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BRPI0712926A8 - estrutura de preâmbulo e aquisição para um sistema de comunicação sem fio - Google Patents

estrutura de preâmbulo e aquisição para um sistema de comunicação sem fio

Info

Publication number
BRPI0712926A8
BRPI0712926A8 BRPI0712926A BRPI0712926A BRPI0712926A8 BR PI0712926 A8 BRPI0712926 A8 BR PI0712926A8 BR PI0712926 A BRPI0712926 A BR PI0712926A BR PI0712926 A BRPI0712926 A BR PI0712926A BR PI0712926 A8 BRPI0712926 A8 BR PI0712926A8
Authority
BR
Brazil
Prior art keywords
tdm
pilot
pilots
preamble
wireless communication
Prior art date
Application number
BRPI0712926A
Other languages
English (en)
Inventor
Mao Wang Michael
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
Priority claimed from US11/746,111 external-priority patent/US8929353B2/en
Application filed by Qualcomm Inc filed Critical Qualcomm Inc
Priority claimed from PCT/US2007/071028 external-priority patent/WO2007146952A2/en
Publication of BRPI0712926A2 publication Critical patent/BRPI0712926A2/pt
Publication of BRPI0712926A8 publication Critical patent/BRPI0712926A8/pt
Publication of BRPI0712926B1 publication Critical patent/BRPI0712926B1/pt

Links

Classifications

    • 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
    • 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
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/24—Reselection being triggered by specific parameters
    • H04W36/30—Reselection being triggered by specific parameters by measured or perceived connection quality data
    • H04W36/302—Reselection being triggered by specific parameters by measured or perceived connection quality data due to low signal strength
    • 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
    • H04L27/26136—Pilot sequence conveying additional information
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/34—Reselection control
    • H04W36/36—Reselection control by user or terminal equipment
    • H04W36/362—Conditional handover

Landscapes

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

Abstract

estrutura de preâmbulo e aquisição para um sistema de comunicação sem fio. são descritas técnicas para enviar informações de setor/sistema em pilotos tdm utilizando uma estrutura de piloto hierárquico. uma estação base envia múltiplos conjuntos de bits para as informações de setor/sistema em múltiplos pilotos tdm. o conjunto de bits enviado em um dado piloto tdm pode incluir bits enviados em pilotos tdm anteriores. em um desenho, a estação base gera um primeiro piloto tdm com base em um primeiro conjunto de bits, gera um segundo piloto tdm com base em um segundo conjuntos de bits que inclui o primeiro conjunto, gera um terceiro piloto tdm com base em todos os bits para as informações, e envia os pilotos tdm. um terminal executa detecção para obter um primeiro valor detectado para o primeiro piloto tdm, executa detecção com base no primeiro valor detectado para obter um segundo valor detectado para o segundo piloto tdm, e executa detecção com base nos primeiro e segundo valores detectados para obter um terceiro valor detectado para o terceiro piloto tdm.
BRPI0712926-2A 2006-06-13 2007-06-12 estrutura de preâmbulo e aquisição para um sistema de comunicação sem fio BRPI0712926B1 (pt)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US81348306P 2006-06-13 2006-06-13
US60/813,483 2006-06-13
US11/746,111 US8929353B2 (en) 2007-05-09 2007-05-09 Preamble structure and acquisition for a wireless communication system
PCT/US2007/071028 WO2007146952A2 (en) 2006-06-13 2007-06-12 Preamble structure and acquisition for a wireless communication system

Publications (3)

Publication Number Publication Date
BRPI0712926A2 BRPI0712926A2 (pt) 2012-10-30
BRPI0712926A8 true BRPI0712926A8 (pt) 2019-01-15
BRPI0712926B1 BRPI0712926B1 (pt) 2019-11-12

Family

ID=40806704

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0712926-2A BRPI0712926B1 (pt) 2006-06-13 2007-06-12 estrutura de preâmbulo e aquisição para um sistema de comunicação sem fio

Country Status (3)

Country Link
US (1) US8676209B2 (pt)
CN (1) CN101467413B (pt)
BR (1) BRPI0712926B1 (pt)

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Also Published As

Publication number Publication date
BRPI0712926B1 (pt) 2019-11-12
US8676209B2 (en) 2014-03-18
US20070287462A1 (en) 2007-12-13
CN101467413B (zh) 2013-08-21
BRPI0712926A2 (pt) 2012-10-30
CN101467413A (zh) 2009-06-24

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Legal Events

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B06F Objections, documents and/or translations needed after an examination request according [chapter 6.6 patent gazette]
B06T Formal requirements before examination [chapter 6.20 patent gazette]
B15K Others concerning applications: alteration of classification

Free format text: A CLASSIFICACAO ANTERIOR ERA: H04L 27/26

Ipc: H04L 5/00 (1968.09), H04L 27/26 (1968.09), H04W 36

B16A Patent or certificate of addition of invention granted [chapter 16.1 patent gazette]

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