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TWI333768B - Method and apparatus for parallel midamble cancellation - Google Patents

Method and apparatus for parallel midamble cancellation Download PDF

Info

Publication number
TWI333768B
TWI333768B TW095116137A TW95116137A TWI333768B TW I333768 B TWI333768 B TW I333768B TW 095116137 A TW095116137 A TW 095116137A TW 95116137 A TW95116137 A TW 95116137A TW I333768 B TWI333768 B TW I333768B
Authority
TW
Taiwan
Prior art keywords
midamble cancellation
parallel
parallel midamble
cancellation
midamble
Prior art date
Application number
TW095116137A
Other languages
English (en)
Inventor
Buchert Ryan
Nasuti Tonino
S Timmerman Chayil
Original Assignee
Interdigital Tech Corp
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 Interdigital Tech Corp filed Critical Interdigital Tech Corp
Application granted granted Critical
Publication of TWI333768B publication Critical patent/TWI333768B/zh

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D1/00—Demodulation of amplitude-modulated oscillations
    • H03D1/02—Details
    • H03D1/04—Modifications of demodulators to reduce interference by undesired signals
    • 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
    • H04B1/7103—Interference-related aspects the interference being multiple access interference
    • H04B1/7107—Subtractive interference cancellation
    • H04B1/71075—Parallel interference cancellation
    • 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
    • H04L25/03012—Arrangements for removing intersymbol interference operating in the time domain
    • 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
    • H04B2201/70701—Orthogonal indexing scheme relating to spread spectrum techniques in general relating to direct sequence modulation featuring pilot assisted reception
    • 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
    • H04L2025/03592—Adaptation methods
    • H04L2025/03598—Algorithms
    • H04L2025/03605—Block algorithms
    • 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
    • H04L2025/03777—Arrangements for removing intersymbol interference characterised by the signalling
    • H04L2025/03783—Details of reference signals
    • H04L2025/03796—Location of reference signals

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Power Engineering (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Noise Elimination (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
TW095116137A 2002-05-09 2003-05-05 Method and apparatus for parallel midamble cancellation TWI333768B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US37919602P 2002-05-09 2002-05-09
US10/335,359 US7428278B2 (en) 2002-05-09 2002-12-31 Method and apparatus for parallel midamble cancellation

Publications (1)

Publication Number Publication Date
TWI333768B true TWI333768B (en) 2010-11-21

Family

ID=29406581

Family Applications (4)

Application Number Title Priority Date Filing Date
TW092112254A TWI275263B (en) 2002-05-09 2003-05-05 Method and apparatus for parallel midamble cancellation
TW096105149A TW200803330A (en) 2002-05-09 2003-05-05 Method and apparatus for parallel midamble cancellation
TW095116137A TWI333768B (en) 2002-05-09 2003-05-05 Method and apparatus for parallel midamble cancellation
TW093103245A TWI277878B (en) 2002-05-09 2004-02-11 Method and apparatus for parallel midamble cancellation

Family Applications Before (2)

Application Number Title Priority Date Filing Date
TW092112254A TWI275263B (en) 2002-05-09 2003-05-05 Method and apparatus for parallel midamble cancellation
TW096105149A TW200803330A (en) 2002-05-09 2003-05-05 Method and apparatus for parallel midamble cancellation

Family Applications After (1)

Application Number Title Priority Date Filing Date
TW093103245A TWI277878B (en) 2002-05-09 2004-02-11 Method and apparatus for parallel midamble cancellation

Country Status (11)

Country Link
US (3) US7428278B2 (zh)
EP (1) EP1512218A4 (zh)
JP (1) JP4515252B2 (zh)
KR (3) KR100897842B1 (zh)
CN (1) CN100459412C (zh)
AU (1) AU2003234331A1 (zh)
CA (1) CA2485575A1 (zh)
MX (1) MXPA04011096A (zh)
NO (1) NO20045368L (zh)
TW (4) TWI275263B (zh)
WO (1) WO2003096589A2 (zh)

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US7260056B2 (en) * 2002-05-29 2007-08-21 Interdigital Technology Corporation Channel estimation in a wireless communication system
GB2412036A (en) * 2004-03-08 2005-09-14 Ipwireless Inc Mitigation of intercell and intracell interference in a cellular communication system
US7684378B2 (en) * 2004-11-08 2010-03-23 Interdigital Technology Corporation Method and apparatus for estimating channelization codes in a wireless transmit/receive unit
US7756196B1 (en) * 2005-04-04 2010-07-13 Acorn Technologies, Inc. Efficient adaptive filters for CDMA wireless systems
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US9014152B2 (en) 2008-06-09 2015-04-21 Qualcomm Incorporated Increasing capacity in wireless communications
US8611305B2 (en) 2005-08-22 2013-12-17 Qualcomm Incorporated Interference cancellation for wireless communications
US9071344B2 (en) 2005-08-22 2015-06-30 Qualcomm Incorporated Reverse link interference cancellation
US7768990B1 (en) * 2006-02-09 2010-08-03 L3 Communications Corporation Multi-user receiver and method for successive acquisition
CN101052025B (zh) * 2006-04-03 2011-06-15 世意法（北京）半导体研发有限责任公司 消除训练序列干扰的方法和基于均衡器的接收器
US9277487B2 (en) 2008-08-01 2016-03-01 Qualcomm Incorporated Cell detection with interference cancellation
US9237515B2 (en) 2008-08-01 2016-01-12 Qualcomm Incorporated Successive detection and cancellation for cell pilot detection
US9160577B2 (en) 2009-04-30 2015-10-13 Qualcomm Incorporated Hybrid SAIC receiver
US8175630B2 (en) * 2009-07-10 2012-05-08 Telefonaktiebolaget L M Ericsson (Publ) Method of closed loop power control adjusted by self-interference
KR101376676B1 (ko) 2009-11-27 2014-03-20 퀄컴 인코포레이티드 무선 통신들에서의 용량 증가
US9673837B2 (en) 2009-11-27 2017-06-06 Qualcomm Incorporated Increasing capacity in wireless communications
CN102215082B (zh) * 2010-04-08 2014-04-16 鼎桥通信技术有限公司 一种训练序列偏移的分配方法和装置
US20120069753A1 (en) * 2010-07-08 2012-03-22 Qualcomm Incorporated Channel estimation based on midamble
CN112333482B (zh) * 2019-08-05 2023-01-06 广州虎牙科技有限公司 一种列表的处理方法、装置、设备和存储介质

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Also Published As

Publication number Publication date
TW200803330A (en) 2008-01-01
US7773704B2 (en) 2010-08-10
US20090316843A1 (en) 2009-12-24
CN1656669A (zh) 2005-08-17
US20030210754A1 (en) 2003-11-13
EP1512218A2 (en) 2005-03-09
EP1512218A4 (en) 2010-04-28
JP2006508560A (ja) 2006-03-09
KR100897842B1 (ko) 2009-05-15
CN100459412C (zh) 2009-02-04
WO2003096589A2 (en) 2003-11-20
KR20050006244A (ko) 2005-01-15
US7751512B2 (en) 2010-07-06
US20080285692A1 (en) 2008-11-20
TWI277878B (en) 2007-04-01
US7428278B2 (en) 2008-09-23
KR100926493B1 (ko) 2009-11-12
TW200428229A (en) 2004-12-16
AU2003234331A1 (en) 2003-11-11
WO2003096589A3 (en) 2004-04-01
MXPA04011096A (es) 2005-02-14
CA2485575A1 (en) 2003-11-20
AU2003234331A8 (en) 2003-11-11
NO20045368L (no) 2005-02-04
TW200308153A (en) 2003-12-16
KR100601820B1 (ko) 2006-07-19
JP4515252B2 (ja) 2010-07-28
KR20050097552A (ko) 2005-10-07
TWI275263B (en) 2007-03-01
KR20080104373A (ko) 2008-12-02

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MM4A Annulment or lapse of patent due to non-payment of fees