counter in the dispatch control center.
  • the paging number counter may be started; if the terminal does not respond immediately, the paging continues until the search The call counter is cleared; if the terminal has not responded, the terminal is no longer paged, and the process ends; otherwise, the system connects the terminal to the call.
  • FIG. 3 is a flowchart of a method for paging a terminal in a cluster system according to Embodiment 2 of the present invention.
  • the paging situation corresponding to this embodiment is a case where a paging is performed on a terminal in a group call. As shown in FIG.
  • Step 301 Set a time threshold in the scheduling home register in advance; wherein the time threshold is used to determine whether the terminal to be paged is a terminal that has not been updated for a long time;
  • Step 302 is the same as step 202;
  • Step 305 The scheduling control center receives the authentication response, records the state value of the power on/off state of the terminal returned by the authentication response, and performs broadcast paging on the terminal;
  • Step 307 The terminal schedules the home register to apply for the call right, queries the group status, and sends reverse signaling to the dispatch control center.
  • Step 308 The dispatch control center receives the reverse signaling, and determines according to the received authentication response. Whether the status returned by the terminal authentication is a long-term no-position update status or a shutdown status; if yes, step 309 is performed; otherwise, the end Step 309: The scheduling control center initiates a location update request to the scheduling home register.
  • the paging mode is a broadcast paging. In the broadcast paging, the scheduling control center does not judge the state of the terminal when the paging is sent.
  • FIG. 4 is a schematic structural diagram of a cluster scheduling subsystem according to Embodiment 1 of the present invention. As shown in FIG.
  • the scheduling subsystem 401 includes: a scheduling control center 402, a scheduling home register 403,
  • the cluster user database 404 is characterized in that: the scheduling control center 402 includes: a right request sending module 410, configured to send a signing request to the scheduling home register after receiving the call request of the cluster page; the paging module 408 And performing, by the authentication response sent by the scheduling home register, a terminal that is in a long-term location-free update state or a shutdown state; the paging end determining module 409 is configured to: when the terminal does not respond to the paging When the module 408 performs a separate paging, the paging is continued, and when the number of paging reaches a preset number of times and the terminal still does not respond, the end of the paging of the terminal; the scheduling home register 403 includes: an authentication request receiving module 405, configured to receive an authentication request sent by the authentication request sending module 410.
  • the terminal state determining module 406 is configured to: after the authentication request receiving module 405 receives the authentication request, determine Whether the time between the last time the terminal to be paged and the current time is greater than a preset time value; if yes, the scheduling The genus register determines that the terminal is currently in a long-term no-position update state; otherwise, the scheduling home register determines that the terminal is currently in the same state as the terminal registration in the cluster user database 404; the authentication response sending module 407 And determining, after the terminal state determining module 406 determines the current state of the terminal, returning an authentication symptom to the scheduling control center 402, and indicating, in the authentication response, the current location of the terminal.
  • the scheduling home register further includes: a terminal status update module, configured to: when the terminal in the long-term no-position update state or the shutdown state responds to the paging module When the paging is performed, the state of the terminal registration stored in the cluster user database is updated, and the timestamp of the current update is recorded.
  • FIG. 5 is a schematic structural diagram of the cluster scheduling subsystem according to the second embodiment of the present invention.
  • the cluster scheduling subsystem 501 of the second embodiment of the present invention includes: a scheduling control center 502, a scheduling home register 503, and a set.
  • the scheduling control center 502 includes: an authentication request sending module 510, configured to send an authentication request to the scheduling home register after receiving the call request of the cluster page; and a broadcast paging module 509, configured to perform a home register according to the scheduling The sent authentication response broadcasts the paging to the terminal; the reverse signaling receiving module 511 is configured to receive the reverse signaling sent by the terminal; and the location update request sending module 512 is configured to receive, when the reverse signaling receiving module receives The reverse signaling is sent from the location update request initiated by the scheduling home register when the reverse signaling is sent from the terminal in the long-term no location update state or the shutdown state; the scheduling home register 503 includes: the right request receiving module 505, Receiving the authentication request sent by the authentication request sending module; the terminal state determining module 506, configured to: after the authentication request receiving module receives the authentication request, determine that the terminal to be paged last time performs the location Whether the interval between the registered time and the current time is greater than a preset time threshold; if yes
  • the terminal that is powered on and long-term online call may be classified into a terminal class that has not been updated for a long time because there is no timing location registration message, and the method of the present invention is also processed corresponding to such a terminal. It is more appropriate to call it, but not always call.
  • the technical solution of the invention is simple and feasible, easy to popularize, and can effectively solve the leakage call caused by the inconsistency between the power-on state registered by the terminal stored in the register of the cluster system and the actual on-off state of the terminal.
  • the waste of wireless resources caused by W 200 and unnecessary paging The above description is only a preferred embodiment of the present invention, and it should be noted that those skilled in the art can make several improvements and refinements without departing from the principles of the present invention. Retouching should also be considered as the scope of protection of the present invention.

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Description

一种集群系统寻呼终端的方法及其调度子系统 技术领域- 本发明涉及无线通讯领域,特别是涉及一种集群系统寻呼终端的方法及 其调度子系统。 背景技术 随着数字集群通信技术的发展,数字集群通信已经成为移动通信技术中 的一支生力军, 现在集群通信市场上的主流的集群通信系统包括 TERTA、 iDE 和 GoTa等, 集群通信技术覆盖了移动通信技术的 GSM和 CDMA两 种制式。 随着 3G技术的发展和应用, 它必将向 3G技术扩张和延伸。 集群通信系统的应用领域已不再只局限于公安、工矿、铁路等专业的调 度系统, 现在已经渗透到大众生活的方方面面, 朋友之间, 家庭成员以及情 侣之间的集群通信需求也曰益增长。 图 1是现有技术中数字集群系统的基本网络结构图, 包括集群终端、基 站子系统 BSS、 交换子系统和集群调度子系统。 集群调度子系统由调度控制中心 (DCC, Dispatching Control Center ) 调度归属寄存器(DHR, Dispatching Home Register ), 调度台服务器(DAS, Dispatching Agent Server ), 调度台客户端 ( DAC, Dispatching Agent Client ) 和集群用户数据库组成, 调度子系统主要完成集群调度业务。 调度控制中心是集群寻呼的总控制点, 完成集群调度寻呼的处理, 包括 鉴别集群用户、 建立各种集群寻呼、 判断集群通话权的请求等; 调度控制中 心还接收来自反向链路的集群语音数据, 居寻呼的性质再分发到对应的前 向链路。 调度归属寄存器进行集群用户数据库管理操作,完成数字集群系统中计 费、 鉴权和授权功能。 在集群按统一组标识进行寻呼时, 鉴权和寻呼功能独 立。 集群用户数据库存储了集群通信系统中所有用户相关信息。 调度台服务器处理调度台客户端发来的业务请求。 调度台客户端包括调度台与管理台, 调度台由调度员进行调處¾^ J 户权限等管理操作-。 ― 现有的集群系统寻呼方法中, 当终端进入无信号的区域、或终端关机的 反向信令丢失时, 在集群系统的调度归属寄存器中该终端登记的状态仍是开 机状态, 因此当有该终端参与的寻呼激活时, 系统会对该类终端持续寻呼, 从而造成无线资源的浪费。 另夕卜, 当终端已开机、 但其开机登记消息丟失时, 集群系统中该终端登记的状态是关机状态, 由于系统通常不对关机终端进行 寻呼, 因此当集群系统寻呼终端时就会漏呼该丢失开机登记信息的已开机终 端。 综上所述可知, 现有的集群系统由于缺乏对系统中保存的终端开关机状 态与终端实际的开关机状态失步的处理方法, 会造成漏呼和不必要的寻呼。 这必然会造成无线资源的浪费, 且无法满足随着集群业务种类的不断丰富和 发展, 对集群系统的功能、 稳定性和可靠性的要求。 发明内容 本发明的目的是提供一种集群系统寻呼终端的方法及其调度子系统,解 决现有技术中集群系统在寻呼终端时, 因集群系统中保存的终端开关机状态 与终端实际的开关机状态不一致而造成漏呼和 /或不必要寻呼的技术问题。 为了实现上述目的,本发明提供了一种集群系统寻呼终端的方法,其中, 包括如下步骤: 步骤一, 调度控制中心收到集群寻呼的起呼请求之后,发送鉴权请求给 调度归属寄存器; 步據二,调度归属寄存器收到所述鉴权请求后, 判断欲寻呼的终端上一 次进行位置登记的时间与当前时间的间隔是否大于预先设定的时间阈值; 如 是, 则所述调度归属寄存器确定所述终端当前处于长期无位置更新状态; 否 则, 所述调度归属寄存器确定所述终端当前所处的状态与集群用户数据库中 登记的所述终端的状态相同; 步驟三,调度归属寄存器向所述调度控制中心返回養权应答, 并在所述 鉴权应答中标示所述终端当前所处的状态; 步骤四,调度控制中心接收所述鉴权应答后,对处于长期无位置更新状 态或关机状态的终端进行单独寻呼, 并判断所述终端是否响应; 如是, 则结 束流程; 否则, 持续寻呼, 并判断寻呼的次数是否已达到预定的寻呼次^ ΓΓ 限, 如是, 则结束流程, 否则, 继续寻呼, 直至所述终端响应。 所述的方法, 其中, 还包括: 在所述调度归属寄存器中预先设置所述时 间阈值的步 。 所述的方法, 其中, 还包括: 在所述调度控制中心预先设置所述寻呼次 数门限的步骤。 所述的方法, 其中, 在所述步骤四中, 所述调度控制中心通过寻呼次数 计数器来实现对寻呼次数的控制。 所述的方法, 其中, 在所述步骤四中, 所述处于长期无位置更新状态或 关机状态的终端响应所述寻呼后, 还包括: 所述调度归属寄存器更新存储在 集群用户数据库中所述终端登记的状态, 并记录本次更新的时间戳。 本发明还公开了一种集群调度子系统, 包括: 调度控制中心、 调度归属 寄存器、 集群用户数据库, 其中, 所述调度控制中心包括: 鉴权请求发送模块, 用于在收到集群寻呼的起呼请求之后,发送鉴权请 求给调度归属寄存器; 寻呼模块,用于根据所述调度归属寄存器发送的鉴权应答对处于长期无 位置更新^态或关机状态的终端进行单独寻呼; 寻呼结束判断模块,用于当所述终端未响应所述寻呼模块进行的单独寻 呼时, 持续寻呼, 并当寻呼的次数达到预先设定的次数门限而所述终端仍未 响应时, 结束^ "所述终端的寻呼; 所述调度归属寄存器包括: 鉴权请求接收模块, 用于接收所述鉴权请求发送模块发送的鉴权请求; 终端状态确定模块,用于在所述签权请求接收模块接收到所述鉴权请求 后, 判断欲寻呼的终端上一次进行位置登记的时间与当前时间的间隔是否大 于预先设定的时间阈值; 如是, 则所述调度归属寄存器确定所述终端当前处 于长期无位置更新状态; 否则, 所述调度归属寄存器确定所述终端当前所处 的状态与集群用户数据库 所述终端登记的状态相同; 鉴权应答发送模块,用于在所述终端状态确定模块确定所述终端当前所 处的状态后向所述调度控制中心返回鉴权应答, 并在所述鉴权应答中标示所 述终端当前所处的^ 态。 所述的系统, 其中, 所述调度归属寄存器还包括: 终端状态更新模块,用于当所述处于长期无位置更新状态或关机状态的 终端响应所述寻呼模块进行的寻呼时, 更新存储在集群用户数据库中所述终 端登记的状态, 并记录本次更新的时间戳。 本发明还公开了一种集群系统寻呼终端的方法, 其中, 包括如下步驟: 步骤一, 调度控制中心收到集群寻呼的起呼请求之后,发送鉴权请求给 调度归属寄存器; 步骤二,调度归属寄存器收到所述善权请求后, 判断欲寻呼的终端上一 次进行位置登记的时间与当前时间的间隔是否大于预先设定的时间阈值; 如 是, 则所述调度归属寄存器确定所述终端当前处于长期无位置更新状态; 否 则, 所述调度归属寄存器确定所述终端当前所处的状态与集群用户数据库中 登记的所述终端的状态相同; 步骤三, 调度归属寄存器向所述调度控制中心返回鉴权应答, 并在所述 筌权应答中标示所述终端当前所处的状态; 步驟四,调度控制中心接收所述鉴权应答后,对所述终端进行广播寻呼, 并当接收到所述终端发送的反向信令时, 判断发送所述反向信令的所述终端 在鉴权应答中返回的状态是否为长期无位置更新状态或关机状态; 如是, 则 所述调度控制中心向所述调度归属寄存器发起位置更新请求。 所述的方法, 其中, 还包括: 所述调度归属寄存器接收所述位置更新请 求, 并更新所述集群用户数据库中所述终端登记的状态和登记的时间戳的步 驟。 本发明还公开了一种集群调度子系统, 包括: 集群调度中心、调度归属 寄存器、 集群用户数据库, 其中, 所述调度控制中心包括: 鉴权请求发送模块, 用于在收到集群寻呼的起呼请求之后,发送鉴权请 求给调度归属寄存器; 广播寻呼模块,用于根据调度归属寄存器发送的鉴权应答对终端进行广 播寻呼; 反向信令接收模块, 用于接收终端发送的反向信令; 位置更新请求发送模块,用于当所述反向信令接收模块接收的所述反向 信令发自处于长期无位置更新状态或关机状态的终端时, 向所述调度归属寄 存器发起的位置更新请求; 所述调度归属寄存器包括: 鉴权请求接收模块, 用于接收所述鉴权请求发送模块发送的鉴权请求; 终端状态确定模块,用于在所述鉴权请求接收模块接收到所述鉴权请求 后, 判断欲寻呼的终端上一次进行位置登记的时间与当前时间的间隔是否大 于预先设定的时间阔值; 如是, 则所述调度归属寄存器确定所述终端当前处 于长期无位置更新状态; 否则, 所述调度归属寄存器确定所述终端当前所处 的状态与集群用户数据库中所述终端登记的状态相同; 鉴权应答发送模块,用于在所述终端状态确定模块确定所述终端当前所 处的状态后向所述调度控制中心返回鉴权应答, 并在所述鉴权应答中标示所 述终端当前所处的状态; 位置更新模块,用于接收所述位置更新请求发送模块发送的位置更新请 求, 更新所述终端登记的状态和登记的时间戳。 本发明的技术效果在于: 本发明通过在集群归属寄存器中预先设置时间阈值来判断终端是否处 于长时间无位置更新状态, 并通过在调度控制中心中预先设置寻呼次数门限 来限制对处于长时间无位置更新状态或关机状态的终端的寻呼次数, 来避免 当集群系统寄存器和终端的时间开关机^ 态不一致时造成的漏呼和 /或不必 要的寻呼造成的无线资源浪费。 附图说明 图 1为现有技术中数字集群系统的基本网络结构图; 图 2 为本发明实施例一的集群系统寻呼终端的方法流程图; 图 3为本发明实施例二的集群系统寻呼终端的方法流程图; 图 4 为本发明实施例一的集群调度子系统的结构示意图; 图 5为本发明是实施例二的集群调度子系统的结构示意图。 具体实施方式 为使本发明的目的、技术方案和优点更加清楚, 下面将结合附图及具体 实施例对本发明进行详细描述。 本发明通过在集群归属寄存器中预先设置时间阈值来判断被叫终端是 否为长时间未更新位置的终端, 且当该终端为长时间未更新位置的终端时, 用长时间无位置更新^ 态来标示该类终端。 图 2为本发明实施例―的集群系统寻呼终端的方法流程图。该实施例对 应的寻呼情况是, 在单呼或组呼中, 需要对终端单独寻呼的情况。 如图 2, 本发明实施例一的集群系统寻呼终端的方法包括如下步驟: 步驟 201 , 预先在调度归属寄存器中设置时间闹值和在调度控制中心设 置寻呼次数门限; 其中, 该时间阈值用于判断欲寻呼的终端是否为长时间无 位置更新的终端, 该寻呼次数门限用于限制调度控制中心对处于长时间无位 置更新状态或关机状态终端的寻呼次数; 步驟 202, 调度控制中心收到集群寻呼的起呼请求之后, 发送答权请求 给调度归属寄存器; 步驟 203 ,调度归属寄存器收到婆权请求后,读取预先设定的时间阔值、 该欲寻呼的终端上一次进行位置登记的时间戳和系统当前的时间, 并判断该 终端上一次位置登记的时间戳与系统当前时间的间隔是否大于该时间阐值; 如是, 则所述调度归属寄存器确定所述终端当前处于长期无位置更新状态; 否则 , 所述调度归属寄存器确定所述终端当前所处开关机状态与集群用户数 据库中保存的所述终端登记的状态相同, 为开机或关机状态; 步驟 204, 调度归属寄存器向调度控制中心返回鉴权应答, 并在所述鉴 权应答中标示所述终端当前所处的开关机状态, 例如可通过不同的状态值分 别标示终端当前所处的开关机状态, 包括: 开机、 关机和长期无位置更新状 态; 步驟 205 , 调度控制中心记录鉴权应答返回的终端的开关机状态的状态 值, 并对处于不同状态的终端实现不同的寻呼策略; 如对处于开机状态的终 端的寻呼策略同现有技术, 即持续寻呼直至终端响应, 然后结束流程; 对处 于长期无位置更新状态或关机状态的终端的寻呼策略为, 寻呼该终端, 然后 判断该终端是否响应了该寻呼; 如是, 则结束流程; 否则, 执行步骤 206; 步驟 206, 调度控制中心持续寻呼该终端, 并判断寻呼的次数是否达到 预先设定的寻呼次数门限; 如是, 则不再对该终端进行寻呼, 并结束流程; 否则, 执行步骤 207; 步驟 207, 调度控制中心继续寻呼该终端, 直至该终端响应该寻呼; 步骤 208, 调度控制中心将该终端接入呼叫, 并向集群调度归属寄存器 发起位置更新请求; 步骤 209, 集群调度归属寄存器发送位置更新应答至调度控制中心, 更 新存储在集群用户数据库中该终端的开关机状态,并记录本次更新的时间戳, 下次鉴权就以本次更新的状态为准。 在该实施例中,可通过在调度控制中心设置寻呼次数计数器来控制对长 期无位置更新状态或关机状态的终端的寻呼次数。 具体地, 在步骤 205中, 当调度控制中心对处于长期无位置更新状态或关机状态的终端进行寻呼时, 可启动该寻呼次数计数器; 如果终端没有立即响应, 则持续寻呼, 直到寻呼 计数器清零; 如果终端一直没有响应则不再对该终端寻呼, 结束流程; 否则, 系统将该终端接入呼叫。 图 3是在本发明实施例二的集群系统寻呼终端的方法流程图。该实施例 对应的寻呼情况是, 在组呼中, 对终端进行广播寻呼的情况。 如图 3 , 本发 明实施例二的集群系统寻呼终端的方法包括如下步骤: 步驟 301 , 预先在调度归属寄存器中设置时间阈值; 其中, 该时间阔值 用于判断欲寻呼的终端是否为长时间无位置更新的终端; 步驟 302与步骤 202相同; 步骤 303与步騍 203相同; 步-骤 304与步骤 204相同; 步骤 305 , 调度控制中心接收该鉴权应答, 记录鉴权应答返回的终端的 开关机状态的状态值, 并对终端进行广播寻呼; 步據 306, 当长期无位置更新或关机的终端处于开机状态并且在有信号 的区域时, 接收到调度控制中心发送的广播寻呼时, 该终端响应该寻呼并接 入到该呼叫中; 步骤 307, 该终端在集群调度归属寄存器进行申请话权, 查询群组状态 等操作, 并向调度控制中心发送反向信令; 步骤 308, 调度控制中心接收该反向信令, 并根据接收的鉴权应答判断 该终端鉴权返回的状态是否为长期无位置更新状态或关机状态; 如是, 则执 行步骤 309; 否则, 结束流程; 步骤 309, 调度控制中心向该调度归属寄存器发起位置更新请求; 步驟 310, 调度归属寄存器发送位置更新应答至调度控制中心, 并更新 该终端在集群用户数据库中登记的状态和登记的时间戳,以备下次鉴权使用。 本发明的该实施例中, 寻呼方式为广播寻呼, 由于在广播寻呼中, 调度 控制中心在发送寻呼时对终端开关机状态不作判断, 所以, 调度中心不对终 端进行寻呼次数的控制 , 而是通过将长期无位置更新的终端设置为长期无位 置更新状态, 并通过判断是否接收到发自处于长期无位置更新状态和关机状 态的终端的反向信令, 来及时更新终端的状态, 这样就使得在下次呼叫能及 时得知终端实际所处的开关机状态, 从而避免了由于集群系统中保存的终端 ^犬态与终端实际所处的开关机状态不同而造成的漏呼。 图 4为本发明实施例一的集群调度子系统的结构示意图。 如图 4, 本发 明一实施例的调度子系统 401包括:调度控制中心 402、调度归属寄存器 403、 集群用户数据库 404, 其特征在于, 所述调度控制中心 402包括: 权请求发送模块 410 , 用于在收到集群寻呼的起呼请求之后, 发送签 权请求给调度归属寄存器; 寻呼模块 408, 用于根据所述调度归属寄存器发送的鉴权应答对处于长 期无位置更新状态或关机状态的终端进行单独寻呼; 寻呼结束判断模块 409 , 用于当所述终端未响应所述寻呼模块 408进行 的单独寻呼时, 持续寻呼, 并当寻呼的次数达到预先设定的次数门限而所述 终端仍未响应时, 结束^ "所述终端的寻呼; 所述调度归属寄存器 403包括: 鉴权请求接收模块 405 , 用于接收鉴权请求发送模块 410发送的鉴权请 求; 终端状态确定模块 406, 用于在鉴权请求接收模块 405接收到所述鉴权 请求后, 判断欲寻呼的终端上一次进行位置登记的时间与当前时间的间隔是 否大于预先设定的时间阁值; 如是, 则所述调度归属寄存器确定所述终端当 前处于长期无位置更新状态; 否则, 所述调度归属寄存器确定所述终端当前 所处的状态与集群用户数据库 404中所述终端登记的状态相同; 鉴权应答发送模块 407 , 用于在所述终端状态确定模块 406确定所述终 端当前所处的状态后向所述调度控制中心 402返回鉴权症答, 并在所述鉴权 应答中标示所述终端当前所处的状态; 进一步地, 本发明实施例的所述系统中, 所述调度归属寄存器还包括: 终端状态更新模块,用于当所述处于长期无位置更新状态或关机状态的 终端响应所述寻呼模块进行的寻呼时, 更新存储在集群用户数据库中所述终 端登记的状态, 并记录本次更新的时间戳。 图 5为本发明实施例二的集群调度子系统的结构示意图。 如图 5 , 本发 明实施例二的集群调度子系统 501 包括: 调度控制中心 502、 调度归属寄存 器 503、 集群用户数据库 504, 其中, 所述调度控制中心 502包括: 鉴权请求发送模块 510, 用于在收到集群寻呼的起呼 求之后, 发送鉴 权请求给调度归属寄存器; 广播寻呼模块 509, 用于根据调度归属寄存器发送的鉴权应答对终端进 行广播寻呼; 反向信令接收模块 511, 用于接收终端发送的反向信令; 位置更新请求发送模块 512, 用于当所述反向信令接收模块接收的所述 反向信令发自处于长期无位置更新状态或关机状态的终端时, 向所述调度归 属寄存器发起的位置更新请求; 所述调度归属寄存器 503包括: 莶权请求接收模块 505, 用于接收所述鉴权请求发送模块发送的鉴权请 求; 终端状态确定模块 506 , 用于在所述鉴权请求接收模块接收到所述鉴权 请求后, 判断欲寻呼的终端上一次进行位置登记的时间与当前时间的间隔是 否大于预先设定的时间阔值; 如是, 则所述调度归属寄存器确定所述终端当 前处于长期无位置更新^)夫态; 否则, 所述调度归属寄存器确定所述终端当前 所处的状态与集群用户数据库中所述终端登记的状态相同; 鉴权应答发送模块 507, 用于在所述终端状态确定模块确定所述终端当 前所处的状态后向所述调度控制中心返回鉴权应答, 并在所述鉴权应答中标 示所述终端当前所处的状态; 位置更新模块 508, 用于接收所述位置更新请求发送模块发送的位置更 新请求, 更新所述终端登记的状态和登记的时间戳。 才艮据本发明的实施例中,开机且长期在线呼叫的终端可能由于没有定时 位置登记消息, 也被归入长时间无位置更新的终端类, 对应此类的终端, 本 发明方法的处理也比较合适, 即对其呼叫, 但并不一直呼叫。 本发明的技术方案简单可行, 易于推广, 能够有效解决因集群系统寄存 器中存储的终端登记的开机状态与终端实际的开关机状态不一致造成的漏呼 W 200 和不必要的寻呼造成的无线资源的浪费问题。 以上所述仅是本发明的优选实施方式,应当指出,对于本技术领一域的量 通技术人员来说, 在不脱离本发明原理的前提下, 还可以作出若干改进和润 饰, 这些改进和润饰也应视为本发明的保护范围。

Claims

权 利 要 求 书 一种集群系统寻呼终端的方法, 其特征在于, 包括如下步骤:
步骤一, 调度控制中心收到集群寻呼的起呼请求之后, 发送鉴权 请求给调度归属寄存器;
步驟二, 调度归属寄存器收到所述鉴权请求后, 判断欲寻呼的终 端上一次进行位置登记的时间与当前时间的间隔是否大于预先设定的 时间阈值; 如是, 则所述调度归属寄存器确定所述终端当前处于长期 无位置更新状态; 否则, 所述调度归属寄存器确定所述终端当前所处 的状态与集群用户数据库中登记的所述终端的状态相同;
步骤三, 调度归属寄存器向所述调度控制中心返回鉴权应答, 并 在所述鉴权应答中标示所述终端当前所处的状态;
步骤四, 调度控制中心接收所述鉴权应答后, 对处于长期无位置 更新^ ί态或关机状态的终端进行单独寻呼,并判断所述终端是否响应; 如是, 则结束流程; 否则, 持续寻呼, 并判断寻呼的次数是否已达到 预定的寻呼次数门限, 如是, 则结束流程, 否则, 继续寻呼, 直至所 述终端响应。 根据权利要求 1所述的方法, 其特征在于, 还包括: 在所述调度归属 寄存器中预先设置所述时间阈值的步驟。 根据权利要求 1所述的方法, 其特征在于, 还包括: 在所述调度控制 中心预先设置所述寻呼次数门限的步骤。 根据权利要求 1所述的方法, 其特征在于, 在所述步骤四中, 所述调 度控制中心通过寻呼次数计数器来判断寻呼的次数是否已达到预定的 寻呼次数门限。 才艮据权利要求 1所述的方法, 其特征在于, 在所述步骤四中, 所述处 于长期无位置更新状态或关机状态的终端响应所述寻呼后, 还包括: 所述调度归属寄存器更新存储在集群用户数据库中所述终端登记的状 态, 并¾录本次更新的时间戳。 一种集群调度子系统, 包括: 调度控制中心、 调度归属寄存器、 集群 用户数据库, 其特征在于,
所述调度控制中心包括:
鉴权请求发送模块, 用于在收到集群寻呼的起呼请求之后, 发送 鉴权请求给调度归属寄存器;
寻呼模块, 用于根据所述调度归属寄存器发送的鉴权应答对处于 长期无位置更新状态或关机状态的终端进行单独寻呼;
寻呼结束判断模块,用于当所述终端未响应所述寻呼模块进行的 单独寻呼时, 持续寻呼, 并当寻呼的次数达到预先设定的次数门限而 所述终端仍未响应时, 结束对所述终端的寻呼;
所述调度归属寄存器包括:
鉴权请求接收模块, 用于接收所述鉴权请求发送模块发送的婆权 请求;
终端状态确定模块, 用于在所述鉴权请求接收模块接收到所述鉴 权请求后, 判断欲寻呼的终端上一次进行位置登记的时间与当前时间 的间隔是否大于预先设定的时间阈值; 如是, 则所述调度归属寄存器 确定所述终端当前处于长期无位置更新状态; 否则, 所述调度归属寄 存器确定所述终端当前所处的状态与集群用户数据库中所述终端登 i己 的状态相同;
鉴权应答发送模块, 用于在所述终端状态确定模块确定所述终端 当前所处的状态后向所述调度控制中心返回鉴权应答, 并在所述鉴权 应答中标示所述终端当前所处的状态。 根据权利要求 6所述的系统, 其特征在于, 所述调度归属寄存器还包 括:
终端状态更新模块, 用于当所述处于长期无位置更新状态或关机 状态的终端响应所述寻呼模块进行的寻呼时, 更新存储在集群用户数 据库中所述终端登记的状态, 并记录本次更新的时间戳。 一种集群系统寻呼终端的方法, 其特征在于, 包括如下步骤:
步驟一 , 调度控制中心收到集群寻呼的起呼请求之后, 发送鉴权 请求给调度归属寄存器; 步骤二, 调度归属寄存器收到所述鉴权倚求后, 判断欲寻呼的终 端上一次进行位置登记的时间与当前时间的间隔是否大于预先设定的 H司阈值; 如是, 则所述调度归属寄存器确定所述终端备前处予长期 无位置更新状态; 否则, 所述调度归属寄存器确定所述终端当前所处 的状态与集群用户 据库中登记的所述终端的状态相同;
步骤三, 调度归属寄存器向所述调度控制中心返回鉴权应答, 并 在所述鉴权应答中标示所述终端当前所处的状态;
步骤四, 调度控制中心接收所述鉴权应答后, 对所述终端进行广 播寻呼, 并当接收到所述终端发送的反向信令时, 判断发送所述反向 信令的所述终端在鉴权应答中返回的状态是否为长期无位置更新状态 或关机状态; 如是, 则所述调度控制中心向所述调度归属寄存器发起 位置更新请求。
9. 根据权利要求 8所述的方法, 其特征在于, 还包括: 所述调度归属寄 存器接收所述位置更新请求, 并更新所述集群用户数据库中所述终端 登记的状态和登记的时间戳的步骤。
10. 一种集群调度子系统, 包括: 集群调度中心、 调度归属寄存器、 集群 用户数据库, 其特征在于,
所述调度控制中心包括:
鉴权请求发送模块, 用于在收到集群寻呼的起呼请求之后, 发送 鉴权请求给调度归属寄存器; 广播寻呼模块, 用于根据调度归属寄存器发送的鉴权应答对终端 进行广播寻呼;
反向信令接收模块, 用于接收终端发送的反向信令; 位置更新请求发送模块, 用于当所述反向信令接收模块接收的所 述反向信令发自处于长期无位置更新状态或关机状态的终端时, 向所 述调度归属寄存器发起的位置更新请求;
所述调度归属寄存器包括:
鉴权请求接收模块,用于接收所述鉴权请求发送模块发送的鉴权 请求;
终端状态确定模块,用于在所述鉴权请求接收模块接收到所述签 权请求后, 判断欲寻呼的终端上一次进行位置登记的时间与当前时间 的间隔是否大于预先设定的时间阈值; 如是, 则所述调度归属寄存器 确定所述终端当前处于长期无位置更新状态; 否则, 所述调度归 Μ 存器确定所述终端当前所处的状态与集群用户数据库中所述终端登记 的状态相同;
鉴权应答发送模块,用于在所述终端状态确定模块确定所述终端 当前所处的状态后向所述调度控制中心返回鉴权应答, 并在所述鉴权 应答中标示所述终端当前所处的状态;
位置更新模块, 用于接收所述位置更新请求发送模块发送的位置 更新请求, 更新所述终端登记的状态和登记的时间戳。
PCT/CN2007/003454 2007-09-20 2007-12-05 A method of a cluster system paging a terminal and a dispatching sub-system thereof Ceased WO2009036620A1 (en)

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