TW200635252A - Method and detector for a novel channel quality indicator for space-time encoded MIMO spread spectrum systems in frequency selective channels - Google Patents

Method and detector for a novel channel quality indicator for space-time encoded MIMO spread spectrum systems in frequency selective channels

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Publication number
TW200635252A
TW200635252A TW094123984A TW94123984A TW200635252A TW 200635252 A TW200635252 A TW 200635252A TW 094123984 A TW094123984 A TW 094123984A TW 94123984 A TW94123984 A TW 94123984A TW 200635252 A TW200635252 A TW 200635252A
Authority
TW
Taiwan
Prior art keywords
cqi
channel
spread spectrum
quality indicator
channel quality
Prior art date
Application number
TW094123984A
Other languages
English (en)
Inventor
Jian-Zhong Zhang
Balaji Raghothaman
Yan Wang
Giridhar Mandyam
Original Assignee
Nokia 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 Nokia Corp filed Critical Nokia Corp
Publication of TW200635252A publication Critical patent/TW200635252A/zh

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Classifications

    • 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
    • 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
    • H04L1/0637—Properties of the code
    • H04L1/0656—Cyclotomic systems, e.g. Bell Labs Layered Space-Time [BLAST]
    • 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
    • H04B1/7105—Joint detection techniques, e.g. linear detectors
    • 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
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/20—Arrangements for detecting or preventing errors in the information received using signal quality detector
    • 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
    • H04B1/7105—Joint detection techniques, e.g. linear detectors
    • H04B1/71055—Joint detection techniques, e.g. linear detectors using minimum mean squared error [MMSE] detector
    • 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
    • H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • H04L1/0023—Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the signalling
    • H04L1/0026—Transmission of channel quality indication
    • 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
    • H04L2025/0335—Arrangements for removing intersymbol interference characterised by the type of transmission
    • H04L2025/03426—Arrangements for removing intersymbol interference characterised by the type of transmission transmission using multiple-input and multiple-output channels
    • 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
    • H04L2025/03611—Iterative algorithms
    • H04L2025/03617—Time recursive algorithms

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Quality & Reliability (AREA)
  • Radio Transmission System (AREA)
  • Detection And Prevention Of Errors In Transmission (AREA)
  • Mobile Radio Communication Systems (AREA)
TW094123984A 2004-07-15 2005-07-15 Method and detector for a novel channel quality indicator for space-time encoded MIMO spread spectrum systems in frequency selective channels TW200635252A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US10/892,833 US7606319B2 (en) 2004-07-15 2004-07-15 Method and detector for a novel channel quality indicator for space-time encoded MIMO spread spectrum systems in frequency selective channels

Publications (1)

Publication Number Publication Date
TW200635252A true TW200635252A (en) 2006-10-01

Family

ID=35599394

Family Applications (1)

Application Number Title Priority Date Filing Date
TW094123984A TW200635252A (en) 2004-07-15 2005-07-15 Method and detector for a novel channel quality indicator for space-time encoded MIMO spread spectrum systems in frequency selective channels

Country Status (8)

Country Link
US (1) US7606319B2 (zh)
EP (1) EP1766831A4 (zh)
JP (1) JP4686543B2 (zh)
KR (1) KR100889883B1 (zh)
CN (1) CN101032108B (zh)
AU (1) AU2005264046A1 (zh)
TW (1) TW200635252A (zh)
WO (1) WO2006008622A1 (zh)

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Also Published As

Publication number Publication date
US20060013328A1 (en) 2006-01-19
EP1766831A4 (en) 2012-10-31
WO2006008622A1 (en) 2006-01-26
CN101032108A (zh) 2007-09-05
JP2008507175A (ja) 2008-03-06
CN101032108B (zh) 2012-02-29
EP1766831A1 (en) 2007-03-28
KR100889883B1 (ko) 2009-03-24
WO2006008622B1 (en) 2006-06-08
KR20070038150A (ko) 2007-04-09
JP4686543B2 (ja) 2011-05-25
US7606319B2 (en) 2009-10-20
AU2005264046A1 (en) 2006-01-26

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