CN100384292C - Method for implementing point to point calls for alone station - Google Patents

Method for implementing point to point calls for alone station Download PDF

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CN100384292C
CN100384292C CN 200410037920 CN200410037920A CN100384292C CN 100384292 C CN100384292 C CN 100384292C CN 200410037920 CN200410037920 CN 200410037920 CN 200410037920 A CN200410037920 A CN 200410037920A CN 100384292 C CN100384292 C CN 100384292C
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mobile station
station
base station
message
called
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CN 200410037920
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CN1697544A (en )
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夏志立
黄兴旺
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华为技术有限公司
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Abstract

本发明公开了一种孤站点对点呼叫的实现方法,在基站中设置移动台的MSISDN和IMSI的对应关系表,并包括:主叫移动台向基站发送包含有被叫MSISDN的层三点对点业务呼叫请求消息;基站通过所述对应关系表查询该被叫MSISDN对应的IMSI;基站广播包含有当前IMSI的寻呼消息;被叫移动台收到寻呼消息后,向基站发送含有自身IMSI的寻呼响应业务请求消息;基站收到寻呼响应业务请求消息后,确定所对应的主叫移动台,为主叫和被叫移动台分别分配业务信道,并进行信道接续后,分别向主叫和被叫移动台发送移动台接续成功的通知消息。 The present invention discloses a method for implementing a solitary point to point call, the mobile station provided MSISDN and IMSI correspondence table in the base station, and comprising: a calling mobile station transmits to the base station containing the called MSISDN layer three-point service call request message; page itself contains the IMSI of the called mobile station receives the paging message, to the base station; the base station by the correspondence table corresponding to a query for the called MSISDN IMSI; IMSI contains the current base station broadcasts a paging message in response to the service request message; after receiving the paging response to a base station service request message, determining a corresponding originating mobile station, the calling and called mobile stations are assigned traffic channel, and a channel connection, respectively, to the calling and the the mobile station transmits mobile station called successful continuation of the notification message. 从而实现了孤站情况下的点对点业务呼叫,使基站在传输断链的情况下,仍能够提供基本通信业务。 Thereby achieving the service call point station solitary case, the base station in the case where the transmission chain scission, still provide the basic communication services.

Description

一种孤站点对点呼叫的实现方法技术领域本发明涉及移动网络的业务呼叫方法,特别是指一种孤站点对点呼叫的实现方法。 One kind of solitary station implemented method Technical Field The present invention relates to a call point call service method of a mobile network, in particular the implementation of a call point station refers to a lone. 背景技术采用集群专网建设思路发展集群通讯网络,由于技术和制试不一,各集团独立建设,容易形成各自为政的建设局面,导致频率利用效率低下,网络建设成本和网络维护费用高等弊端。 BACKGROUND special network building ideas using cluster development cluster communication network, due to technical and system test varies, each group independent construction, easy to form fragmented situation of construction, resulting in low frequency utilization efficiency, the cost of network construction and network maintenance cost disadvantages. 随着集群通讯技术由模拟向数字发展, 集群网络建设呈现出由独立专网建设向集群公网建设方向发展的趋势。 With the trunking communication technology from analog to digital, network construction presents cluster to cluster development in the direction of public construction by an independent private network construction trends. 由于全球移动通信系统(GSM)系统技术体制先进,在全世界范围内具有最为广泛的用户基础,并且欧洲已制定出一套用于铁路移动通信的国际标准全球铁路移动通信系统(GSM-R),它以GSM通信技术作为业务承载,能够提供增强多级优先与抢占(eMLPP)业务、话音组呼业务(VGCS)和话音广播业务(VBS)等基本集群通信业务。 Due to the advanced Global System for Mobile Communications (GSM) system technology system, has the most extensive user base worldwide, and Europe has to develop an international standard Global System for Mobile Communications Railway (GSM-R) for a railway mobile communications, it bearer service as a GSM communication technology, capable of providing enhanced multi-level precedence and preemption (the eMLPP) services, voice group call service (the VGCS) and voice broadcast service (VBS) and other basic trunk communication services. 因此,发展基于GSM的数字集群系统不仅适合我国国情,还具备很好的技术基础。 Therefore, the development of GSM digital trunking system based not only suitable for China, but also have a good technical foundation. 由于蜂窝系统的固有网络结构特点具有基站站点多、分布广,并且基站至基站控制器的物理连接复杂,中间往往要经过传输设备的中继转接,加上传输设备的多样性,维护人员素质参差不齐,因此很难保证所有基站至基站控制器的传输总是保持正常连接状态,GSM体制下基站与基站控制器之间的接口,即Abis接口传输断链时有发生。 Because of the inherent structural features of a cellular network system having a base station site, widely distributed, and the base station is connected to the base station controller a physical complex, often after an intermediate relay transmission device adapter, with the transmission diversity apparatus, maintenance personnel quality uneven, it is difficult to ensure that all base stations the transmitting base station controller always remains a normal connection state, the interface between the GSM system base stations and base station controllers, i.e. when the Abis interface transmission chain scission occurred. 通常,服务于大众的GSM公网建设和服务于公安、消防以及各政府部门的基于GSM系统的集群公网建设对于基站服务的可获得性要求不同, GSM公网服务于大众,因基站传输断链而中断业务时, 一般不会造成很大 In general, in the public service of the public GSM network construction and service availability requirements of police, fire and various government departments cluster-based public system for the construction of GSM base stations of different services, GSM public network services to the public, due to the transfer station off chain and business interruption, usually does not cause significant

损失,且由于GSM公网服务不存在区域范围特征,即用户一般要呼叫的对象与其在同一基站覆盖下的区域几率不大,因此,GSM公网对亍基站在Abis 接口传输断链情况下提供业务的需求不是很迫切。 Loss, and due to regional characteristics GSM public network service does not exist, i.e. the object is generally to call users in its coverage area of ​​the same base station is not likely under, therefore, the right foot on the GSM public network base station provides Abis interface transmission chain scission in the case of business needs is not very urgent. 而像集群业务这样的特殊业务由于存在明显的区域特征,即用户要呼叫的对象与其在同一基站覆盖下的区域几率较大,往往在某个区域内有效,如:某些部门集群业务很可能仅限于某个或某几个基站覆盖的区域,集群部门业务的可获得性直接关系到集群部门业务的正常开展, 一旦业务间断,可能会造成不可挽回的损失。 And the object trunking service such as special service areas due to the significant features, i.e. a call to the user in the region of its base stations cover the same probability of a large, often effective in a certain area, such as: some sectors are likely to cluster operations area in one or a few base station coverage is limited, the availability of departmental business cluster is directly related to the normal conduct of business clusters sector, once the service interruption may cause irreparable damage. 因此,如何使基站在传输断链情况下仍然能够为像集群业务这样的对网络服务质量要求较高的业务提供基本的通信保障,从而保证集群部门工作的正常开展是一个急待解决的问题。 So, how to make the base station is still able to provide basic security for communications such as trunking service quality of the network service business requires a higher transmission chain scission in the case, in order to ensure the normal development of the cluster sector is a pressing problem. 发明内容有鉴于此,本发明的主要目的在于提供一种孤站点对点呼叫的实现方法,实现孤站中移动台之间的点对点业务呼叫,使基站即使在传输断链的情况下,仍然能够提供基本通信业务。 SUMMARY OF THE INVENTION Accordingly, the main object of the present invention to provide a method for implementing a solitary point to point call, point to point call between the service station lone mobile station that the base station even in the case where the transmission chain scission still provide substantially communication services. 本发明提供的一种孤站点对点呼叫的实现方法,在基站中设置其所辖服务小区内移动台的移动台号码和用户标识的对应关系表,并包括以下步骤:a) 基站广播进入孤站运行模式的系统消息,主叫移动台向基站发送包含有被叫移动台号码的层三点对点业务呼叫请求消息;b) 基站收到层三点对点业务呼叫请求消息后,通过移动台号码和用户标识的对应关系表查询当前被叫移动台号码对应的用户标识;c) 基站在其所辖服务小区内广播包含有当前用户标识的寻呼消息;d) 移动台收到寻呼消息后,判断该寻呼消息中的用户标识是否为自身的用户标识,如果是,则移动台向基站发送包含有自身用户标识的寻呼响应业务请求消息,进入步骤e),否则,移动台不作任何响应;e) 基站收到寻呼响应业务请求消息后,根据该消息中提供的用户标识确定请求与该被叫移动 A method to realize the present invention provides isolated point station calls, the mobile station is provided a correspondence table of the user identification number and the mobile stations within its jurisdiction in a base station serving a cell, and includes the following steps: a) the base station broadcasting station into the lone system message operation mode, the mobile station transmits a calling to the called mobile station the base station with a layer of a three-point number service call request message; b) after the base station receives a layer three-point service call request message, by a mobile station identification number and user correspondence table of the current query called mobile station identification number corresponding to the user; c) comprises a base station broadcasts a paging message to the current user ID in its jurisdiction serving cell; D) after the mobile station receives the paging message, determining the a user identifier in the paging message its own subscriber identity whether, and if so, the mobile station transmits a user identifier to the base station has its own paging message in response to the service request, proceeds to step E), otherwise, the mobile station does not make any response; E ) after the base station receives a paging message in response to the service request, the identifier of the message according to the user provided with the called mobile is determined request 建立呼叫连接的主叫移动台,基站为主叫和被叫移动台分别分配业务信道,并进行信道接续后,分别向主叫和被叫移动台发送移动台接续成功的通知消息。 After establishing a call connection originating mobile station, the base station calling and called mobile stations are assigned traffic channel, and a channel connection, each message calling and called mobile station sends the mobile station notifies the successful connection. 该方法所述步骤a)前进一步包括:基站实时检测Abis接口传输,判断是否正常,如果是,则保持网络正常运行模式,否则,基站在BCCH信道上广播进入孤站运行模式的系统消息。 The method according to step a) before further comprising: a real-time detection Abis interface a base station transmission, whether or not normal, if so, to maintain normal network operation mode, otherwise, the base station into the operating mode of the system message solitary station broadcast channel BCCH. 该方法所述基站周期性地广播所述进入孤站运行模式的系统消息。 The method of the base station periodically broadcasts the message into the system isolated operation mode station. 该方法进一步包括移动台位置更新过程:A. 移动台向基站发送包含有自身移动台号码和用户标识的完全层三位置更新业务请求消息;B. 基站将收到的完全层三位置更新业务请求消息中的移动台号码和用户标识保存在所述移动台号码和用户标识对应关系表中;C. 基站向该移动台返回位置更新接受消息。 The method further includes a mobile station location update procedure: A mobile station transmits to the base station with its own number and the mobile station complete layer three location update identifies the user service request message; base station B entirely received three layer location update service request. message in a mobile station number and user identification number stored in the mobile station and the user identifier correspondence table;. C base station to the mobile station returns a location update accept message. 该方法步骤A所述移动台发送所述完全层三位置更新业务请求消息的同时进一步包括:移动台启动孤站运行模式位置更新定时器;如果孤站运行模式位置更新定时器超时后,移动台仍未收到基站返回的所述位置更新接受消息,则返回步骤A。 Step A the mobile station transmitting the location update complete layer three service request message and further comprising: a mobile station starts operating mode solitary location update timer; lone station mode of operation if a location update timer expires, the mobile station not received the location update accept message returned from the base station, then the process returns to step A. 该方法所述位置更新过程是在移动台进入孤站运行模式的初始阶段进行, 和/或在进入孤站运行模式后周期性进行。 This method is the location update process in the mobile station enters the solitary operation mode the initial stage, and / or periodically after entering the isolated stations operating mode. 该方法步骤b)所述查找当前被叫移动台号码对应用户标识的过程进一步包括,判断是否找到,如果是,则向主叫移动台返回呼叫请求确认消息,进入步骤c),否则,向主叫移动台返回呼叫请求拒绝消息,结束流程。 The method step b) the current lookup procedure called mobile station identification number corresponding to the user further comprises determining whether to find, if yes, the mobile station returns to the calling call request acknowledgment message, proceeds to step C), otherwise, the main called mobile station returns a call request rejection message, the process ends. 该方法步骤c)所述基站向移动台广播寻呼消息的同时进一步包括:基站启动孤站运行模式寻呼响应定时器;如果孤站运行模式寻呼响应定时器超时后,基站仍未收到所述被叫移动台返回的寻呼响应业务请求消息,则基站向主叫移动台发送呼叫请求拒绝消息。 The method step c) the base station to the mobile station simultaneously broadcast paging message further comprising: a base station mode of operation starting solitary paging response timer; lone station mode of operation if the paging response timer expires, the base station has not yet received paging the called mobile station returns a service request response message, the base station transmits a call request rejection message to the calling mobile station.

该方法步骤a)所述移动台发送层三点对点业务呼叫请求消息前进一步包括:主叫移动台进行信道接入过程;步骤d)所述被叫移动台向基站发送寻呼响应业务请求消息前进一步包括: 被叫移动台进行信道接入过程。 Before the method step a) the mobile station transmits the layer of three-point service call request message further comprises: the originating mobile station channel access procedure; step d) of the called mobile station to the base station sends a paging message in response to the service request before further comprising: the called mobile station channel access procedure. 该方法所述主叫移动台接入的业务信道和被叫移动台接入的业务信道采用相同的信道模式。 A traffic channel which the calling mobile station accesses the traffic channel and the called mobile stations use the same access channel mode. 该方法步骤d)所述移动台向基站发送包含有自身用户标识的寻呼响应业务请求消息前进一步包括:移动台向基站发送寻呼响应消息。 The method step d) includes the mobile station transmits its own user paging identifier to the base station before the service request response message further comprising: a mobile station sends a paging response message to the base station. 该方法步骤e)所述基站根据寻呼响应业务请求消息提供的用户标识确定请求与该被叫移动台建立呼叫连接的主叫移动台的过程具体包括:基站在所述移动台号码和用户标识对应关系表中查找当前被叫用户标识对应的移动台号码,根据该移动台号码确定请求与该被叫移动台建立呼叫连接的主叫移动台。 The method step e) the base station according to the paging message in response to the service request provided by the user identification process to determine the originating mobile station requesting to establish a call connection with the called mobile station comprises: a base station at the mobile station identification number and user correspondence relationship table of the current number of the mobile station corresponding to the called user ID, the mobile station number specifying the originating mobile station requesting to establish a call connection with the called mobile station in accordance with. 该方法步骤e)所述基站向主叫和被叫移动台发送的移动台接续成功通知消息为CONNECT消息。 Mobile station in the method step e) the base station transmits to the calling and called mobile station connection success notification message CONNECT message. 该方法步骤e)后进一步包括:移动台收到所述CONNECT消息后,向用户发送可以开始讲话的提示信息。 This process step e) After further comprising: a mobile station after receiving the CONNECT message, sends an alert message to the user may begin speaking. 该方法所述移动台号码为移动台国际ISDN号码MSISDN,所述用户标识为IMSI或经过一定转换后的标识码。 The method of the mobile station number is a Mobile Station International ISDN Number MSISDN, IMSI identification code identifies the user or after a certain after conversion. 从上面所述可以看出,本发明提供的孤站点对点呼叫的实现方法,通过在基站中建立移动台的移动台国际ISDN号码(MSISDN)和国际移动用户标识(IMSI)对应关系,并由基站根据呼叫请求建立主叫和被叫移动台之间的点对点信道接续等技术手段,实现了孤站情况下的点对点呼叫。 As can be seen from the above, the implementation of the present invention provides isolated point to point call by establishing a Mobile Station International ISDN number of the mobile station (MSISDN) in the base station and the international mobile subscriber identity (IMSI) corresponding relation, by the base station establishing point channel between the calling and the called mobile station connection and other technical means according to the call request, the call point realized in the case of isolated stations. 从而提供了一种新的基站工作模式,使基站在Abis接口传输中断的情况下,仍然能够提供点对点的基本通信业务。 Thereby providing a new base station mode of operation, in case that the base station Abis interface transmission interruptions, still provide the basic communication service point. 使集群部门业务这一类对网络服务质量有特殊要求的业务,不会因为该基站Abis接口传输问题而完全中断,保证集群部门工作的正常开展,避免了业务中断带来的损失。 The business sector cluster in this category have special requirements for quality of network services business, not because of the base station Abis interface transfer problem completely interrupted to ensure the normal development of the cluster sector, to avoid losses caused by business interruption.

附图说明图1为本发明实施例的位置更新过程示意图;图2为本发明实施例集群业务孤站点对点呼叫过程示意图。 BRIEF DESCRIPTION location update procedure of FIG. 1 a schematic embodiment of the present invention; FIG. 2 is a schematic diagram solitary point to point trunking service call process embodiment of the present invention. 具体实施方式下面结合附图及具体实施例对本发明再作进一步详细的说明。 Specific embodiments of the present disclosure is further described in detail specific embodiments and the accompanying drawings below. 本发明的思路是为基站提供两种运行模式:网络运行模式和孤站运行模式。 Idea of ​​the present invention is to provide two modes of operation of the base station: the network operation mode and operating mode lone station. 基站对其Abis接口传输保持不断的检测,并根据检测到的Abis接口传输状态确定本基站的当前运行模式,当基站Abis接口传输正常时,基站处于网络运行模式,提供正常的业务;当基站Abis接口传输断链时,基站切换为孤站运行模式,提供最为基本的点对点通信业务,另外还可以提供其它业务,其它业务不在本发明描述之列。 The base station continuously maintained its Abis interface transmission is detected, and determines the current mode of operation of the base station according to the present Abis interface transmission state is detected, when the base station transmitting normal Abis interface, the base station in the network operation mode, to provide normal service; when the base station Abis when the interface transmission chain scission, base station handover is a lone operating mode, providing the most basic point to point communication services, also can provide other services, other services are not described in the present invention are shown. 基本点对点通信业务的实现方案为在孤站运行模式下,移动台通过发起位置更新流程,给基站提供自身移动台号码和用户标识信息,基站中保持本基站覆盖范围内的所有移动台号码和其用户标识对应关系表;当需要进行点对点呼叫时,基站通过移动台上报的被叫移动台号码信息,查询存储的移动台号码和其用户标识对应关系信息表,得到被叫的用户标识信息,并通过在本基站所有服务小区中发起用户标识寻呼方式的寻呼过程,建立点对点的呼叫接续。 Implementation basic point communication service is in solitary station operating mode, mobile station initiates a location update procedure, to the base station that provides its own mobile station number and the user identification information, to keep all mobile stations numbers within the present coverage of base stations and their base station user identifier correspondence table; when a call point is required, the base station reported by the mobile station called mobile station number information, the mobile station number stored in the query its user identification and correspondence information table to obtain the identification information of the called user, and user identification by initiating paging paging process in the present embodiment all base stations serving cells in the establishment of point to point call connection. 其中,所述移动台号码为MSISDN,所述用户标识为IMSI或经过一定转换后的标识码,转换标识码和IMSI码具有——对应关系,且网络侧和移动台侧采用相同的转换方式。 Wherein the mobile station number is the MSISDN, IMSI or the user ID is the identification code after a certain conversion, and converts the IMSI code having - a correspondence relationship, and the network side and the mobile station-side the same conversion. 参见图1、图2所示,以基于GSM数字集群系统的孤站点对点呼叫为例,对本发明方案进行详细说明。 Referring to Figure 1, shown, lone station GSM based digital trunking system call point as an example in FIG. 2, of the embodiment of the present invention will be described in detail. 参见图1所示,本发明在基站内部保存的MSISDN和IMSI对应关系表, 通常,当基站进入孤站运行模式的初始阶段需要对该对应关系表进行更新, 其具体过程如下: Referring to FIG. 1, the present invention is stored in the interior of the base station corresponding to the IMSI and MSISDN table, typically, when the base station into the lone operating mode needs to be updated to the initial stage of the correspondence table, the specific process is as follows:

步骤IOI,基站检测Abis接口传输,当检测到传输断链,基站进入孤站运行模式。 IOI step, the base station detects Abis interface transmission, when the transmission is detected scission into the lone base station mode of operation. 步骤102,基站在BCCH信道上广播系统消息,通知移动台已进入孤站运行模式,该系统消息在BCCH信道上进行周期性的广播。 Step 102, the base station to broadcast system information on the BCCH channel, inform the mobile station has entered solitary station mode of operation, the system periodically broadcasts the message on the BCCH channel. 步骤103,移动台收到该BCCH信道上的表明基站处于孤站运行模式的系统消息后,移动台进入孤站运行模式。 After step 103, the mobile station receives the BCCH channel message indicates that the base station is in a system isolated operation mode station, mobile station enters a lone operating mode. 由于移动台位置变化等原因,基站所辖服务区内移动台的数目和信息经常发生改变,因此需要及时更新MSISDN和IMSI对应关系表,以下为位置更新过程:步骤104,移动台发起位置更新流程,即通过完全层三位置更新业务请求消息向基站发起位置更新请求,在该消息中向基站提供IMSI和MSISDN 信息,并同时启动孤站运行模式位置更新定时器。 Due to the position of the mobile station changes, the number of service area under the jurisdiction of a base station and information of the mobile station is changed frequently, it is necessary to update the MSISDN and IMSI correspondence table, the following is a location update process: Step 104, the mobile station initiates a location update procedure , i.e. a request by the three-position fully layer update service message to the base station initiates a location update request, providing the IMSI and MSISDN information to the base station in the message, and simultaneously start the lone operating mode station location update timer. 步骤105,基站从收到的完全层三位置更新业务请求消息中取出IMSI 信息和MSISDN信息,保存在MSISDN和IMSI对应关系表中。 Step 105, the base station received from the full layer information and the MSISDN IMSI information extracted three location update message service request, IMSI and MSISDN stored in the correspondence table. 步骤106,基站给移动台发送位置更新接受消息,确认位置更新成功, 位置更新过程结束。 Step 106, the base station to the mobile station sends a location update accept message, confirm a successful location update, location update procedure ends. 如果移动台在孤站运行模式位置更新定时器超时之前仍然收不到基站返回的位置更新确认消息,则延迟一段时间后,再次发起位置更新过程,即重复执行步骤104 ~ 106。 If the mobile station to update timer timeout solitary station mode of operation the position is still not received before the base station returns an update location acknowledgment message, then after a delay, again initiates a location update procedure, i.e. steps 104 to 106 are repeatedly performed. 由于基站所辖移动台数目较多,在进行位置更新时可能会经常发生碰撞的情况,造成一些移动台的位置更新请求无法被及时处理,因此,这里需要这些移动台延迟一段时间后,再次发起位置更新过程。 As more number of base stations under the jurisdiction of the case of a mobile station, collisions may occur frequently during location update, resulting in some of the mobile station location update request can not be processed in time, therefore, there is need for these mobile stations after a time delay, launch again location update process. 并且,为了减小移动台位置更新请求碰撞的发生几率,可以设置所延迟的一段时间不固定,使该延迟时间通过一定的算法随机产生。 Further, in order to reduce the chance of the mobile station location update request collision, the delay may be provided a period of time is not fixed, so that the delay time is randomly generated through a certain algorithm. 另外,后续进入该基站覆盖范围内的移动台,接收BCCH信道上周期性广播的孤站运行系统消息后,也需发起位置更新过程,给基站提供IMSI和MSISDN信息。 After the addition, the subsequent mobile stations within the base station into the coverage area, the station receives a lone Runtime periodically broadcast channel BCCH message also needs to initiate a location update process, providing the IMSI and MSISDN information to the base station.

上面所述位置更新过程是在移动台进入孤站运行模式后的初始阶段,以及孤站运行模式位置更新定时器超时后发起的后续位置更新过程。 The above is the location update process in the initial stage after the mobile station enters a lone station mode of operation, and the isolated station location update timer mode of operation initiated by a timeout subsequent location update procedure. 除此以外,为了使基站内部的MSISDN和IMSI对应关系表得到及时和可靠的更新, 还可以要求移动台周期性地发起位置更新过程。 In addition, in order to make the interior of the base stations MSISDN and IMSI mapping table updates prompt and reliable, but also requires the mobile station to periodically initiate a location update procedure. 参见图2所示,在孤站运行模式下,移动台可以发起点对点呼叫,其具体过程如下:步骤201,移动台发起点对点呼叫,即在完成信道接入后,移动台向基站发送层三点对点业务请求消息,该消息中携带有被叫用户的MSISDN号码。 Referring to FIG. 2, in the isolated operation mode station, the mobile station may initiate a call-point, the specific process is as follows: Step 201, the mobile station initiates a call point, i.e. after the completion of the channel access, the mobile station transmits to the base layer three point a service request message, the message carries the called subscriber's MSISDN number. 其中,这里信道接入过程与GSM系统的现有信道接入过程相同。 Wherein, the same conventional channel access procedure where access channel procedure with the GSM system. 步骤202,基站收到层三点对点业务请求消息后,根据消息中被叫用户的MSISDN号码查询本地MSISDN和IMSI对应关系表,如果对应关系表中存在被叫的MSISDN号码,则可以得到该号码对应的IMSI信息,向发送请求消息的主叫移动台发送呼叫请求确认消息;否则,如果基站所存储的MSISDN和IMSI对应关系表中没有该MSISDN号码,则直接给主叫移动台发送呼叫业务请求拒绝消息,结束流程。 Step 202, the base station receives a layer three-point service request message, in the message to the called subscriber's MSISDN number MSISDN and IMSI queries the local mapping table, if a corresponding MSISDN number of the called relation table is present, can be obtained corresponding to the number the IMSI information, the calling mobile station transmits a request message to send a call request acknowledgment message; otherwise, if the base station's MSISDN and IMSI is stored in the correspondence table is not the MSISDN number, the service sends a call request rejection directly to the calling mobile station news, the end of the process. 步骤203,基站发起寻呼过程,即向基站所有服务小区的移动台广播携带有被叫IMSI信息的寻呼消息,并启动孤站运行模式寻呼响应定时器。 Step 203, the base station initiates a paging procedure, namely a mobile station broadcasting station carries all the serving cells called IMSI information of the paging message, and to start the operation mode paging station lone response timer. 步骤204,移动台收到寻呼消息后,对消息中携带的IMSI进行检测, 判断该IMSI是否为本移动台的IMSI,如果是,则移动台完成信道接入后向基站发送寻呼响应,进入步骤205;否则,如果移动台检测到该寻呼消息不是针对本移动台,则移动台不作任何响应。 Step 204, after the mobile station receives the paging message, the message carries the IMSI is detected, it is determined whether the IMSI IMSI-based mobile stations, the base station sends a paging response if yes, the mobile station channel access is completed, proceeds to step 205; otherwise, if the mobile station detects the paging message is not present for the mobile station, the mobile station does not make any response. 其中,这里移动台发送寻呼响应前的信道接入过程与现有GSM系统规定的过程相同.步骤205,该被叫移动台向网络侧进一步发送携带有本移动台IMSI的寻呼响应业务请求消息。 Wherein, the same process where the mobile channel access procedure before transmitting a paging response to a predetermined station with the existing GSM system. Step 205, the called mobile station further transmits to the network side carries the IMSI of this mobile station in response to the paging service request news.

步骤206,基站收到被叫移动台发来的寻呼响应业务请求消息后,通过该被叫提供的IMSI信息,并结合主叫提供的被叫MSISDN信息以及本地存储的MSISDN和IMSI对应关系表,确定请求与该被叫建立呼叫连接的主叫, 即基站在MSISDN和IMSI对应关系表中反向查找当前被叫IMSI对应的被叫MSISDN,再根据该被叫的MSISDN找到需要与其建立连接的主叫;在此以后,基站给主叫和被叫分配业务信道。 Step 206, the base station receives the called mobile station IMSI sent by the information service in response to the paging request message, provided by the called party, the called party MSISDN and binding information stored locally and the calling MSISDN and IMSI provided by the correspondence table determining a calling request to establish a call connection with the called party, i.e., the base station MSISDN and IMSI correspondence table called a reverse lookup current corresponding to the IMSI of the called MSISDN, and then to find the called MSISDN of the need to establish a connection calling; after this, the base station assigned to the calling and traffic channels. 其中,此时,主叫业务信道和被叫业务信道一定要釆用相同的信道模式, 如果主叫移动台和被叫移动台在信道接入阶段采用的是现有技术的极早指配规程,则基站给主叫和被叫分配业务信道时,执行模式修改规程。 Wherein, when the calling and the called traffic channel traffic channels must preclude the use of the same channel mode, if the calling mobile station and a called mobile station using the access channel in the very early stages of the assignment procedure is prior art when, the base station assigned to the calling and traffic channels, the execution mode modify procedure. 步骤207,基站完成主叫上行信道到被叫下行信道,以及主叫下行信道到被叫上行信道的接续。 Step 207, the base station to complete the calling uplink channel called downlink channel, a downlink channel to the calling and connecting the called uplink channel. 其中,如果上、下行信道接续是在Abis接口进行,则基站需要完成对Abis接口上、下行信道不对称性的处理,具体处理方式依赖与基站厂商的具体实现规定。 Wherein, if the downlink channel connection is in the Abis interface, the base station need to complete on the Abis interface, asymmetry of downlink channel processing, the base station specific processing-dependent manner with a predetermined vendor specific implementation. 步骤208,基站完成接续后,给主叫移动台和被叫移动台发送CONNECT 消息,通知该两个移动台接续成功;主叫移动台和被叫移动台收到该消息后, 可以给出可闻的提示,指示主叫和被叫用户可以开始讲话。 Step 208, the base station after the completion of connection, to the calling mobile station and a called mobile station transmits the CONNECT message, the mobile station informs the two successive successful; after the originating mobile station and a called mobile station receives the message, it may be given Wen tips, indicating the caller and the called user can begin speaking. 如果在孤站运行模式寻呼响应定时器超时后,基站仍没有收到被叫移动台返回的寻呼响应,则基站给主叫移动台发送呼叫请求拒绝消息。 If the paging response timer expires solitary station mode of operation, the base station does not receive the called mobile station sends the paging response, the base station to the calling mobile station sends a call request rejection message. 本领域技术人员不难看出,本发明不应仅局限于GSM数字集群系统, 还可以同样适用于如:GSM公网等其它类似数字蜂窝系统,或其它类似情况。 Those skilled in the art will readily be seen that the present invention should not be limited to GSM digital trunking system, may also be equally applicable to such as: GSM and other similar digital public cellular systems, or other similar circumstances. 以上所述仅为本发明的较佳实施例而已,并不用以限制本发明,凡在本发明的精神和原则之内,所作的任何修改、等同替换、改进等,均应包含在本发明的保护范围之内。 The preferred embodiment of the above embodiments of the present invention only but are not intended to limit the present invention, any modifications within the spirit and principle of the present invention, the, equivalent replacement, or improvement, it should be included in the present invention. within the scope of protection.

Claims (15)

  1. 1、一种孤站点对点呼叫的实现方法,其特征在于,在基站中设置其所辖服务小区内移动台的移动台号码和用户标识的对应关系表,并包括以下步骤: a)基站广播进入孤站运行模式的系统消息,主叫移动台向基站发送包含有被叫移动台号码的层三点对点业务呼叫请求消息; b)基站收到层三点对点业务呼叫请求消息后,通过移动台号码和用户标识的对应关系表查询当前被叫移动台号码对应的用户标识; c)基站在其所辖服务小区内广播包含有当前用户标识的寻呼消息; d)移动台收到寻呼消息后,判断该寻呼消息中的用户标识是否为自身的用户标识,如果是,则移动台向基站发送包含有自身用户标识的寻呼响应业务请求消息,进入步骤e),否则,移动台不作任何响应; e)基站收到寻呼响应业务请求消息后,根据该消息中提供的用户标识确定请求与该被叫移 A lone call point station implementation, wherein the mobile station is provided a correspondence table of the user identification number and its serving cell under the jurisdiction of a mobile station in a base station, and includes the following steps: a) the base station broadcasts into the solitary system message operation mode station, the mobile station transmits a calling to the called mobile station the base station with a layer of a three-point number service call request message; b) after the base station receives a layer three-point service call request message, and mobile station numbers correspondence table queries current user identifier of the called mobile subscriber identity number corresponding to the station; c) under the jurisdiction of a base station within its cell broadcast message includes the paging identifier of the current user; D) after the mobile station receives the paging message, It determines whether the user ID in the paging message as its own user ID, and if so, the mobile station transmits to the base station with its own user identifier in response to a paging request message service, entering step E), otherwise, the mobile station does not make any response ; after e) the base station receives a paging message in response to the service request, the identifier of the message according to the user provided with the called shift determination request 台建立呼叫连接的主叫移动台,基站为主叫和被叫移动台分别分配业务信道,并进行信道接续后,分别向主叫和被叫移动台发送移动台接续成功的通知消息。 Station establishes a call connection originating mobile station, the main station and the called mobile station is called the traffic channel are allocated, and a channel connection, each mobile station sends the calling and called mobile station to the connection notification message successfully.
  2. 2、 根据权利要求1所述的方法,其特征在于,所述步骤a)前进一步包括: 基站实时检测Abis接口传输,判断是否正常,如果是,则保持网络正常运行模式,否则,基站在BCCH信道上广播进入孤站运行模式的系统消息。 2. The method according to claim 1, wherein said step a) before further comprising: a real-time detection Abis interface a base station transmission, whether or not normal, if so, to maintain normal network operation mode, otherwise, the base station BCCH the system broadcast message channel solitary operation mode station.
  3. 3、 根据权利要求2所述的方法,其特征在于,所述基站周期性地广播所述进入孤站运行模式的系统消息。 3. The method according to claim 2, wherein said base station periodically broadcasts the message into the system isolated operation mode station.
  4. 4、 根据权利要求1所述的方法,其特征在于,该方法进一步包括移动台位置更新过程:A. 移动台向基站发送包含有自身移动台号码和用户标识的完全层三位置更新业务请求消息;B. 基站将收到的完全层三位置更新业务请求消息中的移动台号码和用户标识保存在所述移动台号码和用户标识对应关系表中; C.基站向该移动台返回位置更新接受消息。 4. The method of claim 1, wherein the method further comprises a mobile station location update procedure:. A mobile station transmits to the base station and mobile station numbers with its own user identification and the full three-layer location update request message service ;. B layer of the base station will receive the full three location update request message service mobile station identification number and a user correspondence table stored in the mobile station number and subscriber identity; C. base station to the mobile station returns the location update accept news.
  5. 5、 根据权利要求4所述的方法,其特征在于,步骤A所述移动台发送所述完全层三位置更新业务请求消息的同时进一步包括:移动台启动孤站运4亍才莫式位置更新定时器;如果孤站运行模式位置更新定时器超时后,移动台仍未收到基站返回的所述位置更新接受消息,则返回步骤A。 5. The method as claimed in claim 4, wherein the step of the mobile station A transmits the location update complete layer three service request message and further comprising: a mobile station starts operation solitary station 4 Mohs right foot before the location update timer; lone station operating mode if a location update timer expires, the mobile station has not received the location update accept message returned from the base station, then the process returns to step A.
  6. 6、 根据权利要求4或5所述的方法,其特征在于,所述位置更新过程是在移动台进入孤站运行模式的初始阶段进行,和/或在进入孤站运行模式后周期性进行。 6. The method of claim 4 or claim 5, wherein the location update procedure is performed at the mobile station enters a lone station mode of operation an initial stage, and / or periodically after entering the isolated stations operating mode.
  7. 7、 根据权利要求1所述的方法,其特征在于,步骤b)所述查找当前被叫移动台号码对应用户标识的过程进一步包括,判断是否找到,如果是,则向主叫移动台返回呼叫请求确认消息,进入步骤c),否则,向主叫移动台返回呼叫请求拒绝消息,结束流程。 7. The method according to claim 1, wherein step b) Find this process is called mobile station identification number corresponding to the user further comprises determining whether found, if so, a return call to the calling mobile station request confirmation message proceeds to step C), otherwise, returns a call request rejection message to the calling mobile station, the process ends.
  8. 8、 根据权利要求1所述的方法,其特征在于,步骤c)所述基站向移动台广播寻呼消息的同时进一步包括:基站启动孤站运行模式寻呼响应定时器;如果孤站运行模式寻呼响应定时器超时后,基站仍未收到所述被叫移动台返回的寻呼响应业务请求消息,则基站向主叫移动台发送呼叫请求拒绝消息。 8. A method according to claim 1, characterized in that, while the step c) the base station broadcasts a paging message to the mobile station further comprising: a base station mode of operation starting solitary paging response timer; lone station mode of operation if after the paging response timer expires, the base station has not received said paging the called mobile station returns a service request response message, the originating mobile station to the base station sends a call request rejection message.
  9. 9、 根据权利要求1所述的方法,其特征在于,步骤a)所述移动台发送层三点对点业务呼叫请求消息前进一步包括:主叫移动台进行信道接入过程;步骤d)所述被叫移动台向基站发送寻呼响应业务请求消息前进一步包括: 被叫移动台进行信道接入过程。 9. The method according to claim 1, wherein the step a) said mobile station before transmission layer three-point service call request message further comprises: the originating mobile station channel access procedure; step d) is called mobile station sends a paging response message prior to the service request to the base station further comprising: the called mobile station channel access procedure.
  10. 10、 根据权利要求9所述的方法,其特征在于,所述主叫移动台接入的业务信道和被叫移动台接入的业务信道采用相同的信道模式。 10. The method of claim 9, wherein, the calling mobile station access to traffic channels and access to the called mobile station traffic channel with the same channel mode.
  11. 11、 根据权利要求1所述的方法,其特征在于,步骤d)所述移动台向基站发送包含有自身用户标识的寻呼响应业务请求消息前进一步包括:移动台向基站发送寻呼响应消息。 11. The method according to claim 1, wherein step d) includes the mobile station transmits its own user paging identifier to the base station before the service request response message further comprising: a mobile station sends a paging response message to the base station .
  12. 12、 根据权利要求1所述的方法,其特征在于,步骤e)所述基站根据寻呼响应业务请求消息提供的用户标识确定请求与该被叫移动台建立呼叫连接的主叫移动台的过程具体包括:基站在所述移动台号码和用户标识对应关系表中查找当前被叫用户标识对应的移动台号码,根据该移动台号码确定请求与该被叫移动台建立呼叫连接的主叫移动台。 12. The method of claim 1, wherein step e) said base station according to the paging service in response to the user providing the request message to determine the identity of the calling mobile station requests to establish a call connection with the called mobile station processes specifically includes: the base station at the mobile station identification number and a user correspondence table to find the mobile station identification number corresponding to the current called user, the mobile station number is determined in accordance with a request to establish a call connection to the calling mobile station of the called mobile station .
  13. 13、 根据权利要求1所述的方法,其特征在于,步骤e)所述基站向主叫和被叫移动台发送的移动台接续成功通知消息为CONNECT消息。 13. The method of claim 1, wherein the mobile station in step e) said base station transmits to the calling and called mobile station connection success notification message CONNECT message.
  14. 14、 根据权利要求1所述的方法,其特征在于,步骤e)后进一步包括: 移动台收到所述CONNECT消息后,向用户发送可以开始讲话的提示信息。 14. The method of claim 1, wherein step e) after further comprising: after the mobile station receives the CONNECT message, sends an alert message to the user may begin speaking.
  15. 15、 根据权利要求1所述的方法,其特征在于,所述移动台号码为MSISDN, 所述用户标识为IMSI或经过一定转换后的标识码。 15. The method of claim 1, wherein the mobile station number is the MSISDN, IMSI or the user ID is the identification code through certain conversion.
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