BR0009924A - Método e equipamento para o processamento de um canal piloto perfurado - Google Patents

Método e equipamento para o processamento de um canal piloto perfurado

Info

Publication number
BR0009924A
BR0009924A BR0009924-4A BR0009924A BR0009924A BR 0009924 A BR0009924 A BR 0009924A BR 0009924 A BR0009924 A BR 0009924A BR 0009924 A BR0009924 A BR 0009924A
Authority
BR
Brazil
Prior art keywords
pilot channel
symbols
sign
information
punctured
Prior art date
Application number
BR0009924-4A
Other languages
English (en)
Inventor
Luca Blessent
Quaeed Motiwala
Original Assignee
Qualcomm 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
Application filed by Qualcomm Inc filed Critical Qualcomm Inc
Publication of BR0009924A publication Critical patent/BR0009924A/pt

Links

Classifications

    • 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
    • H04B1/709—Correlator structure
    • H04B1/7093—Matched filter type
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/04—TPC
    • H04W52/18—TPC being performed according to specific parameters
    • H04W52/20—TPC being performed according to specific parameters using error rate
    • 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
    • H04B1/7113—Determination of path profile
    • 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
    • H04L27/00—Modulated-carrier systems
    • H04L27/0014—Carrier regulation
    • H04L2027/0044—Control loops for carrier regulation
    • H04L2027/0046—Open loops
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/0014—Carrier regulation
    • H04L2027/0044—Control loops for carrier regulation
    • H04L2027/0063—Elements of loops
    • H04L2027/0065—Frequency error detectors
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/0014—Carrier regulation
    • H04L2027/0083—Signalling arrangements
    • H04L2027/0089—In-band signals
    • H04L2027/0093—Intermittant signals
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/04—TPC
    • H04W52/06—TPC algorithms
    • H04W52/14—Separate analysis of uplink or downlink
    • H04W52/143—Downlink power control

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Stereo-Broadcasting Methods (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Channel Selection Circuits, Automatic Tuning Circuits (AREA)
  • Circuits Of Receivers In General (AREA)
  • Management Or Editing Of Information On Record Carriers (AREA)
  • Editing Of Facsimile Originals (AREA)
  • Monitoring And Testing Of Transmission In General (AREA)

Abstract

"MéTODO E EQUIPAMENTO PARA O PROCESSAMENTO DE UM CANAL PILOTO PERFURADO". O canal piloto perfurado compreende símbolos de informações de sinal incerto puncionados (punctured) em uma seq³ência de símbolos de canal piloto de sinal predeterminado. O equipamento inclui um circuito de demodulação de sinal de informações para determinar o sinal dos símbolos de informações em resposta aos símbolos de canal piloto. Um gerador de piloto contínuo (336) gera um canal piloto não puncionado de sinal predeterminado a partir dos símbolos de informações e dos símbolos de canal piloto. Em uma primeira modalidade, o demodulador de sinal de informações compreende também um circuito de produto pontual (dot product) dos símbolos de canal piloto e dos símbolos de informações puncionados e um comparador de limite para comparar o produto pontual a um limite predeterminado.
BR0009924-4A 1999-04-23 2000-04-21 Método e equipamento para o processamento de um canal piloto perfurado BR0009924A (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/298,394 US6304563B1 (en) 1999-04-23 1999-04-23 Method and apparatus for processing a punctured pilot channel
PCT/US2000/010855 WO2000065749A1 (en) 1999-04-23 2000-04-21 Method and apparatus for processing a punctured pilot channel

Publications (1)

Publication Number Publication Date
BR0009924A true BR0009924A (pt) 2002-12-31

Family

ID=23150316

Family Applications (1)

Application Number Title Priority Date Filing Date
BR0009924-4A BR0009924A (pt) 1999-04-23 2000-04-21 Método e equipamento para o processamento de um canal piloto perfurado

Country Status (12)

Country Link
US (2) US6304563B1 (pt)
EP (1) EP1186116B1 (pt)
JP (1) JP4510302B2 (pt)
KR (2) KR100871353B1 (pt)
CN (1) CN1172455C (pt)
AT (1) ATE282909T1 (pt)
AU (1) AU4482500A (pt)
BR (1) BR0009924A (pt)
DE (1) DE60015969T2 (pt)
HK (1) HK1043889B (pt)
TW (1) TW499801B (pt)
WO (1) WO2000065749A1 (pt)

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Also Published As

Publication number Publication date
KR100871353B1 (ko) 2008-12-02
WO2000065749A1 (en) 2000-11-02
KR20010109358A (ko) 2001-12-08
EP1186116A1 (en) 2002-03-13
DE60015969T2 (de) 2005-11-10
HK1043889B (zh) 2005-05-13
JP2002543664A (ja) 2002-12-17
TW499801B (en) 2002-08-21
KR20070033478A (ko) 2007-03-26
CN1172455C (zh) 2004-10-20
US7471657B2 (en) 2008-12-30
DE60015969D1 (de) 2004-12-23
HK1043889A1 (en) 2002-09-27
ATE282909T1 (de) 2004-12-15
JP4510302B2 (ja) 2010-07-21
US20020009064A1 (en) 2002-01-24
KR100868402B1 (ko) 2008-11-11
CN1348640A (zh) 2002-05-08
AU4482500A (en) 2000-11-10
EP1186116B1 (en) 2004-11-17
US6304563B1 (en) 2001-10-16

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Legal Events

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B08F Application dismissed because of non-payment of annual fees [chapter 8.6 patent gazette]

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B08K Patent lapsed as no evidence of payment of the annual fee has been furnished to inpi [chapter 8.11 patent gazette]

Free format text: REFERENTE AO DESPACHO 8.6 PUBLICADO NA RPI 2156 DE 02/05/2012.