ATE465583T1 - Verfahren und vorrichtung zur signaldemodulation - Google Patents

Verfahren und vorrichtung zur signaldemodulation

Info

Publication number
ATE465583T1
ATE465583T1 AT04756710T AT04756710T ATE465583T1 AT E465583 T1 ATE465583 T1 AT E465583T1 AT 04756710 T AT04756710 T AT 04756710T AT 04756710 T AT04756710 T AT 04756710T AT E465583 T1 ATE465583 T1 AT E465583T1
Authority
AT
Austria
Prior art keywords
amplitude
received
signal
data signal
data
Prior art date
Application number
AT04756710T
Other languages
English (en)
Inventor
Yi-Pin Eric Wang
Original Assignee
Ericsson Telefon Ab L M
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 Telefon Ab L M filed Critical Ericsson Telefon Ab L M
Application granted granted Critical
Publication of ATE465583T1 publication Critical patent/ATE465583T1/de

Links

Classifications

    • 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
    • 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
    • H04B1/7097—Interference-related aspects
    • H04B1/711—Interference-related aspects the interference being multi-path interference
    • H04B1/7115—Constructive combining of multi-path signals, i.e. RAKE receivers
    • H04B1/712—Weighting of fingers for combining, e.g. amplitude control or phase rotation using an inner loop
    • 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
    • H04L25/0202—Channel estimation
    • H04L25/0224—Channel estimation using sounding signals
    • H04L25/0226—Channel estimation using sounding signals sounding signals per se
    • 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
    • H04L27/3809—Amplitude regulation arrangements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B2201/00—Indexing scheme relating to details of transmission systems not covered by a single group of H04B3/00 - H04B13/00
    • H04B2201/69—Orthogonal indexing scheme relating to spread spectrum techniques in general
    • H04B2201/707—Orthogonal indexing scheme relating to spread spectrum techniques in general relating to direct sequence modulation
    • H04B2201/7097—Direct sequence modulation interference
    • H04B2201/709727—GRAKE type RAKE receivers

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Power Engineering (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Circuits Of Receivers In General (AREA)
  • Radar Systems Or Details Thereof (AREA)
AT04756710T 2003-09-26 2004-07-06 Verfahren und vorrichtung zur signaldemodulation ATE465583T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US10/672,492 US7269205B2 (en) 2003-09-26 2003-09-26 Method and apparatus for signal demodulation
PCT/US2004/021686 WO2005036849A1 (en) 2003-09-26 2004-07-06 Method and apparatus for signal demodulation

Publications (1)

Publication Number Publication Date
ATE465583T1 true ATE465583T1 (de) 2010-05-15

Family

ID=34435349

Family Applications (1)

Application Number Title Priority Date Filing Date
AT04756710T ATE465583T1 (de) 2003-09-26 2004-07-06 Verfahren und vorrichtung zur signaldemodulation

Country Status (7)

Country Link
US (1) US7269205B2 (de)
EP (1) EP1671462B1 (de)
KR (1) KR101063046B1 (de)
CN (1) CN101027886B (de)
AT (1) ATE465583T1 (de)
DE (1) DE602004026754D1 (de)
WO (1) WO2005036849A1 (de)

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US7269205B2 (en) 2003-09-26 2007-09-11 Telefonaktiebolaget Lm Ericsson (Publ) Method and apparatus for signal demodulation
US7668226B2 (en) * 2005-02-23 2010-02-23 Telefonaktiebolaget Lm Ericsson (Publ) Method and apparatus for estimating gain offsets for amplitude-modulated communication signals
US7389099B2 (en) 2005-04-22 2008-06-17 Telefonaktiebolaget L M Ericsson (Publ) Method and apparatus for canceling interference from high power, high data rate signals
US7486716B2 (en) * 2005-06-22 2009-02-03 Telefonaktiebolaget Lm Ericsson (Publ) Method and apparatus for using chip sample correlations in one or more received signal processing operations
US7590167B2 (en) * 2005-08-30 2009-09-15 Telefonaktiebolaget Lm Ericsson (Publ) Method and apparatus for QAM demodulation in a generalized rake receiver
US7609754B2 (en) * 2005-08-30 2009-10-27 Telefonaktiebolaget Lm Ericsson (Publ) Method and apparatus for received communication signal processing
US7933314B2 (en) * 2006-06-22 2011-04-26 Telefonaktiebolaget Lm Ericsson (Publ) Method and apparatus for communication receiver despreading resource management
US8126098B2 (en) * 2006-09-12 2012-02-28 Marvell World Trade Ltd. Multi-rake receiver
US8358987B2 (en) * 2006-09-28 2013-01-22 Mediatek Inc. Re-quantization in downlink receiver bit rate processor
KR100969781B1 (ko) * 2007-01-31 2010-07-13 삼성전자주식회사 통신 시스템에서 가중치 계수 결정 방법 및 장치
US8467476B2 (en) * 2007-09-17 2013-06-18 Mediatek Inc. Scaling apparatus of a receiver
CN103259751B (zh) 2007-12-19 2016-04-20 福尔肯纳米有限公司 用于提高通信速度、频谱效率并实现其他益处的边带抑制通信系统和方法
US8149929B2 (en) * 2008-06-17 2012-04-03 Telefonaktiebolaget L M Ericsson (Publ) Receiver and method for processing radio signals using soft pilot symbols
US20090316674A1 (en) * 2008-06-18 2009-12-24 Yi-Pin Eric Wang Method and apparatus for demodulation of qam signal using symbol-specific amplitude reference estimation
CN102111860B (zh) * 2009-12-25 2013-08-14 电信科学技术研究院 一种信道的功率控制方法及设备
US9161321B2 (en) * 2010-09-20 2015-10-13 Mediatek Inc. Method and apparatus providing signal metric for transmitter
CN103348601B (zh) * 2011-02-01 2015-09-30 瑞典爱立信有限公司 无线接收机的配置
JP2013115542A (ja) * 2011-11-28 2013-06-10 Toshiba Corp スケーリング決定装置及び方法
US10037522B2 (en) * 2012-01-17 2018-07-31 Raytheon Bbn Technologies Corp. Near-field communication (NFC) system and method for private near-field communication
US9661508B2 (en) * 2012-05-14 2017-05-23 Telefonaktiebolaget L M Ericsson (Publ) Methods and apparatus for determining a signal estimate by scaling
US8548097B1 (en) 2012-06-20 2013-10-01 MagnaCom Ltd. Coarse phase estimation for highly-spectrally-efficient communications
CN104769875B (zh) 2012-06-20 2018-07-06 安华高科技通用Ip(新加坡)公司 采用正交频分复用的高频谱效率传输
US8982984B2 (en) * 2012-06-20 2015-03-17 MagnaCom Ltd. Dynamic filter adjustment for highly-spectrally-efficient communications
US8781008B2 (en) 2012-06-20 2014-07-15 MagnaCom Ltd. Highly-spectrally-efficient transmission using orthogonal frequency division multiplexing
US8811548B2 (en) 2012-11-14 2014-08-19 MagnaCom, Ltd. Hypotheses generation based on multidimensional slicing
US9088400B2 (en) 2012-11-14 2015-07-21 MagnaCom Ltd. Hypotheses generation based on multidimensional slicing
CN107566089B (zh) * 2013-01-11 2020-08-21 太阳专利托管公司 发送装置、发送方法、接收装置及接收方法
US9118519B2 (en) 2013-11-01 2015-08-25 MagnaCom Ltd. Reception of inter-symbol-correlated signals using symbol-by-symbol soft-output demodulator
US8804879B1 (en) 2013-11-13 2014-08-12 MagnaCom Ltd. Hypotheses generation based on multidimensional slicing
US9130637B2 (en) 2014-01-21 2015-09-08 MagnaCom Ltd. Communication methods and systems for nonlinear multi-user environments
US9496900B2 (en) 2014-05-06 2016-11-15 MagnaCom Ltd. Signal acquisition in a multimode environment
US8891701B1 (en) 2014-06-06 2014-11-18 MagnaCom Ltd. Nonlinearity compensation for reception of OFDM signals
US9246523B1 (en) 2014-08-27 2016-01-26 MagnaCom Ltd. Transmitter signal shaping
US9276619B1 (en) 2014-12-08 2016-03-01 MagnaCom Ltd. Dynamic configuration of modulation and demodulation
US9191247B1 (en) 2014-12-09 2015-11-17 MagnaCom Ltd. High-performance sequence estimation system and method of operation
CN110505359B (zh) * 2018-05-18 2020-10-23 中国科学院上海高等研究院 无线广播通信系统中非均匀调制解调方法、系统、介质及终端

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US5381450A (en) 1993-08-20 1995-01-10 Hitachi America, Ltd. Technique for automatically detecting the constellation size of a quadrature amplitude modulated (QAM) signal
US5506861A (en) * 1993-11-22 1996-04-09 Ericsson Ge Mobile Comminications Inc. System and method for joint demodulation of CDMA signals
US6108375A (en) 1997-07-15 2000-08-22 Lucent Technologies Inc. Equalization circuit for unknown QAM constellation size
JP3522651B2 (ja) 2000-05-19 2004-04-26 松下電器産業株式会社 通信端末装置及び復調方法
AU2001268155A1 (en) 2000-06-02 2001-12-17 Connectcom Microsystems, Inc. High frequency network receiver
US6952561B1 (en) * 2000-08-31 2005-10-04 Lucent Technologies Inc. Enhanced metric for bit detection on fading channels with unknown statistics
WO2003075528A1 (en) * 2002-03-07 2003-09-12 Telefonaktiebolaget L M Ericsson (Publ) Soft value calculation for multilevel signals
WO2004049661A1 (en) * 2002-11-22 2004-06-10 Telefonaktiebolaget Lm Ericsson (Publ) Calculation of soft decision values using reliability information of the amplitude
US7555067B2 (en) * 2003-03-13 2009-06-30 Texas Instruments Incorporated Method and apparatus for decoder input scaling based on interference estimation in CDMA
US7269205B2 (en) 2003-09-26 2007-09-11 Telefonaktiebolaget Lm Ericsson (Publ) Method and apparatus for signal demodulation

Also Published As

Publication number Publication date
CN101027886A (zh) 2007-08-29
US20050163199A1 (en) 2005-07-28
EP1671462A1 (de) 2006-06-21
KR101063046B1 (ko) 2011-09-07
KR20060097716A (ko) 2006-09-14
CN101027886B (zh) 2012-01-11
WO2005036849A1 (en) 2005-04-21
EP1671462B1 (de) 2010-04-21
DE602004026754D1 (de) 2010-06-02
US7269205B2 (en) 2007-09-11

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