DE69904319T2 - Sanftes weiterreichen in zellularen mobilfunknetzen - Google Patents

Sanftes weiterreichen in zellularen mobilfunknetzen

Info

Publication number
DE69904319T2
DE69904319T2 DE69904319T DE69904319T DE69904319T2 DE 69904319 T2 DE69904319 T2 DE 69904319T2 DE 69904319 T DE69904319 T DE 69904319T DE 69904319 T DE69904319 T DE 69904319T DE 69904319 T2 DE69904319 T2 DE 69904319T2
Authority
DE
Germany
Prior art keywords
cellular mobile
mobile networks
gentle range
gentle
range
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.)
Expired - Lifetime
Application number
DE69904319T
Other languages
English (en)
Other versions
DE69904319D1 (de
Inventor
Behzad Mohebbi
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.)
Fujitsu Ltd
Original Assignee
Fujitsu Ltd
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 Fujitsu Ltd filed Critical Fujitsu Ltd
Publication of DE69904319D1 publication Critical patent/DE69904319D1/de
Application granted granted Critical
Publication of DE69904319T2 publication Critical patent/DE69904319T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/16—Performing reselection for specific purposes
    • H04W36/18—Performing reselection for specific purposes for allowing seamless reselection, e.g. soft reselection
    • 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
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/24—Reselection being triggered by specific parameters
    • H04W36/30—Reselection being triggered by specific parameters by measured or perceived connection quality data
    • H04W36/302—Reselection being triggered by specific parameters by measured or perceived connection quality data due to low signal strength
    • 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
    • H04W52/38—TPC being performed in particular situations
    • H04W52/40—TPC being performed in particular situations during macro-diversity or soft handoff
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W84/00—Network topologies
    • H04W84/02—Hierarchically pre-organised networks, e.g. paging networks, cellular networks, WLAN [Wireless Local Area Network] or WLL [Wireless Local Loop]
    • H04W84/04—Large scale networks; Deep hierarchical networks
    • H04W84/042—Public Land Mobile systems, e.g. cellular systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/0005—Control or signalling for completing the hand-off
    • H04W36/0055—Transmission or use of information for re-establishing the radio link
    • H04W36/0064—Transmission or use of information for re-establishing the radio link of control information between different access points
    • 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
DE69904319T 1998-05-14 1999-04-28 Sanftes weiterreichen in zellularen mobilfunknetzen Expired - Lifetime DE69904319T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB9810424A GB2337414A (en) 1998-05-14 1998-05-14 Soft handoff in cellular communications networks
PCT/GB1999/001347 WO1999059367A1 (en) 1998-05-14 1999-04-28 Soft hand-off in cellular mobile communications networks

Publications (2)

Publication Number Publication Date
DE69904319D1 DE69904319D1 (de) 2003-01-16
DE69904319T2 true DE69904319T2 (de) 2003-04-17

Family

ID=10832096

Family Applications (2)

Application Number Title Priority Date Filing Date
DE69914334T Expired - Lifetime DE69914334T2 (de) 1998-05-14 1999-04-28 Basisstationsauswahl in einem zellularen mobilen Funkkommunikationsnetz
DE69904319T Expired - Lifetime DE69904319T2 (de) 1998-05-14 1999-04-28 Sanftes weiterreichen in zellularen mobilfunknetzen

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE69914334T Expired - Lifetime DE69914334T2 (de) 1998-05-14 1999-04-28 Basisstationsauswahl in einem zellularen mobilen Funkkommunikationsnetz

Country Status (8)

Country Link
US (6) US6603971B1 (de)
EP (2) EP1078547B1 (de)
JP (3) JP4246915B2 (de)
KR (2) KR100619658B1 (de)
CN (1) CN1155284C (de)
DE (2) DE69914334T2 (de)
GB (1) GB2337414A (de)
WO (1) WO1999059367A1 (de)

Families Citing this family (149)

* Cited by examiner, † Cited by third party
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US6889046B2 (en) 2005-05-03
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KR100619659B1 (ko) 2006-09-05
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US6606497B2 (en) 2003-08-12
US6658252B2 (en) 2003-12-02
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US6636735B2 (en) 2003-10-21
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US6836661B2 (en) 2004-12-28
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