WO2012058979A1 - Procédé et système permettant d'établir un appel de groupe dans un mode de station unique - Google Patents

Procédé et système permettant d'établir un appel de groupe dans un mode de station unique Download PDF

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Publication number
WO2012058979A1
WO2012058979A1 PCT/CN2011/079191 CN2011079191W WO2012058979A1 WO 2012058979 A1 WO2012058979 A1 WO 2012058979A1 CN 2011079191 W CN2011079191 W CN 2011079191W WO 2012058979 A1 WO2012058979 A1 WO 2012058979A1
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Prior art keywords
group
call
self
terminal
built
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PCT/CN2011/079191
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English (en)
Chinese (zh)
Inventor
刘晓静
曾稹卓
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中兴通讯股份有限公司
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Publication of WO2012058979A1 publication Critical patent/WO2012058979A1/fr

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Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W76/00Connection management
    • H04W76/40Connection management for selective distribution or broadcast
    • H04W76/45Connection management for selective distribution or broadcast for Push-to-Talk [PTT] or Push-to-Talk over cellular [PoC] services
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W4/00Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/06Selective distribution of broadcast services, e.g. multimedia broadcast multicast service [MBMS]; Services to user groups; One-way selective calling services
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W84/00Network topologies
    • H04W84/02Hierarchically pre-organised networks, e.g. paging networks, cellular networks, WLAN [Wireless Local Area Network] or WLL [Wireless Local Loop]
    • H04W84/04Large scale networks; Deep hierarchical networks
    • H04W84/08Trunked mobile radio systems

Definitions

  • the present invention relates to the field of digital trunking communications, and in particular, to a method and system for implementing a trunk call by a terminal self-built group in a single station mode. Background technique
  • Digital trunking communication system is a new type of mobile communication system that emerged at the end of the 20th century.
  • the digital trunking communication system is a dedicated mobile communication system. It is a dedicated advanced command and dispatch system that provides mobile communication services between individuals and individuals, individuals and groups.
  • the cluster user can use basic trunking services such as voice call, group call, private call, number display, and call rights management. It can also use priority call, high priority preemption, call restriction, group dynamic management, late access, and dispatcher demolitions. Intensive plug-in and other supplementary cluster services.
  • the digital trunking communication system is composed of a terminal, a base station subsystem, a scheduling subsystem, and the like.
  • the terminal mainly completes interaction with the base station and the user.
  • the base station subsystem (BSS) is composed of a base transceiver station (BTS) and a base station controller (BSC), and mainly performs cluster services, data services, and the like.
  • BTS completes the modulation and demodulation of the baseband signal and the function of transmitting and receiving the radio frequency signal.
  • the BSC performs radio resource allocation, call processing, power control, and various switching functions of the supporting terminal.
  • the scheduling subsystem consists of a scheduling server (PDS) and a scheduling client (PDC), which mainly manages and controls the cluster services.
  • the PDS is the total control point of the trunk call, and completes the processing of the cluster dispatch call, including identifying the cluster user, establishing various cluster calls, and determining the cluster one-touch call button (PTT) request.
  • the PDS also receives cluster language data from the reverse link and redistributes it to the corresponding forward link according to the nature of the call.
  • the PDC is a voice data gateway that accesses the cluster call to the PDS, collects the reverse cluster voice service flow, distributes the forward cluster voice stream, and establishes a dedicated signaling link to the PDS, and transmits between the BSC and the PDS. Signaling related to trunking calls. In order to ensure that the digital trunking system provides reliable services, multiple base stations need to be set up.
  • the single-station mode is also called the fault-attenuation mode.
  • the single-station mode in addition to the security call-based considerations, it is still possible to provide basic communication services for cluster users when the physical link of the system or the network control device fails to cause the cluster network, thereby reducing the physical link of the network. Or the extent to which equipment failure affects communication.
  • the scenario of using the single-station mode includes: situations where the confidentiality requirement is relatively high, natural disasters or human factors cause the network control device to malfunction and the cluster network is paralyzed.
  • single-station mode if the system fails, for example, the link between the BTS and the BSC is interrupted, the BSC cannot complete the radio resource allocation, call processing, and various handovers with the terminal.
  • the PDS cannot complete the call rights management, due to the prior art
  • the single station operation mode only the system group call of the group established by the system can be realized at present, and only the terminal that successfully implements the group update under the normal working condition of the system can make the call, therefore, in view of the current establishment of the group by the system The mode cannot be flexibly released in the single station mode. Once the system fails, the system cannot establish and update the group, which affects the cluster call between the terminals in the digital trunking communication system. Summary of the invention
  • the main purpose of the present invention is to provide a method and system for implementing a trunk call in a single-station mode, which is optional, and can select a self-built group to perform a cluster call when the system is faulty, thereby causing a system failure.
  • the cluster call between the terminals can still be realized, thereby ensuring the quality of the cluster call between the terminals in the digital trunking communication system, and improving the user experience for the user.
  • a method for implementing a trunk call in a single-station mode is to establish a self-built group by the terminal itself. In the single-station mode, whether the cluster call is implemented according to the system group or the self-built group according to the system operation.
  • the selection is implemented according to the system group
  • the cluster call is selected according to the self-built group.
  • the method further includes: determining, according to a working mode field in the broadcast signaling message sent by the base station, whether the current working mode of the base station is the single station mode;
  • the cluster call is implemented.
  • the terminal When the terminal initiates a call request to the base station, the terminal needs to determine the type of the group that initiates the call request and the index of the group. If the group that initiates the call request is a system group, according to the corresponding system group.
  • the group ID unique identifier (GID) corresponding to the index initiates a call; if the group that initiates the call request is a self-built group, the call is initiated according to the GID corresponding to the index of the corresponding self-built group.
  • GID group ID unique identifier
  • the method further includes: carrying the GID of the group in the call request message;
  • the base station After receiving the call request, the base station specifies the GID in the broadcast signaling message; after receiving the broadcast signaling message, the terminal compares the specified GID with the GID in the self-built group saved by itself, when the specified GID and saves When the GIDs are the same, a corresponding traffic channel is established for group call.
  • the method further includes: when the terminal initiates the speaking right request message, sending the speaking user number of the terminal to the base station by using the speaking right request message; the base station sends the right message to the terminal, and the terminal obtains the message from the right message The user number is displayed.
  • a system for implementing a trunk call in a single station mode comprising: selecting a cluster call unit for establishing a self-built group by the terminal itself, in the single station mode, selecting according to the system operation according to the system group or according to the self Establish a group to implement a cluster call.
  • the selecting a cluster call unit is further configured to: when the system running condition is normal, selecting to implement a cluster call according to the system group; when the system running condition is a fault, selecting to self-build according to the The group implements a cluster call.
  • the system further includes a determining unit, configured to determine, according to a working mode field in the broadcast signaling message sent by the base station, whether the current working mode of the base station is the single station mode;
  • the selecting implements the trunking unit, and is further configured to implement the trunking call in the single-station mode.
  • the invention establishes a self-built group by the terminal itself, and in the single station mode, according to the system operation situation, whether the cluster call is implemented according to the system group or the self-built group.
  • the present invention is different from the prior art, it is optional, and can select a trunking call by the terminal self-built group when the system is faulty, thereby realizing system failure in the digital trunking communication system, for example, when the BTS and the BSC link are interrupted (single Under the base station), the terminal handles the self-built group trunk call.
  • FIG. 1 is a schematic diagram of establishing a storage mode of a self-built group according to the present invention
  • FIG. 2 is a schematic flowchart of implementing a trunk call by a self-built group in a single station mode according to Embodiment 1 of the present invention
  • FIG. 3 is a schematic flowchart of implementing a call right application by a self-built group in a single station mode according to Embodiment 2 of the present invention. detailed description
  • the basic idea of the present invention is: The self-built group is established by the terminal itself. In the single-station mode, whether the system calls or the self-built group is used to implement the cluster call according to the system operation.
  • the solution of the present invention is a scheme for implementing a trunk call by a terminal self-built group in a single base station operation mode, that is, a system failure, such as a BTS and a BSC link.
  • a system failure such as a BTS and a BSC link.
  • the user can directly initiate a call to the self-built group, and use the base station alone to provide more convenient communication services for users within its coverage, without interrupting and affecting the cluster call between the terminals, thereby ensuring the terminal in the digital trunking communication system.
  • the quality of inter-cluster calls improves the user experience for users.
  • the group call number and the speaking user number are directly stored and maintained on the terminal, and the entire call does not need to be completed by the BSC.
  • a method for implementing a trunk call in a single station mode which mainly includes the following contents:
  • the self-built group is established by the terminal itself.
  • the cluster call is selected according to the system group or the self-built group according to the system operation.
  • the group number (GMDN) of the terminal is saved by the PDS in the multi-station working mode.
  • the group number is no longer maintained by the PDS, but the terminal self-builds the group, and the self-built group is maintained by itself.
  • the group number in .
  • the single-carrier fan supports the unlimited capacity of the group, and the users in the group share a voice channel, and directly allocate the cell channel resources through the broadcast signaling message.
  • the voice channel is established between the user and the listening user. The user occupies the voice channel, and the user listens to the voice channel.
  • the method further includes: when the terminal self-builds the group, the user can establish the name of the group and the group number by itself, and the terminal generates the group ID unique identifier (GID) of the user according to the group number, so as to finally obtain the group according to the self-built group.
  • GID group ID unique identifier
  • the corresponding GID implements a trunk call.
  • the method further includes: the terminal automatically managing and maintaining the information of the self-built group.
  • the information of the self-built group managed and maintained by the terminal including group identification information, group priority, and waiting. Users can create, modify, and delete groups.
  • the method further includes: determining, by the terminal according to the broadcast signaling message sent by the base station, whether the current working mode of the base station is a multi-station mode or a single-station mode. Judging by the working mode field in the broadcast signaling message, for example, the value of the working mode field is 0, indicating that it is in the multi-station mode; The value of the mode field is 1, indicating that it is in single station mode.
  • the method further includes: if it is a single station mode, the terminal initiates a group call, and determines a type of the group that initiates the call request and an index of the group. If the group that initiates the call request is a system group established by the system, according to the corresponding system group The GID corresponding to the index initiates a call; if the group that initiates the call request is a self-built group established by the terminal, the call is initiated according to the GID corresponding to the index of the corresponding self-built group.
  • the method further includes: in the single station mode, the terminal initiates a system group or a self-built group call, and the call request message carries a corresponding group GID to initiate a call request to the BTS, and after receiving the call request, the BTS is forward.
  • a broadcast signaling message (specifically, a broadcast channel assignment message) is sent to the terminal, and the terminal performs GID matching in the corresponding group according to the GID in the broadcast signaling message, that is, determining the GID in the broadcast signaling message. Whether the GID in the self-built group stored in the terminal is the same. If they are the same, the corresponding traffic channel is established. Otherwise, the terminal will not do any processing.
  • the method further includes: when the terminal initiates the speaking right request message, the terminal user number MDN is brought to the base station by using the speaking right request message, and the base station sends the right message to the terminal by using the shared forward voice channel. If the terminal does not bring the base station number, the base station will give the terminal an empty number, and the terminal can correctly display the right state. Since the user occupies a separate voice channel, only the voice rights and the user number display are supported, and the voice preemption mechanism, the normal voice call, and the private call are not supported.
  • Speaking of the user can maximize the use of the right to speak until they release. The user is told to release the call right, and the next user gets the right to speak and starts speaking. The user speaks the group call idle state.
  • the MDN is a mobile phone number, and the MDN is called a Mobile Directory Number.
  • the method further includes: the release process of the call is the same as the original group call release process.
  • the terminal can self-build the group and select the processing of the self-built group trunk call. Only the terminal that is established by the system under normal working conditions and successfully updated by the group can make a call defect.
  • the group call number and the speaking user number are directly stored and maintained on the terminal, and the entire call does not need to be completed by the BSC.
  • the invention is illustrated by way of example below.
  • the present invention expands the existing system group to increase the information of the self-built group.
  • Self-built group information is the same as system group information, including group identification, group priority, and waiting attributes. Then, save the index and type of the system group and the self-built group to a new list.
  • the new list first saves the information of the system group, and then saves the information of the self-built group. This new list is used by the UI display.
  • the new list In multi-station mode, the new list only saves system group information, but in single-station mode, the new list saves the information of the self-built group in addition to the information of the system group. Update the information of this list when mode switching is performed in multi-station mode and single-station mode. When the terminal is powered on, the information of this list is cleared, and when the card is changed, the information of all groups is cleared, and the list is updated.
  • the terminal presses the PTT, it sends a group call setup request to the base station.
  • the base station finds the cell where the member in the group is located by searching the database, and initiates paging to the members in the group with the call type.
  • the base station sends a message on the paging channel to page the terminal.
  • the terminal decodes and performs corresponding processing, sends a paging response message on the access channel, and then establishes a call.
  • Embodiment 1 In the single station mode, the terminal self-built group realizes the cluster call.
  • the process of this embodiment includes the following steps:
  • Step 101 Add a group type group_type and an index field group_index respectively in the structure of the call to distinguish the type and index of the group that initiated the call.
  • Step 102 The terminal determines whether the current working mode of the base station is a single station mode. If yes, step 103 is performed; otherwise, the process of implementing the cluster call by the terminal self-building group is ended.
  • the existing system parameter message (such as a broadcast signaling message) is added with a working mode field, and the length is 1 bit, which is used to indicate the current working mode of the base station of the digital trunking system, and the value of the working mode field is 0, indicating that it is in multi-station mode; the value of the work mode field is 1, indicating that it is in single-station mode. If it is in the single station mode, step 103 is performed. Otherwise, the process of implementing the cluster call by the terminal self-building group is ended.
  • Step 103 When the terminal in the idle state presses the PTT button, the call request message is sent through the access channel, and the GID of the group call, the version number of the terminal software, and the like are specified in the call request message.
  • the call request message does not carry the GMDN, but carries the GID.
  • Step 104 After receiving the call request message, the base station sends a broadcast signaling message on the reverse voice channel (the broadcast signaling message may be a broadcast channel assignment message); the terminal receives a message on the forward voice channel, and determines Whether the message is a broadcast channel assignment message, if yes, the GID in the broadcast channel assignment message is compared with the GID saved by the terminal itself to see if the match is successful. If the matching is successful, step 105 is performed; otherwise, the process of implementing the cluster call by the terminal self-building group is ended.
  • the broadcast signaling message may be a broadcast channel assignment message
  • the terminal receives a message on the forward voice channel, and determines Whether the message is a broadcast channel assignment message, if yes, the GID in the broadcast channel assignment message is compared with the GID saved by the terminal itself to see if the match is successful. If the matching is successful, step 105 is performed; otherwise, the process of implementing the cluster call by the terminal self-building group is ended.
  • Step 105 The terminal directly establishes a corresponding channel, and enters the group call. At this time, there is no need for handshake and service negotiation with the base station to improve the access and handover speed of the terminal.
  • Step 106 The terminal speaks that the user sends a speech right request message through the reverse voice channel, does not carry the electronic serial number (ESN, Electronic Serial Numbers) and the mobile equipment identifier (MEID, Mobile Equipment IDentifier) of the terminal, but carries the MDN.
  • ESN Electronic Serial Numbers
  • MEID Mobile Equipment IDentifier
  • Step 107 The user receives the forward message, obtains the speaking user number, and performs display. After that, the terminal ends the call, which is the same as the original process.
  • Embodiment 2 In the single station mode, the call right application is implemented by the self-built group.
  • the process of this embodiment includes the following steps:
  • Step 201 The terminal initiates a speech right request message, where the speech right request message carries the MDN of the terminal.
  • the present invention mainly establishes, manages, and maintains information of a self-built group by a terminal. In a single-station mode, after receiving a broadcast signaling message, the terminal determines that the current mode is a single station mode. You can choose whether to perform a cluster call based on the system group or the self-built group. (When the system is running normally, you can choose to perform cluster calls based on the system group. When the system is faulty, you can choose to use the self-built group.
  • the terminal When the terminal initiates a call request to the base station, it first determines the type and index of the requesting group, obtains the GID of the request group, and the like, and the terminal matches the GID in the broadcast signaling message with the GID information saved by itself, and the GID information is successfully matched. Create a group call, otherwise end the process.
  • the terminal When the terminal initiates a call request message, the terminal carries the terminal information, and the user obtains the right message information and displays it.
  • a system for implementing a trunk call in a single station mode comprising: selecting a cluster call unit for establishing a self-built group by the terminal itself, in the single station mode, selecting according to the system operation according to the system group or according to the self Establish a group to implement a cluster call.
  • the selecting and implementing the cluster call unit is further configured to: when the system running condition is normal working, selecting to implement a cluster call according to the system group; when the system running condition is a fault, selecting to implement the cluster according to the self-built group call.
  • the system further includes a determining unit, configured to determine, according to a working mode field in the broadcast signaling message sent by the base station, whether the current working mode of the base station is the single station mode; In the single-station mode, the cluster call is implemented.
  • the terminal initiates a call request to the base station, it is required to determine the type of the group that initiates the call request and the index of the group. If the group that initiates the call request is a system group, according to the corresponding system.
  • the GID corresponding to the index of the group initiates a call; if the group that initiates the call request is a self-built group, the call is initiated according to the GID corresponding to the index of the corresponding self-built group.
  • the basic idea of the present invention is: The self-built group is established by the terminal itself. In the single-station mode, whether the system calls or the self-built group is used to implement the cluster call according to the system operation.
  • the solution provided by the present invention can:
  • the terminal can self-build the group and select the processing of the self-built group trunk call, which solves only the normal working conditions of the system.
  • the defect that the terminal established by the system and successfully updated by the group can make a call.
  • the group call number and the speaking user number are directly stored and maintained on the terminal, and the entire call does not need to be completed by the BSC.

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

L'invention concerne un procédé permettant d'établir un appel de groupe dans un mode de station unique. Le procédé comprend les étapes suivantes : créer un groupe auto-créé par un terminal proprement dit, et décider d'établir un appel de groupe selon un groupe système ou le groupe auto-créé dans le mode de station unique en fonction des conditions de fonctionnement du système. Un système est également décrit qui permet d'établir un appel de groupe dans un mode de station unique. Une unité de décision d'établissement d'un appel de groupe dans le système est utilisée pour créer un groupe auto-créé par un terminal proprement dit, et décide d'établir l'appel de groupe selon un groupe système ou le groupe auto-créé dans le mode de station unique en fonction des conditions de fonctionnement du système. Grâce au procédé et au système selon la présente invention, des appels de groupe entre des terminaux peuvent être établis même en cas de défaillance du système, garantissant ainsi la qualité des appels de groupe entre les terminaux dans les systèmes de communication de groupe numériques, et offrant une meilleure expérience utilisateur à l'utilisateur.
PCT/CN2011/079191 2010-11-01 2011-08-31 Procédé et système permettant d'établir un appel de groupe dans un mode de station unique WO2012058979A1 (fr)

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RU2643163C2 (ru) * 2013-08-15 2018-01-31 Зте Корпарейшн Способ и устройство для реализации услуги обработки вызовов, а также способ и устройство для передачи данных индикации

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CN102123350A (zh) * 2011-03-23 2011-07-13 中兴通讯股份有限公司 一种在单站运行模式实现群组呼叫的方法、终端及系统
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