BR0116159A - Método e equipamento para designação de códigos em um sistema de comunicação sem fio com espalhamento espectral - Google Patents

Método e equipamento para designação de códigos em um sistema de comunicação sem fio com espalhamento espectral

Info

Publication number
BR0116159A
BR0116159A BR0116159-8A BR0116159A BR0116159A BR 0116159 A BR0116159 A BR 0116159A BR 0116159 A BR0116159 A BR 0116159A BR 0116159 A BR0116159 A BR 0116159A
Authority
BR
Brazil
Prior art keywords
wireless communication
equipment
communication system
code
interference
Prior art date
Application number
BR0116159-8A
Other languages
English (en)
Inventor
Yongbin Wei
Peter J Black
Edward G Tiedemann Jr
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 BR0116159A publication Critical patent/BR0116159A/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
    • H04J—MULTIPLEX COMMUNICATION
    • H04J13/00—Code division multiplex systems
    • H04J13/16—Code allocation
    • H04J13/18—Allocation of orthogonal codes
    • 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
    • H04B2201/709709—Methods of preventing interference

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Radio Relay Systems (AREA)

Abstract

"MéTODO E EQUIPAMENTO PARA DESIGNAçãO DE CóDIGOS EM UM SISTEMA DE COMUNICAçãO SEM FIO COM ESPALHAMENTO ESPECTRAL". Trata-se de um método e de um equipamento para designações de códigos em um sistema de comunicação sem fio com espalhamento espectral que incorpora um protocolo de Acesso Múltiplo por Divisão de Código-Sincronizado em área Grande (LAS-CDMA). O método determina um conjunto de códigos LS com base em um tamanho de janela livre de interferência. Uma estrutura arborescente provê a correspondência entre o tamanho da janela livre de interferência e o conjunto de códigos LS. São formados subconjuntos dos códigos LS que têm correlação cruzada nula dentro da janela livre de interferência. Os subconjuntos são designados a células vizinhas no sistema, de modo a se reduzir a interferência entre vizinhos. Em uma modalidade, um controlador determina os subconjuntos e faz as designações a células dentro do sistema.
BR0116159-8A 2000-12-15 2001-12-13 Método e equipamento para designação de códigos em um sistema de comunicação sem fio com espalhamento espectral BR0116159A (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/737,893 US6714526B2 (en) 2000-12-15 2000-12-15 Method and apparatus for code assignment in a spread spectrum wireless communication system
PCT/US2001/047760 WO2002049231A2 (en) 2000-12-15 2001-12-13 Method and apparatus for code assignment in a spread spectrum wireless communication system

Publications (1)

Publication Number Publication Date
BR0116159A true BR0116159A (pt) 2005-06-28

Family

ID=24965724

Family Applications (1)

Application Number Title Priority Date Filing Date
BR0116159-8A BR0116159A (pt) 2000-12-15 2001-12-13 Método e equipamento para designação de códigos em um sistema de comunicação sem fio com espalhamento espectral

Country Status (14)

Country Link
US (2) US6714526B2 (pt)
EP (1) EP1342324A2 (pt)
JP (2) JP4142437B2 (pt)
KR (1) KR100910995B1 (pt)
CN (1) CN100382446C (pt)
AU (1) AU2002230739A1 (pt)
BR (1) BR0116159A (pt)
CA (1) CA2431390A1 (pt)
HK (1) HK1062089A1 (pt)
IL (1) IL155969A0 (pt)
MX (1) MXPA03005305A (pt)
NO (1) NO20032631L (pt)
TW (1) TW548996B (pt)
WO (1) WO2002049231A2 (pt)

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Also Published As

Publication number Publication date
KR100910995B1 (ko) 2009-08-05
US20040114550A1 (en) 2004-06-17
KR20030059341A (ko) 2003-07-07
JP4142437B2 (ja) 2008-09-03
WO2002049231A3 (en) 2003-02-06
NO20032631L (no) 2003-08-15
IL155969A0 (en) 2003-12-23
JP2008228288A (ja) 2008-09-25
US20020110102A1 (en) 2002-08-15
JP2004516705A (ja) 2004-06-03
EP1342324A2 (en) 2003-09-10
US7620005B2 (en) 2009-11-17
US6714526B2 (en) 2004-03-30
WO2002049231A2 (en) 2002-06-20
CN1488198A (zh) 2004-04-07
NO20032631D0 (no) 2003-06-11
HK1062089A1 (en) 2004-10-15
AU2002230739A1 (en) 2002-06-24
TW548996B (en) 2003-08-21
CA2431390A1 (en) 2002-06-20
CN100382446C (zh) 2008-04-16
MXPA03005305A (es) 2004-04-21

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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 2144 DE 07/02/2012.