DE69521050D1 - Verfahren und vorrichtung zur interferenzunterdrückung in einem digitalen zellularen mehrfachantennenkommunikationssystem - Google Patents

Verfahren und vorrichtung zur interferenzunterdrückung in einem digitalen zellularen mehrfachantennenkommunikationssystem

Info

Publication number
DE69521050D1
DE69521050D1 DE69521050T DE69521050T DE69521050D1 DE 69521050 D1 DE69521050 D1 DE 69521050D1 DE 69521050 T DE69521050 T DE 69521050T DE 69521050 T DE69521050 T DE 69521050T DE 69521050 D1 DE69521050 D1 DE 69521050D1
Authority
DE
Germany
Prior art keywords
channel
received signal
signals
antennas
interference
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
DE69521050T
Other languages
English (en)
Other versions
DE69521050T2 (de
Inventor
E Bottomley
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.)
Ericsson Inc
Original Assignee
Ericsson 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
Application filed by Ericsson Inc filed Critical Ericsson Inc
Application granted granted Critical
Publication of DE69521050D1 publication Critical patent/DE69521050D1/de
Publication of DE69521050T2 publication Critical patent/DE69521050T2/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
    • H04B7/02—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
    • 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
    • H04B7/0845—Weighted combining per branch equalization, e.g. by an FIR-filter or RAKE receiver per antenna branch
    • 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
    • H04B7/0848—Joint weighting
    • H04B7/0854—Joint weighting using error minimizing algorithms, e.g. minimum mean squared error [MMSE], "cross-correlation" or matrix inversion
    • 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
    • H04B7/10—Polarisation diversity; Directional diversity
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/02—Arrangements for detecting or preventing errors in the information received by diversity reception
    • H04L1/06—Arrangements for detecting or preventing errors in the information received by diversity reception using space diversity
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
    • H04L25/03006—Arrangements for removing intersymbol interference
    • H04L25/03178—Arrangements involving sequence estimation techniques
    • H04L25/03331—Arrangements for the joint estimation of multiple sequences
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Radio Transmission System (AREA)
  • Noise Elimination (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Transceivers (AREA)
  • Radio Relay Systems (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
DE69521050T 1994-08-02 1995-07-28 Verfahren und vorrichtung zur interferenzunterdrückung in einem digitalen zellularen mehrfachantennenkommunikationssystem Expired - Lifetime DE69521050T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/284,775 US5680419A (en) 1994-08-02 1994-08-02 Method of and apparatus for interference rejection combining in multi-antenna digital cellular communications systems
PCT/US1995/009484 WO1996004738A1 (en) 1994-08-02 1995-07-28 Method of and apparatus for interference rejection combining in multi-antenna digital cellular communications systems

Publications (2)

Publication Number Publication Date
DE69521050D1 true DE69521050D1 (de) 2001-06-28
DE69521050T2 DE69521050T2 (de) 2001-11-29

Family

ID=23091485

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69521050T Expired - Lifetime DE69521050T2 (de) 1994-08-02 1995-07-28 Verfahren und vorrichtung zur interferenzunterdrückung in einem digitalen zellularen mehrfachantennenkommunikationssystem

Country Status (15)

Country Link
US (1) US5680419A (de)
EP (1) EP0775405B1 (de)
JP (1) JPH11509377A (de)
KR (1) KR100297350B1 (de)
CN (1) CN1082300C (de)
AT (1) ATE201543T1 (de)
AU (1) AU691953B2 (de)
BR (1) BR9508455A (de)
CA (1) CA2195849C (de)
DE (1) DE69521050T2 (de)
FI (1) FI970414A (de)
MX (1) MX9700707A (de)
NO (1) NO970389L (de)
RU (1) RU2137302C1 (de)
WO (1) WO1996004738A1 (de)

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Also Published As

Publication number Publication date
CN1082300C (zh) 2002-04-03
EP0775405A1 (de) 1997-05-28
US5680419A (en) 1997-10-21
WO1996004738A1 (en) 1996-02-15
CA2195849A1 (en) 1996-02-03
EP0775405B1 (de) 2001-05-23
JPH11509377A (ja) 1999-08-17
CA2195849C (en) 2005-05-17
DE69521050T2 (de) 2001-11-29
NO970389D0 (no) 1997-01-29
NO970389L (no) 1997-04-02
FI970414A (fi) 1997-03-27
RU2137302C1 (ru) 1999-09-10
MX9700707A (es) 1997-06-28
AU3150795A (en) 1996-03-04
KR100297350B1 (ko) 2001-10-25
AU691953B2 (en) 1998-05-28
BR9508455A (pt) 1998-06-09
FI970414A0 (fi) 1997-01-31
CN1157073A (zh) 1997-08-13
ATE201543T1 (de) 2001-06-15

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