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WO2018104256A1 - Procédé et dispositif de transmission de message de groupe - Google Patents

Procédé et dispositif de transmission de message de groupe Download PDF

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Publication number
WO2018104256A1
WO2018104256A1 PCT/EP2017/081432 EP2017081432W WO2018104256A1 WO 2018104256 A1 WO2018104256 A1 WO 2018104256A1 EP 2017081432 W EP2017081432 W EP 2017081432W WO 2018104256 A1 WO2018104256 A1 WO 2018104256A1
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WO
WIPO (PCT)
Prior art keywords
group
message
identifier
transmitting
group identifier
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/EP2017/081432
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English (en)
Inventor
Pengfei LU
Peigang HE
Zhi Wang
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.)
Nokia Solutions and Networks Oy
Original Assignee
Nokia Solutions and Networks Oy
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 Nokia Solutions and Networks Oy filed Critical Nokia Solutions and Networks Oy
Publication of WO2018104256A1 publication Critical patent/WO2018104256A1/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
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/70—Services for machine-to-machine communication [M2M] or machine type communication [MTC]
    • 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
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/12—Messaging; Mailboxes; Announcements
    • H04W4/14—Short messaging services, e.g. short message services [SMS] or unstructured supplementary service data [USSD]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W8/00—Network data management
    • H04W8/22—Processing or transfer of terminal data, e.g. status or physical capabilities
    • H04W8/24—Transfer of terminal data

Definitions

  • Embodiments of the present disclosure generally relate to the field of communications, and more specifically, to a method and device for transmitting group messages.
  • MTC Machine Type Communication
  • SCS Service Capability Server
  • AS Application Server
  • the standard also points out that the flow of the MBMS-based MTC group message delivery also has limitations and cannot support all scenarios, e.g., UE lacks the MBMS ability or UE is in an area without deployment of MBMS.
  • the present invention proposes a novel solution for MTC group message delivery.
  • the solution is suitable for scenarios supporting MBMS and scenarios not supporting MBMS.
  • a method of transmitting a group message in an MTC-IWF is provided.
  • the method comprises: receiving, from a server, a group message request including an identifier of the server and an external group identifier, the server requesting transmission of the group message to a group; transmitting, to a home subscriber server, a user information request including an identifier of the server and the external group identifier; receiving, from the home subscriber server, a response to user information request including an internal group identifier corresponding to the external group identifier; and transmitting to a short message server, a group message request including the internal group identifier and indication information, the indication information being used to indicate the transmission of the group message to the group.
  • the internal group identifier is an IMSI Group Identifier.
  • the method further comprises: receiving a group message delivery report from the short message server, the group message delivery report including the internal group identifier and result information of transmitting the group message to the group; transmitting a group message delivery report to the server, the group message delivery report including the external group identifier and the result information of transmitting the group message to the group.
  • a method of transmitting a group message in a short message server comprises: receiving, from an MTC-IWF, a group message request including an internal group identifier and indication information, the indication information being used to indicate transmission of the group message to a group; transmitting, to an MME, a group message request including the internal group identifier.
  • the internal group identifier is an IMSI Group Identifier.
  • the method further comprises: receiving a delivery report from the MME, the delivery report including the internal group identifier and an identifier of a group member, the delivery report including result information of transmitting the message to the group member; merging delivery reports for all of group members into one group message delivery report, the group message delivery report including the delivery reports of all of the group members; transmitting the group message delivery report to the MTC-IWF, the group message delivery report including result information of transmitting the message to all members of the group.
  • a method of transmitting a group message in an MME comprises: receiving a group message request from a short message server, the group message request including an internal group identifier; transmitting a message to all members of a group corresponding to the internal group identifier respectively.
  • the internal group identifier is an IMSI Group Identifier.
  • the method further comprises: transmitting a delivery report to the short message server, the delivery report including the internal group identifier and an identifier of a group member, the delivery report including result information of transmitting a message to the group member.
  • an apparatus for transmitting a group message in an MTC-IWF is provided.
  • the apparatus comprises: a first receiving module for receiving, from a server, a group message request including an identifier of the server and an external group identifier, the server requesting transmission of the group message to a group; a first transmitting module for transmitting, to a home subscriber server, a user information request including the identifier of the server and the external group identifier; a second receiving module for receiving, from the home subscriber server, a response to the user information request including an internal group identifier corresponding to the external group identifier; a second transmitting module for transmitting to a short message server, a group message request, including the internal group identifier and indication information, the indication information being used to indicate the transmission of the group message to the group.
  • the internal group identifier is an IMSI Group Identifier.
  • the apparatus further comprises: a third receiving module for receiving a group message delivery report from the short message server, the group message delivery report including the internal group identifier and result information of transmitting the group message to the group; a third transmitting module for transmitting a group message delivery report to the server, the delivery report including the external group identifier and the result information of transmitting the group message to the group.
  • an apparatus for transmitting a group message in a short message server comprises: a fourth receiving module for receiving, from an MTC-IWF, a group message request including an internal group identifier and indication information, the indication information being used to indicate transmission of the group message to a group; a fourth transmitting module for transmitting to an MME, a group message request including the internal group identifier.
  • the internal group identifier is an IMSI Group Identifier.
  • an apparatus for transmitting a group message in an MME comprises: a fifth receiving module for receiving a group message request from a short message server, the group message request including an internal group identifier; a fifth transmitting module for transmitting a message to all members of a group corresponding to the internal group identifier respectively.
  • the internal group identifier is an IMSI Group Identifier.
  • the method or device achieves the purpose of transmitting an MTC group message in an MTC system by reusing an existing IMSI group identifier. By transmitting the group message, it spares the need of separately transmitting a message to every UE from top to bottom, which can greatly reduce the message amount in the network.
  • the present invention Compared with the existing MTC group message transmitting mechanism, the present invention has a low requirement on network deployment and is suitable for both networks deployed with MBMS and scenarios not supporting MBMS.
  • the present invention belongs to a lightweight implementation solution. Besides, the present invention makes tiny changes to the existing network by reusing the existing IMSI Group Identifier and is easy to be implemented.
  • Fig. 1 illustrates a schematic diagram of a process of transmitting an MTC group message according to one embodiment of the present invention
  • FIG. 2 illustrates a schematic diagram of an apparatus for transmitting an MTC group message in an MTC-IWF according to one embodiment of the present invention
  • FIG. 3 illustrates a schematic diagram of an apparatus for transmitting an MTC group message in an SMS-SC according to one embodiment of the present invention
  • FIG. 4 illustrates a schematic diagram of an apparatus for transmitting an MTC group messages in an MME according to one embodiment of the present invention.
  • DETAILED DESCRIPTION OF EMBODIMENTS [0028] Embodiments of the present invention are now described in details with reference to the drawings. It should be noted that similar components or functional units in the drawings may be indicated with the same numbers. The drawings only aim to explain embodiments of the present invention. Those skilled in the art can acquire alternative implementations from the following description without deviating from the principles and protection scope of the present invention.
  • the term “include” and its variants are to be read as open-ended terms that mean “include, but is not limited to.”
  • the term “based on” is to be read as “based at least in part on.”
  • the term “one example embodiment” is to be read as “at least one embodiment.”
  • the term “a further embodiment” is to be read as “at least one further embodiment.”
  • HSS Home Subscriber Server
  • HLR Home Location Register
  • MME Mobility Management Entity
  • MSC Mobile Switching Center
  • MTC-IWF Machine Type Communications-InterWorking Function
  • SMS-SC Short Message Service-Service Center
  • SMS-GMSC gateway MSC for short message service
  • SMS-IWMSC interworking MSC for short message service.
  • each UE is allocated with a unique identifier number, IMSI (International Mobile Subscriber Identification Number), which is an identifier within the 3GPP network and unique in the 3GPP network.
  • IMSI International Mobile Subscriber Identification Number
  • An IMSI Group Identifier is defined in the standard TS23.003 of 3GPP, which is unique within the 3GPP network for identifying a group of IMSI in the network.
  • Each IMSI in the group corresponds to one UE. All UEs in the group are usually provided with the same service.
  • an IMSI Group Identifier is only used in an MME to facilitate congestion control at the group level.
  • the present invention proposes, based on the existing IMSI Group Identifier, a novel MTC group message delivery mechanism.
  • the operator allocates a unique IMSI Group Identifier for a group of MTC devices.
  • the IMSI Group Identifier triggers the same action for all UEs within the group.
  • Fig. 1 illustrates a schematic diagram of a process of transmitting an MTC group message according to one embodiment of the present invention.
  • LTE-based system herein is only taken as the example.
  • LTE-A 3 GPP LTE/LTE-advanced
  • embodiments of the present invention are certainly not limited to application environment of 3GPP LTE/LTE-A. Instead, they can be applied into any wireless communication systems, such as other communication systems that will be developed in the future.
  • MTC group 1 comprises UE11, UE12, UEln.
  • HSS103 stores related information of the group, such as an external group identifier and an internal group identifier corresponding to the group.
  • the external group identifier is used in case that network elements (e.g., SCS or AC and the like) outside the 3GPP network access the group.
  • the internal group identifier is the IMSI group identifier already existed in the 3GPP network.
  • SCS 105 determines to transmit a group message to the MTC group 1. That is, SCS 105 requests to transmit a message to all members in the MTC group 1.
  • SCS 105 transmits a group message request to MTC-IWF104.
  • the group message request includes an identifier of SCS 105 and an external group identifier of the MTC group 1.
  • the group message request here can be a device trigger message.
  • the present invention is also applicable to other group message requests.
  • network elements such as AS and the like, can transmit a group message request to MTC-IWF104.
  • MTC-IWF104 determines whether the SCS 105 is group message request d to transmit a group message request.
  • MTC-IWF104 determines that the SCS 105 is entitled to transmit the group message
  • MTC-IWF104 transmits, at step S103, to HSS103 a user information request.
  • the user information request including the identifier of SCSI 05 and the above external group identifier.
  • the user information request can be a Subscriber Information Request message.
  • the interface between MTC-IWF and HSS does not include the above external group identifier information. Therefore, the present invention needs to enhance the interface between MTC-IWF and HSS.
  • the Home Subscriber Server for storing user information can also be HLR in different networks.
  • HSS 103 retrieves, based on the received user information request, the locally stored group data, to further determine whether the SCSI 05 is entitled to transmit a message to the MTC group 1. [0041] If HSS 103 determines that the SCSI 05 is entitled to transmit messages to the MTC group 1, HSS 103 will retrieve the internal group identifier corresponding to the above group identifier, i.e., the IMSI Group Identifier. Preferably, HSS 103 can also retrieve routing information corresponding to the group.
  • step SI 04 is optional, rather than necessary.
  • HSS 103 can retrieve directly after receiving the user information request.
  • HSS103 transmits a response to user information request to MTC-IWF104.
  • the response message includes the above internal group identifier, i.e., the IMSI Group Identifier.
  • the response to the user information request can be the Subscriber Information Response message.
  • the interface between MTC-IWF and HSS does not include the above information. Therefore, the present invention needs to enhance the interface between MTC-IWF and HSS.
  • MTC-IWF 104 Upon receiving the response to the user information request, MTC-IWF 104 transmits, at step SI 06, a group message request to SMS-SC102.
  • the group message request includes the above internal group identifier, i.e., IMSI Group Identifier, and indication information.
  • the indication information is used to indicate SMS-SC102 that this is a group message indicate transmitting a group message to the group corresponding to the above internal group identifier.
  • the group message request can be a Submit Trigger message. In current standards, the Submit Trigger message does not have the above internal group identifier and indication information. Therefore, the present invention needs to enhance the parameters carried by Submit Trigger message.
  • SMS-SC102 in this embodiment is only exemplary. In different types of networks, the network element can also be SMS-GMSC or SMS-IWMSC.
  • SMS-SC102 transmits to MMElOl a group message request.
  • the group message request includes the above internal group identifier, i.e., IMSI Group Identifier.
  • the group message request can be Forward Message message.
  • the Forward Message message does not have the above internal group identifier, so it is required that the present invention enhances the parameters carried by the Forward Message message.
  • MMElOl respectively transmits a message to all members of the groups corresponding to the above internal group identifier.
  • MMElOl transmits, based on contents in the group message, the same message to all UEs in the group.
  • MMElOl after respectively transmitting a request message to UE11, UE12, ..., UEln, MMElOl will receive corresponding delivery report 1, delivery report 2, ..., and delivery report n (not shown in figures). These reports respectively comprise result information of delivering request messages to the UEs by MMElOl, such as succeeding to transmit, failing to transmit, reasons for failure and the like.
  • MMElOl Upon receiving a delivery report of a certain UE, MMElOl will further transmit the delivery report to SMS-SC102 (not shown in figures), wherein the delivery report includes said internal group identifier (i.e., IMSI Group Identifier) and identifier of the UE.
  • the result information of delivering a request message to the UE When SMS-SC102 receives delivery reports of all group members in the group, it will merge the reports and generate a group message delivery report.
  • the group message delivery report includes result information of delivering messages to all group members in the group.
  • SMS-SC102 delivers said group message delivery report to MTC-IWF104 (not shown in Fig. 1).
  • the group message delivery report includes the above internal group identifier and result information of transmitting group messages to the groups (i.e., the above result information of transmitting messages to all group members in the group).
  • MTC-IWF104 will transmit the above result information to SCS105.
  • MTC-IWF104 will transmit a group message delivery report (not shown in figures).
  • the group message delivery report includes the above external group identifier and result information of delivering group messages to the groups (i.e., the above result information of delivering messages to all group members in the group).
  • Fig. 2 illustrates a schematic diagram of an apparatus for delivering MTC group messages in MTC-IWF 104 according to one embodiment of the present invention.
  • the apparatus 200 comprises a first receiving module 201, a first transmitting module 202, a second receiving module 203 and a second transmitting module 204.
  • the first receiving module 201 receives a group message request from the server SCSI 05.
  • the group message request includes an identifier of SCSI 05 and an external group identifier of the MTC group 1.
  • the server SCSI 05 requests to transmit a group message to the MTC group 1. That is, SCSI 05 requests to transmit a message to all members in the MTC group 1.
  • the group message here can be a device trigger message.
  • the present invention is also applicable to other group message requests.
  • network elements such as AS and the like, can also transmit a group message request to MTC-IWF104.
  • MTC-IWF104 determines whether the SCS105 is entitled to transmit a group message request. If MTC-IWF 104 determines that the SCSI 05 is entitled to transmit the group message, the first transmitting module 202 transmits a user information request to HSS 103.
  • the user information request includes identifier of SCSI 05 and the above external group identifier.
  • the user information request can be a Subscriber Information Request message.
  • the interface between MTC-IWF and HSS does not include the above external group identifier information. Therefore, the present invention needs to enhance the interface between MTC-IWF and HSS.
  • the Home Subscriber Server for storing user information can also be HLR.
  • the second receiving module 203 receives a response to the user information request from HSS 103.
  • the response message includes the internal group identifier corresponding to the above external group identifier, i.e., IMSI Group Identifier.
  • the response to the user information request can be a Subscriber Information Response message.
  • the interface between MTC-IWF and HSS does not include the above information. Therefore, the present invention needs to enhance the interface between MTC-IWF and HSS.
  • the second delivering module 204 transmits a group message request to SMS-SC102.
  • the group message request includes the above internal group identifier (i.e., IMSI Group Identifier) and indication information.
  • the indication information is for indicating SMS-SC102 that it is a group message and indicates delivering a group message to the group corresponding to the above internal group identifier.
  • the group message request can be a Submit Trigger message. In current standards, the Submit Trigger message does not have the above internal group identifier and indication information. Therefore, the present invention needs to enhance the parameters carried by the Submit Trigger message.
  • SMS-SC102 in this embodiment is only exemplary. In different types of networks, the network element can also be SMS-GMSC or SMS-IWMSC.
  • the apparatus also comprises a third receiving module (not shown in the figures) and a third transmitting module (not shown in the figures).
  • the third receiving module receives a group message delivery report from SMS-SC102.
  • the group message delivery report includes the above internal group identifier and result information of transmitting group messages to the groups (i.e., the above result information of delivering messages to all group members in the group).
  • the third transmitting module transmits the above result information to SCSI 05.
  • SCSI 05 transmits a group message delivery report to SCSI 05.
  • the group message delivery report includes the above external group identifier and result information of delivering group messages to the groups (i.e., the above result information of delivering messages to all group members in the group).
  • Fig. 3 illustrates a schematic diagram of an apparatus for transmitting an MTC group message in SMS-SC102 according to one embodiment of the present invention.
  • the apparatus 300 comprises a fourth receiving module 301 and a fourth transmitting module 302.
  • the fourth receiving module 301 receives a group message request from MTC-IWF104.
  • the group message request includes one internal group identifier (i.e., IMSI Group Identifier) and indication information.
  • the indication information is for indicating SMS-SC102 that this is a group message and indicates delivering a group message to the group corresponding to the above internal group identifier.
  • the group message request can be a Submit Trigger message. In current standards, the Submit Trigger message does not have the above internal group identifier and indication information. Therefore, the present invention needs to enhance the parameters carried by Submit Trigger message.
  • the fourth transmitting module 302 transmits a group message request to MME101.
  • the group message request includes the above internal group identifier, i.e., IMSI Group Identifier.
  • the group message request can be a Forward Message message. In current standards, the Forward Message message does not have the above internal group identifier. Therefore, the present invention needs to enhance the parameters carried by the Forward Message message.
  • the apparatus 300 also comprises a sixth receiving module (not shown in the figures), a merging module (not shown in the figures), and a sixth transmitting module (not shown in the figures).
  • the sixth receiving module receives a delivery report from MME101.
  • the delivery report includes the above internal group identifier (i.e., IMSI Group Identifier) and an identifier of one UE.
  • the delivery report includes result information of transmitting a request message to the UE.
  • SMS-SC102 Upon SMS-SC102 receives delivery reports of all group members in the group, the merging module will merge the reports and generate a group message delivery report.
  • the group message delivery report includes result information of transmitting messages to all group members in the group.
  • the sixth transmitting module transmits the above group message delivery report to MTC-IWF104.
  • Thee above group message delivery report includes the above internal group identifier and result information of delivering group messages to the groups (i.e., the above result information of delivering messages to all group members in the group).
  • Fig. 4 illustrates a schematic diagram of an apparatus for delivering an MTC group message in MME101 according to one embodiment of the present invention.
  • the apparatus comprises a fifth receiving module 401 and a fifth delivering module 402.
  • the fifth receiving module 401 receives a group message request from SMS-SC102
  • the group message request includes one internal group identifier, i.e., IMSI Group Identifier.
  • the group message request can be a Forward Message message.
  • the Forward Message message does not include the above internal group identifier. Therefore, the present invention needs to enhance the parameters carried by the Forward Message message.
  • the fifth transmitting module 402 respectively transmits a message to all members of the group (i.e., MTC group 1) corresponding to the above internal group identifier.
  • MME101 transmits, based on contents in the group message, the same message to all UEs in the group.
  • the apparatus 400 also comprises a seventh transmitting module (not shown in the figures).
  • MME101 After respectively delivering request messages to UE11, UE12, UEln, MME101 will receive corresponding delivery report 1, delivery report 2, and delivery report n. These reports respectively comprise result information of delivering request messages to the UEs by MME101, such as succeeding to transmit, failing to transmit, reasons for failure and the like.
  • the seventh transmitting module When MME101 receives a delivery report of a certain UE, the seventh transmitting module will further transmit the delivery report to SMS-SC102, wherein the delivery report includes the above internal group identifier, (i.e., IMSI Group Identifier) and an identifier of the UE.
  • the delivery report includes the result information of delivering a request message to the UE.
  • modules or steps in the above various methods can be executed by programmed computers.
  • some embodiments also intend to encompass program storage devices, such as digital data storage media, which are instruction programs that are readably by the machine or the computer and executable by the encoding machine or the computer, where the instructions execute some or all of the steps in the above method.
  • the program storage device can be, e.g., digital memory, such as magnetic storage medium of disk and tape, hard disk drive or optically-readable digital data storage media.
  • Embodiments also intend to comprise the computer programmed to execute steps of the above method.
  • processor can comprise, but not limited to , digital signal processor (DSP) hardware, network processor, application-specific integrated circuit (ASIC), field programmable gate array (FPGA), read-only memory (ROM) for storing software, random-access memory (RAM) and non-volatile storage apparatus. It can also include other conventional and/or customized hardware.
  • DSP digital signal processor
  • ASIC application-specific integrated circuit
  • FPGA field programmable gate array
  • ROM read-only memory
  • RAM random-access memory
  • non-volatile storage apparatus It can also include other conventional and/or customized hardware.

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

Abstract

Des modes de réalisation de la présente invention concernent un procédé et un dispositif de transmission d'un message de groupe MTC. Le procédé réutilise l'identifiant de groupe IMSI existant dans l'état de la technique. Lorsqu'une MTC-IWF reçoit une demande de message de groupe provenant d'un SCS ou d'un AS, le procédé acquiert, au niveau d'un HSS ou d'un HLR, un identifiant de groupe interne correspondant à l'identifiant de groupe externe, c'est-à-dire un identifiant de groupe IMSI, puis transmet le message de groupe en fonction de l'identifiant de groupe IMSI. Des modes de réalisation de la présente invention concernent aussi un dispositif correspondant. La présente invention est adaptée à la fois pour des réseaux déployés avec MBMS et des scénarios ne prenant pas en charge le MBMS. La présente invention concerne une solution de mise en œuvre légère.
PCT/EP2017/081432 2016-12-08 2017-12-05 Procédé et dispositif de transmission de message de groupe Ceased WO2018104256A1 (fr)

Applications Claiming Priority (2)

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CN201611120741.9A CN108206986A (zh) 2016-12-08 2016-12-08 一种发送组消息的方法和设备
CN201611120741.9 2016-12-08

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CN109327864A (zh) * 2018-11-07 2019-02-12 杭州迪普科技股份有限公司 流量处理方法、装置、设备及存储介质

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Publication number Priority date Publication date Assignee Title
CN111901132B (zh) 2019-05-06 2022-04-05 华为技术有限公司 群组管理方法、装置及系统

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US20140135044A1 (en) * 2009-10-30 2014-05-15 Telefonaktiebolaget L M Ericsson (Publ) Contacting a Group of Terminals Within a Wireless Communication Network
US20150245162A1 (en) * 2012-09-29 2015-08-27 Alcatel Lucent Method of distributing group message of machine type communication

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Publication number Priority date Publication date Assignee Title
US20140135044A1 (en) * 2009-10-30 2014-05-15 Telefonaktiebolaget L M Ericsson (Publ) Contacting a Group of Terminals Within a Wireless Communication Network
WO2014027740A1 (fr) * 2012-08-14 2014-02-20 주식회사 케이티 Procédé et appareil pour une messagerie basée sur des groupes dans un réseau de communication mobile
US20150245162A1 (en) * 2012-09-29 2015-08-27 Alcatel Lucent Method of distributing group message of machine type communication

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109327864A (zh) * 2018-11-07 2019-02-12 杭州迪普科技股份有限公司 流量处理方法、装置、设备及存储介质

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