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BRPI0924222A2 - método e equipamento para estimação de canal usando múltiplos códigos de descrição - Google Patents

método e equipamento para estimação de canal usando múltiplos códigos de descrição

Info

Publication number
BRPI0924222A2
BRPI0924222A2 BRPI0924222A BRPI0924222A BRPI0924222A2 BR PI0924222 A2 BRPI0924222 A2 BR PI0924222A2 BR PI0924222 A BRPI0924222 A BR PI0924222A BR PI0924222 A BRPI0924222 A BR PI0924222A BR PI0924222 A2 BRPI0924222 A2 BR PI0924222A2
Authority
BR
Brazil
Prior art keywords
equipment
channel estimation
multiple description
description codes
codes
Prior art date
Application number
BRPI0924222A
Other languages
English (en)
Inventor
Y Gorokhov Alexei
Mallik Siddhartha
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 BRPI0924222A2 publication Critical patent/BRPI0924222A2/pt
Publication of BRPI0924222B1 publication Critical patent/BRPI0924222B1/pt

Links

Classifications

    • 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
    • H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • H04L1/0033—Systems modifying transmission characteristics according to link quality, e.g. power backoff arrangements specific to the transmitter
    • H04L1/0035—Systems modifying transmission characteristics according to link quality, e.g. power backoff arrangements specific to the transmitter evaluation of received explicit signalling
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B17/00—Monitoring; Testing
    • H04B17/20—Monitoring; Testing of receivers
    • H04B17/24—Monitoring; Testing of receivers with feedback of measurements to the transmitter
    • 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
    • H04B7/0417—Feedback 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
    • H04B7/06—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
    • H04B7/0634—Antenna weights or vector/matrix coefficients
    • 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
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • H04L1/0023—Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the signalling
    • H04L1/0026—Transmission of channel quality indication
    • 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
    • H04L25/024—Channel estimation channel estimation algorithms
    • H04L25/0242—Channel estimation channel estimation algorithms using matrix methods
    • 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
    • H04L25/024—Channel estimation channel estimation algorithms
    • H04L25/0256—Channel estimation using minimum mean square error criteria
    • 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]

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Quality & Reliability (AREA)
  • Mathematical Physics (AREA)
  • Power Engineering (AREA)
  • Electromagnetism (AREA)
  • Radio Transmission System (AREA)
  • Mobile Radio Communication Systems (AREA)
BRPI0924222-8A 2009-01-06 2009-11-29 método e equipamento para estimação de canal usando múltiplos códigos de descrição BRPI0924222B1 (pt)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US14282609P 2009-01-06 2009-01-06
US61/142,826 2009-01-06
US12/620,141 US8787183B2 (en) 2009-01-06 2009-11-17 Method and apparatus for channel estimation using multiple description codes
US12/620,141 2009-11-17
PCT/US2009/066031 WO2010080231A1 (en) 2009-01-06 2009-11-29 Method and apparatus for channel estimation using multiple description codes

Publications (2)

Publication Number Publication Date
BRPI0924222A2 true BRPI0924222A2 (pt) 2018-05-22
BRPI0924222B1 BRPI0924222B1 (pt) 2021-01-12

Family

ID=42311637

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0924222-8A BRPI0924222B1 (pt) 2009-01-06 2009-11-29 método e equipamento para estimação de canal usando múltiplos códigos de descrição

Country Status (8)

Country Link
US (1) US8787183B2 (pt)
EP (2) EP2618530B1 (pt)
JP (2) JP5579745B2 (pt)
KR (2) KR20110102505A (pt)
CN (1) CN102273154B (pt)
BR (1) BRPI0924222B1 (pt)
TW (1) TWI431987B (pt)
WO (1) WO2010080231A1 (pt)

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US8711963B2 (en) * 2010-02-11 2014-04-29 Samsung Electronics Co., Ltd. Unified feedback frame for supporting a plurality of feedback modes and a multiple-input multiple-output (MIMO) communication system using the unified feedback frame
US20130272438A1 (en) * 2011-03-16 2013-10-17 Nec (China) Co., Ltd. Method, transmitter and receiver for beamforming
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EP2592764B1 (en) * 2011-11-14 2014-03-19 Alcatel Lucent Method for optimizing radio link transmission in a radio communication system, transmission unit, selection unit, network node, and apparatus thereof
CN103731233B (zh) * 2012-10-12 2018-07-03 华为技术有限公司 码字反馈方法及接收机
WO2015047428A1 (en) * 2013-09-27 2015-04-02 Intel Corporation Channel-adaptive configurable mimo detector for multi-mode wireless systems
KR102220399B1 (ko) * 2013-10-21 2021-02-25 삼성전자주식회사 다중 입력 다중 출력 방식을 사용하는 무선 통신 시스템에서 사용자 단말기 선택 및 빔 포밍 동작 수행 장치 및 방법
US10601480B2 (en) 2014-06-10 2020-03-24 Telefonaktiebolaget Lm Ericsson (Publ) Systems and methods for adaptively restricting CSI reporting in multi antenna wireless communications systems utilizing unused bit resources
US9602178B2 (en) * 2014-06-23 2017-03-21 Nokia Technologies Oy Joint precoder and receiver design for MU-MIMO downlink
CN105207758B (zh) * 2014-06-27 2018-09-07 上海诺基亚贝尔股份有限公司 一种用于选择下行链路的方法、装置与设备
US10498405B2 (en) * 2014-10-29 2019-12-03 Telefonaktiebolaget L M Ericsson (Publ) Codebook restriction
KR101955102B1 (ko) * 2017-07-27 2019-03-06 포항공과대학교 산학협력단 다중 안테나 통신 시스템에서 코드북 기반 수신 신호 입사 각도 추정 방법 및 그 장치
WO2019099024A1 (en) * 2017-11-17 2019-05-23 Nokia Technologies Oy Methods and apparatuses for multi quantization codebook for explicit channel state information feedback in new radio
EP3888256A4 (en) 2018-11-27 2022-08-31 Xcom Labs, Inc. NON-COHERENT COOPERATIVE MIMO COMMUNICATIONS
CN111628807A (zh) * 2019-02-28 2020-09-04 英国电讯有限公司 Mimo系统中的信道估计
CN110753241B (zh) * 2019-10-21 2021-10-19 山东师范大学 基于多描述网络的图像编码、解码方法及系统
US12088499B2 (en) 2020-04-15 2024-09-10 Virewirx, Inc. System and method for reducing data packet processing false alarms
CN115699605A (zh) 2020-05-26 2023-02-03 艾斯康实验室公司 干扰感知波束成形
WO2022093988A1 (en) 2020-10-30 2022-05-05 XCOM Labs, Inc. Clustering and/or rate selection in multiple-input multiple-output communication systems
KR20230118111A (ko) 2020-12-16 2023-08-10 엑스콤 랩스 인코퍼레이티드 쿼시-옴니 및 지향성 빔을 갖는 무선 통신

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Also Published As

Publication number Publication date
CN102273154A (zh) 2011-12-07
BRPI0924222B1 (pt) 2021-01-12
WO2010080231A1 (en) 2010-07-15
EP2386162A1 (en) 2011-11-16
JP5579745B2 (ja) 2014-08-27
KR20130113523A (ko) 2013-10-15
KR101490209B1 (ko) 2015-02-05
CN102273154B (zh) 2015-04-15
KR20110102505A (ko) 2011-09-16
US8787183B2 (en) 2014-07-22
US20100172256A1 (en) 2010-07-08
EP2618530A1 (en) 2013-07-24
JP2012514937A (ja) 2012-06-28
EP2386162B1 (en) 2016-09-21
EP2618530B1 (en) 2018-03-14
JP2014195268A (ja) 2014-10-09
TWI431987B (zh) 2014-03-21
TW201108676A (en) 2011-03-01

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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]
B15K Others concerning applications: alteration of classification

Free format text: AS CLASSIFICACOES ANTERIORES ERAM: H04L 25/02 , H04B 7/02 , H04L 1/00

Ipc: H04B 7/0417 (2017.01), H04B 7/06 (1968.09), H04L 1

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: 10 (DEZ) ANOS CONTADOS A PARTIR DE 12/01/2021, OBSERVADAS AS CONDICOES LEGAIS.

B21F Lapse acc. art. 78, item iv - on non-payment of the annual fees in time

Free format text: REFERENTE A 13A ANUIDADE.

B24J Lapse because of non-payment of annual fees (definitively: art 78 iv lpi, resolution 113/2013 art. 12)

Free format text: EM VIRTUDE DA EXTINCAO PUBLICADA NA RPI 2698 DE 20-09-2022 E CONSIDERANDO AUSENCIA DE MANIFESTACAO DENTRO DOS PRAZOS LEGAIS, INFORMO QUE CABE SER MANTIDA A EXTINCAO DA PATENTE E SEUS CERTIFICADOS, CONFORME O DISPOSTO NO ARTIGO 12, DA RESOLUCAO 113/2013.