ATE302535T1 - Verfahren und vorrichtung für diversity beim harten weiterreichen in einem cdma-system - Google Patents

Verfahren und vorrichtung für diversity beim harten weiterreichen in einem cdma-system

Info

Publication number
ATE302535T1
ATE302535T1 AT97927692T AT97927692T ATE302535T1 AT E302535 T1 ATE302535 T1 AT E302535T1 AT 97927692 T AT97927692 T AT 97927692T AT 97927692 T AT97927692 T AT 97927692T AT E302535 T1 ATE302535 T1 AT E302535T1
Authority
AT
Austria
Prior art keywords
base station
remote unit
communication signal
active communication
antenna
Prior art date
Application number
AT97927692T
Other languages
English (en)
Inventor
Edward G Tiedemann Jr
Original Assignee
Qualcomm Inc
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=24612837&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=ATE302535(T1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Qualcomm Inc filed Critical Qualcomm Inc
Application granted granted Critical
Publication of ATE302535T1 publication Critical patent/ATE302535T1/de

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
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
    • H04B7/0613—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission
    • H04B7/0667—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of delayed versions of same signal
    • H04B7/0671—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of delayed versions of same signal using different delays between antennas
    • 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
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/24—Radio transmission systems, i.e. using radiation field for communication between two or more posts
    • H04B7/26—Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile
    • H04B7/2603—Arrangements for wireless physical layer control
    • H04B7/2606—Arrangements for base station coverage control, e.g. by using relays in tunnels
    • 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
    • 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
    • H04W52/42—TPC being performed in particular situations in systems with time, space, frequency or polarisation diversity
    • 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
    • H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/02—Power saving arrangements
    • H04W52/0203—Power saving arrangements in the radio access network or backbone network of wireless communication networks
    • 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
    • H04W52/16—Deriving transmission power values from another channel
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00—Reducing energy consumption in communication networks
    • Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Radio Transmission System (AREA)
  • Radio Relay Systems (AREA)
  • Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
AT97927692T 1996-05-22 1997-05-22 Verfahren und vorrichtung für diversity beim harten weiterreichen in einem cdma-system ATE302535T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/651,430 US5926470A (en) 1996-05-22 1996-05-22 Method and apparatus for providing diversity in hard handoff for a CDMA system
PCT/US1997/008671 WO1997044983A2 (en) 1996-05-22 1997-05-22 Method and apparatus for providing diversity in hard handoff for a cdma system

Publications (1)

Publication Number Publication Date
ATE302535T1 true ATE302535T1 (de) 2005-09-15

Family

ID=24612837

Family Applications (1)

Application Number Title Priority Date Filing Date
AT97927692T ATE302535T1 (de) 1996-05-22 1997-05-22 Verfahren und vorrichtung für diversity beim harten weiterreichen in einem cdma-system

Country Status (14)

Country Link
US (1) US5926470A (de)
EP (1) EP0900512B1 (de)
JP (2) JP4191249B2 (de)
CN (1) CN1158889C (de)
AT (1) ATE302535T1 (de)
AU (1) AU3209197A (de)
BR (1) BR9712090A (de)
CA (1) CA2256409C (de)
DE (1) DE69733997T2 (de)
HK (1) HK1018874A1 (de)
IL (1) IL127171A (de)
TW (1) TW361021B (de)
WO (1) WO1997044983A2 (de)
ZA (1) ZA974384B (de)

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Also Published As

Publication number Publication date
AU3209197A (en) 1997-12-09
ZA974384B (en) 1998-08-24
JP2007195206A (ja) 2007-08-02
CA2256409A1 (en) 1997-11-27
IL127171A (en) 2003-06-24
EP0900512B1 (de) 2005-08-17
US5926470A (en) 1999-07-20
TW361021B (en) 1999-06-11
DE69733997T2 (de) 2006-06-29
WO1997044983A3 (en) 1997-12-24
IL127171A0 (en) 1999-09-22
DE69733997D1 (de) 2005-09-22
JP4191249B2 (ja) 2008-12-03
BR9712090A (pt) 1999-08-31
HK1018874A1 (en) 2000-01-07
CA2256409C (en) 2011-08-02
CN1225788A (zh) 1999-08-11
EP0900512A2 (de) 1999-03-10
JP2000511377A (ja) 2000-08-29
CN1158889C (zh) 2004-07-21
WO1997044983A2 (en) 1997-11-27
JP4643600B2 (ja) 2011-03-02

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