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BRPI0818521A2 - adaptação de classificação para um modo multi-antena de malha aberta de comunicação sem fio - Google Patents

adaptação de classificação para um modo multi-antena de malha aberta de comunicação sem fio

Info

Publication number
BRPI0818521A2
BRPI0818521A2 BRPI0818521A BRPI0818521A BRPI0818521A2 BR PI0818521 A2 BRPI0818521 A2 BR PI0818521A2 BR PI0818521 A BRPI0818521 A BR PI0818521A BR PI0818521 A BRPI0818521 A BR PI0818521A BR PI0818521 A2 BRPI0818521 A2 BR PI0818521A2
Authority
BR
Brazil
Prior art keywords
wireless communication
open loop
antenna mode
classification adaptation
loop multi
Prior art date
Application number
BRPI0818521A
Other languages
English (en)
Inventor
Hua-Xu
Jianming Wu
Jianglei Ma
Mohammadhadi Baligh
Ming Jia
Peiying Zhu
Wen Tong
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 BRPI0818521A2 publication Critical patent/BRPI0818521A2/pt
Publication of BRPI0818521B1 publication Critical patent/BRPI0818521B1/pt

Links

Classifications

    • 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
    • H04B7/0686—Hybrid systems, i.e. switching and simultaneous transmission
    • H04B7/0689—Hybrid systems, i.e. switching and simultaneous transmission using different transmission schemes, at least one of them being a diversity transmission scheme
    • 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
    • H04B7/063—Parameters other than those covered in groups H04B7/0623 - H04B7/0634, e.g. channel matrix rank or transmit mode selection
    • 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
    • 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
    • H04B7/0697—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 spatial multiplexing
    • 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]

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Mobile Radio Communication Systems (AREA)
BRPI0818521-2A 2007-10-02 2008-10-02 Método de adaptação de classificação para uma estação móvel para um modo de malha aberta de múltiplas antenas de comunicação sem fio e estação base BRPI0818521B1 (pt)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US97693307P 2007-10-02 2007-10-02
US60/976,933 2007-10-02
US12/195,114 2008-08-20
US12/195,114 US8948093B2 (en) 2007-10-02 2008-08-20 Rank adaptation for an open loop multi-antenna mode of wireless communication
PCT/IB2008/003841 WO2009074880A2 (en) 2007-10-02 2008-10-02 Rank adaptation for an open loop multi-antenna mode of wireless communication

Publications (2)

Publication Number Publication Date
BRPI0818521A2 true BRPI0818521A2 (pt) 2016-07-19
BRPI0818521B1 BRPI0818521B1 (pt) 2020-09-15

Family

ID=40508169

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0818521-2A BRPI0818521B1 (pt) 2007-10-02 2008-10-02 Método de adaptação de classificação para uma estação móvel para um modo de malha aberta de múltiplas antenas de comunicação sem fio e estação base

Country Status (7)

Country Link
US (1) US8948093B2 (pt)
EP (1) EP2206381A4 (pt)
JP (1) JP2011504308A (pt)
KR (1) KR101511401B1 (pt)
CN (1) CN101816203B (pt)
BR (1) BRPI0818521B1 (pt)
WO (1) WO2009074880A2 (pt)

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Also Published As

Publication number Publication date
WO2009074880A3 (en) 2011-04-28
WO2009074880A2 (en) 2009-06-18
EP2206381A4 (en) 2016-06-15
US8948093B2 (en) 2015-02-03
CN101816203A (zh) 2010-08-25
KR101511401B1 (ko) 2015-04-24
JP2011504308A (ja) 2011-02-03
CN101816203B (zh) 2014-10-15
US20090086648A1 (en) 2009-04-02
KR20100080548A (ko) 2010-07-08
EP2206381A2 (en) 2010-07-14
BRPI0818521B1 (pt) 2020-09-15

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