CA2411999A1 - Method and system for mobile communications - Google Patents

Method and system for mobile communications Download PDF

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Publication number
CA2411999A1
CA2411999A1 CA002411999A CA2411999A CA2411999A1 CA 2411999 A1 CA2411999 A1 CA 2411999A1 CA 002411999 A CA002411999 A CA 002411999A CA 2411999 A CA2411999 A CA 2411999A CA 2411999 A1 CA2411999 A1 CA 2411999A1
Authority
CA
Canada
Prior art keywords
mobile station
network
temporary user
mobile
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.)
Granted
Application number
CA002411999A
Other languages
French (fr)
Other versions
CA2411999C (en
Inventor
Motoshi Tamura
Mutsumaru Miki
Akiko Okamoto
Kenya Kusunose
Akihiro Uchikoshi
Daisuke Igarashi
Katsuhiko Yamagata
Takaaki Sato
Junichiro Hagiwara
Yasuyuki Watanabe
Takuya Hamajima
Masafumi Hata
Nobutaka Ishikawa
Yoshiyuki Yasuda
Kazufumi Yunoki
Nobuhide Uchiyama
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.)
NTT Docomo Inc
Original Assignee
Ntt Mobile Communications Network Inc.
Motoshi Tamura
Mutsumaru Miki
Akiko Okamoto
Kenya Kusunose
Akihiro Uchikoshi
Daisuke Igarashi
Katsuhiko Yamagata
Takaaki Sato
Junichiro Hagiwara
Yasuyuki Watanabe
Takuya Hamajima
Masafumi Hata
Nobutaka Ishikawa
Yoshiyuki Yasuda
Kazufumi Yunoki
Nobuhide Uchiyama
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 Ntt Mobile Communications Network Inc., Motoshi Tamura, Mutsumaru Miki, Akiko Okamoto, Kenya Kusunose, Akihiro Uchikoshi, Daisuke Igarashi, Katsuhiko Yamagata, Takaaki Sato, Junichiro Hagiwara, Yasuyuki Watanabe, Takuya Hamajima, Masafumi Hata, Nobutaka Ishikawa, Yoshiyuki Yasuda, Kazufumi Yunoki, Nobuhide Uchiyama filed Critical Ntt Mobile Communications Network Inc.
Priority claimed from CA002286300A external-priority patent/CA2286300C/en
Publication of CA2411999A1 publication Critical patent/CA2411999A1/en
Application granted granted Critical
Publication of CA2411999C publication Critical patent/CA2411999C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/022—Site diversity; Macro-diversity
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/04—TPC
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/04—TPC
    • H04W52/06—TPC algorithms
    • H04W52/12—Outer and inner loops

Abstract

When a network pages the temporary user mobile identifier of a mobile station, the mobile station sends a response to the network. Next, the network checks the authenticity of the user using a ciphering key, corresponding to the temporary user mobile identifier and a random number. If the temporary user mobile identifier is authenticated, a normal incoming call acceptance procedure is executed. If the mobile station is authenticated although the temporary user mobile identifier is wrong, the network reassigns a new temporary user mobile identifier to the mobile station and stops the current communication. In communication, the network and the mobile station mutually notify encipherment-onset time and negotiate about encipherment manner with each other. In addition, diversity handover is commenced upon a call attempt. Furthermore, if a branch replacement is necessary, the current branch is replaced by new branches capable of executing the diversity handover. Additionally, when a new call occurs to or from the mobile station capable of treating a plurality of calls simultaneously, the mobile station uses the same branch structure and the same communication frequency band for all of calls. Additionally, when a new call occurs to or from the mobile station capable of treating a plurality of calls simultaneously, a branch structure and a communication frequency band, which can continue all of the calls, are selected and used. Therefore, the mobile communications system is suitable for transmission of various sorts of data in accordance with the development of multimedia.
CA002411999A 1997-04-24 1998-04-24 Method and system for mobile communications Expired - Fee Related CA2411999C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP12378297 1997-04-24
JP9/123782 1997-04-24
CA002286300A CA2286300C (en) 1997-04-24 1998-04-24 Mobile diversity handover and branch control

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
CA002286300A Division CA2286300C (en) 1997-04-24 1998-04-24 Mobile diversity handover and branch control

Publications (2)

Publication Number Publication Date
CA2411999A1 true CA2411999A1 (en) 1998-10-29
CA2411999C CA2411999C (en) 2008-04-29

Family

ID=39370923

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002411999A Expired - Fee Related CA2411999C (en) 1997-04-24 1998-04-24 Method and system for mobile communications

Country Status (1)

Country Link
CA (1) CA2411999C (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7602917B2 (en) 1999-03-08 2009-10-13 Nokia Corporation Method of ciphering data transmission in a radio system
US8014307B2 (en) 2000-02-22 2011-09-06 Nokia Corporation Integrity check in a communication system

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7602917B2 (en) 1999-03-08 2009-10-13 Nokia Corporation Method of ciphering data transmission in a radio system
US8014307B2 (en) 2000-02-22 2011-09-06 Nokia Corporation Integrity check in a communication system
US10187794B2 (en) 2000-02-22 2019-01-22 Nokia Technologies Oy Integrity check in a communication system

Also Published As

Publication number Publication date
CA2411999C (en) 2008-04-29

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Legal Events

Date Code Title Description
EEER Examination request
MKLA Lapsed

Effective date: 20160425