BR0014538A - Busca de sistema candidato e soft handoff entre frequências em um sistema de comunicação móvel de múltiplas portadoras - Google Patents

Busca de sistema candidato e soft handoff entre frequências em um sistema de comunicação móvel de múltiplas portadoras

Info

Publication number
BR0014538A
BR0014538A BR0014538-6A BR0014538A BR0014538A BR 0014538 A BR0014538 A BR 0014538A BR 0014538 A BR0014538 A BR 0014538A BR 0014538 A BR0014538 A BR 0014538A
Authority
BR
Brazil
Prior art keywords
frequencies
subreceivers
transmitter
signals
communication system
Prior art date
Application number
BR0014538-6A
Other languages
English (en)
Other versions
BRPI0014538B1 (pt
Inventor
Tao Chen
Seyfollah Bazarjani
Edward G Tiedemann Jr
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 filed Critical
Publication of BR0014538A publication Critical patent/BR0014538A/pt
Publication of BRPI0014538B1 publication Critical patent/BRPI0014538B1/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
    • H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
    • H04B1/40—Circuits
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/022—Site diversity; Macro-diversity
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/0491—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas using two or more sectors, i.e. sector diversity
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
    • H04W88/02—Terminal devices
    • H04W88/06—Terminal devices adapted for operation in multiple networks or having at least two operational modes, e.g. multi-mode terminals

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Circuits Of Receivers In General (AREA)

Abstract

"BUSCA DE SISTEMA CANDIDATO E SOFT HANDOFF ENTRE FREQuêNCIAS EM UM SISTEMA, DE COMUNICAçãO MóVEL DE MúLTIPLAS PORTADORAS". A presente invenção consiste de uma estação móvel compreendendo: um transmissor para a transmissão de sinais de emissão a partir da estação móvel; e um receptor para a recepção de sinais recebidos, o receptor acoplado ao transmissor e possuindo N sub-receptores, em que N é um número inteiro maior que um e cada um dos N sub-receptores pode ser independentemente sintonizado em uma freq³ência desejada. A presente invenção inclui também um sistema de comunicação sem fio compreendendo: (1) uma pluralidade de estações base, em que cada uma das estações base transmite sinais através de pelo menos uma dentre uma pluralidade de freq³ências; e (2) uma pluralidade de estações móveis, pelo menos uma dentre a pluralidade de estações móveis compreende: (a) um transmissor para a transmissão de sinais para pelo menos uma dentre a pluralidade de estações base; e um receptor acoplado ao transmissor para recepção de sinais provenientes de pelo menos uma dentre a pluralidade de estações base, o receptor possuindo N sub-receptores, em que N é um número inteiro maior que um e cada um dos N sub-receptores é independentemente sintonizado em uma freq³ência desejada.
BRPI0014538A 1999-10-06 2000-10-04 estação móvel, sistema de comunicação sem fio e método para comunicação entre uma estação móvel e pelo menos uma estação base BRPI0014538B1 (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/413,648 US6606485B1 (en) 1999-10-06 1999-10-06 Candidate system search and soft handoff between frequencies in a multi-carrier mobile communication system
PCT/US2000/027384 WO2001026248A1 (en) 1999-10-06 2000-10-04 Candidate system search and soft handoff between frequencies in a multi-carrier mobile communication system

Publications (2)

Publication Number Publication Date
BR0014538A true BR0014538A (pt) 2002-08-20
BRPI0014538B1 BRPI0014538B1 (pt) 2016-10-11

Family

ID=23638075

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0014538A BRPI0014538B1 (pt) 1999-10-06 2000-10-04 estação móvel, sistema de comunicação sem fio e método para comunicação entre uma estação móvel e pelo menos uma estação base

Country Status (12)

Country Link
US (3) US6606485B1 (pt)
EP (2) EP1224750B1 (pt)
JP (2) JP4768184B2 (pt)
KR (2) KR100903539B1 (pt)
CN (2) CN101174892B (pt)
AT (1) ATE546892T1 (pt)
AU (1) AU7855500A (pt)
BR (1) BRPI0014538B1 (pt)
ES (1) ES2380072T3 (pt)
HK (1) HK1049932B (pt)
TW (1) TW533694B (pt)
WO (1) WO2001026248A1 (pt)

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Also Published As

Publication number Publication date
US20030211850A1 (en) 2003-11-13
EP1224750A1 (en) 2002-07-24
ATE546892T1 (de) 2012-03-15
US6606485B1 (en) 2003-08-12
HK1049932B (zh) 2008-06-06
JP4768184B2 (ja) 2011-09-07
JP2011082996A (ja) 2011-04-21
JP4768874B2 (ja) 2011-09-07
HK1049932A1 (en) 2003-05-30
KR20020035174A (ko) 2002-05-09
CN1391734A (zh) 2003-01-15
CN100358262C (zh) 2007-12-26
KR100903539B1 (ko) 2009-06-23
BRPI0014538B1 (pt) 2016-10-11
TW533694B (en) 2003-05-21
KR20070056163A (ko) 2007-05-31
EP1224750B1 (en) 2012-02-22
CN101174892B (zh) 2011-11-30
WO2001026248A1 (en) 2001-04-12
JP2003511894A (ja) 2003-03-25
US7136648B2 (en) 2006-11-14
AU7855500A (en) 2001-05-10
US8238855B2 (en) 2012-08-07
ES2380072T3 (es) 2012-05-08
US20070060086A1 (en) 2007-03-15
CN101174892A (zh) 2008-05-07
EP2403159A1 (en) 2012-01-04

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