BR9812033B1 - processo para transmissão de código de sincronização, sistema de comunicação de acesso múltiplo por divisão de código, transmissor de estação base, e, receptor de estação móvel. - Google Patents

processo para transmissão de código de sincronização, sistema de comunicação de acesso múltiplo por divisão de código, transmissor de estação base, e, receptor de estação móvel.

Info

Publication number
BR9812033B1
BR9812033B1 BRPI9812033-6A BR9812033A BR9812033B1 BR 9812033 B1 BR9812033 B1 BR 9812033B1 BR 9812033 A BR9812033 A BR 9812033A BR 9812033 B1 BR9812033 B1 BR 9812033B1
Authority
BR
Brazil
Prior art keywords
communication system
multiple access
division multiple
base station
access communication
Prior art date
Application number
BRPI9812033-6A
Other languages
English (en)
Other versions
BR9812033A (pt
Inventor
Karim Jamal
Riaz Esmailzadeh
Yi Pin Eric Wang
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=25444961&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=BR9812033(B1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed filed Critical
Publication of BR9812033A publication Critical patent/BR9812033A/pt
Publication of BR9812033B1 publication Critical patent/BR9812033B1/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
    • H04B1/7073—Synchronisation aspects
    • H04B1/7075—Synchronisation aspects with code phase acquisition
    • 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
    • H04B1/7073—Synchronisation aspects
    • H04B1/7075—Synchronisation aspects with code phase acquisition
    • H04B1/70751—Synchronisation aspects with code phase acquisition using partial detection
    • H04B1/70752—Partial correlation
    • 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
    • H04B1/7073—Synchronisation aspects
    • H04B1/70735—Code identification
    • 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
    • H04B1/7073—Synchronisation aspects
    • H04B1/7083—Cell search, e.g. using a three-step approach
    • 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
BRPI9812033-6A 1997-08-29 1998-08-28 processo para transmissão de código de sincronização, sistema de comunicação de acesso múltiplo por divisão de código, transmissor de estação base, e, receptor de estação móvel. BR9812033B1 (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/921,135 US5930366A (en) 1997-08-29 1997-08-29 Synchronization to a base station and code acquisition within a spread spectrum communication system
PCT/SE1998/001537 WO1999012273A1 (en) 1997-08-29 1998-08-28 Synchronization to a base station and code acquisition within a spread spectrum communications system

Publications (2)

Publication Number Publication Date
BR9812033A BR9812033A (pt) 2000-09-26
BR9812033B1 true BR9812033B1 (pt) 2011-11-29

Family

ID=25444961

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI9812033-6A BR9812033B1 (pt) 1997-08-29 1998-08-28 processo para transmissão de código de sincronização, sistema de comunicação de acesso múltiplo por divisão de código, transmissor de estação base, e, receptor de estação móvel.

Country Status (15)

Country Link
US (1) US5930366A (pt)
EP (1) EP1010256B1 (pt)
JP (2) JP2001515294A (pt)
KR (1) KR100378738B1 (pt)
CN (1) CN1136668C (pt)
AR (1) AR013951A1 (pt)
AU (1) AU755211B2 (pt)
BR (1) BR9812033B1 (pt)
CA (1) CA2300156C (pt)
DE (1) DE69819176T2 (pt)
MY (1) MY116274A (pt)
RU (1) RU2211531C2 (pt)
TW (1) TW391101B (pt)
WO (1) WO1999012273A1 (pt)
ZA (1) ZA987254B (pt)

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DE69819176D1 (de) 2003-11-27
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AU8896498A (en) 1999-03-22
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