CN100566206C - 一种产生合并信号的方法 - Google Patents

一种产生合并信号的方法 Download PDF

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Publication number
CN100566206C
CN100566206C CNB028163591A CN02816359A CN100566206C CN 100566206 C CN100566206 C CN 100566206C CN B028163591 A CNB028163591 A CN B028163591A CN 02816359 A CN02816359 A CN 02816359A CN 100566206 C CN100566206 C CN 100566206C
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CN
China
Prior art keywords
signal
lead
multiplier
circuit
adder
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
CNB028163591A
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English (en)
Chinese (zh)
Other versions
CN1545772A (zh
Inventor
李君颂
乔恩·D.·亨德里克斯
查尔斯·E.·塞伯格
何耀伦
艾兹法·因纳雅图拉
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.)
Apple Inc
Original Assignee
Freescale Semiconductor 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 Freescale Semiconductor Inc filed Critical Freescale Semiconductor Inc
Publication of CN1545772A publication Critical patent/CN1545772A/zh
Application granted granted Critical
Publication of CN100566206C publication Critical patent/CN100566206C/zh
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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    • 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)
CNB028163591A 2001-07-27 2002-06-28 一种产生合并信号的方法 Expired - Lifetime CN100566206C (zh)

Applications Claiming Priority (6)

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

Related Child Applications (1)

Application Number Title Priority Date Filing Date
CN200810210281.8A Division CN101340229B (zh) 2001-07-27 2002-06-28 分集接收机及其方法

Publications (2)

Publication Number Publication Date
CN1545772A CN1545772A (zh) 2004-11-10
CN100566206C true CN100566206C (zh) 2009-12-02

Family

ID=27420638

Family Applications (1)

Application Number Title Priority Date Filing Date
CNB028163591A Expired - Lifetime CN100566206C (zh) 2001-07-27 2002-06-28 一种产生合并信号的方法

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
JP2005522897A (ja) 2005-07-28
TW582141B (en) 2004-04-01
JP2008263627A (ja) 2008-10-30
EP1415414A1 (en) 2004-05-06
JP4275530B2 (ja) 2009-06-10
CN1545772A (zh) 2004-11-10
WO2003032523A1 (en) 2003-04-17
JP4865764B2 (ja) 2012-02-01

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Owner name: FISICAL SEMICONDUCTOR INC.

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Address after: Texas in the United States

Patentee after: FREESCALE SEMICONDUCTOR, Inc.

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Patentee after: APPLE Inc.

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Patentee before: FREESCALE SEMICONDUCTOR, Inc.

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Granted publication date: 20091202

CX01 Expiry of patent term