BRPI0508303A - método para estimar a interferência no canal piloto em um receptor w-cdma, receptor para uso no sistema de comunicação, sistema de comunicação w-cdma, e, dispositivo de comunicação - Google Patents

método para estimar a interferência no canal piloto em um receptor w-cdma, receptor para uso no sistema de comunicação, sistema de comunicação w-cdma, e, dispositivo de comunicação

Info

Publication number
BRPI0508303A
BRPI0508303A BRPI0508303-6A BRPI0508303A BRPI0508303A BR PI0508303 A BRPI0508303 A BR PI0508303A BR PI0508303 A BRPI0508303 A BR PI0508303A BR PI0508303 A BRPI0508303 A BR PI0508303A
Authority
BR
Brazil
Prior art keywords
receiver
cdma
communication system
channel
pilot channel
Prior art date
Application number
BRPI0508303-6A
Other languages
English (en)
Inventor
Marko Lampinen
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 BRPI0508303A publication Critical patent/BRPI0508303A/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
    • H04B1/7097—Interference-related aspects
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B17/00—Monitoring; Testing
    • H04B17/30—Monitoring; Testing of propagation channels
    • H04B17/309—Measuring or estimating channel quality parameters
    • H04B17/336—Signal-to-interference ratio [SIR] or carrier-to-interference ratio [CIR]
    • 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
    • H04B2001/70724—Spread spectrum techniques using direct sequence modulation featuring pilot assisted reception

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Quality & Reliability (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Radio Transmission System (AREA)

Abstract

MéTODO PARA ESTIMAR A INTERFERêNCIA NO CANAL PILOTO COMUM EM UM RECEPTOR W-CDMA, RECEPTOR PARA USO NO SISTEMA DE COMUNICAçãO, SISTEMA DE COMUNICAçãO W-CDMA, E, DISPOSITIVO DE COMUNICAçãO. Método e sistema para estimar a relação sinal-interferência mais ruido (SINR) do canal piloto comum (CPICH) no receptor W-CDMA. A estimação SINR é executada após a filtragem a nível de chip e então a dês-propagação do canal CPICH. No caso da diversidade de transmissão espacial-temporal, uma decodificação espacial-temporal virtual é usada no canal CPICH, de forma a imitar a transformação espacial-temporal do canal de dados. A SINR estimada pode ser usada para o equipamento do usuário reportar o seu indicador de qualidade de canal para o Nó B.
BRPI0508303-6A 2004-03-02 2005-02-24 método para estimar a interferência no canal piloto em um receptor w-cdma, receptor para uso no sistema de comunicação, sistema de comunicação w-cdma, e, dispositivo de comunicação BRPI0508303A (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US10/792,018 US20050195886A1 (en) 2004-03-02 2004-03-02 CPICH processing for SINR estimation in W-CDMA system
PCT/IB2005/000529 WO2005093961A1 (en) 2004-03-02 2005-02-24 Cpich processing for sinr estimation in w-cdma system

Publications (1)

Publication Number Publication Date
BRPI0508303A true BRPI0508303A (pt) 2007-07-17

Family

ID=34911750

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0508303-6A BRPI0508303A (pt) 2004-03-02 2005-02-24 método para estimar a interferência no canal piloto em um receptor w-cdma, receptor para uso no sistema de comunicação, sistema de comunicação w-cdma, e, dispositivo de comunicação

Country Status (8)

Country Link
US (1) US20050195886A1 (pt)
EP (1) EP1721391A1 (pt)
JP (1) JP2007526709A (pt)
KR (1) KR20060114717A (pt)
CN (1) CN1926779A (pt)
BR (1) BRPI0508303A (pt)
RU (1) RU2006134654A (pt)
WO (1) WO2005093961A1 (pt)

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US8064556B2 (en) * 2005-09-15 2011-11-22 Qualcomm Incorporated Fractionally-spaced equalizers for spread spectrum wireless communication
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US9088384B2 (en) 2005-10-27 2015-07-21 Qualcomm Incorporated Pilot symbol transmission in wireless communication systems
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US8693405B2 (en) 2005-10-27 2014-04-08 Qualcomm Incorporated SDMA resource management
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US9225488B2 (en) 2005-10-27 2015-12-29 Qualcomm Incorporated Shared signaling channel
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US9172453B2 (en) 2005-10-27 2015-10-27 Qualcomm Incorporated Method and apparatus for pre-coding frequency division duplexing system
US9144060B2 (en) 2005-10-27 2015-09-22 Qualcomm Incorporated Resource allocation for shared signaling channels
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US8582548B2 (en) 2005-11-18 2013-11-12 Qualcomm Incorporated Frequency division multiple access schemes for wireless communication
US8107549B2 (en) 2005-11-30 2012-01-31 Qualcomm, Incorporated Multi-stage receiver for wireless communication
US8831607B2 (en) 2006-01-05 2014-09-09 Qualcomm Incorporated Reverse link other sector communication
US10020858B2 (en) 2006-03-03 2018-07-10 Nec Corporation Multi-input multi-output communication system, transmitter, and method of assigning resources therein
WO2008028321A1 (en) * 2006-08-25 2008-03-13 Telefonaktiebolaget L M Ericsson (Publ) Method and system of communications
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US7738535B2 (en) * 2007-05-22 2010-06-15 Telefonaktiebolaget Lm Ericsson (Publ) Method and apparatus for removing pilot channel amplitude dependencies from RAKE receiver output
CN101335551B (zh) * 2007-06-28 2012-02-01 上海无线通信研究中心 基于dft-s-gmc系统多天线分集方案的sinr估计方法
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Also Published As

Publication number Publication date
EP1721391A1 (en) 2006-11-15
US20050195886A1 (en) 2005-09-08
CN1926779A (zh) 2007-03-07
WO2005093961A1 (en) 2005-10-06
KR20060114717A (ko) 2006-11-07
JP2007526709A (ja) 2007-09-13
RU2006134654A (ru) 2008-04-10

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Legal Events

Date Code Title Description
B11A Dismissal acc. art.33 of ipl - examination not requested within 36 months of filing
B11Y Definitive dismissal - extension of time limit for request of examination expired [chapter 11.1.1 patent gazette]