BRPI0921738A2 - método e sistema para estimativa de canal de complexidade reduzida e cancelamento de interferência para demodulação de v-mimo - Google Patents

método e sistema para estimativa de canal de complexidade reduzida e cancelamento de interferência para demodulação de v-mimo

Info

Publication number
BRPI0921738A2
BRPI0921738A2 BRPI0921738A BRPI0921738A BRPI0921738A2 BR PI0921738 A2 BRPI0921738 A2 BR PI0921738A2 BR PI0921738 A BRPI0921738 A BR PI0921738A BR PI0921738 A BRPI0921738 A BR PI0921738A BR PI0921738 A2 BRPI0921738 A2 BR PI0921738A2
Authority
BR
Brazil
Prior art keywords
channel estimation
interference cancellation
reduced complexity
complexity channel
maximum demodulation
Prior art date
Application number
BRPI0921738A
Other languages
English (en)
Inventor
Ed Illidge
Gray David Boudreau
John P Panicker
Michael Petras
Original Assignee
Nortel Networks Ltd
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 Nortel Networks Ltd filed Critical Nortel Networks Ltd
Publication of BRPI0921738A2 publication Critical patent/BRPI0921738A2/pt
Publication of BRPI0921738B1 publication Critical patent/BRPI0921738B1/pt

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/0202—Channel estimation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J11/00—Orthogonal multiplex systems, e.g. using WALSH codes
    • H04J11/0023—Interference mitigation or co-ordination
    • H04J11/0026—Interference mitigation or co-ordination of multi-user interference
    • H04J11/0036—Interference mitigation or co-ordination of multi-user interference at the receiver
    • 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
    • H04B1/06—Receivers
    • H04B1/10—Means associated with receiver for limiting or suppressing noise or interference
    • H04B1/1081—Reduction of multipath noise
    • 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
    • H04B7/0413—MIMO systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J11/00—Orthogonal multiplex systems, e.g. using WALSH codes
    • H04J11/0023—Interference mitigation or co-ordination
    • H04J11/005—Interference mitigation or co-ordination of intercell interference
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J11/00—Orthogonal multiplex systems, e.g. using WALSH codes
    • H04J11/0023—Interference mitigation or co-ordination
    • H04J11/005—Interference mitigation or co-ordination of intercell interference
    • H04J11/0056—Inter-base station aspects
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J11/00—Orthogonal multiplex systems, e.g. using WALSH codes
    • H04J11/0023—Interference mitigation or co-ordination
    • H04J11/005—Interference mitigation or co-ordination of intercell interference
    • H04J11/0059—Out-of-cell user aspects
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/004—Arrangements for detecting or preventing errors in the information received by using forward error control
    • H04L1/0045—Arrangements at the receiver end
    • H04L1/0047—Decoding adapted to other signal detection operation
    • H04L1/0048—Decoding adapted to other signal detection operation in conjunction with detection of multiuser or interfering signals, e.g. iteration between CDMA or MIMO detector and FEC decoder
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/0202—Channel estimation
    • H04L25/0204—Channel estimation of multiple channels
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/0202—Channel estimation
    • H04L25/0224—Channel estimation using sounding signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W24/00—Supervisory, monitoring or testing arrangements

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Power Engineering (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Radio Transmission System (AREA)
BRPI0921738-0A 2008-11-13 2009-11-12 método para comunicação sem fio em uma rede de comunicação sem fio e estação base para uso em um sistema de comunicação sem fio BRPI0921738B1 (pt)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US11435108P 2008-11-13 2008-11-13
US61/114,351 2008-11-13
PCT/CA2009/001627 WO2010054474A1 (en) 2008-11-13 2009-11-12 Method and system for reduced complexity channel estimation and interference cancellation for v-mimo demodulation

Publications (2)

Publication Number Publication Date
BRPI0921738A2 true BRPI0921738A2 (pt) 2016-01-05
BRPI0921738B1 BRPI0921738B1 (pt) 2020-11-24

Family

ID=42169565

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0921738-0A BRPI0921738B1 (pt) 2008-11-13 2009-11-12 método para comunicação sem fio em uma rede de comunicação sem fio e estação base para uso em um sistema de comunicação sem fio

Country Status (9)

Country Link
US (3) US8724723B2 (pt)
EP (1) EP2351443A4 (pt)
JP (1) JP5562971B2 (pt)
KR (1) KR101564479B1 (pt)
CN (1) CN102273295B (pt)
BR (1) BRPI0921738B1 (pt)
CA (1) CA2743371C (pt)
RU (1) RU2511718C2 (pt)
WO (1) WO2010054474A1 (pt)

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Also Published As

Publication number Publication date
CA2743371C (en) 2017-09-12
WO2010054474A1 (en) 2010-05-20
RU2011120063A (ru) 2012-12-20
CN102273295A (zh) 2011-12-07
JP5562971B2 (ja) 2014-07-30
US20150280941A1 (en) 2015-10-01
US20110293028A1 (en) 2011-12-01
KR101564479B1 (ko) 2015-10-29
EP2351443A1 (en) 2011-08-03
JP2012508997A (ja) 2012-04-12
CN102273295B (zh) 2015-01-21
US9461849B2 (en) 2016-10-04
EP2351443A4 (en) 2016-06-08
RU2511718C2 (ru) 2014-04-10
BRPI0921738B1 (pt) 2020-11-24
CA2743371A1 (en) 2010-05-20
KR20110095284A (ko) 2011-08-24
US9088443B2 (en) 2015-07-21
US8724723B2 (en) 2014-05-13
US20140211741A1 (en) 2014-07-31

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B25A Requested transfer of rights approved

Owner name: APPLE INC. (US)

B25G Requested change of headquarter approved

Owner name: APPLE INC. (US)

B06F Objections, documents and/or translations needed after an examination request according [chapter 6.6 patent gazette]
B06U Preliminary requirement: requests with searches performed by other patent offices: procedure suspended [chapter 6.21 patent gazette]
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