BR112015021698A2 - sistemas e métodos para operação de mimo intensificada - Google Patents

sistemas e métodos para operação de mimo intensificada

Info

Publication number
BR112015021698A2
BR112015021698A2 BR112015021698A BR112015021698A BR112015021698A2 BR 112015021698 A2 BR112015021698 A2 BR 112015021698A2 BR 112015021698 A BR112015021698 A BR 112015021698A BR 112015021698 A BR112015021698 A BR 112015021698A BR 112015021698 A2 BR112015021698 A2 BR 112015021698A2
Authority
BR
Brazil
Prior art keywords
codebook
systems
methods
enhanced
pampering
Prior art date
Application number
BR112015021698A
Other languages
English (en)
Other versions
BR112015021698B1 (pt
Inventor
Xu Hao
Gaal Peter
Geirhofer Stefan
Chen Wanshi
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 BR112015021698A2 publication Critical patent/BR112015021698A2/pt
Publication of BR112015021698B1 publication Critical patent/BR112015021698B1/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
    • H04B7/0613—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
    • H04B7/0626—Channel coefficients, e.g. channel state information [CSI]
    • 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
    • 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
    • H04B7/0613—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
    • H04B7/0645—Variable feedback
    • H04B7/0647—Variable feedback rate
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Radio Transmission System (AREA)

Abstract

1/1 resumo “sistemas e métodos para operação de mimo intensificada” trata-se de um método para relatório de informações de estado de canal (csi) por um dispositivo de comunicação sem fio. o método inclui determinar um livro de códigos para um relatório de csi correspondente às transmissões de quatro antenas de transmissão (4tx) a partir de uma estação base. o livro de códigos tem uma estrutura dupla de livro de códigos. o método também inclui gerar o relatório de csi com o uso do livro de códigos. o método inclui adicionalmente transmitir o relatório de csi a uma estação base.
BR112015021698-6A 2013-03-08 2014-03-07 Sistemas e métodos para operação de mimo intensificada BR112015021698B1 (pt)

Applications Claiming Priority (9)

Application Number Priority Date Filing Date Title
US201361775016P 2013-03-08 2013-03-08
US61/775,016 2013-03-08
US201361821867P 2013-05-10 2013-05-10
US61/821,867 2013-05-10
US201361832310P 2013-06-07 2013-06-07
US61/832,310 2013-06-07
US14/199,743 US9698887B2 (en) 2013-03-08 2014-03-06 Systems and methods for enhanced MIMO operation
US14/199,743 2014-03-06
PCT/US2014/021911 WO2014138625A1 (en) 2013-03-08 2014-03-07 Systems and methods for enhanced mimo operation

Publications (2)

Publication Number Publication Date
BR112015021698A2 true BR112015021698A2 (pt) 2017-07-18
BR112015021698B1 BR112015021698B1 (pt) 2023-07-04

Family

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Also Published As

Publication number Publication date
CN110460362A (zh) 2019-11-15
US20170279513A1 (en) 2017-09-28
EP2965445A1 (en) 2016-01-13
KR20210024257A (ko) 2021-03-04
KR102306700B1 (ko) 2021-09-28
US20140254701A1 (en) 2014-09-11
WO2014138625A1 (en) 2014-09-12
CN105027463A (zh) 2015-11-04
JP2016514429A (ja) 2016-05-19
US10284273B2 (en) 2019-05-07
KR20150128844A (ko) 2015-11-18
EP4254818A1 (en) 2023-10-04
US9698887B2 (en) 2017-07-04
KR102223077B1 (ko) 2021-03-03
JP6599239B2 (ja) 2019-10-30
CN110460362B (zh) 2022-06-28

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Legal Events

Date Code Title Description
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]
B07A Application suspended after technical examination (opinion) [chapter 7.1 patent gazette]
B09A Decision: intention to grant [chapter 9.1 patent gazette]
B16A Patent or certificate of addition of invention granted [chapter 16.1 patent gazette]

Free format text: PRAZO DE VALIDADE: 20 (VINTE) ANOS CONTADOS A PARTIR DE 07/03/2014, OBSERVADAS AS CONDICOES LEGAIS

B16C Correction of notification of the grant [chapter 16.3 patent gazette]

Free format text: REFERENTE A RPI 2739 DE 04/07/2023, QUANTO AO ITEM (73) ENDERECO DO TITULAR.