TW582141B - Receiver and method therefor - Google Patents

Receiver and method therefor Download PDF

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Publication number
TW582141B
TW582141B TW91115349A TW91115349A TW582141B TW 582141 B TW582141 B TW 582141B TW 91115349 A TW91115349 A TW 91115349A TW 91115349 A TW91115349 A TW 91115349A TW 582141 B TW582141 B TW 582141B
Authority
TW
Taiwan
Prior art keywords
signal
combined
unit
signals
characteristic
Prior art date
Application number
TW91115349A
Other languages
English (en)
Chinese (zh)
Inventor
Junsong Li
Jon D Hendrix
Charles E Seaberg
Yui-Luen Ho
Azfar Inayatullah
Original Assignee
Motorola 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
Priority claimed from US09/916,684 external-priority patent/US6751264B2/en
Priority claimed from US09/916,915 external-priority patent/US6760386B2/en
Priority claimed from US09/916,685 external-priority patent/US20030035498A1/en
Application filed by Motorola Inc filed Critical Motorola Inc
Application granted granted Critical
Publication of TW582141B publication Critical patent/TW582141B/zh

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
    • H04B7/0868—Hybrid systems, i.e. switching and combining
    • H04B7/0871—Hybrid systems, i.e. switching and combining using different reception schemes, at least one of them being a diversity reception scheme
    • 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
    • H04B1/06—Receivers
    • H04B1/10—Means associated with receiver for limiting or suppressing noise or interference
    • H04B1/1081—Reduction of multipath noise
    • 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
    • H04B1/06—Receivers
    • H04B1/16—Circuits
    • H04B1/26—Circuits for superheterodyne receivers
    • H04B1/28—Circuits for superheterodyne receivers the receiver comprising at least one semiconductor device having three or more electrodes
    • 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
    • H04B7/084—Equal gain combining, only phase adjustments
    • 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
    • H04B7/0865—Independent weighting, i.e. weights based on own antenna reception parameters
    • 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
    • H04L1/0618—Space-time coding
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/32—Carrier systems characterised by combinations of two or more of the types covered by groups H04L27/02, H04L27/10, H04L27/18 or H04L27/26
    • H04L27/34—Amplitude- and phase-modulated carrier systems, e.g. quadrature-amplitude modulated carrier systems
    • H04L27/38—Demodulator circuits; Receiver circuits
    • 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
    • H04B7/0891—Space-time diversity

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Radio Transmission System (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
TW91115349A 2001-07-27 2002-07-10 Receiver and method therefor TW582141B (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US09/916,684 US6751264B2 (en) 2001-07-27 2001-07-27 Receiver and method therefor
US09/916,915 US6760386B2 (en) 2001-07-27 2001-07-27 Receiver and method therefor
US09/916,685 US20030035498A1 (en) 2001-07-27 2001-07-27 Receiver and method therefor

Publications (1)

Publication Number Publication Date
TW582141B true TW582141B (en) 2004-04-01

Family

ID=27420638

Family Applications (1)

Application Number Title Priority Date Filing Date
TW91115349A TW582141B (en) 2001-07-27 2002-07-10 Receiver and method therefor

Country Status (5)

Country Link
EP (1) EP1415414A1 (ja)
JP (2) JP4275530B2 (ja)
CN (1) CN100566206C (ja)
TW (1) TW582141B (ja)
WO (1) WO2003032523A1 (ja)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6369938B1 (en) 1996-05-28 2002-04-09 Fujitsu Limited Multi-wavelength light amplifier
US6603596B2 (en) 1998-03-19 2003-08-05 Fujitsu Limited Gain and signal level adjustments of cascaded optical amplifiers
DE102005054574A1 (de) * 2005-11-16 2007-05-24 Robert Bosch Gmbh Empfänger und Verfahren zum Empfangen eines digitalen Funksignals und zum Bereitstellen eines Datenstroms
US20070297497A1 (en) * 2006-06-21 2007-12-27 Seibert Cristina A Apparatus And Method For Interference Cancellation
JP5085269B2 (ja) * 2007-10-23 2012-11-28 京セラ株式会社 無線通信装置
US8130145B2 (en) * 2009-06-24 2012-03-06 Qualcomm Incorporated Receive diversity in GNSS receivers
US11805396B2 (en) 2019-03-27 2023-10-31 Analog Devices, Inc. Coherent summation in wireless sensor platforms
CN112865892B (zh) * 2021-01-19 2023-05-16 中国科学院国家空间科学中心 基于信噪比排序的自适应广义选择分集合并方法和系统

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4210871A (en) * 1978-09-01 1980-07-01 The United States Of America As Represented By The Secretary Of The Navy Optimum diversity combining circuit for a plurality of channels
US6067295A (en) * 1997-01-13 2000-05-23 Lucent Technologies, Inc. Method and apparatus for reducing error in recovering information bits in a wireless system
US5710995A (en) * 1997-01-16 1998-01-20 Ford Motor Company Adaptive antenna receiver
US6172970B1 (en) * 1997-05-05 2001-01-09 The Hong Kong University Of Science And Technology Low-complexity antenna diversity receiver
US6141536A (en) * 1998-06-23 2000-10-31 Visteon Global Technologies, Inc. Diversity radio system with RDS
JP3422309B2 (ja) * 1999-04-05 2003-06-30 日本電信電話株式会社 適応アレイアンテナ装置
US6151487A (en) * 1999-08-31 2000-11-21 Hughes Electronics Corporation Demodulation structure for fast fading cellular channels

Also Published As

Publication number Publication date
JP4275530B2 (ja) 2009-06-10
JP4865764B2 (ja) 2012-02-01
WO2003032523A1 (en) 2003-04-17
JP2005522897A (ja) 2005-07-28
EP1415414A1 (en) 2004-05-06
CN1545772A (zh) 2004-11-10
JP2008263627A (ja) 2008-10-30
CN100566206C (zh) 2009-12-02

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Legal Events

Date Code Title Description
MM4A Annulment or lapse of patent due to non-payment of fees