WO2007028304A1 - Procede et systeme de realisation de service d'appels de groupe - Google Patents

Procede et systeme de realisation de service d'appels de groupe Download PDF

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Publication number
WO2007028304A1
WO2007028304A1 PCT/CN2006/001691 CN2006001691W WO2007028304A1 WO 2007028304 A1 WO2007028304 A1 WO 2007028304A1 CN 2006001691 W CN2006001691 W CN 2006001691W WO 2007028304 A1 WO2007028304 A1 WO 2007028304A1
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WIPO (PCT)
Prior art keywords
group
user
call
group call
network side
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PCT/CN2006/001691
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English (en)
Chinese (zh)
Inventor
Changdong Yang
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Huawei Technologies Co., Ltd.
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Publication date
Application filed by Huawei Technologies Co., Ltd. filed Critical Huawei Technologies Co., Ltd.
Publication of WO2007028304A1 publication Critical patent/WO2007028304A1/fr

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    • 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
    • H04W4/08—User group management

Definitions

  • the present invention relates to the field of voice communication technologies, and in particular, to a method for implementing a group call service and an implementation system thereof. Background technique
  • the existing trunking communication system is an application of point-to-multipoint voice communication service.
  • the general cluster communication systems in the industry mainly include IDEN, TETRA, GT800 and GOTA systems. These communication systems are professional cluster communication systems, which need to set up a dedicated network and need to support terminals with cluster communication functions.
  • the general trunking communication service is mainly a one-to-multipoint half-duplex group call voice service; usually, the trunking communication technology is widely used in various private network communications, such as the traffic police system, the railway system, and its public security system.
  • the cluster communication technology performs cluster communication.
  • public networks such as PLMN networks, or PSTN networks, etc., hereinafter referred to as "public networks,”
  • public networks such as conference call technology, multi-party call technology, and POC. (PTT Over Cellular) technology, etc., where:
  • Conference phone technology The user can participate in the conference by applying the conference call function and dialing the conference group number.
  • the conference call can be attended by many people.
  • the conference call usually uses the conference bridge method to aggregate the multi-party channels, the conference bridge resources are very important for the conference call.
  • the current MSC conference bridge resources are limited and cannot be used.
  • Multi-party calling technology Multi-party calling can support up to six parties to talk at the same time. For example, user A initiates a multi-party call, user A first establishes a call with user B, and maintains a call with B; then establishes a call with user C, and operates through the terminal menu. , let user C join the session, then A, B, C can talk at the same time.
  • User A can establish a call with D, E, and F, respectively, and let them join the session.
  • User A can talk to one of B, C, D, E, and F alone, while holding calls from other users, and can also talk to B, C, D, E, and F at the same time.
  • Multi-party calls require multiple users' communication terminals to support the call hold function.
  • the POC communication service is provided by the public network and is used for a trunking call service carried on an IP network.
  • the disadvantage is that the IP network uses the packet domain bearer, and the voice shield and the real-time nature of the call cannot be Get 4 good guarantees, just equivalent to voice short messages, can not meet the real-time requirements of user group call communication.
  • the technical problem to be solved by the present invention is to propose a method and system for implementing a group call service, so that the group call communication service implemented on the public network can ensure better voice communication quality and real-time requirements.
  • a method for implementing a group call service includes the following steps:
  • the network side of the public communication network accepts the group call service applied by the group user, and assigns the corresponding group call identifier to the group;
  • the network side indexes other user identifiers in the group according to the group call identifier; D. Each other user in the group is called into the group call according to each user identifier that is indexed.
  • the step A specifically includes:
  • the group user When the group user applies for the group call service to the network side, the group user is notified to the network side of each user identifier that is pre-joined to the group;
  • the network side is located in each user identifier notified by the user, and respectively inquires whether the corresponding users agree to join the group;
  • the network side allocates a group call identifier to the group.
  • the step D specifically includes the steps of:
  • the network side respectively calls each corresponding user according to each user identifier that is indexed;
  • the network side After receiving the off-hook signal sent by the user, the network side determines that the user has been called into the group call.
  • each user in the group call established by the network side control after the step D uses a half duplex mode for communication.
  • the method further comprises the steps of:
  • the network side switches the speech channel allocated for the original speaking user to the user who applies for the floor when receiving the requesting floor signaling sent by the user in the group during the group call execution process;
  • the process of the user requesting the floor to the network side in the step E includes: El, the network side pre-specifies the signal sent by the terminal to the network side when the user presses the specified button on the terminal, as the application for the voice message. Order
  • the method further comprises the steps of:
  • the network side deletes the user in the group user participating in the group call when receiving the group call signaling sent by the user in the group in the group call execution process.
  • the exit group call signaling is a user hang up signal.
  • the public communication network is a public land mobile communication network; or a public switched telephone network.
  • the group call identifier is group call number information; and the user identifier is user number information.
  • a system for implementing a group call service the implementation system is based on a public communication network, and includes: an accepting unit, configured to receive a group call service applied by a group user, and assign a corresponding group call identifier to the group;
  • a binding unit configured to bind the group call identifier allocated by the receiving unit to the group, and each user identifier in the group;
  • An indexing unit configured to index, in the binding unit, other individual user identifiers in the group according to the group call identifier, when any user in the group calls the group call identifier;
  • the inbound unit is configured to call each other user in the group into the group call according to each user identifier indexed by the index unit.
  • the receiving unit specifically includes:
  • a receiving subunit configured to receive, when the group user applies for a group call service, a user identifier that is pre-joined by the group user to join the group;
  • An inquiry subunit configured to separately query, according to each user identifier received by the receiving subunit, whether the corresponding user agrees to join the group;
  • a group call identifier allocation subunit configured to allocate a group call identifier to the group
  • a notification subunit configured to notify each user in the group that the group success information and the group call identification subunit assigned to the group are respectively assigned to the group call identifier.
  • the incoming unit specifically includes: a call subunit, configured to respectively call each user according to each user identifier indexed by the index unit;
  • a sending subunit configured to send the group call identifiers allocated by the receiving unit to respective user terminal sides of the call subunit call to display;
  • the incoming call subunit is determined, and each user for calling the call subunit determines that the user has been called into the group call after receiving the off-hook signal sent by the user.
  • the system further includes a half-duplex communication control unit, configured to control communication between the users in the group call established by the incoming call unit by using a half-duplex mode.
  • a half-duplex communication control unit configured to control communication between the users in the group call established by the incoming call unit by using a half-duplex mode.
  • the half duplex communication control unit specifically includes:
  • a session switching sub-unit configured to allocate a speech for the original speaking user when receiving the requesting floor signaling sent by the user in the group during the group call execution process established by the calling unit The road is switched to the user who has the right to speak;
  • the answer state setting subunit is used to set the original speaking user to the answering state.
  • the system further includes a user deletion unit, configured to: when receiving the group call signaling sent by the user in the group in the group call execution process established by the call-in unit, Delete the user from the group users who participated in the group call.
  • a user deletion unit configured to: when receiving the group call signaling sent by the user in the group in the group call execution process established by the call-in unit, Delete the user from the group users who participated in the group call.
  • the solution of the present invention proposes that after receiving the group call service applied by the group user on the network side of the public communication network, and assigning the corresponding group call identifier to the group, the group call identifier assigned to the group and each group in the group
  • the user identifier is bound; when any user in the group calls the group call identifier, the network side indexes other user identifiers in the group according to the group call identifier; and according to each user identifier that is indexed,
  • the other users in the group are called into the group call, so that when the group call communication service is performed in the public communication network, the voice communication quality and the voice communication real-time requirement can be ensured; and the present invention
  • the solution does not require the change of the ordinary user terminal, nor does it affect the mobility of the user, and the user's monthly average charge (ARPU, Average Revenue Per User) is correspondingly increased.
  • FIG. 1 is a flowchart of a main implementation principle of a method for implementing a group call service according to the present invention
  • FIG. 2 is a schematic diagram of a process of applying for a group call service to a public network side by any user in a group;
  • FIG. 3 is a block diagram showing the main components of a system for implementing a group call service according to the present invention.
  • FIG. 4 is a structural block diagram of a group-call service implementation system in which a half-duplex communication control unit and a user delete unit are added;
  • FIG. 5 is a block diagram of a specific structure of an accepting unit in a group call service implementation system according to the present invention
  • FIG. 6 is a block diagram showing a specific composition of an incoming call unit in a group call service implementation system according to the present invention
  • the present invention is to provide a new method and system for implementing a group call communication service on a public communication network to ensure better voice communication quality and communication real-time requirements without requiring modification of the user terminal.
  • FIG. 1 is a flowchart of the main implementation principle of the method for implementing the group call service of the present invention.
  • the main implementation process is as follows:
  • Step S10 The network side of the public communication network accepts the group call service applied by the group user, and assigns the corresponding group call identifier to the group;
  • the public communication network mentioned herein may be, but not limited to, a Public Land Mobile Communication Network (PLMN); it may also be a Public Switched Telephone Network (PSTO);
  • PLMN Public Land Mobile Communication Network
  • PSTO Public Switched Telephone Network
  • the process of applying for group call service to the public network side by any user in one group is as shown in Figure 2.
  • the specific application process is as follows: a user in the group notifies the public network side of each user ID that is pre-joined to the group when applying for the group call service to the public network side;
  • the user identifiers of the pre-joined group that are notified may be the number information of each user (such as the MSISDN of the mobile user, etc.);
  • Any user in the group can apply for group call service to the public network side through short message mode, or through customer service telephone (such as China Mobile's 1860 customer service phone), or directly to the business hall. Notifying the public network side of each user ID that is pre-joined to the group.
  • the public network side separately asks the corresponding users whether to agree to join the group according to the user identifiers notified by the application user.
  • the public network side can separately query whether the corresponding users are respectively through short message or through customer service telephone. Agree to join the group.
  • the public network side will join the group to join the group, and assign the group call identifier to the group.
  • the group call identifier assigned to the group on the public network side can be the group call number information, such as The "12345" number information can be used to represent the group call identifier of a group;
  • the public network side adds the group success information and the group call identifier assigned to the group to each user in the group (including the application user and each user pre-joining the group).
  • the public network side can also notify the group success information and the group call identifier assigned to the group to each user in the group by short message or by customer service.
  • the application user can apply for the group call service to the public network operator through SMS, or directly to the business hall, or through the 1860 service platform.
  • an inquiry message is sent to each user in the group. If the user agrees to join the group, the public network operator sends a message to join the public network, or notify the operator to join the business through the business hall.
  • the network adds the user member to the group, and assigns a group call ID to the group, and then notifies the message by SMS or telephone notification, email notification, etc.
  • Each member of the group the network has been approved to join the group and its group call ID information assigned to the group to notify each member of the group that the group call ID and the group are available Other users implement group call voice communication.
  • step S20 the public network side binds the group call identifier assigned to the group to each user identifier in the group; that is, establishes a corresponding group call file for the group in the corresponding database on the network side.
  • the file stores the user identification information in the group, and the group call identifier assigned by the network side to the group, so that the network side can pass the group call identifier of any user call in the group. Looking up the group call file, you can find the user ID information of any user in the group.
  • Step S30 When any user in the group calls the group call identifier (that is, any user in the group wants to initiate the group call communication, the group call can be dialed to the public network side)
  • the identification information if the group call identifier is "12345" number information, the group call service can be initiated to the public network side by dialing the group call number "12345", and the public network side is based on the group call identifier index of the user call.
  • the group call identifier is "12345" number information
  • Step S40 The public network side calls the other users in the group to the group call according to the respective user identifiers in the index, where the specific incoming call process is as follows:
  • the public network side separately calls each user according to each user identifier that is indexed by the above-mentioned index; and simultaneously sends the indexed group call identifier to the corresponding user terminal side for display; thus, when each user receives the group call, By identifying the group call identifier information, it is determined whether to join the group call.
  • the user can press a specific answer button on the terminal device, so that the user terminal device can be connected to the public network side. Send an off-hook answer signal;
  • the public network side can determine that the user has been called into the group call.
  • Any user in the group can initiate a group call service to the public network side by calling the group call ID.
  • the public network side queries the number of each member in the group through the group call ID. And the members of each group are connected to the group by paging according to each member number that is queried.
  • the public network side analyzes the ID. The number, knowing that the call is a group call, according to the saved user number in the group, if it is a mobile user, obtaining the IMSI of the user and the location area where the user in the group is located, and sequentially initiating paging for the user in the group; if it is fixed User, then call the fixed number.
  • the network side ringing prompts the user, and the user in the group can judge a certain group call according to the caller ID number, and the user responds to the group call by pressing the answer button, and the network gives each The user allocates a dedicated channel.
  • the network side can control the point-to-multipoint voice communication between the users in the established group call by using the half-duplex mode.
  • the public network side When the voice communication is performed between the group users based on the half-duplex mode, the public network side will be the original when the group call is received during the group call execution.
  • the speech channel assigned by the speaking user is switched to the user who applies for the floor, and the original speaking user is set to the answering state.
  • the network side pre-specifies that when the user presses a predetermined button (such as a "*" button, or a "#” button) on the terminal, the signal sent by the terminal to the public network side is used as the application floor signaling;
  • a predetermined button such as a "*" button, or a "#” button
  • any user in the group can apply for the right to speak to the public network side by pressing the above-mentioned prescribed 4 on the terminal in the group call process.
  • the public network side After the establishment of the group call is successful, the public network side connects the uplink call of the group call initiator to the downlink of other listeners in the group, and realizes point-to-multipoint voice distribution. At this time, the user who initiated the group call occupies the speech channel, and other users are in the listening state. After the other users need to speak, the voice channel application is initiated by pressing a button (such as *, # or numeric key, etc.), and the public network side receives the signaling of the right to speak, and then assigns the speaker's voice to the button to apply for speaking.
  • a button such as *, # or numeric key, etc.
  • the user of the right, and the speaker's uplink voice channel is switched to the downlink of other listeners, that is, after the public network side receives the signaling of the right to speak on the listener channel, the listener needs to speak, then Exchange the listener's uplink channel to other
  • the voice of the speaker can be distributed to the downlink of other users in the group through the voice distribution on the network side, and other users in the group can hear the user's speech.
  • the same method as above can be used to apply for the floor, and so on, until all users withdraw from the group call or the group is canceled.
  • the user when receiving the group call signaling sent by the user in the group, the user immediately deletes the user in the group user participating in the group call.
  • the user in the group can send the outgoing group call signaling to the public network side by pressing the on-hook button on the terminal device. After the public network side confirms that all the users in the group have quit the group call communication, the group call is immediately cancelled.
  • each user in the group is assigned a voice channel, the user and the network side maintain a dedicated connection, so the user's mobile switching process is not affected.
  • the local network switch can analyze the number of the users in the group after the group call is established, and then page or forward to other networks for connection, so as to achieve the connection in different public networks. Users in each group perform subsequent processing.
  • a user applies for a group call ID to the public network operator through SMS, and the application text message includes the mobile phone numbers of four people A, B, C, and D;
  • the public network side After receiving the short message, the public network side sends an inquiry message to the B, C, and D persons to ask whether they are willing to join the group initiated by the user A;
  • A, B, and CD are grouped into one group, and a dedicated group call ID is assigned to the group. Assume that the group call ID is 12345 (different from the normal user number). After the above processing.
  • the group call application registration is successful.
  • the four people can refer to the group as a team of riders.
  • the public network side After receiving the 12345 group call application, the public network side searches for the group member number information of the 12345 group according to the group call ID "12345, and extracts the IMSI numbers of each member in the group, and sequentially performs paging. After the paging is successful, the network allocates a dedicated traffic channel for each called user, and exchanges the uplink voice channel of user A to the downlink voice channel of users B, C, and D.
  • the mobile phone rings the prompt, the caller number is displayed as 12345, indicating that the caller group initiated the group call, and the user B, C, D answers the call, and can receive the voice of A. .
  • the application for the right of the caller signaling is sent to the public network side, and the analysis of the public network side is the requesting floor signaling sent by user B. Then, the uplink voice channel of B is switched to the downlink voice channel of A, C, and D. A, C, and D can hear the voice of B, and other users need to speak, and the same processing is performed.
  • the public network side can immediately remove the user C's voice channel after receiving the exit group call signaling sent by the terminal by pressing the on-hook button, but the user C does not affect the user.
  • the present invention also provides a system for implementing a group call service.
  • FIG. 3 is a main block diagram of a system for implementing a group call service according to the present invention.
  • the system is based on a public communication network, that is, the present invention.
  • the proposed group call service implementation system is set on the public network side, and uses existing resources such as communication equipment and transmission lines of the public network; specifically, it mainly includes the receiving unit 10, the binding unit 20, the index unit 30, and the incoming call.
  • the unit 40 wherein the functions of the respective constituent units and the interconnection relationship between the respective constituent units are as follows:
  • the receiving unit 10 is configured to receive the group call service applied by the group user, and assign the corresponding group call identifier (group call ID) to the group;
  • the binding unit 20 has a logical connection with the above-mentioned receiving unit 10, and is mainly used for the group call ID assigned by the receiving unit 10 to the group and each user identifier (user ID) in the group. Bind;
  • the indexing unit 30 is connected to the binding unit 20, and is mainly used to index the group call ID according to the group call ID when the group call ID is called by any user in the group. Other individual user IDs within the group;
  • the incoming unit 40 has a logical connection with the index unit 30, and is mainly used to respectively call each other user in the group into the group call according to each user identifier indexed by the index unit 30.
  • FIG. 4 is a structural block diagram of a half-duplex communication control unit and a user deletion unit in the group call service implementation system of the present invention.
  • the half-duplex communication control unit is added to the structure of FIG. 3 . 50 and the user delete unit 60 two parts, the specific role of each component is as follows:
  • the half-duplex communication control unit 50 has a logical connection with the above-mentioned incoming call unit 40, and is mainly used for controlling the communication between the users in the group call established by the incoming call unit 40 by using the half-duplex mode.
  • the user deletion unit 60 has a logical connection with the incoming call unit 40, and is mainly used to receive the exit group call signaling sent by the user in the group during the group call execution process established by the call-in unit 40. At the time, the user is deleted from the group user who participated in the group call.
  • FIG. 5 it is a block diagram of a specific component structure of an accepting unit in the group call service implementation system of the present invention.
  • the receiving unit mainly includes a receiving subunit 101, an interrogating subunit 102, a joining subunit 103, and a group call identifier assigning subunit.
  • 104 and the notification sub-unit 105 five parts, the specific role of each component and the connection relationship between the various constituent units are as follows:
  • the receiving subunit 101 is configured to receive, when the group user applies for the group call service, each user identifier (user ID) that is notified by the group user and is pre-joined to the group;
  • the query subunit 102 is configured to separately query, according to each user ID received by the receiving subunit 101, whether the corresponding users agree to join the group;
  • the adding sub-unit 103 is configured to join the user who agrees to join according to the inquiry result of the inquiry sub-unit 102;
  • a group call identifier allocation sub-unit 104 configured to allocate a group call identifier (group call ID) to the group;
  • the notification sub-unit 105 is configured to respectively notify the group users who have joined the group success information and the group call identity assignment sub-unit 104 to the group to each user in the group.
  • the call-in unit specifically includes a call sub-unit 401, a sending sub-unit 402, and a determined call-in sub-unit 403, wherein each
  • the specific role of the components and the connections between the various components are as follows:
  • the calling subunit 401 is configured to respectively call each corresponding user according to each user ID indexed by the index unit 30;
  • the sending subunit 402 is configured to display, by the calling subunit 401, the group call IDs assigned to the group by the calling unit 10 to the respective user terminal sides of the call for display;
  • the incoming call subunit 403 is determined, and each user for calling the call subunit 401 determines that the user has been called into the group call after receiving the off-hook signal sent by the user.
  • FIG. 7 is a block diagram of a specific structure of a half-duplex communication control unit in the group call service implementation system of the present invention.
  • the half-duplex communication control unit mainly includes a session switching sub-unit 501 and an answering state setting sub-unit. 502, the specific effects of its various components are as follows:
  • the session switching sub-unit 501 is configured to allocate a speech for the original speaking user when receiving the requesting floor signaling sent by the user in the group during the group call execution process established by the calling unit 40.
  • the voice channel is switched to the user who has the right to speak;
  • the answering state setting sub-unit 502 is configured to set the original speaking user to the answering state during the completion of the speech session switching by the session switching sub-unit 501.

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

Abstract

La présente invention concerne un procédé destiné à réaliser un service d'appels de groupe, qui comprend les étapes suivantes: réception par le côté réseau de communication publique du service d'appels de groupe demandé par les utilisateurs du groupe ; distribution de l'ID d'appels du groupe correspondante pour le groupe ; jumelage d'ID d'appels du groupe distribué pour le groupe avec chaque ID d'utilisateur dans le groupe ; indexation par le côté réseau des autres ID d'utilisateur dans le groupe quand un utilisateur dans le groupe appelle l'ID d'appels du groupe ; appel des autres utilisateurs dans le groupe selon chaque ID d'utilisateur qui a été indexée. L'invention offrant un service d'appels de groupe réalisé dans un réseau public assure également une qualité de communication vocale ainsi que la satisfaction des besoins en temps réel.
PCT/CN2006/001691 2005-09-06 2006-07-17 Procede et systeme de realisation de service d'appels de groupe WO2007028304A1 (fr)

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CNA2005100984035A CN1852490A (zh) 2005-09-06 2005-09-06 组呼业务的实现方法及其系统

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