BR0317558A - Sistema com diversidade de transmissão - Google Patents

Sistema com diversidade de transmissão

Info

Publication number
BR0317558A
BR0317558A BR0317558-8A BR0317558A BR0317558A BR 0317558 A BR0317558 A BR 0317558A BR 0317558 A BR0317558 A BR 0317558A BR 0317558 A BR0317558 A BR 0317558A
Authority
BR
Brazil
Prior art keywords
transmission diversity
diversity system
varying
time
correlate
Prior art date
Application number
BR0317558-8A
Other languages
English (en)
Inventor
Mark Wallace
Stein A Lundby
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 BR0317558A publication Critical patent/BR0317558A/pt

Links

Classifications

    • 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
    • H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
    • 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
    • H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
    • H04B7/0613—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission
    • H04B7/0615—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • 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
    • H04W52/30—TPC using constraints in the total amount of available transmission power
    • H04W52/34—TPC management, i.e. sharing limited amount of power among users or channels or data types, e.g. cell loading
    • 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
    • H04W52/38—TPC being performed in particular situations
    • H04W52/42—TPC being performed in particular situations in systems with time, space, frequency or polarisation diversity

Landscapes

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

Abstract

"SISTEMAS COM DIVERSIDADE DE TRANSMISSãO". Uma transformação variável no tempo é utilizada para correlacionar a magnitude da interferência entre vários percursos de antena. As modalidades que incorporam as transformações variáveis no tempo proporcionam ganhos de diversidade de transmissão a estações remotas que não são configuradas para recepção com diversidade de transmissão. Além disto, algumas das modalidades podem ser também configuradas para equilibrar a carga entre vários amplificadores de potência.
BR0317558-8A 2002-12-18 2003-12-17 Sistema com diversidade de transmissão BR0317558A (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US10/323,249 US7024166B2 (en) 2002-12-18 2002-12-18 Transmission diversity systems
PCT/US2003/040416 WO2004057776A1 (en) 2002-12-18 2003-12-17 Transmission diversity systems

Publications (1)

Publication Number Publication Date
BR0317558A true BR0317558A (pt) 2005-11-22

Family

ID=32593155

Family Applications (1)

Application Number Title Priority Date Filing Date
BR0317558-8A BR0317558A (pt) 2002-12-18 2003-12-17 Sistema com diversidade de transmissão

Country Status (13)

Country Link
US (2) US7024166B2 (pt)
EP (1) EP1573937A1 (pt)
JP (2) JP4399369B2 (pt)
KR (1) KR100982143B1 (pt)
CN (1) CN100592657C (pt)
AU (1) AU2003297343B2 (pt)
BR (1) BR0317558A (pt)
CA (1) CA2510840A1 (pt)
MX (1) MXPA05006683A (pt)
RU (1) RU2337482C2 (pt)
TW (1) TW200423680A (pt)
UA (1) UA87816C2 (pt)
WO (1) WO2004057776A1 (pt)

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Also Published As

Publication number Publication date
RU2337482C2 (ru) 2008-10-27
TW200423680A (en) 2004-11-01
MXPA05006683A (es) 2005-09-22
AU2003297343B2 (en) 2009-05-21
US20060141951A1 (en) 2006-06-29
KR100982143B1 (ko) 2010-09-14
UA87816C2 (ru) 2009-08-25
US7024166B2 (en) 2006-04-04
CA2510840A1 (en) 2004-07-08
JP2009284497A (ja) 2009-12-03
EP1573937A1 (en) 2005-09-14
KR20050085823A (ko) 2005-08-29
US20040121809A1 (en) 2004-06-24
US7310501B2 (en) 2007-12-18
CN1751453A (zh) 2006-03-22
JP2006511167A (ja) 2006-03-30
JP4399369B2 (ja) 2010-01-13
CN100592657C (zh) 2010-02-24
RU2005122483A (ru) 2006-01-20
AU2003297343A1 (en) 2004-07-14
WO2004057776A1 (en) 2004-07-08

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