WO2020250384A1 - Dispositif de relais, procédé de relais et système de communications mobile - Google Patents

Dispositif de relais, procédé de relais et système de communications mobile Download PDF

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Publication number
WO2020250384A1
WO2020250384A1 PCT/JP2019/023503 JP2019023503W WO2020250384A1 WO 2020250384 A1 WO2020250384 A1 WO 2020250384A1 JP 2019023503 W JP2019023503 W JP 2019023503W WO 2020250384 A1 WO2020250384 A1 WO 2020250384A1
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WO
WIPO (PCT)
Prior art keywords
identification information
mobile communication
communication
base station
backhaul
Prior art date
Application number
PCT/JP2019/023503
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English (en)
Japanese (ja)
Inventor
和人 野口
真規 野町
充弘 近藤
将彦 南里
志郎 福元
阿部　達朗
基貴 飯田
Original Assignee
ソフトバンク株式会社
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.)
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Publication date
Application filed by ソフトバンク株式会社 filed Critical ソフトバンク株式会社
Priority to PCT/JP2019/023503 priority Critical patent/WO2020250384A1/fr
Priority to JP2019555698A priority patent/JP6788754B1/ja
Publication of WO2020250384A1 publication Critical patent/WO2020250384A1/fr

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W16/00—Network planning, e.g. coverage or traffic planning tools; Network deployment, e.g. resource partitioning or cells structures
    • H04W16/24—Cell structures
    • H04W16/26—Cell enhancers or enhancement, e.g. for tunnels, building shadow
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
    • H04W88/08—Access point devices
    • H04W88/10—Access point devices adapted for operation in multiple networks, e.g. multi-mode access points

Definitions

  • LTE Long T erm E volution
  • UE U ser E quipment
  • macrocells Small cell having a small coverage area than the base station ( Small-cell) Base station
  • AC Ac cess Link
  • the second core network 60 includes HSS601, MME602, SGW603, and PGW604.
  • the HSS 601 is a server that manages subscriber information of users who use the terminal device 10.
  • the MME 602 is a node that accommodates the access communication unit 22 and executes mobility management such as position management and calling of the terminal device 10.
  • the SGW 603 is a node that transmits user packet data.
  • the PGW 604 is a node having an interface with the external network 70.
  • the above configuration of the mobile communication network MN is an example, and is not limited to this.
  • the access communication unit 22 is connected to any terminal device 10 via radio waves in the same frequency band to form an access communication path AC.
  • the access communication unit 22 demodulates the uplink data received from each terminal device 10 and outputs it as a block of packet data in the order of reception. Further, the access communication unit 22 modulates a block of packet data, which is downlink data provided by the division / integration unit 24, with a carrier wave of a common frequency band, and transmits the block via the access communication path AC.
  • Both uplink data and downlink data are composed of a plurality of packet data blocks.
  • the corresponding mobile communication carrier can be identified by the identification information ID given to each block.
  • the access communication unit 22 is mainly composed of hardware. However, it is also possible to configure the access communication unit 22 so that the control unit performs the same function by executing a software program.
  • Each of the backhaul communication units 26 is provided with means for limiting the connection destination.
  • the connection destination limiting means has a function of permitting connection only to a specific mobile communication carrier and prohibiting connection to other mobile communication carriers.
  • Representative examples of such restriction means include SIM (S ubscriber I dentity M odule ) is.
  • SIM cards are provided in various forms such as standard SIM, microSIM, and nanoSIM. By replacing the SIM card to which a different identification information ID is assigned, it is possible to change the connection destination to a different mobile communication network MN.
  • This aspect is a mode in which a so-called backup function is provided, in which the other is used as a complement to either the wireless communication BH-r or the wired communication BH-c. In this aspect, it functions as a so-called hot standby state in which one of the wireless communication BH-r and the wired communication BH-c is selected and the other is immediately selected and used.
  • a wide band that maximizes the traffic on the communication path can be achieved by using both the wireless communication BH-r and the wired communication BH-c.
  • the macrocell base station can also be connected to other wireless communication devices such as the relay device 20 and the terminal device 10. Therefore, even when the wireless communication BH-r is selected, the band of the wireless communication BH-r may be narrowed when the traffic with other wireless communication devices increases.
  • both the wireless communication BH-r and the wired communication BH-c are selected at the same time, so that a constant band can be continuously secured.
  • the identification information ID given to the parameter is referred to to determine whether the parameter should be managed / controlled in each core network. Therefore, the global parameter of the relay device 20 set including the identification information ID of the mobile communication carrier other than itself is ignored.
  • the relay device 20 since the relay device 20 is given IDa + eNB-ID as a global parameter, it is identified by the mobile communication network MNa of the mobile communication operator a. However, it is ignored by the mobile communication network MNb of the mobile communication operator b.
  • the mobile communication system according to the third embodiment deals with such inconvenience.
  • the relay device 20 is given IDa + eNB-ID as a global parameter for identifying the relay device 20 as a base station.
  • IDa included in the global parameter is recognized without any problem because it is the identification information of the mobile communication operator a.
  • the identification information IDb that identifies the own mobile communication operator b in the global parameter that specifies the relay device 20. Is not included, so it will be ignored.
  • the global parameter sent from the second core network 60b side to the relay device 20 includes the second identification information IDb, but the virtual base station device 50b also refers to the conversion table 52 with reference to the conversion table 52.
  • the second identification information IDb included in the global parameter is rewritten to the first identification information IDa, and then provided to the first core network 40b side. Therefore, the relay device 20 recognizes this global parameter including the first identification information IDa as correct.
  • step ST12 the virtual base station device 50a on the MNa side of the mobile communication network is provided to the second core network 60a because the conversion of the identification information is not specified by the management server 80.
  • step ST13 the second core network 60a returns a setting response S1SetupReponse to this.
  • step ST14 the virtual base station apparatus 50a that has received this is provided to the relay apparatus 20 as it is because the conversion of the identification information is not specified by the management server 80.
  • step ST17 the virtual base station device 50a of the core network 60a transmits the location information update MME Configuration Update to the relay device 20.
  • step ST18 the relay device 20 returns the location information update response MMEconfigurationUpdateAcknowledge to the mobile communication network MNa.

Landscapes

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

Abstract

L'invention concerne une technique de relais destinée à être connectée aux réseaux de communication mobiles d'une pluralité de fournisseurs de communication mobiles. Un dispositif de relais (20) selon un mode de réalisation de la présente invention relaie une communication entre un dispositif de terminal (10) et une station de base de cellule donneuse (30). Le dispositif de relais (20) comprend : une unité de communication d'accès (22) qui est connectée à un ou plusieurs dispositifs de terminal (10) ; et une pluralité d'unités de communication de liaison terrestre (26) qui établissent chacun un chemin de communication de liaison terrestre (BH), associé à un identifiant d'informations (ID) spécifié, avec la station de base de cellule donneuse (30) associée à l'ID spécifié. Le dispositif terminal (10) associé à l'ID spécifié est connecté au trajet de communication de liaison terrestre spécifié (26) associé à l'ID spécifié
PCT/JP2019/023503 2019-06-13 2019-06-13 Dispositif de relais, procédé de relais et système de communications mobile WO2020250384A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
PCT/JP2019/023503 WO2020250384A1 (fr) 2019-06-13 2019-06-13 Dispositif de relais, procédé de relais et système de communications mobile
JP2019555698A JP6788754B1 (ja) 2019-06-13 2019-06-13 移動体通信システム及びその制御方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2019/023503 WO2020250384A1 (fr) 2019-06-13 2019-06-13 Dispositif de relais, procédé de relais et système de communications mobile

Publications (1)

Publication Number Publication Date
WO2020250384A1 true WO2020250384A1 (fr) 2020-12-17

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PCT/JP2019/023503 WO2020250384A1 (fr) 2019-06-13 2019-06-13 Dispositif de relais, procédé de relais et système de communications mobile

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JP (1) JP6788754B1 (fr)
WO (1) WO2020250384A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPWO2020255261A1 (fr) * 2019-06-18 2020-12-24

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011171994A (ja) * 2010-02-18 2011-09-01 Mitsubishi Electric Corp 中継装置および通信システム
WO2012035697A1 (fr) * 2010-09-17 2012-03-22 パナソニック株式会社 Station de base et système de communication
US20170272963A1 (en) * 2016-03-18 2017-09-21 Plume Design, Inc. Optimization of distributed wi-fi networks

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011171994A (ja) * 2010-02-18 2011-09-01 Mitsubishi Electric Corp 中継装置および通信システム
WO2012035697A1 (fr) * 2010-09-17 2012-03-22 パナソニック株式会社 Station de base et système de communication
US20170272963A1 (en) * 2016-03-18 2017-09-21 Plume Design, Inc. Optimization of distributed wi-fi networks

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPWO2020255261A1 (fr) * 2019-06-18 2020-12-24
JP7260644B2 (ja) 2019-06-18 2023-04-18 ソフトバンク株式会社 中継装置及び中継方法

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JPWO2020250384A1 (ja) 2021-09-13
JP6788754B1 (ja) 2020-11-25

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