WO2009124437A1 - Station mobile à ressources partagées dans un système de communication numérique à ressources partagées et procédé de traitement correspondant de l’état de service - Google Patents

Station mobile à ressources partagées dans un système de communication numérique à ressources partagées et procédé de traitement correspondant de l’état de service Download PDF

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Publication number
WO2009124437A1
WO2009124437A1 PCT/CN2008/072137 CN2008072137W WO2009124437A1 WO 2009124437 A1 WO2009124437 A1 WO 2009124437A1 CN 2008072137 W CN2008072137 W CN 2008072137W WO 2009124437 A1 WO2009124437 A1 WO 2009124437A1
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WO
WIPO (PCT)
Prior art keywords
mobile station
voice
cluster
cluster mobile
state
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Application number
PCT/CN2008/072137
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English (en)
Chinese (zh)
Inventor
李森
杨辉
李晨熙
凌勇
Original Assignee
中兴通讯股份有限公司
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.)
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Publication of WO2009124437A1 publication Critical patent/WO2009124437A1/fr

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/06—Selective distribution of broadcast services, e.g. multimedia broadcast multicast service [MBMS]; Services to user groups; One-way selective calling services
    • H04W4/10—Push-to-Talk [PTT] or Push-On-Call services
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/40—Connection management for selective distribution or broadcast
    • H04W76/45—Connection management for selective distribution or broadcast for Push-to-Talk [PTT] or Push-to-Talk over cellular [PoC] services
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W84/00—Network topologies
    • H04W84/02—Hierarchically pre-organised networks, e.g. paging networks, cellular networks, WLAN [Wireless Local Area Network] or WLL [Wireless Local Loop]
    • H04W84/04—Large scale networks; Deep hierarchical networks
    • H04W84/08—Trunked mobile radio systems

Definitions

  • FIG. 1 shows a conventional digital trunking communication system network structure, which mainly includes a cluster mobile station 1 (also referred to as a terminal), a base station subsystem 2, and a scheduling subsystem 3, wherein: the cluster mobile station 1 has a cluster service.
  • a cluster mobile station 1 also referred to as a terminal
  • a base station subsystem 2 also referred to as a base station subsystem 2
  • a scheduling subsystem 3 wherein: the cluster mobile station 1 has a cluster service.
  • the function of the cluster mobile station device is the main device for interaction between the cluster network and the user; the base station subsystem 2, the base station system with the cluster service function, completes the access function of the cluster mobile station, and is connected to the cluster mobile station and the scheduling subsystem.
  • FIG. 2 shows a state diagram in a conventional trunking terminal service mode.
  • the trunking mobile station may be in the three states of the right idle state, the talk state, and the listening state in the service mode.
  • the cluster mobile station After the cluster mobile station enters the service mode, it is in the idle state of the voice; after receiving the PTT Grant (Push-To-Talk Grant) message sent by the system side, it is related to its own pre-stored information. The data is matched. If the matching is successful, the state is entered. In the speaking state, when the mobile station receives the PTT Release (Push-To-Talk Release) message sent by the system side, or the user releases the PTT.
  • PTT Grant Push-To-Talk Grant
  • the cluster mobile station can only authorize the user after the user enters the service mode, completes the establishment of the language channel, and successfully receives the PTT GRANT message sent by the system.
  • the user's voice is sent wirelessly to the system side to implement cluster communication. Because only at this time, the system can receive the language information sent by the cluster mobile station and forward it to other users for listening.
  • the conventional trunked mobile station service flow shown in Figure 2 it takes a lot of time (about 2 seconds) for the trunked mobile station to actually allow the user to talk from pressing the PTT button.
  • the present invention is directed to a cluster mobile station and a service state processing method thereof for a digital trunking communication system, to solve the problem of a group mobile station in a conventional cluster mobile station service state process from being pressed by a PTT button to actually allowing a user to speak, which consumes a large amount of money The problem of waiting time.
  • a method for processing a service state of a trunking mobile station for a digital trunking communication system includes the following steps: buffering voice information of a user in a cluster mobile station; and determining, by the cluster mobile station, entering a voice buffer And the cluster mobile station sends the buffered voice information to the system side after determining that the user enters the voice buffer state and receives the 4 MANN rights on the system side to implement the cluster communication.
  • the buffering the voice information of the user in the cluster mobile station comprises: after the cluster mobile station enters the service state, the voice information is still recorded in the cluster mobile station.
  • the voice buffer start flag is set at the application cache start point to declare that the call is applied with the voice buffer technology, and the cluster mobile station determines that the voice buffer state is entered. That is, the channel initialization sub-state is determined; the speech buffer start flag is determined, and subsequent processing is performed. If the speech buffer start flag is set, the speech buffer state timer is set, the timing is started, and the current state is set to the voice buffer state.
  • the cluster mobile station sends the buffered voice information to the system side after determining that the user enters the voice buffer state and receives the 4 MANN rights on the system side, so as to implement the cluster communication, specifically:
  • the group mobile station is actively late to enter the port, and the shell 1 J automatically sends a push-to-talk request (PTT Rlease) message, and waits for a push-to-talk authorization (PTT Grant) message; if the cluster mobile station is not actively late to join, Then do nothing, just wait for the push-to-talk authorization message.
  • PTT Rlease push-to-talk request
  • PTT Grant push-to-talk authorization
  • the cluster mobile station sends the buffered voice information to the system side after determining that the user enters the voice buffer state and receives the 4 MANN rights on the system side, so as to implement the cluster communication, the cluster mobile station receives the push button.
  • the authorization message is cleared; the voice buffer state timer is cleared; the push-to-talk authorization confirmation (PTT Grant-ACK) message is automatically replied; the voice information is read from the beginning to obtain the content of the reverse voice frame; and the reverse voice frame is sent.
  • the cluster mobile station sends the buffered voice information to the system side after determining that the user enters the voice buffer state and receives the 4 MANN rights on the system side, so as to implement the cluster communication, specifically: the cluster mobile station receives the cluster mobile station.
  • the cluster mobile station sends the buffered voice information to the system side after determining that the user enters the voice buffer state and receives the 4 MANN rights on the system side, so as to implement the cluster communication, the cluster mobile station detects that the cache has been played.
  • the cluster mobile station performs the active release voice call operation; if it is a traditional group call, the cluster mobile station sets a delay channel flag to be true, and keeps the reverse channel; the cluster mobile station sends a push-to-talk release (PTT) Release) The message is sent to the base station side, and the cluster mobile station opens a TPTT Release timer, waiting for a PTT Release Acknowledge message; after the cluster mobile station receives the push-to-talk release confirmation message Turn off the push-to-talk release timer; release the call success. If it is a traditional group call, the cluster mobile station switches from the reverse dedicated voice channel to the reverse shared signaling channel, and the cluster mobile station sets the delay channel flag to false.
  • PTT push-to-talk release
  • the cluster mobile station resends the push-to-talk release message; when the cluster mobile station exceeds When the maximum number of transmissions of the signaling is released, if it is a conventional group call, the cluster mobile station forcibly switches from the reverse dedicated voice channel to the reverse shared signaling channel, and the cluster mobile station sets the flag of the delayed channel to be false; The set voice buffer flag is FALSE, and the voice buffer process is closed; the cluster mobile station enters the idle state of the call.
  • the cluster mobile station sends the buffered voice information to the system side after determining that the user enters the voice buffer state and receives the 4 MANN rights on the system side, so as to implement the cluster communication, the cluster mobile station receives the push button.
  • the cluster mobile station receives the push button.
  • the cluster mobile station stops caching, and clears all voice information; the cluster mobile station releases the call right; the cluster mobile station sends a push-to-talk release confirmation message; the cluster mobile station sets the voice cache flag bit For FALSE, the voice buffering process is closed; the cluster mobile station enters the idle state of the voice.
  • the cluster mobile station sends the buffered voice information to the system side after determining that the user enters the voice buffer state and receives the 4 MANN rights on the system side, so as to implement the cluster communication, specifically: the cluster mobile station receives the system and sends the system The PTT Alert With Information (PTT AWI) message is used for the call; the cluster mobile station stops caching and clears all voice information; the cluster mobile station sets the voice buffer flag to FALSE, and closes the voice buffer process. The cluster mobile station performs the answering operation and enters the listening state.
  • PTT Alert With Information PTT AWI
  • the cluster mobile station sends the buffered voice information to the system side after determining that the user enters the voice buffer state and receives the 4 MANN rights on the system side, so as to implement the cluster communication, specifically: the cluster mobile station receives the system and sends the system If the timer has not timed out, no operation is performed; if the timer has timed out, the cluster mobile station sets the voice buffer flag to FALSE, closes the voice buffering process, and enters the idle state of the voice. .
  • the cluster mobile station sends the buffered voice information to the system side after determining that the user enters the voice buffer state and receives the 4 MANN rights on the system side, so as to implement the cluster communication, the cluster mobile station receives the push button.
  • the release confirmation message clear the timer; the cluster mobile station stops caching, and clears all voice information; the cluster mobile station releases the call right; the cluster mobile station sends a push-to-talk release confirmation message; the cluster mobile station sets the voice cache flag to FALSE , the voice cache process is closed; the cluster mobile station enters the idle state of the voice.
  • a cluster mobile station for a digital trunking communication system including: a cache module, configured to cache voice information of a user; and a determining module, configured to determine whether the user enters a voice buffer state; And a sending module, configured by the cluster mobile station to send the buffered voice information to the system side after determining that the user enters the voice buffer state and receiving the authorization of the system side.
  • FIG. 4 is a flowchart showing a service state of a cluster mobile station according to a preferred embodiment of the present invention
  • FIG. 5 is a diagram showing a traffic state of the cluster mobile station according to a preferred embodiment of the present invention
  • Figure 6 shows a block diagram of a cluster mobile station for a digital trunking communication system in accordance with a preferred embodiment of the present invention.
  • Step S10 buffering the user's voice information in the cluster mobile station
  • Step S20 the cluster mobile station determines to enter the voice buffer state
  • step S30 the cluster mobile station receives the After the authorization on the system side, the cached voice information is sent to the system side to implement cluster communication.
  • the voice camping mode is used in the trunking mobile station, and the 4 MANN user can speak in advance, and the user's voice information is cached, and the buffered voice information is sent to the system side after receiving the 4 MANN rights on the system side.
  • step S20 specifically includes: the cluster mobile station enters a PTT channel initialization substate; determines a voice buffer start flag bit for subsequent processing, and if the voice buffer start flag bit is set, sets a voice buffer state timer, and starts timing, and Set the current state to voice buffer.
  • step S30 specifically includes: if the cluster mobile station is actively late to join, the cluster mobile station automatically sends a PTT request message (the message is used to request to enter the "voice buffer state";), and waits for the PTT Grant message (the The message is used to enter the "voice buffer state" authorization for the request); if the cluster mobile station is not actively joining later, no action is taken, and the PTT Grant message is directly waited.
  • the cluster mobile station After the trunk mobile station receives the PTT Grant message, the cluster mobile station clears the voice buffer state timer, automatically replies to the PTT Grant-ACK (this message is used to confirm the receipt of the PTT Grant message), and reads the voice information from the beginning to obtain Reverse the contents of the speech frame and then send the reverse speech frame. After the cluster mobile station receives the PTT Release message, the cluster mobile station performs a stop buffer operation to stop recording the user's new voice information. When the cluster mobile station detects that the cache has been played, the cluster mobile station performs an active release of the right operation.
  • the cluster mobile station sets a delay channel flag to be true, and maintains the reverse channel; the cluster mobile station sends a PTT Release message (this message is used to request release of the right) to the base station side, the cluster moves The TPTT release timer is opened, and the PTT Release Acknowledge message is sent (this message is used to acknowledge the PTTRelease message;): After the cluster mobile station receives the PTT Release Acknowledge message, the TPTT release timer is closed, and the call right is successfully released.
  • the trunking mobile station switches from the reverse dedicated voice channel to the reverse shared signaling channel (ie, the mobile station exits the reverse dedicated voice channel), and the cluster mobile station sets the flag of one delayed channel to be H. If the TPTT release times out and the cluster mobile station does not receive the PTT Release Acknowledge message, the cluster mobile station resends the PTT Release message. When the cluster mobile station exceeds the maximum number of reverse release signaling, the cluster mobile is used because of the traditional group call.
  • the station forcibly switches from the reverse dedicated voice channel to the reverse shared signaling channel, and the cluster mobile station sets 1 Delayed speaking channel flag is false;
  • the cluster mobile station sets the voice buffer flag to FALSE to close the voice buffer process; the cluster mobile station enters the idle state of the voice.
  • the cluster mobile station will receive the PTT Release message sent by the system, and the cluster mobile station then clears the voice buffer state timer, stops the buffer, and clears all voice information, releasing the call right;
  • the mobile station sends a PTT Release ACK message to the scheduling subsystem.
  • the cluster mobile station sets the voice buffer flag to FALSE, and closes the voice buffer process. At this time, the cluster mobile station enters the idle state of the voice.
  • the cluster mobile station When the cluster mobile station receives the PTT Alert With Information occupied by the call sent by the system, the cluster mobile station stops buffering and clears all voice information. After the cluster mobile station sets the voice buffer flag to FALSE, the voice buffering process is closed. At this point, the cluster mobile station performs the answering operation and enters the listening state.
  • the cluster mobile station receives the PTT Alert With Information that is idle by the system, if the timer does not time out, the cluster mobile station does not perform any operation; if the timer has timed out, the cluster mobile station sets the voice buffer flag to FALSE. The voice buffering process is closed, and the voice idle state is entered.
  • FIG. 4 is a flowchart of a cluster mobile station service state according to a preferred embodiment of the present invention. The processing method of the cluster mobile station service state of the present invention is described in detail below with reference to FIG. 4:
  • the cluster mobile station enters the PTT channel initialization substate. The following operations are required:
  • the cluster mobile station enters the voice buffer state and needs to perform the following operations: 2.1 If the cluster mobile station actively joins late, the cluster mobile station automatically sends a PTT request message to the system side, and waits for the PTT Grant message;
  • the cluster mobile station receives the PTT Grant message
  • the cluster mobile station receives the PTT Release message of the trunked mobile station
  • the cluster mobile station performs a stop cache operation and stops recording new user voice information
  • the cluster mobile station detects that the cache has been played
  • the cluster mobile station performs active release of voice rights operations
  • the cluster mobile station sets a delay channel flag to be true, and keeps the channel in reverse;
  • the cluster mobile station sends a PTT Release message to the base station side, and the cluster mobile station opens the TPTT release timer and waits for the system to confirm (that is, receives the PTT Release Acknowledge message sent by the system side);
  • the TPTT release timer is closed. At this time, the trunking mobile station releases the right of the call successfully. If it is a traditional group call, the trunking mobile station will then switch from the reverse dedicated voice channel to Reverse total Achievement the signaling channel (that is, the cluster mobile station exits the reverse dedicated voice channel), and the cluster mobile station sets the flag of one delayed channel to be false; if the TPTT release times out and the cluster mobile station does not go to the PTT Release Acknowledge message, the cluster moves The station resends the PTT Release message to the system side.
  • the cluster mobile station When the cluster mobile station exceeds the maximum number of times of reverse release signaling, if it is a traditional group call, the cluster mobile station forcibly switches from the reverse dedicated voice channel to the reverse shared message. Let the channel (ie, the cluster mobile station exits the reverse dedicated voice channel), and the flag of the delayed mobile station to set a delayed channel is false;
  • the cluster mobile station sets the voice buffer flag to FALSE to close the voice buffer process.
  • the cluster mobile station enters the idle state of the voice. If the dispatcher forces the cluster mobile station to release the right to speak, the following operations are performed:
  • the cluster mobile station receives the PTT Release message sent by the dispatching station; 2.6.2 The cluster mobile station clears the timer;
  • the cluster mobile station stops caching and clears all recorded cache information
  • the cluster mobile station sends a PTT Release ACK message
  • the cluster mobile station sets the voice buffer flag to FALSE to close the voice buffer process
  • the cluster mobile station enters the idle state of the call. If the cluster mobile station receives the call occupying the AWI message, the following operations will be performed; 2.7.1 The cluster mobile station receives the call from the system. PTT Alert With Information;
  • the cluster mobile station stops caching and clears all recorded cache information
  • the cluster mobile station sets the voice buffer flag to FALSE to close the voice buffer process
  • the cluster mobile station performs the answering operation and enters the listening state. 2.8 If the trunked mobile station receives a call idle AWI message, the following operations will be performed:
  • the cluster mobile station receives the idle call from the system PTT Alert With Information
  • the cluster mobile station sets the voice buffer flag to FALSE, closes the voice buffering process, and enters the idle state of the voice.
  • the cluster mobile station receives the PTT RELEASE ACK message
  • the cluster mobile station sends a PTT Release ACK message
  • the cluster mobile station sets the voice buffer flag to FALSE to close the voice buffer process.
  • FIG. 6 shows a cluster mobile station for a digital trunking communication system according to a preferred embodiment of the present invention.
  • the cache module 10 is configured to cache the voice information of the user; the determining module 20 is configured to determine whether the user enters the voice buffer state; and the sending module 30 is connected to the cache module 10 and the determining module 20, and is configured to determine, by the determining module 20, that the user enters In the voice buffer state, and the cluster mobile station receives the authorization on the system side, the buffered voice information is sent to the system side.
  • the waiting time of the cluster mobile station is relatively high.
  • the present invention provides a voice caching technology for the cluster mobile station, which gives the user 4 rights in advance, allowing The user speaks in advance.
  • the voice buffer of the above embodiment of the present invention is a method of giving a user an authorization in advance.
  • the cluster mobile station can allow the user to talk at any time point, and store the user's voice information in the cluster mobile station.
  • the recorded data After receiving the PTT GRANT message sent by the system side, the recorded data will be directly recorded. Information is sent to the system side to implement cluster communication.
  • the above modules or steps of the present invention can be implemented by a general-purpose computing device, which can be concentrated on a single computing device or distributed over a network composed of multiple computing devices.
  • the invention is not limited to any specific combination of hardware and software.
  • the above is only the preferred embodiment of the present invention, and is not intended to limit the present invention.
  • the present invention can be variously modified and modified. Any modifications, equivalent substitutions, improvements, etc. made therein are intended to be included within the scope of the present invention.

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

Abstract

La présente invention concerne une station mobile à ressources partagées dans un système de communication numérique à ressources partagées et un procédé de traitement correspondant de l’état de service. Le procédé comprend : les informations vocales d’un utilisateur sont mises en mémoire tampon dans la station mobile à ressources partagées, on détermine si la station mobile à ressources partagées se trouve dans un état de mise en mémoire tampon de la voix, lorsque le système mobile à ressources partagées se trouve dans un état de mise en mémoire tampon de la voix, l’utilisateur est autorisé à envoyer des informations vocales mises en mémoire tampon à une extrémité du système au moyen de la station mobile à ressources partagées, et la communication à ressources partagées est mise en place. Un état de service qui se trouve dans un mode de mise en mémoire tampon de la voix est fourni à un système de communication numérique à ressources partagées grâce à l’invention, le problème étant que le traitement de l’état de service de la station mobile à ressources partagées prend beaucoup de temps dans l’art antérieur est surmonté, le temps d’attente est raccourci, et on obtient une satisfaction accrue des utilisateurs.
PCT/CN2008/072137 2008-04-07 2008-08-25 Station mobile à ressources partagées dans un système de communication numérique à ressources partagées et procédé de traitement correspondant de l’état de service WO2009124437A1 (fr)

Applications Claiming Priority (2)

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CN2008100901695A CN101557563B (zh) 2008-04-07 2008-04-07 用于数字集群通信系统的集群移动台及其业务态处理方法
CN200810090169.5 2008-04-07

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CN113301608A (zh) * 2020-02-24 2021-08-24 大唐移动通信设备有限公司 一种传输集群语音业务的方法及网络侧设备

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CN101951560B (zh) * 2010-09-16 2015-06-10 中兴通讯股份有限公司 一种在集群通话中控制话权状态的方法及系统
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CN110830923B (zh) * 2018-08-14 2022-05-17 海能达通信股份有限公司 Mcptt系统中语音接通方法及相关设备

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CN113301608A (zh) * 2020-02-24 2021-08-24 大唐移动通信设备有限公司 一种传输集群语音业务的方法及网络侧设备

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