WO2008067755A1 - Procédé d'envoi de message de communication d'appel de groupe, sous-système de station de base et système de transmission d'appels de groupe - Google Patents

Procédé d'envoi de message de communication d'appel de groupe, sous-système de station de base et système de transmission d'appels de groupe Download PDF

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Publication number
WO2008067755A1
WO2008067755A1 PCT/CN2007/071160 CN2007071160W WO2008067755A1 WO 2008067755 A1 WO2008067755 A1 WO 2008067755A1 CN 2007071160 W CN2007071160 W CN 2007071160W WO 2008067755 A1 WO2008067755 A1 WO 2008067755A1
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WO
WIPO (PCT)
Prior art keywords
message
packet
group call
group
nln
Prior art date
Application number
PCT/CN2007/071160
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English (en)
Chinese (zh)
Inventor
Minjun Shen
Original Assignee
Huawei Technologies Co., Ltd.
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Huawei Technologies Co., Ltd. filed Critical Huawei Technologies Co., Ltd.
Publication of WO2008067755A1 publication Critical patent/WO2008067755A1/fr

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/40—Connection management for selective distribution or broadcast
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
    • H04W88/08—Access point devices

Definitions

  • Group call communication message sending method base station subsystem and group call communication system
  • the present invention relates to the field of mobile communications, and in particular, to a method for transmitting a group call communication message, a base station subsystem, and a group call communication system.
  • the voice group call service (Voice Group Call Service) and the voice broadcast service (VBS) are all voice communication methods in the field of mobile communication, breaking through the limitations of peer-to-peer communication. Sex, able to quickly establish a call. These two services can be collectively referred to as group call (or broadcast) services.
  • VGCS In a nutshell, VGCS is meant to enable multiple people to speak, and more people can act as listeners (with unlimited number of listeners).
  • the VGCS service contains two identity business members, namely dispatchers and business users.
  • the dispatcher can be a fixed network user or a mobile user, and participates in group call voice communication through a dedicated channel established by the network.
  • GSM Trunk 800M GSM Trunk 800M, called "GT800"
  • VGCS GSM 800M digital trunking system
  • the service may have no dispatcher or up to five dispatchers; the service user refers to the number of mobile users who subscribe to the VGCS service, and the number of mobile users is limited to participate in the group call voice communication through the group call channel in the group call area.
  • the VGCS service allows only one business user and up to five dispatchers to speak at the same time, while other business users who are not in a speech state are called group callers.
  • the group caller can press the push-to-talk (PTT) button on the mobile terminal to implement the operation of rushing the uplink traffic channel according to the principle of "first come, first served".
  • PTT push-to-talk
  • the speech right can be obtained to participate in the speech, and the other group of listeners can continue to grab the operation of the uplink service channel only when the uplink traffic channel is idle.
  • Dispatcher has himself A dedicated channel that can be used to speak at any time.
  • the VGCS allows the user to establish a call to a group of users belonging to a specified service area and group ID. All dispatchers can speak during the call, but all service users preempt an upstream channel.
  • the service area may be composed of a plurality of cells belonging to the same Mobile Switching Center ("MSC") or different MSCs.
  • MSC Mobile Switching Center
  • each related cell has a group call channel, and the uplink is only used by the current speaker ( Group transmission mode), all listeners are on the downlink (group reception mode), and the group call notification message is broadcast on the notification channel NCH (Notification Channel).
  • one of the MSCs is responsible for call management, which we call Anchor MSC, and the other MSCs are Relay MSCs.
  • the Anchor MSC is responsible for establishing all connections, including the connection to the designated cell of the MSC, the associated Relay MSC, and the scheduling station, and distributing the voice through a conference bridge.
  • the Relay MSC only needs to establish a link to the Anchor MSC.
  • the Relay MSC is responsible for the downlink voice distribution of the cell.
  • the VBS is basically similar to the VGCS service. The main difference is that only the call originator can speak during the VBS call, and other members are always in the receiving state. The speaking user does not have to press the PTT button.
  • General Packet Radio Service is a mobile packet data bearer service developed on the basis of the existing Global System for Mobile communication (GSM). .
  • GSM Global System for Mobile communication
  • GPRS introduces a packet switched functional entity in the GSM digital mobile communication network to support data transmission using packet mode.
  • the GPRS system can be seen as a service extension to the original GSM circuit-switched system to meet the needs of users to access the Internet or other packet data networks using mobile terminals.
  • Packet Data Channel Packet Data Channel
  • PDCH Packet Data Channel
  • the PDCH contains the following logical channels:
  • PCCCH which contains the following set of logical channels for transmitting common control signaling:
  • PACH Packet Random Access Channel
  • Packet Paging Channel Packet Paging Channel
  • MS Mobile Station
  • PAGCH Packet Access Grant Channel
  • PBCCH Physical Broadcast Channel
  • PTCH Packet Traffic Channel
  • PDTCH Packet Data Traffic Channel
  • a packet Associated Control Channel (“PACCH”)
  • the channel carries signaling information related to a specific MS, and the signaling information includes acknowledgment, power control, etc., and the channel also carries resource allocation and weight
  • the allocation message includes the capacity of the allocated PDTCH and the capacity of the PACCH to be allocated.
  • the PACCH When the PACCH is shared with the PDTCH, it is the resource that has been allocated to the MS when sharing.
  • the PACCH can be used for transmission of circuit switched services.
  • MSs attached to GPRS may be in two modes:
  • Packet idle mode The network does not allocate a Temporary Block Flow (TBF) to the MS. If the upper application wants to send user data, the MS needs to apply to establish one or more TBFs and go to the packet transmission mode.
  • TBF Temporary Block Flow
  • Packet transmission mode The network allocates one or more TBFs to the MS, and the MS can transmit user data through PDTCH. A mobile station in packet transmission mode will simultaneously listen to the PACCH.
  • MS under GPRS can be divided into the following three categories:
  • Class A It can be attached to both the GPRS network and the GSM network at the same time, and can perform packet switching services and circuit switching services at the same time;
  • Class B Can be attached to both the GPRS network and the GSM network, but not both circuit switched and packet switched;
  • Class C Cannot be attached to both the GPRS network and the GSM network at the same time.
  • the GPRS service and the circuit switching service can only select one of the services.
  • the unselected service state is disconnected and cannot be connected.
  • the network operation modes under GPRS can be divided into the following three categories.
  • Mode I If the cell is configured with the PCCCH, the paging of the packet service and the paging of the circuit service are sent and received on the PPCH, and the MS only needs to listen to the paging on the PPCH; if the cell is not configured with the PCCCH, the paging and circuit of the packet service The paging of the service is sent and received on the paging channel (Paging Channel, called "PCH") of the Common Control Channel (CCCH). The MS only needs to listen to the paging on the PCH; When a PTCH is allocated, the page for the MS is sent and received on the PACCH.
  • PCH paging Channel
  • CCCH Common Control Channel
  • the PPCH is not configured in the cell.
  • the paging of the circuit service and the paging of the packet service are sent and received on the PCH.
  • the MS only needs to listen to the paging on the PCH. Even if the PTCH is allocated to the MS, the paging of the circuit service is only Send up and down on the PCH.
  • Mode III The paging of the circuit service is sent and received on the PCH, and the packet service paging is sent and received on the PPCH or the PCH, and the mobile station needs to monitor both the PCH and the PPCH.
  • notification channel notation channel, called "NCH"
  • the NCH is part of the CCCH, and the group call notification message (including the group call ID, the group call channel description, and other attributes of the group call) is periodically transmitted through the NCH; the MS in the non-GPRS attached state in the idle state (Idle) will listen to the NCH. The MS in the packet idle mode will listen to the NCH in network operation mode II and ,, and may not listen to the NCH in network operation mode 1.
  • the base station subsystem may send a group call notification message (including group call ID, group call channel description, and group call) on the FACCH of the circuit type traffic channel of the cell in the group call area. Attribute), the MS in the dedicated mode, the group transmission mode and the group reception mode can receive the notification message on the FACCH; if the MS determines that it belongs to the corresponding group call/broadcast, it can leave the current call to join the new group call/broadcast.
  • the Notification List Number (“NLN”) is a modulo 4 counter. When a new group call/broadcast call is initiated in the cell, the NLN corresponding to the cell is 1 for the cell.
  • the NLN is also sent on the following channels: PCH, PPCH, and Slow Associated Control Channel ("SACCH").
  • the MS initially listens to the NCH and until the NLN of the last two group call notification messages is the same, the MS stops listening to the NCH.
  • the MS listens to other channels, for example: PPCH the NLN on the SACCH is different from the saved NLN, then it goes to listen to the group call notification message on the NCH.
  • the Class B MS under GPRS when the Class B MS under GPRS is in the packet transmission mode, it will listen to the PTCH, but will not listen to CCCH, PCCCH or SACCH, and thus cannot know the information related to the group call, for example: NLN value. Specifically, when a new group call/broadcast call is initiated in the cell, the NLN value changes, but when the class B MS in GPRS is in the packet transmission mode, only the PTCH is monitored, and the CCCH and PCCCH are not monitored. Or SACCH, so the MS will not know that the NLN value has changed.
  • Embodiments of the present invention provide a group call communication message sending method, a base station subsystem, and a group call communication system, so that a mobile station in a packet transmission mode can also learn the notification list number information related to the group call, when the cell is in the cell. When a new group call/broadcast call is initiated, the mobile station can know the change of the notification list number value.
  • a method for transmitting a group call communication message comprising the steps of: the base station subsystem BSS transmitting a message including a notification list number NLN on a packet associated control channel PACCH.
  • a base station subsystem includes a message sending module for use in a packet-associated control channel A message containing the notification list number NLN is sent on the PACCH.
  • a group call communication system includes a base station subsystem BSS and a mobile station MS, and the BSS includes a message sending module, configured to send a message including a notification list number NLN on the packet associated control channel PACCH;
  • the MS includes a message receiving module and a determining module, and the message receiving module is configured to receive the message including the NLN, and the determining module is configured to determine whether the NLN received by the MS is the same as the NLN saved by the MS itself. If not, the MS is instructed to leave the packet transmission mode. , enter the packet idle mode.
  • the message including the notification list number is sent by the base station subsystem on the packet associated control channel, so that the mobile station in the packet transmission mode can also learn the group call related.
  • the notification list number information when a new group call/broadcast call is initiated in the cell, the mobile station can know the change of the notification list number value.
  • FIG. 1 is a flow chart showing the process of transmitting a group call communication message according to a preferred embodiment of the present invention. Mode for carrying out the invention
  • the base station subsystem sends a message including the notification list number on the packet associated control channel, so that the mobile station in the packet transmission mode can also learn the group call related.
  • Notification list number information when a new group call/broadcast call is initiated in the cell, the mobile station can learn the change of the notification list number value. Condition.
  • the MS in this embodiment mainly refers to a class B MS under GPRS, which can be attached to both the GPRS network and the GSM network at the same time, but cannot simultaneously perform circuit switching and packet switching services.
  • FIG. 1 is a flow chart showing the process of transmitting a group call communication message according to a preferred embodiment of the present invention.
  • the base station subsystem BSS sends a message containing the notification list number on the packet associated control channel PACCH.
  • the notification list number NLN can be either modulo 4 or modulo 6, modulo 8, or a counter of the modulus natural number.
  • the above message including NLN may be packet system message 13, or other packet system message 1 transmitted on PACCH, packet system message 2, packet system message 3, packet system message 3bis, packet system message 3ter, packet system message 3ter , packet system message 6, packet system message 7, packet system message 8, packet system message 14, packet system message 15, packet system message 16, and the like.
  • the BSS may periodically send a message containing the NLN on the PACCH, or may send the message containing the NLN irregularly or at a given fixed time point.
  • the BSS When a cell has a new group call initiated, the BSS changes the NLN value of the PACCH channel of the cell, for example: self-add 1 and sends the changed NLN to the MS that is using the PDTCH corresponding to the PACHCH.
  • the MS is in packet transmission mode.
  • the MS receives the message including the NLN sent by the BSS, and compares the received NLN with the NLN saved by itself. If the two NLN values are different, it indicates that a new group call is initiated, and the MS leaves the packet transmission mode. Enter the packet idle mode.
  • the NLN saved by the MS itself may be a message sent before the PACCH, NCH, PCH or PPCH.
  • the MS may delay the set transmission time and then leave the packet transmission mode to enter the packet idle mode. If the MS completes the GPRS data transmission within the set time of this period, it can immediately leave the packet transmission mode and enter the packet idle mode.
  • the BSS may also send, on the PACCH, a message including the group identification number (Group ID: group ID) information of all group calls being performed by the current cell, and the message may be Messages containing NLN are the same message or different messages.
  • the MS in the packet transmission mode receives the group ID information, and if there is a group call associated with the MS, the MS leaves the packet transmission mode and enters the packet idle mode.
  • the BSS may also send, on the PACCH, a message including the highest priority information of all group calls that the current cell is in progress, and the message may be the same message as the message including the NLN, Can be different messages.
  • the MS in the packet transmission mode receives the highest priority information. If the priority of the group call is higher than the priority set by the MS, the MS leaves the packet transmission mode and enters the packet idle mode.
  • the BSS may also send a message including the emergency mode status identification information of the current cell on the PACCH, and the message may be the same message as the message including the NLN, or may be a different message.
  • the MS in the packet transmission mode receives the emergency mode status identification information, and judges whether to leave the packet transmission mode according to the information, and enters the packet idle mode.
  • the MS that enters the packet idle mode listens to the group call notification message on the NCH. If the MS belongs to the group call/broadcast call corresponding to the group call notification message, the MS can join or request to join the group call/broadcast call.
  • the MS If the MS does not belong to the group call/broadcast call corresponding to the group call notification message, the MS updates the NLN saved by itself, that is, replaces the NLN saved by itself with the currently received NLN. Then return to the packet transfer mode.
  • mode I that is, if the cell is configured with the PCCCH, the paging of the packet service and the paging of the circuit service are sent and received on the PPCH, and the MS only needs to listen to the paging on the PPCH; if the cell is not configured with the PCCCH The paging of the packet service and the paging of the circuit service are all sent and received on the PCH of the CCCH. The MS only needs to listen to the paging on the PCH. If the PTCH is allocated to the MS, the paging of the MS is sent and received on the PACCH.
  • the MS in the packet idle mode listens to the PCCCH in the network operation mode I, before joining the group call, the MS needs to go to the NCH channel of the CCCH to listen to the group call notification message before joining the group call. This will cause a delay in time.
  • the period of the PCCCH is 52 multiframe periods. According to the above manner, the MS may need up to 240 milliseconds to know the change of the NLN, that is, it is known that a new group call occurs in the cell.
  • the BSS can send a group call notification message on the PPCH.
  • the MS entering the packet idle mode can listen to the PCCCH, so it can listen to the group call notification message on the PPCH. If the MS in the packet idle mode belongs to the group call/broadcast call corresponding to the group call notification message, the MS may join or request to join the group call/broadcast call.
  • the MS If the MS does not belong to the group call/broadcast call corresponding to the group call notification message, the MS updates the NLN saved by itself, that is, replaces the previously saved NLN with the currently received NLN, and then returns the packet transmission mode.
  • a base station subsystem includes a message sending module, configured to send a message including a notification list number NLN on a packet associated control channel PACCH.
  • the message sending module is further configured to send a message on the PACCH, where the message includes group ID information of all group calls being performed by the current cell, and/or highest priority information of all group calls being performed by the current cell, and/or Emergency mode status identification information of the current cell.
  • a group call communication system comprising a base station subsystem BSS and a mobile station MS
  • the BSS includes a message sending module
  • the module is used in a packet associated control channel
  • the MSC sends a message including the notification list number NLN.
  • the MS includes a message receiving module and a determining module.
  • the message receiving module is configured to receive the message including the NLN
  • the determining module is configured to determine whether the NLN received by the MS is the same as the NLN saved by the MS itself. If not, the MS is instructed to leave the packet transmission mode and enter the packet idle mode.
  • the message sending module of the BSS can also be used to send a group call notification message on the packet paging channel PPCH.
  • the MS listens to the group call notification message on the PPCH while in the packet idle mode. If the MS in the packet idle mode belongs to the group call/broadcast call corresponding to the group call notification message, the MS may join or request to join the group call/broadcast call.
  • the message sending module of the BSS may be further configured to send a message on the PACCH, where the message includes group ID information of all group calls being performed by the current cell, and/or highest priority information of all group calls being performed by the current cell, and/ Or emergency mode status identification information of the current cell.

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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 d'envoi de message de communication d'appel de groupe, un sous-système de station de base et un système de transmission d'appels de groupe. Le sous-système de station de base envoie un message comprenant un numéro de liste de notification sur la voie de signalisation associée au paquet, et vérifie que la station mobile en mode de transmission de paquets reçoive le message contenant le numéro la liste de notification associé à l'appel de groupe; lors de l'émission d'un nouvel appel/d'une nouvelle diffusion de groupe dans la zone, la station mobile peut recevoir le changement de valeur du numéro de liste de notification.
PCT/CN2007/071160 2006-12-04 2007-12-03 Procédé d'envoi de message de communication d'appel de groupe, sous-système de station de base et système de transmission d'appels de groupe WO2008067755A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN200610157420.6 2006-12-04
CN2006101574206A CN101198107B (zh) 2006-12-04 2006-12-04 组呼通信消息发送方法、基站子系统和组呼通信系统

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WO2008067755A1 true WO2008067755A1 (fr) 2008-06-12

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WO (1) WO2008067755A1 (fr)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101720028A (zh) * 2009-12-01 2010-06-02 北京中星微电子有限公司 一种视频监控中实现语音广播的方法和系统
CN102137434B (zh) * 2010-01-26 2014-04-16 华为终端有限公司 邻区系统消息获取方法、发送方法及装置
CN102202266B (zh) * 2011-06-27 2013-08-14 深圳市桑达无线通讯技术有限公司 一种集群通信系统终端的呼叫信息更新方法
CN102917316A (zh) * 2012-10-31 2013-02-06 深圳市桑达无线通讯技术有限公司 终端监听小区内的组呼/广播的方法
CN105491536A (zh) 2014-09-23 2016-04-13 中兴通讯股份有限公司 一种宽带集群系统下全呼的方法、系统及相关装置

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1220788A (zh) * 1997-03-27 1999-06-23 诺基亚电信公司 分组无线网络中的控制信道分配
EP1349415A1 (fr) * 2002-03-25 2003-10-01 Sagem SA Méthode d'établissement d'un appel de groupe dans un système de télécommunication de type GPRS
CN1523835A (zh) * 2003-09-05 2004-08-25 中兴通讯股份有限公司 Gprs系统中的一种下行数据传输重指派方法

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1220788A (zh) * 1997-03-27 1999-06-23 诺基亚电信公司 分组无线网络中的控制信道分配
EP1349415A1 (fr) * 2002-03-25 2003-10-01 Sagem SA Méthode d'établissement d'un appel de groupe dans un système de télécommunication de type GPRS
CN1523835A (zh) * 2003-09-05 2004-08-25 中兴通讯股份有限公司 Gprs系统中的一种下行数据传输重指派方法

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CN101198107A (zh) 2008-06-11
CN101198107B (zh) 2011-11-23

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