DE69823634T2 - Verfahren und System zum Betrieb eines zellularen Systemes mit Strahlbildungsantennen - Google Patents

Verfahren und System zum Betrieb eines zellularen Systemes mit Strahlbildungsantennen Download PDF

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Publication number
DE69823634T2
DE69823634T2 DE69823634T DE69823634T DE69823634T2 DE 69823634 T2 DE69823634 T2 DE 69823634T2 DE 69823634 T DE69823634 T DE 69823634T DE 69823634 T DE69823634 T DE 69823634T DE 69823634 T2 DE69823634 T2 DE 69823634T2
Authority
DE
Germany
Prior art keywords
operating
beamforming antennas
cellular
cellular system
beamforming
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
DE69823634T
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English (en)
Other versions
DE69823634D1 (de
Inventor
Steven Gray
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.)
Nokia Oyj
Original Assignee
Nokia Oyj
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 Nokia Oyj filed Critical Nokia Oyj
Application granted granted Critical
Publication of DE69823634D1 publication Critical patent/DE69823634D1/de
Publication of DE69823634T2 publication Critical patent/DE69823634T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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
    • H04W16/28—Cell structures using beam steering
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation
    • H04W72/044—Wireless resource allocation based on the type of the allocated resource
    • H04W72/046—Wireless resource allocation based on the type of the allocated resource the resource being in the space domain, e.g. beams
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/69—Spread spectrum techniques
    • H04B1/707—Spread spectrum techniques using direct sequence modulation
    • H04B1/7073—Synchronisation aspects
    • H04B1/7075—Synchronisation aspects with code phase acquisition
    • 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
    • H04B7/0615—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 weighted versions of same signal
    • H04B7/0617—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 weighted versions of same signal for beam forming
    • 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
    • H04B7/08—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station
    • H04B7/0837—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station using pre-detection combining
    • H04B7/0842—Weighted combining
    • H04B7/086—Weighted combining using weights depending on external parameters, e.g. direction of arrival [DOA], predetermined weights or beamforming

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
DE69823634T 1997-11-26 1998-11-26 Verfahren und System zum Betrieb eines zellularen Systemes mit Strahlbildungsantennen Expired - Lifetime DE69823634T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/979,744 US6108323A (en) 1997-11-26 1997-11-26 Method and system for operating a CDMA cellular system having beamforming antennas

Publications (2)

Publication Number Publication Date
DE69823634D1 DE69823634D1 (de) 2004-06-09
DE69823634T2 true DE69823634T2 (de) 2005-04-21

Family

ID=25527127

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69823634T Expired - Lifetime DE69823634T2 (de) 1997-11-26 1998-11-26 Verfahren und System zum Betrieb eines zellularen Systemes mit Strahlbildungsantennen

Country Status (3)

Country Link
US (1) US6108323A (de)
EP (1) EP0926843B1 (de)
DE (1) DE69823634T2 (de)

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Also Published As

Publication number Publication date
EP0926843A3 (de) 2000-08-02
EP0926843B1 (de) 2004-05-06
US6108323A (en) 2000-08-22
DE69823634D1 (de) 2004-06-09
EP0926843A2 (de) 1999-06-30

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8328 Change in the person/name/address of the agent

Representative=s name: BECKER, KURIG, STRAUS, 80336 MUENCHEN