DE69931047D1 - Mobile kommunikationseinheit sowie verfahren zum wechseln von funkkommunikationssystemen - Google Patents

Mobile kommunikationseinheit sowie verfahren zum wechseln von funkkommunikationssystemen

Info

Publication number
DE69931047D1
DE69931047D1 DE69931047T DE69931047T DE69931047D1 DE 69931047 D1 DE69931047 D1 DE 69931047D1 DE 69931047 T DE69931047 T DE 69931047T DE 69931047 T DE69931047 T DE 69931047T DE 69931047 D1 DE69931047 D1 DE 69931047D1
Authority
DE
Germany
Prior art keywords
change
wireless communication
communication unit
mobile communication
communication systems
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.)
Withdrawn - After Issue
Application number
DE69931047T
Other languages
English (en)
Other versions
DE69931047T2 (de
Inventor
Kaori Hazama
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.)
Mitsubishi Corp
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Corp
Mitsubishi Electric Corp
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 Mitsubishi Corp, Mitsubishi Electric Corp filed Critical Mitsubishi Corp
Application granted granted Critical
Publication of DE69931047D1 publication Critical patent/DE69931047D1/de
Publication of DE69931047T2 publication Critical patent/DE69931047T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/14—Relay systems
    • H04B7/15—Active relay systems
    • H04B7/185—Space-based or airborne stations; Stations for satellite systems
    • H04B7/1853—Satellite systems for providing telephony service to a mobile station, i.e. mobile satellite service
    • H04B7/18563—Arrangements for interconnecting multiple systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/24—Reselection being triggered by specific parameters
    • H04W36/32—Reselection being triggered by specific parameters by location or mobility data, e.g. speed data
    • H04W36/328—Reselection being triggered by specific parameters by location or mobility data, e.g. speed data by altitude

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Astronomy & Astrophysics (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • General Physics & Mathematics (AREA)
  • Mobile Radio Communication Systems (AREA)
DE69931047T 1999-02-08 1999-02-08 Mobile kommunikationseinheit sowie verfahren zum wechseln von funkkommunikationssystemen Expired - Lifetime DE69931047T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP1999/000519 WO2000048414A1 (fr) 1999-02-08 1999-02-08 Unite de communication mobile et procede de commutation de systeme de communication radio

Publications (2)

Publication Number Publication Date
DE69931047D1 true DE69931047D1 (de) 2006-06-01
DE69931047T2 DE69931047T2 (de) 2006-09-28

Family

ID=14234887

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69931047T Expired - Lifetime DE69931047T2 (de) 1999-02-08 1999-02-08 Mobile kommunikationseinheit sowie verfahren zum wechseln von funkkommunikationssystemen

Country Status (4)

Country Link
EP (1) EP1069793B1 (de)
JP (1) JP3672824B2 (de)
DE (1) DE69931047T2 (de)
WO (1) WO2000048414A1 (de)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7142860B2 (en) * 2001-03-30 2006-11-28 Telefonaktiebolaget Lm Ericsson (Publ) Network/cell/interface selection in mixed networks
JP2003032748A (ja) * 2001-07-17 2003-01-31 Ntt Docomo Inc 移動通信網形成装置、移動通信システム、及び移動通信網形成方法
US7574224B2 (en) 2005-06-13 2009-08-11 Qualcomm Incorporated Methods and apparatus for performing timing synchronization with base stations
KR20130128140A (ko) * 2012-05-16 2013-11-26 현대모비스 주식회사 디지털 라디오 수신 단말 및 디지털 라디오 방송 제공 방법
JP7382894B2 (ja) * 2020-04-21 2023-11-17 三菱電機株式会社 観測システム、通信衛星および観測衛星

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5499386A (en) * 1993-07-09 1996-03-12 Telefonaktiebolaget L M Ericsson Best server selection in layered cellular radio system
JP3162576B2 (ja) * 1994-07-06 2001-05-08 松下電器産業株式会社 移動体通信装置
FI106671B (fi) * 1995-03-13 2001-03-15 Nokia Mobile Phones Ltd Matkaviestinkokonaisuus, matkaviestinpäätelaite ja menetelmä yhteyden muodostamiseksi matkaviestinpäätelaitteelta
JP3427557B2 (ja) * 1995-03-31 2003-07-22 三菱電機株式会社 移動通信端末
GB2313257A (en) * 1996-05-17 1997-11-19 Motorola Ltd Selecting data relevant to multiple communication systems in vicinity of a programmable subscriber unit
US5878349A (en) * 1996-07-16 1999-03-02 Telefonaktiebolaget L M Ericsson Call set-up on 800 MHz analog voice channel from 1900 MHZ digital control channel
US6128490A (en) * 1997-05-08 2000-10-03 Nortel Networks Limited Wireless communication system that supports selection of operation from multiple frequency bands and multiple protocols and method of operation therefor

Also Published As

Publication number Publication date
EP1069793B1 (de) 2006-04-26
EP1069793A1 (de) 2001-01-17
EP1069793A4 (de) 2001-08-29
DE69931047T2 (de) 2006-09-28
WO2000048414A1 (fr) 2000-08-17
JP3672824B2 (ja) 2005-07-20

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Legal Events

Date Code Title Description
8330 Complete renunciation