BR112012011661A2 - aquisição de temporização e/ou frequência por célula e seu uso em estimativa de canal em redes sem fio. - Google Patents

aquisição de temporização e/ou frequência por célula e seu uso em estimativa de canal em redes sem fio.

Info

Publication number
BR112012011661A2
BR112012011661A2 BR112012011661A BR112012011661A BR112012011661A2 BR 112012011661 A2 BR112012011661 A2 BR 112012011661A2 BR 112012011661 A BR112012011661 A BR 112012011661A BR 112012011661 A BR112012011661 A BR 112012011661A BR 112012011661 A2 BR112012011661 A2 BR 112012011661A2
Authority
BR
Brazil
Prior art keywords
timing
cells
frequency
acquisition
channel estimation
Prior art date
Application number
BR112012011661A
Other languages
English (en)
Other versions
BR112012011661B1 (pt
Inventor
Ke Liu
Taesang Yoo
Tao Luo
Xiaoxia Zhang
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 BR112012011661A2 publication Critical patent/BR112012011661A2/pt
Publication of BR112012011661B1 publication Critical patent/BR112012011661B1/pt

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W24/00—Supervisory, monitoring or testing arrangements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W56/00—Synchronisation arrangements
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W56/00—Synchronisation arrangements
    • H04W56/001—Synchronization between nodes
    • H04W56/0015—Synchronization between nodes one node acting as a reference for the others
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W56/00—Synchronisation arrangements
    • H04W56/0035—Synchronisation arrangements detecting errors in frequency or phase

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
  • Time-Division Multiplex Systems (AREA)

Abstract

aquisição de temporização e/ou frequência por célula e seu uso em estimativa de canal em redes sem fio. um método, aparelho e produto de programa de computador para comunicação sem fio são fornecidos onde uma temporização de sistema é estimada, derivada a partir da temporização de uma ou mais células, um desvio de temporização é determinado para uma pluralidade de células com relação à temporização de sistema estimada, e sinais recebidos da pluralidade de células são processados utilizando-se os desvios de temporização. adicionalmente, um método, um aparelho, e um produto de programa de computador para comunicação sem fio são fornecidos nos quais uma frequência portadora é estimada, derivada de uma frequência de uma ou mais células, um desvio de frequência é determinado para uma pluralidade de células com relação à temporização de sistema estimada, e sinais recebidos forma a pluralidade de células e são processados utilizando-se desvios de frequência.
BR112012011661-4A 2009-11-19 2010-11-19 Captação de temporização e/ou frequência por célula e seu uso emestimativa de canal em redes sem fio BR112012011661B1 (pt)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US26291109P 2009-11-19 2009-11-19
US61/262,911 2009-11-19
US12/949,020 2010-11-18
US12/949,020 US10111111B2 (en) 2009-11-19 2010-11-18 Per-cell timing and/or frequency acquisition and their use on channel estimation in wireless networks
PCT/US2010/057513 WO2011063291A2 (en) 2009-11-19 2010-11-19 Per-cell timing and/or frequency acquisition and their use on channel estimation in wireless networks

Publications (2)

Publication Number Publication Date
BR112012011661A2 true BR112012011661A2 (pt) 2016-07-05
BR112012011661B1 BR112012011661B1 (pt) 2021-02-23

Family

ID=43466689

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112012011661-4A BR112012011661B1 (pt) 2009-11-19 2010-11-19 Captação de temporização e/ou frequência por célula e seu uso emestimativa de canal em redes sem fio

Country Status (8)

Country Link
US (2) US10111111B2 (pt)
EP (2) EP2574121B1 (pt)
JP (4) JP5675836B2 (pt)
KR (3) KR101549052B1 (pt)
CN (2) CN102612848B (pt)
BR (1) BR112012011661B1 (pt)
TW (1) TWI492649B (pt)
WO (1) WO2011063291A2 (pt)

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Publication number Publication date
EP2502453B1 (en) 2014-02-26
US9100843B2 (en) 2015-08-04
JP2014078951A (ja) 2014-05-01
TW201134269A (en) 2011-10-01
EP2574121B1 (en) 2016-04-27
KR101549052B1 (ko) 2015-09-11
US20130231123A1 (en) 2013-09-05
JP2017143520A (ja) 2017-08-17
EP2574121A3 (en) 2014-02-26
JP6129908B2 (ja) 2017-05-17
JP2016006965A (ja) 2016-01-14
KR101486401B1 (ko) 2015-01-26
EP2502453A2 (en) 2012-09-26
CN102612848A (zh) 2012-07-25
CN104640196A (zh) 2015-05-20
EP2574121A2 (en) 2013-03-27
BR112012011661B1 (pt) 2021-02-23
US20110286376A1 (en) 2011-11-24
CN102612848B (zh) 2015-07-01
JP5813730B2 (ja) 2015-11-17
JP2013511919A (ja) 2013-04-04
KR20140010172A (ko) 2014-01-23
CN104640196B (zh) 2018-04-10
KR20140138343A (ko) 2014-12-03
US10111111B2 (en) 2018-10-23
KR20120095446A (ko) 2012-08-28
JP6456988B2 (ja) 2019-01-23
TWI492649B (zh) 2015-07-11
WO2011063291A2 (en) 2011-05-26
JP5675836B2 (ja) 2015-02-25
WO2011063291A3 (en) 2011-08-18

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