BRPI0808966A8 - Aparelhos e métodos para aquisição de dados de qualidade de canal de múltiplas antenas em uma rede de serviço de difusão/multidifusão - Google Patents

Aparelhos e métodos para aquisição de dados de qualidade de canal de múltiplas antenas em uma rede de serviço de difusão/multidifusão

Info

Publication number
BRPI0808966A8
BRPI0808966A8 BRPI0808966A BRPI0808966A BRPI0808966A8 BR PI0808966 A8 BRPI0808966 A8 BR PI0808966A8 BR PI0808966 A BRPI0808966 A BR PI0808966A BR PI0808966 A BRPI0808966 A BR PI0808966A BR PI0808966 A8 BRPI0808966 A8 BR PI0808966A8
Authority
BR
Brazil
Prior art keywords
broadcast
unicast
symbol
channel
methods
Prior art date
Application number
BRPI0808966A
Other languages
English (en)
Inventor
e buckley Michael
K Classon Brian
A Stewart Kenneth
Original Assignee
Motorola Inc
Motorola Solutions Inc
Motorola Mobility Inc
Motorola Mobility Llc
Google Technology Holdings LLC
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 Motorola Inc, Motorola Solutions Inc, Motorola Mobility Inc, Motorola Mobility Llc, Google Technology Holdings LLC filed Critical Motorola Inc
Publication of BRPI0808966A2 publication Critical patent/BRPI0808966A2/pt
Publication of BRPI0808966A8 publication Critical patent/BRPI0808966A8/pt

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/06—Selective distribution of broadcast services, e.g. multimedia broadcast multicast service [MBMS]; Services to user groups; One-way selective calling services
    • 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
    • H04B7/0667—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 delayed versions of same signal
    • H04B7/0671—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 delayed versions of same signal using different delays between antennas
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H04L27/2601—Multicarrier modulation systems
    • H04L27/2602—Signal structure
    • H04L27/261—Details of reference signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H04L27/2601—Multicarrier modulation systems
    • H04L27/2602—Signal structure
    • H04L27/261—Details of reference signals
    • H04L27/2613—Structure of the reference signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/0001—Arrangements for dividing the transmission path
    • H04L5/0014—Three-dimensional division
    • H04L5/0023—Time-frequency-space
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0048—Allocation of pilot signals, i.e. of signals known to the receiver
    • 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
    • H04W88/08—Access point devices

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Multimedia (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)

Abstract

APARELHOS E MÉTODOS PARA AQUISIÇÃO DE DADOS DE QUALIDADE DE CANAL DE MÚLTIPLAS ANTENAS EM UMA REDE DE SERVIÇO DE DIFUSÃO/MULTIDIFUSÃO Vários métodos e aparelhos provêem aquisição de dados de canal de difusão ponto a ponto, como informações de antena, a partir de subquadros de MBMS. Um método de operar uma entidade de infraestrutura de rede de comunicação sem fio é revelado que compreende transmitir um subquadro (300) compreendendo um símbolo de difusão ponto a ponto (301) em uma primeira posição de símbolo predeterminada no subquadro (300), o símbolo de difusão ponto a ponto (301) compreendendo uma primeira informação de referência de antena; definir a primeira informação de referência de antena como uma segunda informação de referência de antena; e transmitir um segundo subquadro que compreende um segundo símbolo de difusão ponto a ponto em uma segunda posição de símbolo predeterminada no segundo subquadro, o segundo símbolo de difusão ponto a ponto que compreende a segunda informação de referência de antena.
BRPI0808966A 2007-03-21 2008-01-21 Aparelhos e métodos para aquisição de dados de qualidade de canal de múltiplas antenas em uma rede de serviço de difusão/multidifusão BRPI0808966A8 (pt)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US11/689,492 2007-03-21
US11/689,492 US7796639B2 (en) 2007-03-21 2007-03-21 Apparatuses and methods for multi-antenna channel quality data acquisition in a broadcast/multicast service network
PCT/US2008/051549 WO2008115613A1 (en) 2007-03-21 2008-01-21 Apparatuses and methods for mulit-antenna channel quality data acquisition in a broadcast/multicast service network

Publications (2)

Publication Number Publication Date
BRPI0808966A2 BRPI0808966A2 (pt) 2014-08-26
BRPI0808966A8 true BRPI0808966A8 (pt) 2017-01-24

Family

ID=39563383

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0808966A BRPI0808966A8 (pt) 2007-03-21 2008-01-21 Aparelhos e métodos para aquisição de dados de qualidade de canal de múltiplas antenas em uma rede de serviço de difusão/multidifusão

Country Status (11)

Country Link
US (2) US7796639B2 (pt)
EP (2) EP2285013B8 (pt)
JP (1) JP5124861B2 (pt)
KR (1) KR101075781B1 (pt)
CN (1) CN101641878B (pt)
AT (1) ATE499756T1 (pt)
BR (1) BRPI0808966A8 (pt)
DE (1) DE602008005119D1 (pt)
ES (1) ES2360587T3 (pt)
MX (1) MX2009010094A (pt)
WO (1) WO2008115613A1 (pt)

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Also Published As

Publication number Publication date
BRPI0808966A2 (pt) 2014-08-26
ES2360587T3 (es) 2011-06-07
DE602008005119D1 (de) 2011-04-07
KR101075781B1 (ko) 2011-10-24
EP2127138B1 (en) 2011-02-23
ATE499756T1 (de) 2011-03-15
EP2127138A1 (en) 2009-12-02
US20100322138A1 (en) 2010-12-23
EP2285013A2 (en) 2011-02-16
JP5124861B2 (ja) 2013-01-23
CN101641878A (zh) 2010-02-03
EP2285013B8 (en) 2016-07-06
CN101641878B (zh) 2014-08-20
JP2010519869A (ja) 2010-06-03
EP2285013B1 (en) 2016-03-30
KR20090113899A (ko) 2009-11-02
US20080232395A1 (en) 2008-09-25
US8780779B2 (en) 2014-07-15
MX2009010094A (es) 2009-10-16
US7796639B2 (en) 2010-09-14
EP2285013A3 (en) 2014-01-08
WO2008115613A1 (en) 2008-09-25

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