WO2013131446A1 - Procédé et dispositif de notification d'informations de priorité de transmission - Google Patents

Procédé et dispositif de notification d'informations de priorité de transmission Download PDF

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Publication number
WO2013131446A1
WO2013131446A1 PCT/CN2013/072053 CN2013072053W WO2013131446A1 WO 2013131446 A1 WO2013131446 A1 WO 2013131446A1 CN 2013072053 W CN2013072053 W CN 2013072053W WO 2013131446 A1 WO2013131446 A1 WO 2013131446A1
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Prior art keywords
group call
call session
mce
message
network device
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PCT/CN2013/072053
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English (en)
Chinese (zh)
Inventor
焦斌
王胡成
谌丽
艾明
徐晖
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电信科学技术研究院
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Publication of WO2013131446A1 publication Critical patent/WO2013131446A1/fr

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/40—Connection management for selective distribution or broadcast

Definitions

  • the invention discloses a method and a device for notifying the right to call information.
  • the application is filed on March 5, 2012, the Chinese Patent Office, the application number is 201210055097.7, and the invention is entitled "A Method and Device for Notifying the Right Information" of the Chinese Patent Application Priority, the entire contents of which are incorporated by reference in the technical field of the present application
  • the present invention relates to the field of communications technologies, and in particular, to a method and device for notifying a right message. Background technique
  • FIG. 1 it is a schematic diagram of a logical structure of an MBMS (Multimedia Broadcast Multicast Service); an M1 interface is a user plane interface defined between an eNB (base station) and an MBMS GW (gateway), and is used by IP-cast-based point-to-multipoint user plane data transmission between the MBMS GW and the eNB; the M2 interface is a control plane interface defined between the eNB and the MCE (MBMS Coordination Entity), and is used for MBMS session management Function and MBMS scheduling information provisioning function; The M3 interface is a control plane interface defined between the MME (Mobility Management Entity) and the MCE, and it is used for the MBMS session management function.
  • MME Mobility Management Entity
  • MBSFN Multimedia Broadcast Multicast Service Single Frequency Network
  • MBSFN Multimedia Broadcast Multicast Service Single Frequency Network
  • the cells in the MBSFN area are all of the same frequency.
  • This mode can save frequency resources and improve spectrum utilization.
  • multiple cells are required to transmit the same content at the same time, so that the UE (User Equipment)
  • the receiver can treat multiple MBSFN cells as one large cell; therefore, the UE will not only be subject to inter-cell interference transmitted by neighboring cells, but will also benefit from the superposition of signals from multiple MBSFN cells.
  • the MBMS dedicated cell and the MBMS/unicast hybrid cell can adopt the MBSFN transmission mode.
  • the time difference problem of multipath propagation can also be solved, thereby eliminating intra-cell interference.
  • the diversity effect brought by the multi-cell co-frequency transmission can also solve problems such as blind zone coverage, enhance the reliability of reception, and improve coverage.
  • the trunking communication system communicates in a half-duplex mode, and the PTT (Push To Talk) key controls the acquisition and release of the channel during operation, the channel utilization rate is high, and the call connection is fast; and the users in the group share the downlink channel, resources. High utilization rate; and the trunking communication system can guarantee the privacy and security of the call through voice encryption; preferentially allocate channels for high-priority users or services; ensure emergency communication through fault weakening function; Level group scheduling command function.
  • PTT Push To Talk
  • the current trunking communication system is developed into a broadband trunking communication system stage, based on the most advanced wireless transmission technologies, such as LTE (Long Term Evolution) technology, which can realize the leap of various functions and technologies of the trunking communication system; and the broadband trunking communication system It has the characteristics of diversified service types, diverse transmission modes, large bandwidth, and high transmission rate.
  • the supported services include voice, data, and video.
  • the transmission methods include unicast, group call, and multicast. Working in full-duplex mode, group call and multicast use half-double Working mode.
  • the core network device cannot notify the UE of the specific group of the call right indication information related to the group call session; In the case of a specific group of UEs, the UE cannot be preempted by means of initiating a right to preempt (only the UE with the right to speak is allowed to speak).
  • An embodiment of the present invention provides a method and a device for notifying a call right information, so that a UE of a specific group preempts a call right by initiating a right to preempt.
  • an embodiment of the present invention provides a method for notifying a call right information, including:
  • the core network device obtains the right instruction information for the specific group call session
  • the core network device notifies the multimedia broadcast multicast service coordination entity MCE of the voice right indication information for the specific group call session.
  • the embodiment of the invention provides a method for notifying the right message information, including:
  • the multimedia broadcast multicast service coordination entity MCE receives the voice right indication information for the specific group call session from the core network device;
  • the MCE notifies the access network device of the voice right indication information for the specific group call session.
  • the embodiment of the invention provides a method for notifying the right message information, including:
  • the access network device receives the right to voice indication information for the specific group call session from the multimedia broadcast multicast service coordination entity MCE;
  • the access network device notifies the called user equipment UE that participates in the specific group call to the voice right indication information for the specific group call session.
  • the embodiment of the invention provides a core network device, including:
  • an obtaining module configured to obtain the voice right indication information for the specific group call session
  • the sending module configured to notify the multimedia broadcast multicast service coordination entity (MCE) of the voice right indication information for the specific group call session.
  • MCE multimedia broadcast multicast service coordination entity
  • the embodiment of the invention provides a multimedia broadcast multicast service coordination entity MCE, which includes:
  • a receiving module configured to receive, by the core network device, the right indication information for the specific group call session
  • a sending module configured to notify the access network device of the voice right indication information for the specific group call session.
  • An embodiment of the present invention provides an access network device, including:
  • a receiving module configured to receive, by the multimedia broadcast multicast service coordination entity (MCE), the right indication information for the specific group call session;
  • MCE multimedia broadcast multicast service coordination entity
  • a sending module configured to notify the called user equipment UE that participates in the specific group call by the voice right indication information for the specific group call session.
  • the embodiment of the present invention has at least the following advantages:
  • the core network device may send the voice right indication information for the specific group call session to the access network device by using the MCE, and the access network device sends the voice right indication information for the specific group call session to the UE of the specific group to make the specific The UE of the group preempts the right to speak by initiating the preemption of the right.
  • FIG. 1 is a schematic diagram of a prior art MBMS logical architecture
  • FIG. 2 is a flow chart showing a method for notifying a call right information according to Embodiment 1 of the present invention
  • FIG. 3 is a schematic structural diagram of a core network device according to Embodiment 2 of the present invention
  • FIG. 4 is a schematic structural diagram of an MCE according to Embodiment 3 of the present invention
  • a first embodiment of the present invention provides a method for notifying a call right information, which can be applied to an LTE-based broadband trunking communication system, and is used when the network side provides a group call session service by using a multi-cell joint transmission mode. Transmitting the call indication information related to the group call session from the core network device to the access network device, and sending, by the access network device, the voice right indication information to the UE, to meet the requirement of the voice right indication information distribution in the broadband trunking communication system. As shown in FIG. 2, the method includes the following steps:
  • Step 201 The core network device obtains the right indication information for the specific group call session.
  • the core network device may include but is not limited to ⁇ .
  • Step 202 The core network device notifies the MCE of the right indication information of the specific group call session.
  • the notification signaling of the dialog right indication information and the information carried in the notification signaling are required to be designed on the M3 interface;
  • the transmission network carrying the M3 interface between the core network device and the MCE cannot guarantee the in-order arrival of the notification signaling. If the notification signaling of the voice right indication information is out of order, the cluster will be caused.
  • the call state saved by the UE is in error, so it is necessary to avoid the disorder of the notification signaling of the voice right indication information.
  • the core network device notifies the MCE of the right of the specific group call session to the MCE.
  • the core network device notifies the right of the group call session by the M3AP (M3 interface application layer) message related to the group call session.
  • M3AP M3 interface application layer
  • the core network device notifies the MCE of the right indication information for the specific group call session through the M3AP message related to the non-group call session.
  • the core network device notifies the MCE of the right indication information for the specific group call session through the M3AP message related to the group call session.
  • the M3AP message related to the group call session includes but is not limited to: a Speaking Right Indication message; and the Speaking Right Indication message carries at least the MME MBMS M3AP ID, the MCE MBMS M3AP ID, the TGID, Speaking Right; the MME MBMS M3AP ID indicates a temporary identifier assigned by the core network device to the group call session during the group call session establishment process; The MCE MBMS M3AP ID indicates the temporary identifier assigned by the MCE to the group call session during the establishment of the group call session; the TGID indicates the NAS (Non Access Stratum) layer identifier of the group; the Speaking Right indicates the current group The right of the group is occupied, and the usage of the right includes the two states of occupancy and idleness.
  • the MME MBMS M3AP ID indicates a temporary identifier assigned by the core network device to the group call session during the group call session establishment process
  • the MCE MBMS M3AP ID indicates the temporary identifier assigned by the MCE
  • Table 1 it is an example of the format of a Speaking Right Indication message.
  • the core network device After the core network device notifies the MCE message to the MCE for the specific group call session by using the M3AP message related to the group call session, and the core network device receives the response message of the M3AP message related to the group call session from the MCE. Previously, the core network device does not initiate a voice indication procedure for the same group of call sessions (ie, refuses to send the right to speak information for the same group of call sessions).
  • the response message of the M3AP message related to the group call session is replaced (Article 26) And including but not limited to: a Speaking Right Response message; and the Speaking Right Response message carries at least the MME MBMS M3AP ID and the MCE MBMS M3AP ID; and the MME MBMS M3AP ID indicates that during the group call session establishment process, A temporary identifier assigned to the group call session by the core network device; the MCE MBMS M3AP ID indicates a temporary identifier assigned by the MCE to the group call session during the group call session establishment process.
  • Table 2 it is an example of the format of a Speaking Right Response message.
  • the group call session itself is identified by the MME MBMS M3AP ID and the MCE MBMS M3AP ID
  • the MME MBMS M3AP ID and the MCE MBMS M3AP ID are allocated by the MME and the MCE for the group call session respectively during the group call session establishment process.
  • the core network device will target the M3AP message related to the non-group call session.
  • the right indication information of the specific group call session is notified to the MCE.
  • the M3AP message related to the non-group call session includes but is not limited to: a Speaking Right Notification message; and the Speaking Right Notification message carries at least a TGID and a Speaking Right; and the TGID indicates a group
  • Table 3 it is an example of the format of a Speaking Right Notification message.
  • the core network device needs to start the timer before the MCE message related to the specific group call session is notified to the MCE (that is, the core network device sends the Speaking Right Notification message) through the M3AP message related to the non-group call session.
  • TimeO and no new call indication information for the group with the same TGID identifier is sent (ie, the new call right indication information for the group with the same TGID is refused to be sent) until the timer TimeO times out; further, the timing The time interval set by TimeO needs to be long enough to ensure that the voice indication information sent after the core network device is not in the previous section.
  • the call indication information arrives at the MCE before.
  • Step 203 The MCE receives the right indication information for the specific group call session from the core network device.
  • the MCE receives the voice right indication information for the specific group call session from the core network device, where the MCE receives the M3AP message related to the group call session that carries the voice right indication information for the specific group call session from the core network device.
  • the MCE receives the non-group call session related M3AP message from the core network device that carries the right to voice indication information for the specific group call session.
  • the M3AP message related to the group call includes, but is not limited to: a Speaking Right Indication message, and the Speaking Right Indication message carries at least the MME MBMS M3AP ID, MCE MBMS M3AP ID, TGID, Speaking Right; the M3AP related to the non-group call session
  • the message includes but is not limited to: Speaking Right Notification message, and the Speaking Right Notification message carries at least TGID and Speaking Right.
  • the MCE after the MCE receives the M3AP message related to the group call session from the core network device, the MCE also needs to send a response message of the M3 AP message related to the group call session to the core network device, and the group call session is related.
  • the response message of the M3 AP message includes but is not limited to: a Speaking Right Response message; and the Speaking Right Response message carries at least the MME MBMS M3AP ID and the MCE MBMS M3AP ID.
  • Step 204 The MCE notifies the access network device of the right indication information of the specific group call session.
  • the MCE notifies the access network device of the right indication information of the specific group call session, including: the MCE is in an MCCH. (Multipoint Control Channel)
  • the voice right indication information received from the core network device for different group call sessions or different groups is combined to generate a voice right indication information for a specific group call session.
  • the right information list is notified to the access network device (such as an eNB) by the non-group call session related message.
  • the message related to the non-group call session includes, but is not limited to: a Speaking Right Indication message; and the Speaking Right Indication message carries at least the MCCH Update Time, the MBSFN Area ID, and the SpeakingRightList; the MCCH Update Time indicates the right of the call. Indicates a time when the information is transmitted on the MCCH channel; the MBSFN Area ID indicates an MBSFN area identifier for transmitting the right indication information; the SpeakingRightList is a list of the right information, and each information item in the SpeakingRightList is used to indicate a specific group.
  • the NAS layer identifier (the group information uses the TGID identifier) and the current group's right to use (the voice status status is identified by using the speakingRight), and the usage rights of the call include the two states of occupancy and idleness.
  • Table 4 it is an example of the format of a Speaking Right Indication message.
  • Step 205 The access network device receives the right to voice indication information for the specific group call session from the MCE.
  • the access network device receives the voice right indication information for the specific group call session from the MCE, and the method includes: the access network device receiving the non-group call that carries the call right information list sent by the MCE in an MCCH message update period.
  • a conversation-related message, and the voice information list includes at least the right indication information for the specific group call session;
  • the non-group call session related message includes but is not limited to: Speaking Right An indication message; and the Speaking Right Indication message carries at least an MCCH Update Time, an MBSFN Area ID, and a SpeakingRightList.
  • the access network device after receiving the right indication information for the specific group call session from the MCE, the access network device also needs to return a response message for the non-group call session related message (such as a Speaking Right Indication message) to the MCE.
  • the response message includes but is not limited to a Speaking Right Response; as shown in Table 5, it is an example of a format of a Speaking Right Response message.
  • Step 206 The access network device notifies the call indication information of the specific group call session to all called UEs participating in the specific group call.
  • the non-group call session related message carries the time when the voice right indication information is sent on the MCCH channel and the call right information list; and the access network device notifies the call right indication information of the specific group call session to All the called UEs participating in the specific group call include: the time when the access network device transmits on the MCCH channel according to the voice right indication information (that is, the time when the MCCH is updated), and sends the voice right information list to the air interface through the MCCH channel, The call indication information for the specific group call session is notified to all called UEs participating in the specific group call.
  • the core network device will be specific to the MCE through the MCE.
  • the voice indication information of the group call session is sent to the access network device, and the voice network device sends the voice right indication information for the specific group call session to the UE of the specific group, so that the voice right indication information of the specific group call is notified to the participation group.
  • All the called UEs of the call enable the UE of the specific group to preempt the voice by means of initiating the right to preempt.
  • the core network device is also provided in the embodiment of the present invention. As shown in FIG. 3, the core network device includes:
  • the obtaining module 11 is configured to obtain the voice right indication information for the specific group call session
  • the sending module 12 is configured to notify the multimedia broadcast multicast service coordination entity MCE of the voice right indication information for the specific group call session.
  • the sending module 12 is specifically configured to notify, by using the M3 interface application layer M3AP message related to the group call session, the voice right indication information for the specific group call session to the MCE; or
  • the voice right indication information for the specific group call session is notified to the MCE through a non-group call session related M3AP message.
  • the M3AP message related to the group call session includes: a Speaking Right Indication message; the Speaking Right Indication message carries an MME MBMS M3AP ID, MCE MBMS M3AP ID, TGID, Speaking Right; the MME MBMS M3AP The ID indicates the temporary identifier assigned by the core network device to the group call session during the group call session establishment process; the MCE MBMS M3AP ID indicates that the MCE is allocated for the group call session during the group call session establishment process. Temporary identifier; the TGID represents a non-access NAS layer identifier of the group; the Speaking Right Indicates the usage rights of the current group.
  • the sending module 12 is further configured to: after the M3AP message related to the group call session is notified to the MCE by the M3AP message related to the group call session, and after receiving the group call from the MCE Before the response message of the session-related M3 AP message, the call indication information for the same group call session is refused to be sent.
  • the response message of the M3AP message related to the group call session includes: a Speaking Right Response message;
  • the Speaking Right Response message carries the MME MBMS M3AP ID and the MCE MBMS M3AP ID;
  • the MME MBMS M3AP ID indicates a temporary identifier assigned by the core network device to the group call session during the group call session establishment process; the MCE MBMS M3AP ID indicates that the MCE is in the group call session establishment process by the MCE The temporary identifier assigned by the group call session.
  • the M3AP message related to the non-group call session includes: a Speaking Right Notification message; the Speaking Right Notification message carries a TGID, Speaking Right; the TGID represents a NAS layer identifier of the group; Right indicates the usage rights of the current group.
  • the sending module 12 is further configured to start a timer TimeO, and the timer TimeO, before notifying the MCE of the specific group call session to the MCE by using an M3AP message related to the non-group call session. Prior to timeout, new call indication information for groups with the same TGID is refused to be sent.
  • modules of the device of the present invention may be integrated or integrated.
  • the above modules can be combined into one module, or can be further split into multiple sub-modules.
  • Embodiment 3
  • the embodiment of the present invention further provides a multimedia broadcast multicast service coordination entity MCE.
  • the MCE includes: a receiving module 21, configured to receive from a core network device. Right indication information for a specific group call session;
  • the sending module 22 is configured to notify the access network device of the voice right indication information for the specific group call session.
  • the receiving module 21 is configured to receive, by the core network device, an M3 interface application layer M3AP message related to the group call session that carries the voice right indication information for the specific group call session, or receive the core network from the core network.
  • the M3AP message related to the group call session includes: a Speaking Right Indication message; the Speaking Right Indication message carries an MME MBMS M3AP ID, MCE MBMS M3AP ID, TGID, Speaking Right; the MME MBMS M3AP
  • the ID indicates the temporary identifier assigned by the core network device to the group call session during the group call session establishment process; the MCE MBMS M3AP ID indicates that the MCE is allocated for the group call session during the group call session establishment process.
  • Temporary identifier; the TGID indicates a non-access NAS layer identifier of the group; and the Speaking Right indicates a usage right of the current group.
  • the sending module 22 is further configured to: after receiving the M3AP message related to the group call session that carries the voice right indication information for the specific group call session, the sending the the network network device to the core network device Group call session related M3AP message a response message, and the response message of the M3AP message related to the group call session includes: a Speaking Right Response message; the Speaking Right Response message carries an MME MBMS M3AP ID, an MCE MBMS M3AP ID;
  • the MME MBMS M3AP ID indicates a temporary identifier assigned by the core network device to the group call session during the group call session establishment process; the MCE MBMS M3AP ID indicates that the MCE is in the group call session establishment process by the MCE The temporary identifier assigned by the group call session.
  • the M3AP message related to the non-group call session includes: a Speaking Right Notification message; the Speaking Right Notification message carries a TGID, Speaking Right; the TGID represents a NAS layer identifier of the group; Right indicates the usage rights of the current group.
  • the sending module 22 is specifically configured to combine the voice right indication information received by the core network device for different group call sessions or different groups in a multicast control channel MCCH message update period to generate an inclusion Declaring a list of the rights information for the voice right indication information of the specific group call session, and notifying the access rights information list to the access network device by using a message related to the non-group call session.
  • the message related to the non-group call session includes: a Speaking Right Indication message; the Speaking Right Indication message carries an MCCH Update Time, an MBSFN Area ID, and a SpeakingRightList;
  • the MCCH Update Time indicates the time when the voice right indication information is sent on the MCCH channel;
  • the MBSFN Area ID indicates the MBSFN area identifier of the multimedia broadcast multicast service single frequency network that performs the voice right indication information transmission;
  • the SpeakingRightList is the a list of the rights information, and each information item in the SpeakingRightList is used to indicate the N AS layer identifier of the specific group and the right to occupy the current group.
  • modules of the device of the present invention may be integrated or integrated.
  • the above modules can be combined into one module, or can be further split into multiple sub-modules.
  • the embodiment of the present invention further provides an access network device.
  • the access network device includes:
  • the receiving module 31 is configured to receive the right to voice indication information for the specific group call session from the multimedia broadcast multicast service coordination entity MCE;
  • the sending module 32 is configured to notify the called user equipment UE of the specific group call session to the called user equipment UE that participates in the specific group call.
  • the receiving module 31 is configured to receive a non-group call session related message that is sent by the MCE in a multicast control channel MCCH message update period, and the call right information list includes The right instruction information for a specific group call session is described.
  • the message related to the non-group call session includes: a Speaking Right Indication message; the Speaking Right Indication message carries an MCCH Update Time, an MBSFN Area ID, and a SpeakingRightList;
  • the MCCH Update Time indicates the time when the voice right indication information is sent on the MCCH channel;
  • the MBSFN Area ID indicates the multimedia broadcast multicast service single frequency network MBSFN area identifier for transmitting the right voice indication information;
  • the SpeakingRightList is the call right information list. And each item of information in the SpeakingRightList is used to indicate The N AS layer identifier of the group and the usage rights of the current group.
  • the non-group call session related message carries the time when the voice right indication information is sent on the MCCH channel;
  • the sending module 32 is configured to: send, according to the time when the voice right indication information is sent on the MCCH channel, the voice information list to be sent on the air interface by using the MCCH channel, to send the voice right indication information for the specific group call session. Notify the called UE participating in the specific group call.
  • modules of the device of the present invention may be integrated or integrated.
  • the above modules can be combined into one module, or can be further split into multiple sub-modules.
  • the present invention can be implemented by means of software plus a necessary general hardware platform, and of course, can also be through hardware, but in many cases, the former is a better implementation. the way.
  • the technical solution of the present invention which is essential or contributes to the prior art, may be embodied in the form of a software product stored in a storage medium, including a plurality of instructions for making a A computer device (which may be a personal computer, server, or network device, etc.) performs the methods described in various embodiments of the present invention.
  • modules in the apparatus in the embodiments may be distributed in the apparatus of the embodiment according to the description of the embodiments, or the corresponding changes may be located in one or more apparatuses different from the embodiment.
  • the module of the above embodiment may Combined into one module, it can be further split into multiple sub-modules.

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Abstract

La présente invention concerne un procédé et un dispositif de notification d'informations de priorité de transmission. Le procédé comprend les étapes suivantes : un dispositif de réseau central acquiert des informations d'indication de priorité de transmission pour une session d'appel de groupe spécifique; et le dispositif de réseau central envoie une notification sur des informations d'indication de priorité de transmission pour la session d'appel de groupe spécifique à une entité de coordination de services de diffusion/multidiffusion multimédia (MCE). Dans des modes de réalisation de la présente invention, lorsqu'un côté réseau fournit à un EU un service de session d'appel de groupe par l'intermédiaire d'un mécanisme de transmission conjointe multi-cellule, le dispositif de réseau central est autorisé à transmettre à un dispositif de réseau d'accès les informations d'indication de priorité de transmission pour la session d'appel de groupe spécifique, par l'intermédiaire de la MCE, alors que le dispositif de réseau d'accès transmet les informations d'indication de priorité de transmission pour la session d'appel de groupe spécifique à l'UE d'un groupe spécifique, ce qui permet à l'UE du groupe spécifique de saisir la priorité de transmission en lançant une saisie de priorité de transmission.
PCT/CN2013/072053 2012-03-05 2013-03-01 Procédé et dispositif de notification d'informations de priorité de transmission WO2013131446A1 (fr)

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CN113132922B (zh) * 2020-01-15 2022-09-09 成都鼎桥通信技术有限公司 一种组呼通话提示音的播放方法和装置

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