BRPI0923115A2 - acesso múltiplo por divisão de espaço rede lan sem fio, e estimativa de canal para a mesma. - Google Patents

acesso múltiplo por divisão de espaço rede lan sem fio, e estimativa de canal para a mesma.

Info

Publication number
BRPI0923115A2
BRPI0923115A2 BRPI0923115A BRPI0923115A BRPI0923115A2 BR PI0923115 A2 BRPI0923115 A2 BR PI0923115A2 BR PI0923115 A BRPI0923115 A BR PI0923115A BR PI0923115 A BRPI0923115 A BR PI0923115A BR PI0923115 A2 BRPI0923115 A2 BR PI0923115A2
Authority
BR
Brazil
Prior art keywords
multiple access
division multiple
wireless lan
channel estimation
space division
Prior art date
Application number
BRPI0923115A
Other languages
English (en)
Inventor
Lyakhov Andrey
Hoon Kim Byoung
Seok Yongho
Original Assignee
Lg Electronics 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 Lg Electronics Inc filed Critical Lg Electronics Inc
Publication of BRPI0923115A2 publication Critical patent/BRPI0923115A2/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
    • H04W4/08—User group management
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
    • 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
    • H04B7/0619—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 using feedback from receiving side
    • H04B7/0621—Feedback content
    • H04B7/0632—Channel quality parameters, e.g. channel quality indicator [CQI]
    • 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
    • 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
    • H04L5/0058—Allocation criteria
    • H04L5/006—Quality of the received signal, e.g. BER, SNR, water filling
    • 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
    • H04L5/0058—Allocation criteria
    • H04L5/0064—Rate requirement of the data, e.g. scalable bandwidth, data priority
    • 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
    • H04L5/0091—Signaling for the administration of the divided path
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/20—Control channels or signalling for resource management
    • H04W72/23—Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal
    • 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
    • H04W74/00—Wireless channel access
    • H04W74/02—Hybrid access
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W84/00—Network topologies
    • H04W84/02—Hierarchically pre-organised networks, e.g. paging networks, cellular networks, WLAN [Wireless Local Area Network] or WLL [Wireless Local Loop]
    • H04W84/10—Small scale networks; Flat hierarchical networks
    • H04W84/12—WLAN [Wireless Local Area Networks]

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Multimedia (AREA)
  • Power Engineering (AREA)
  • Quality & Reliability (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Radio Transmission System (AREA)
BRPI0923115A 2008-12-12 2009-12-11 acesso múltiplo por divisão de espaço rede lan sem fio, e estimativa de canal para a mesma. BRPI0923115A2 (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020080126488A KR101289944B1 (ko) 2008-12-12 2008-12-12 초고처리율 무선랜 시스템에서 채널 추정 방법 및 이를 위한 장치
PCT/KR2009/007435 WO2010068065A2 (ko) 2008-12-12 2009-12-11 무선랜을 위한 공간분할 다중접속 및 이를 위한 채널 추정

Publications (1)

Publication Number Publication Date
BRPI0923115A2 true BRPI0923115A2 (pt) 2018-06-05

Family

ID=42243240

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0923115A BRPI0923115A2 (pt) 2008-12-12 2009-12-11 acesso múltiplo por divisão de espaço rede lan sem fio, e estimativa de canal para a mesma.

Country Status (10)

Country Link
US (3) US9564999B2 (pt)
EP (1) EP2362580B1 (pt)
JP (1) JP5331899B2 (pt)
KR (1) KR101289944B1 (pt)
CN (1) CN102308527B (pt)
BR (1) BRPI0923115A2 (pt)
CA (1) CA2746583C (pt)
MX (1) MX2011006200A (pt)
RU (1) RU2463720C1 (pt)
WO (1) WO2010068065A2 (pt)

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Also Published As

Publication number Publication date
KR101289944B1 (ko) 2013-07-26
US20110243025A1 (en) 2011-10-06
MX2011006200A (es) 2011-07-19
WO2010068065A3 (ko) 2010-09-10
EP2362580A2 (en) 2011-08-31
US10206070B2 (en) 2019-02-12
CN102308527B (zh) 2014-12-24
EP2362580B1 (en) 2018-10-17
CA2746583C (en) 2015-11-17
WO2010068065A2 (ko) 2010-06-17
US9564999B2 (en) 2017-02-07
AU2009325247A1 (en) 2011-07-21
US20170118604A1 (en) 2017-04-27
EP2362580A4 (en) 2014-12-03
US9781578B2 (en) 2017-10-03
US20180027391A1 (en) 2018-01-25
RU2463720C1 (ru) 2012-10-10
CA2746583A1 (en) 2010-06-17
JP2012511860A (ja) 2012-05-24
CN102308527A (zh) 2012-01-04
JP5331899B2 (ja) 2013-10-30
KR20100067894A (ko) 2010-06-22

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