BRPI0910831A2 - desempenho aperfeiçoado para uma rede celular de formação de feixe de múltiplas antenas - Google Patents

desempenho aperfeiçoado para uma rede celular de formação de feixe de múltiplas antenas

Info

Publication number
BRPI0910831A2
BRPI0910831A2 BRPI0910831A BRPI0910831A BRPI0910831A2 BR PI0910831 A2 BRPI0910831 A2 BR PI0910831A2 BR PI0910831 A BRPI0910831 A BR PI0910831A BR PI0910831 A BRPI0910831 A BR PI0910831A BR PI0910831 A2 BRPI0910831 A2 BR PI0910831A2
Authority
BR
Brazil
Prior art keywords
cellular network
improved performance
antenna beamforming
beamforming cellular
antenna
Prior art date
Application number
BRPI0910831A
Other languages
English (en)
Inventor
Lai King Tee
Neng Wang
Yi Song
Original Assignee
Nortel Network 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 Network Ltd filed Critical Nortel Network Ltd
Publication of BRPI0910831A2 publication Critical patent/BRPI0910831A2/pt
Publication of BRPI0910831B1 publication Critical patent/BRPI0910831B1/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
    • H04B7/0413—MIMO systems
    • H04B7/0456—Selection of precoding matrices or codebooks, e.g. using matrices antenna weighting
    • 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
    • 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
    • H04B7/0456—Selection of precoding matrices or codebooks, e.g. using matrices antenna weighting
    • H04B7/046—Selection of precoding matrices or codebooks, e.g. using matrices antenna weighting taking physical layer constraints into account
    • H04B7/0469—Selection of precoding matrices or codebooks, e.g. using matrices antenna weighting taking physical layer constraints into account taking special antenna structures, e.g. cross polarized antennas into account
    • 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
    • H04B7/0456—Selection of precoding matrices or codebooks, e.g. using matrices antenna weighting
    • H04B7/0478—Special codebook structures directed to feedback optimisation
    • H04B7/0481—Special codebook structures directed to feedback optimisation using subset selection of codebooks
    • 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
    • H04B7/0636—Feedback format
    • H04B7/0639—Using selective indices, e.g. of a codebook, e.g. pre-distortion matrix index [PMI] or for beam 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
    • H04B7/0686—Hybrid systems, i.e. switching and simultaneous transmission
    • H04B7/0695—Hybrid systems, i.e. switching and simultaneous transmission using beam selection
    • 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
    • H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
    • H04L25/03828—Arrangements for spectral shaping; Arrangements for providing signals with specified spectral properties
    • 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
    • H04B7/0452—Multi-user MIMO systems
    • 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
    • H04B7/0456—Selection of precoding matrices or codebooks, e.g. using matrices antenna weighting
    • H04B7/046—Selection of precoding matrices or codebooks, e.g. using matrices antenna weighting taking physical layer constraints into account
    • H04B7/0465—Selection of precoding matrices or codebooks, e.g. using matrices antenna weighting taking physical layer constraints into account taking power constraints at power amplifier or emission constraints, e.g. constant modulus, into account

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Power Engineering (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Radio Transmission System (AREA)
BRPI0910831-9A 2008-04-29 2009-04-28 Método para melhorar a capacidade de transmissão em um sistema de comunicação e aparelho de transmissão simultânea BRPI0910831B1 (pt)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US4871608P 2008-04-29 2008-04-29
US61/048,716 2008-04-29
PCT/US2009/002585 WO2009134357A1 (en) 2008-04-29 2009-04-28 Improved performance for a multiple antenna beamforming cellular network

Publications (2)

Publication Number Publication Date
BRPI0910831A2 true BRPI0910831A2 (pt) 2015-10-06
BRPI0910831B1 BRPI0910831B1 (pt) 2021-04-27

Family

ID=41255309

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0910831-9A BRPI0910831B1 (pt) 2008-04-29 2009-04-28 Método para melhorar a capacidade de transmissão em um sistema de comunicação e aparelho de transmissão simultânea

Country Status (7)

Country Link
US (11) US8391797B2 (pt)
EP (2) EP2277300A4 (pt)
JP (3) JP5792058B2 (pt)
KR (4) KR101749845B1 (pt)
CN (3) CN104320168B (pt)
BR (1) BRPI0910831B1 (pt)
WO (1) WO2009134357A1 (pt)

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Also Published As

Publication number Publication date
CN102017583A (zh) 2011-04-13
US9479239B2 (en) 2016-10-25
CN104270185B (zh) 2018-03-23
JP2011523257A (ja) 2011-08-04
US20130148754A1 (en) 2013-06-13
KR20140130198A (ko) 2014-11-07
CN104320168A (zh) 2015-01-28
BRPI0910831B1 (pt) 2021-04-27
US9923616B2 (en) 2018-03-20
US8391797B2 (en) 2013-03-05
JP2017153131A (ja) 2017-08-31
KR20170045370A (ko) 2017-04-26
US8909156B2 (en) 2014-12-09
US8644764B2 (en) 2014-02-04
EP2277300A1 (en) 2011-01-26
CN102017583B (zh) 2014-09-10
US10491277B2 (en) 2019-11-26
CN104270185A (zh) 2015-01-07
KR101749845B1 (ko) 2017-06-21
JP5792058B2 (ja) 2015-10-07
US20150092878A1 (en) 2015-04-02
US20190215040A1 (en) 2019-07-11
US10848212B2 (en) 2020-11-24
US10277294B2 (en) 2019-04-30
KR101500026B1 (ko) 2015-03-06
US20140119467A1 (en) 2014-05-01
US9548803B2 (en) 2017-01-17
US10063298B2 (en) 2018-08-28
KR101728834B1 (ko) 2017-04-20
US20130148759A1 (en) 2013-06-13
WO2009134357A1 (en) 2009-11-05
CN104320168B (zh) 2018-06-29
JP6132883B2 (ja) 2017-05-24
EP3334057A1 (en) 2018-06-13
US20110039543A1 (en) 2011-02-17
EP2277300A4 (en) 2013-05-22
US20180167114A1 (en) 2018-06-14
KR20110018884A (ko) 2011-02-24
JP2016001904A (ja) 2016-01-07
US20200091973A1 (en) 2020-03-19
US20160134346A1 (en) 2016-05-12
KR20150086383A (ko) 2015-07-27
US9270351B2 (en) 2016-02-23
US20180367194A1 (en) 2018-12-20
US20170041055A1 (en) 2017-02-09

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