WO2017169302A1 - Système de communication sans fil et procédé de communication sans fil - Google Patents

Système de communication sans fil et procédé de communication sans fil Download PDF

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Publication number
WO2017169302A1
WO2017169302A1 PCT/JP2017/006360 JP2017006360W WO2017169302A1 WO 2017169302 A1 WO2017169302 A1 WO 2017169302A1 JP 2017006360 W JP2017006360 W JP 2017006360W WO 2017169302 A1 WO2017169302 A1 WO 2017169302A1
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WO
WIPO (PCT)
Prior art keywords
mobile station
network
lte
private
unique number
Prior art date
Application number
PCT/JP2017/006360
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English (en)
Japanese (ja)
Inventor
亨尚 木本
Original Assignee
株式会社日立国際電気
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Filing date
Publication date
Application filed by 株式会社日立国際電気 filed Critical 株式会社日立国際電気
Priority to JP2018508581A priority Critical patent/JPWO2017169302A1/ja
Publication of WO2017169302A1 publication Critical patent/WO2017169302A1/fr

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M3/00—Automatic or semi-automatic exchanges

Definitions

  • the present invention relates to a wireless communication system and a wireless communication method.
  • 3GPP TS 24.228 For 3rd Generation Partnership Project (hereinafter referred to as 3GPP) Long Term Evolution (hereinafter referred to as LTE) communication, 3GPP TS 24.228 "Signalling flows for the IP IP multimedia call control control based on Session Initiation Protocol (SIP) col and tocol Session Description SDP); Stage 3 "and 3GPP TS 24.229” IP Multimedia Call Control Protocol based on Session Initiation Protocol ((SIP) and Session Description Protocol (SDP); Stage 3 ", Internet Protocol (hereinafter referred to as IP) and IP multimedia subsystem (hereinafter referred to as IMS) based on Session Initiation Protocol (hereinafter referred to as SIP) is used.
  • IP Internet Protocol
  • IMS IP multimedia subsystem
  • MCPTT Mission Critical Push to Talk
  • MSISDN Mobile Station International Subscriber Directory Number
  • USIM Universal Subscriber Identity Module
  • the configuration method of the telephone number is different for each system.
  • the system code (1 to 44 bits) + identifier (1 bit) + station number (19 bits) ).
  • the manufacturer number 7 bits
  • the telephone number of the business radio is referred to as “mobile station unique number”.
  • N communication such as simultaneous communication and group communication
  • N becomes large the probability that many mobile stations push PTT all at once increases. Therefore, when N is large, "(2) After pressing PTT, the method of closing the speaker by recognizing that the receiver's sound is returning" will be dominant, and this method should be used. There are many.
  • the mobile station unique number is used to recognize that it is your own sound in the method of (2), and if the mobile station unique number of the received voice is yourself, the speaker is closed. Control is in progress. By performing such control, echoes are prevented from occurring in simultaneous communication or group communication.
  • Patent Document 1 discloses an invention that prevents interference within a terminal in a dual-mode wireless terminal and prevents frequent handover to a cell in a narrow communication area.
  • the object of the present invention is a wireless communication system in which the 3rd Generation Partnership Project's Mission Critical Push to Talk over LTE and other private wireless systems are interconnected over IP, and LTE mobile stations and mobile stations of other private wireless systems are connected. It is to realize simultaneous communication and group communication in which echo is not easily generated in a dual mode mobile station that is simultaneously supported.
  • a radio communication system of the present invention is a radio communication system including an LTE network and a private wireless network connected by an IP network, and a dual mode mobile station that communicates with the LTE network and the private wireless network.
  • the mobile station writes the mobile station unique number of the private radio in a predetermined area in the USIM, and when transmitting in the LTE mobile station mode, the mobile station unique number of the private radio in the USIM is used for the SIP-URI or SIPS-URI.
  • the private wireless network relays voice data from the LTE network to the private wireless network, it acquires the mobile station unique number from the SIP-URI or SIPS-URI indicating the transmission source of the LTE network, and relays the voice data to the private wireless network. It is characterized in that it is set as a sender number when
  • the dual mode mobile station when the dual mode mobile station receives the voice data in the private radio mobile station mode when transmitting in the LTE mobile station mode, the dual mode mobile station acquires the mobile station unique number from the voice data, and the mobile station unique number Is the unique number of the own station, it is preferable to suppress the output of the audio data from the speaker.
  • the wireless communication system of the present invention is a wireless communication system including an LTE network and a private wireless network connected by an IP network, and a dual mode mobile station that communicates with the LTE network and the private wireless network.
  • the dual mode mobile station writes the mobile station unique number of the private radio in a predetermined area in the USIM, and when transmitting in LTE mobile station mode, the mobile station unique number of the private radio in the USIM is added to the SIP-URI or SIPS-URI.
  • the private wireless network When the private wireless network relays voice data from the private wireless network to the LTE network, put the mobile station unique number used in the private wireless network into the SIP-URI or SIPS-URI, A SIPS-URI is generated, the SIP-URI or SIPS-UPI is put in an area indicating a SIP transmission source, and voice data is relayed to the LTE network.
  • the dual mode mobile station transmits the voice data in the LTE mobile station mode when transmitting in the private radio mobile station mode
  • the dual mode mobile station acquires the mobile station unique number from the voice data, and the mobile station unique number Is the unique number of the local station, it is preferable to close the LTE mobile station speaker.
  • the wireless communication method of the present invention is a wireless communication method in which a mobile station performs wireless communication with an LTE network and a private wireless network.
  • the LTE network and the private wireless network are connected by an IP network, and the mobile station is located in the USIM.
  • the mobile station unique number of the private radio is written in the MSISDN of the mobile station and the mobile station unique number of the private radio in USIM is used when transmitting in LTE mobile station mode, and when voice data is relayed from the LTE network to the private radio network Is characterized in that the mobile station unique number of the LTE network is acquired and set as the sender number when relaying to the private wireless network.
  • the wireless communication method of the present invention is a wireless communication method in which a mobile station performs wireless communication with an LTE network and a private wireless network, wherein the LTE network and the private wireless network are connected by an IP network, and the mobile station performs LTE mobile communication.
  • the mobile station unique number of the private radio is used, and when the voice data is relayed from the private wireless network to the LTE network, the mobile station unique number used in the private wireless network is generated. Voice data is relayed in the LTE network.
  • a dual mode mobile station in a wireless communication system in which MCPTT over LTE and a private wireless system are interconnected over IP it is possible to prevent echo from occurring in simultaneous communication or group communication.
  • FIG. 1 is a diagram illustrating an outline of a wireless communication system. It is a figure for demonstrating the operation
  • FIG. 1 is a diagram showing an outline of a wireless communication system.
  • a radio communication system 100 includes a Packet data network GateWay (hereinafter referred to as P-GW) 111, a Serving GateWay (hereinafter referred to as S-GW) 112, an eNB 113 which is an LTE radio base station, Policy and Charging. Rules Function (hereinafter referred to as PCRF) 114, Mobility Management Entity (hereinafter referred to as MME) 115, MCPPT Application Server 121, business radio base station 122, and mobile stations 131 and 132 which are radio terminals.
  • PCRF Packet data network GateWay
  • S-GW Serving GateWay
  • MME Mobility Management Entity
  • MCPPT Application Server 121 Mobility Management Entity
  • business radio base station 122 business radio base station 122
  • mobile stations 131 and 132 which are radio terminals.
  • the P-GW 111 and MCPPT Application Server 121 are connected by the IP network 101.
  • the LTE network 110 includes P-GW111, S-GW112, eNB113, PCRF114, MME115, and the like.
  • the business radio network (private radio network) 120 includes an MCPPT Application Server 121, a business radio base station 122, and the like. In FIG. 1, there are two mobile stations, but a plurality of mobile stations may be used.
  • the mobile station 131 and the mobile station 132 are mobile stations that support LTE mobile stations and commercial radio mobile stations at the same time, and can simultaneously transmit and receive signals to the LTE network (LTE network base station) and the commercial radio network (private communication system base station). It is a dual mode mobile station. USIM is required for LTE mobile stations in dual mode mobile stations. Write the mobile station unique number of the business radio mobile station to the MSISDN in the USIM, and put the USIM in the LTE mobile station.
  • the S-GW 112 transfers the user packet transferred from the P-GW 111 to the eNB 113, and transfers the user packet transferred from the eNB 113 to the P-GW 111.
  • the MME 115 manages movement such as location registration, handover, and paging of the mobile station, and establishes and deletes bearers.
  • the P-GW111 serves as a connection point with an external network, and also has functions such as assignment of IP addresses to mobile stations and collection of billing data.
  • the PCRF 114 determines quality of service (hereinafter referred to as QoS) and charging for the user data packet.
  • QoS quality of service
  • the MCPTT application Server 121 is a server that performs a Mission Critical Push to talk service.
  • the service specifications of MCPTT over LTE are described in Non-Patent Document 4, and the chapter 4.5.3 MCPTT Users accessing the service through non-3GPP access interface is required to be able to connect to MCPTT from wireless systems other than 3GPP. . Therefore, the business radio is interconnected via the MCPTT application Server.
  • the private communication system is, for example, an ARIB STD-T61, ARIB STD-T79, or ARIB STD-T102 system that includes at least a base station and a plurality of mobile stations, and communicates with a predetermined radio system and signal format.
  • the self-operated communication system is not limited, and is a wireless communication system different from the public wireless system (LTE network in this embodiment), and includes a base station different from the public wireless system, and a predetermined wireless communication system. Any system may be used as long as communication is performed using a method and a signal format.
  • SIP-URI is a mobile station specific number @ domain name.
  • sips is a mobile station specific number @ domain name.
  • the SIP-URI is sip: 01100155@xxxx.com
  • sips 01100155@xxx.com
  • the originator in SIP is described in the From header field. Therefore, when transmitting from the LTE mobile station to the MCPTT application server, the SIP-URI or SIPS-URL is entered in the From header field.
  • the SIP-URI or SIPS-URL is entered in the From header field.
  • FIG. 2 is a diagram for explaining an operation of relaying voice data of the LTE network 110 to the business radio network 120 via the MCPTT application server of the radio communication system according to an embodiment of the present invention.
  • the mobile station unique number of the business radio mobile station of the mobile station 131 is “01100155”.
  • the SIP-URI is sip: 01100155@xxxx.com
  • the voice data being pressed is delivered to the MCPTT application server 121 as From: sip: 01100155@xxxx.com.
  • the MCPTT application server 121 relays these audio data to the business radio network as the source audio 01100155.
  • the business radio mobile station of the mobile station 131 receives the voice data of the transmission source 01100155, but since 01100155 is itself, control is performed so as not to open the speaker of the business radio mobile station. For this reason, since the voice data transmitted from the LTE mobile station is not output from the speaker of the business radio mobile station, no echo is generated.
  • FIG. 3 is a diagram for explaining an operation of relaying voice data of the LTE network to the business radio network via the MCPTT application server of the radio communication system according to an embodiment of the present invention.
  • the mobile station unique number of the business radio mobile station of the mobile station 131 is “01100155”.
  • the voice data having the transmission source 01100155 reaches the MCPTT application Server 121.
  • the MCPTT application server 121 sets SIP-URI as sip: 01100155@xxxx.com, sets From: sip: 01100155@xxxx.com in the From field of the SIP, and relays voice data to the LTE network.
  • the LTE mobile station of the mobile station 121 can recognize that it is receiving its own voice data because the SIP From field is sip: 01100155@xxxx.com. Control not to open. For this reason, since the voice data transmitted from the business radio mobile station does not come out from the speaker of the LTE mobile station, no echo is generated.
  • FIG. 4 is a sequence diagram for explaining the operation of the radio communication system according to the embodiment of the present invention.
  • the unique numbers of the LTE mobile station and the business radio mobile station of the mobile station 131 are both “01100155”.
  • the mobile station 131 transmits voice data to the LTE network 110 (403) when the PPT is pressed (402) in the LTE mobile station mode (401).
  • the LTE network 110 transmits voice data to the IP network 101 (404), the IP network 101 transmits voice data to the business radio network 120 (405), and the business radio network 120 transmits the voice data to the mobile station 131 ( 406).
  • the mobile station 131 receives the voice data transmitted from the business radio network 120 (407), determines the unique number of the voice data transmission source, and if the unique number is its own station, the mobile radio station speaker. Is closed, and if the unique number is in another station, the speaker of the business radio mobile station is opened (408). In this control, the control unit of the mobile station 131 determines the unique number of the transmission source of the voice data received from the radio unit, and when the unique number is the own station, the business radio mobile connected to the control unit If the reception voice is not output from the station-side speaker and the specific number is not the local station, the reception voice is output from the speaker.
  • the mobile station 131 transmits voice data in the business radio mobile station mode
  • the mobile station 131 transmits voice data to the business radio network 120 (413).
  • the business radio network 120 transmits voice data to the IP network 101 (414)
  • the IP network 101 transmits voice data to the LTE network 110 (415)
  • the LTE network 110 transmits the voice data to the mobile station 131 (416).
  • the mobile station 131 receives the voice data transmitted from the LTE network 110 (417), determines the unique number of the voice data transmission source, and closes the LTE mobile station speaker if the unique number is its own station. When the unique number is in another station, the LTE mobile station speaker is opened (418). In this control, the control unit of the mobile station 131 determines the unique number of the transmission source of the voice data received from the radio unit, and when the unique number is the local station, the LTE mobile station connected to the control unit If the received sound is not output from the speaker on the side and the specific number is not the local station, the received sound is output from the speaker.
  • the radio communication system is an LTE mobile station in which MCPTT over LTE and a private radio system such as ARIB STD-T61, ARIB STD-T79 and ARIB STD-T102 are interconnected over IP.
  • a private radio system such as ARIB STD-T61, ARIB STD-T79 and ARIB STD-T102 are interconnected over IP.
  • dual-mode mobile stations that support business radio mobile stations such as ARIB STD-T61, ARIB STD-T79, and ARIB STD-T102 at the same time can prevent echo from occurring in simultaneous communication or group communication.
  • the present invention is not limited to the above-described embodiment, and various modifications can be made without departing from the spirit of the present invention.
  • the dual mode mobile station in the present invention may be provided with a common speaker on the LTE mobile station side and the business radio mobile station side. Even in this case, the same effect as that of the above-described embodiment can be obtained.
  • the dual mode mobile station can be applied to the use of determining whether or not the received voice data is its own station by setting the unique number of the two mobile stations to be the same.
  • 100 Wireless communication system
  • 101 IP network
  • 110 LTE network
  • 111 P-GW
  • 112 S-GW
  • 113 eNB
  • 114 PCRF
  • 115 MME
  • 120 Business wireless network
  • 121 MCPPT Application Server
  • 122 Business radio base station
  • 131, 132 Mobile station.

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

Abstract

La présente invention a pour objet de mettre en œuvre, dans une station mobile bimode qui prend en charge simultanément une station mobile LTE station et une station mobile d'un autre système sans fil indépendant, une communication de télédiffusion et une communication de groupe dans lesquels des échos ne sont pas enclins à survenir. Avec ce système de communication sans fil, une station mobile bimode écrit un numéro unique de station mobile sans fil indépendante dans une région prescrite à l'intérieur d'un USIM et, lors de la transmission en mode de station mobile LTE, utilise le numéro unique de station mobile sans fil indépendante à l'intérieur du USIM dans un SIP-URI ou un SIPS-URI. Lors du relais de données vocales du LTE réseau au réseau sans fil indépendant, le réseau sans fil indépendant acquiert le numéro unique de station mobile à partir du SIP-URI ou du SIPS-URI, qui indique une source de transmission du réseau LTE, et définit ledit numéro unique de station mobile en tant que numéro d'expéditeur lors du relais de données vocales au réseau sans fil indépendant.
PCT/JP2017/006360 2016-03-30 2017-02-21 Système de communication sans fil et procédé de communication sans fil WO2017169302A1 (fr)

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JP2016-068141 2016-03-30
JP2016068141 2016-03-30

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111245823A (zh) * 2020-01-09 2020-06-05 福建星网智慧科技股份有限公司 一种基于lte协议可移动的无线专网音视频通信系统

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008219402A (ja) * 2007-03-02 2008-09-18 Ntt Docomo Inc 通話制御サーバ、及び、通話制御方法
JP2008546250A (ja) * 2005-05-17 2008-12-18 メイコム インコーポレイテッド マルチモード陸上移動無線
JP2013048323A (ja) * 2011-08-29 2013-03-07 Hitachi Kokusai Electric Inc 無線通信システム
JP2013520940A (ja) * 2010-02-24 2013-06-06 クゥアルコム・インコーポレイテッド 複数のワイアレスネットワークへの参加及び複数の識別を管理するための方法及びワイアレスデバイス
JP2016139952A (ja) * 2015-01-28 2016-08-04 株式会社Ｊｖｃケンウッド ハイブリッド端末

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008546250A (ja) * 2005-05-17 2008-12-18 メイコム インコーポレイテッド マルチモード陸上移動無線
JP2008219402A (ja) * 2007-03-02 2008-09-18 Ntt Docomo Inc 通話制御サーバ、及び、通話制御方法
JP2013520940A (ja) * 2010-02-24 2013-06-06 クゥアルコム・インコーポレイテッド 複数のワイアレスネットワークへの参加及び複数の識別を管理するための方法及びワイアレスデバイス
JP2013048323A (ja) * 2011-08-29 2013-03-07 Hitachi Kokusai Electric Inc 無線通信システム
JP2016139952A (ja) * 2015-01-28 2016-08-04 株式会社Ｊｖｃケンウッド ハイブリッド端末

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111245823A (zh) * 2020-01-09 2020-06-05 福建星网智慧科技股份有限公司 一种基于lte协议可移动的无线专网音视频通信系统

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