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WO2014086180A1 - Réseau d'accès de groupe, équipement terminal et procédé pour se joindre à un groupe - Google Patents

Réseau d'accès de groupe, équipement terminal et procédé pour se joindre à un groupe Download PDF

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Publication number
WO2014086180A1
WO2014086180A1 PCT/CN2013/083269 CN2013083269W WO2014086180A1 WO 2014086180 A1 WO2014086180 A1 WO 2014086180A1 CN 2013083269 W CN2013083269 W CN 2013083269W WO 2014086180 A1 WO2014086180 A1 WO 2014086180A1
Authority
WO
WIPO (PCT)
Prior art keywords
group
cluster
channel
configuration information
rnti
Prior art date
Legal status (The legal status 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 status listed.)
Ceased
Application number
PCT/CN2013/083269
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English (en)
Chinese (zh)
Inventor
徐维江
万强
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ZTE Corp
Original Assignee
ZTE Corp
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 ZTE Corp filed Critical ZTE Corp
Priority to MX2015006941A priority Critical patent/MX339986B/es
Priority to RU2015123299A priority patent/RU2616882C2/ru
Publication of WO2014086180A1 publication Critical patent/WO2014086180A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/10—Connection setup
    • H04W76/11—Allocation or use of connection identifiers
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W68/00—User notification, e.g. alerting and paging, for incoming communication, change of service or the like
    • 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
    • H04W8/00—Network data management
    • H04W8/26—Network addressing or numbering for mobility support

Definitions

  • Cluster access network terminal device and method for joining cluster group
  • the present invention relates to a mobile communication system, and describes a cluster access network, a terminal device, and a method of joining a group.
  • Cluster communication is a kind of mobile scheduling system.
  • the cluster service provided by the cluster communication has the technical features of channel sharing and dynamic allocation, and can provide communication services such as dedicated command and dispatch for group users such as departments and units.
  • the digital trunking communication system has also proposed various requirements such as broadband, high-speed, and smooth evolution.
  • channel sharing is a key technology.
  • the trunking communication system uses the channel common to realize simultaneous transmission of information to multiple called users, so as to realize simultaneous scheduling and command to multiple called users.
  • 2G or 3G cluster systems based on GSM, CDMA2000, and WCDMA technologies
  • channel sharing has mature implementation solutions and a wide range of applications.
  • broadband channel sharing based on Long Term Evolution (LTE) is a key issue called broadband clustering technology.
  • LTE Long Term Evolution
  • the technical problem to be solved by the present invention is to provide a cluster access network, a terminal device, and a method for joining a cluster group, so as to solve the problem of channel sharing in the process of cluster broadbandization and broadband clustering evolution.
  • the present invention discloses a method for joining a cluster group, including:
  • the group group message of the group is used to receive the group paging message of the group, and the private scrambled descrambling identifier (T-RNTI) of the group is obtained therefrom.
  • the non-speaking user equipment receives the group broadcast message on the broadcast control channel (TGCCH) channel of the group to be joined, and solves the received group broadcast message by using the acquired private T-RNTI of the group.
  • the interference obtain the group shared channel configuration information, and configure the shared data channel according to the content of the group shared channel configuration information, and receive the downlink shared data of the cluster call on the shared data channel.
  • the above method further includes:
  • the cluster access network After the group call is established, the cluster access network periodically sends a group paging message on the cluster paging channel, where the group paging message carries the group identifier and the group private scrambling descrambling identifier (T- RNTI);
  • the cluster access network transmits a group broadcast message scrambled by the group private T-RNTI in a group unit on a broadcast control channel (TGCCH) independently established for the group, where the group broadcast message carries the group
  • TCCH broadcast control channel
  • the group shared channel configuration information at least includes: a physical layer radio resource of a group downlink data sharing channel (TGTCH), a bearer resource information of a wireless data bearer at each layer protocol stack of the air interface, and a core
  • a cluster access network device comprising:
  • the first unit is configured to: after the group call is established, periodically send a group paging message on the cluster paging channel, where the group paging message carries the group identifier and the group private scrambled descrambling identifier ( T-RNTI);
  • the second unit is configured to: send a group broadcast message scrambled by the group private T-RNTI in a group unit on a broadcast control channel (TGCCH) independently established for each group, the group broadcast message
  • the group carries the channel shared channel configuration information.
  • the group shared channel configuration information includes at least: a physical layer radio resource of a group downlink data sharing channel (TGTCH), and a bearer of a wireless data bearer at each layer protocol stack of the air interface. Resource information, call types specified by the core network, and core network fingers The call properties are fixed.
  • the cluster access network device is an evolved base station.
  • the invention also discloses a terminal device, comprising:
  • the first unit is configured to: when the terminal device applies for joining a group, the group identifier of the group is received by using the group identifier of the group, and the private T-RNTI of the group is obtained therefrom;
  • the second unit is configured to: receive a group broadcast message on a broadcast control channel (TGCCH), and perform descrambling on the received group broadcast message by using the acquired private T-RNTI of the group to obtain group sharing.
  • TCCH broadcast control channel
  • Channel configuration information
  • the third unit is configured to: configure the shared data channel according to the acquired content of the group shared channel configuration information, and receive downlink shared data of the cluster call on the shared data channel.
  • the group shared channel configuration information includes:
  • TTCH group downlink data sharing channel
  • the terminal device is a Long Term Evolution (LTE) terminal device.
  • LTE Long Term Evolution
  • the technical solution of the present application proposes a method and device for a cluster user to join a group call based on the LTE technology, and effectively realizes the key problem of medium channel sharing in the process of cluster broadbandization and broadband clustering evolution.
  • FIG. 1 is a flowchart of a conventional LTE access
  • FIG. 2 is a processing flowchart of receiving, by a non-spoken user, a processing group private downlink shared channel configuration message on a common group downlink shared channel according to the embodiment
  • FIG. 3 is a working location diagram of a group shared channel configuration message in an LTE-based cluster called eNodeB instance establishment process;
  • FIG. 4 is a LTE-based cluster called instance to add, delete, and modify group downlink broadcast data.
  • the action location map of the group shared channel configuration message
  • FIG. 5 is a working location diagram of a group shared channel configuration message in a late access procedure of a clustered called user based on LTE. Preferred embodiment of the invention
  • This embodiment describes a method for joining a cluster group, which mainly implements a process of joining a cluster group by a non-spoken user equipment. details as follows:
  • the group group message of the group is used to receive the group paging message of the group, and the private scrambled descrambling identifier (T-RNTI) of the group is obtained therefrom.
  • the non-speaking user equipment receives the group broadcast message on the broadcast control channel (TGCCH) channel of the group to be joined, and solves the received group broadcast message by using the acquired private T-RNTI of the group.
  • the interference obtain the group shared channel configuration information, and configure the shared data channel according to the content of the group shared channel configuration information, and receive the downlink shared data of the cluster call on the shared data channel.
  • process of joining the non-spoken user equipment to the cluster group also includes the operation process of the cluster access network side, and the process is as follows:
  • the cluster access network After the group call is established, the cluster access network periodically sends a group paging message on the cluster paging channel, where the group paging message carries the group identifier and the group private scrambling descrambling identifier (T- RNTI);
  • the cluster access network transmits a group broadcast message scrambled by the group private T-RNTI in a group unit on a broadcast control channel (TGCCH) independently established for the group, where the group broadcast message carries the group
  • TCCH broadcast control channel
  • the group shared channel configuration information sent by the cluster access network on the TGCCH is the most critical message in the group broadcast control signaling, and includes at least the following three types of information:
  • the physical layer radio resource of the group downlink data sharing channel TGTCH 2.
  • the wireless data carries bearer resource information of each layer protocol stack of the air interface;
  • the group shared channel configuration information also has the following application scenarios:
  • the shared channel configuration information of the group can be used to establish, modify, delete, and the like of the downlink broadcast data multi-bearer after the group is established.
  • the non-spoken user receives the processing group private downlink shared channel configuration information on the common group downlink shared channel to complete the process of joining the group call.
  • the process is as shown in FIG. 2, and includes the following steps 201 to 204. ,
  • Step 201 The eNodeB broadcasts a group paging message to the cell through the paging channel, where the message carries the group ID identifier and the private scrambled descrambling identifier T-RNTI of the group.
  • the purpose of sending the group paging message is to broadcast the existence of the group to the cell, and carry the most basic information of the access group call.
  • Step 202 After receiving the group paging message, the same group terminal responds to the paging response message, and monitors the TGCCH channel by using the T-RNTI in the group paging message as a scrambling code, and parses the TGCCH channel message to wait for receiving the same group.
  • the group shares channel configuration information.
  • Step 203 The eNodeB receives the paging response message of the terminal. If the group instance is not established, the group instance is established and the group shared channel configuration information is sent on the TGCCH, and the group shared channel configuration information is used by the group.
  • the group's T-RNTI is scrambled as a scrambling code, and at the same time, a TGTCH shared data channel is established inside the eNodeB.
  • Step 204 The terminal monitors the TGCCH, performs descrambling with the same T-RNTI, obtains the correct shared channel configuration information of the group, obtains related radio physical resource information and radio data bearer information, and establishes the same TGTCH share configured as the eNodeB. Data channel.
  • the non-speaking user and the eNodeB use the same configured TGTCH, which enables the non-right user terminal to receive and parse the downlink broadcast data sent by the eNodeB on the TGTCH, so that the process of joining the user to the group is completed.
  • the timing of the downlink broadcast channel configuration message guiding the user to join the group in the whole process is shown in FIG. 3. It can be seen from the figure that the message triggers the eNodeB to establish a group instance in the paging response, and establishes downlink broadcast data in the eNodeB. After the bearer channel TGTCH is sent, that is, the eNodeB first completes its own establishment.
  • the air interface between the eNodeB and the terminal supports establishing a multi-data bearer.
  • the process of establishing, modifying, and deleting multiple bearers is shown in Figure 4, which is similar to the group establishment process.
  • the joining group of such a user is implemented by the eNodeB sending the group paging message and the group shared channel configuration information in a periodic manner.
  • the terminal can receive the group paging message at any time.
  • the terminal further analyzes the most basic resource T-RNTI of the group call in the message.
  • the TGCCH signaling is used as the scrambling code, and the correct message can be parsed into the group configuration message sent by the same T-RNTI.
  • the downlink broadcast data bearer TGTCH can be established. Users will join the group at any time after the arrival time.
  • Embodiment 2 This embodiment describes a cluster access network device, which includes at least a first unit and a second unit.
  • the first unit after the group call is established, periodically sends a paging message on the cluster paging channel, where the group paging message carries a group identifier (ID) and a group private T-RNTI;
  • ID group identifier
  • T-RNTI group private T-RNTI
  • the second unit sends a group broadcast message scrambled by the group private T-RNTI in a group unit on the broadcast control channel TGCCH independently established for each group, where the group broadcast message carries the group share Channel configuration information.
  • the group shared channel configuration information includes at least the following three types of information: 1. Physical layer radio resources of the group downlink data sharing channel (TGTCH);
  • the wireless data carries the bearer resource information of each layer protocol stack of the air interface; 3. Other information, such as the call type specified by the core network and the call attribute specified by the core network.
  • the foregoing cluster access network device may be an evolved base station eNodeB.
  • Embodiment 3 This embodiment describes a terminal device including at least a first unit, a second unit, and a third unit.
  • the first unit when the terminal device applies for joining a group, the group identifier of the group is received by using the group identifier of the group, and the private T-RNTI of the group is obtained therefrom;
  • a second unit receiving a group broadcast message on a group-dedicated broadcast control channel TGCCH, and descrambling the received group broadcast message by using the acquired private T-RNTI of the group to obtain a group shared channel Configuration information;
  • the third unit configures the shared data channel according to the acquired content of the group shared channel configuration information, and receives the downlink shared data of the cluster call on the shared data channel.
  • the group shared channel configuration information includes at least the following three types of information:
  • TTCH Physical layer radio resources of the group downlink data sharing channel
  • the wireless data carries bearer resource information of each layer protocol stack of the air interface
  • the foregoing terminal device may be an LTE terminal device.
  • One is the periodic retransmission group paging message, and the sending interval can be configured according to the actual network conditions. To ensure that the terminal can receive, while saving system overhead;
  • the second is the configuration of the bearer information collection. Due to the cluster inheritance and the multi-service bearer feature supporting LTE, periodic transmission is performed to ensure that the group downlink data can be received regardless of when the non-right-sense user accessing the system later accesses the system.
  • the latest configuration of the shared channel bearer information, and the number of bearers is the current number of bearers.
  • the technical solution of the present application proposes a method and device for a cluster user to join a group call based on the LTE technology, and effectively realizes the key problem of medium channel sharing in the process of cluster broadbandization and broadband clustering evolution.

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

Abstract

L'invention porte sur un système de communication mobile, et, en particulier, un réseau d'accès de groupe, un équipement terminal et un procédé pour se joindre à un groupe. Le procédé pour se joindre à un groupe consiste à : lorsqu'un équipement utilisateur sans droit de parole demande à se joindre à un certain groupe, recevoir un message de recherche de mobile de groupe du groupe à l'aide d'un identificateur de groupe du groupe, et acquérir un T-RNTI privé du groupe à partir de ce message ; et recevoir, par l'équipement utilisateur sans droit de parole, un message de diffusion de groupe sur un canal TGCCH du groupe auquel il souhaite se joindre, désembrouiller le message de diffusion de groupe reçu à l'aide du T-RNTI privé acquis du groupe, acquérir des informations de configuration de canal partagé de groupe, configurer le canal de données partagées conformément au contenu des informations de configuration de canal partagé de groupe, et recevoir des données partagées de liaison descendante d'un appel de groupe sur le canal de données partagées. Un dispositif de réseau d'accès de groupe et un équipement terminal sont également décrits. La solution technique de la présente demande résout efficacement le problème clé de partage de canal dans un groupe à bande large et un processus d'évolution de groupe à bande large.
PCT/CN2013/083269 2012-12-03 2013-09-11 Réseau d'accès de groupe, équipement terminal et procédé pour se joindre à un groupe Ceased WO2014086180A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
MX2015006941A MX339986B (es) 2012-12-03 2013-09-11 Red de acceso de cluster, equipo terminal y procedimiento para unirse a un grupo de clusteres.
RU2015123299A RU2616882C2 (ru) 2012-12-03 2013-09-11 Сеть кластерного доступа, оконечное оборудование и способ присоединения к кластерной группе

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201210507443.0A CN103856903B (zh) 2012-12-03 2012-12-03 一种集群接入网、终端设备和加入集群组的方法
CN201210507443.0 2012-12-03

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WO2014086180A1 true WO2014086180A1 (fr) 2014-06-12

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CN (1) CN103856903B (fr)
MX (1) MX339986B (fr)
RU (1) RU2616882C2 (fr)
WO (1) WO2014086180A1 (fr)

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CN106792574B (zh) * 2015-11-19 2019-11-22 普天信息技术有限公司 一种基于终端到终端的集群直接通信方法
CN105451194A (zh) * 2015-12-04 2016-03-30 海能达通信股份有限公司 一种rnti的分配方法、数据处理方法和调度机及终端
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CN112740622B (zh) * 2018-11-30 2023-01-31 思莱克技术公司 用于生成外部共享通信信道的方法和装置
CN112543206B (zh) * 2019-09-20 2022-06-03 成都鼎桥通信技术有限公司 群组建立的方法、接入设备、系统及存储介质
CN119014033A (zh) * 2022-04-15 2024-11-22 华为技术有限公司 用于利用级联模型进行多阶段机器学习的装置和方法

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Also Published As

Publication number Publication date
CN103856903A (zh) 2014-06-11
CN103856903B (zh) 2018-07-06
RU2015123299A (ru) 2017-01-13
MX339986B (es) 2016-06-21
MX2015006941A (es) 2015-09-21
RU2616882C2 (ru) 2017-04-18

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