KR101857669B1 - 공분산 행렬을 적응적으로 이용하여 그룹 단위의 전처리 필터를 공유하는 mimo 수신기의 복잡도를 낮추는 방법 - Google Patents

공분산 행렬을 적응적으로 이용하여 그룹 단위의 전처리 필터를 공유하는 mimo 수신기의 복잡도를 낮추는 방법 Download PDF

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KR101857669B1
KR101857669B1 KR1020167028050A KR20167028050A KR101857669B1 KR 101857669 B1 KR101857669 B1 KR 101857669B1 KR 1020167028050 A KR1020167028050 A KR 1020167028050A KR 20167028050 A KR20167028050 A KR 20167028050A KR 101857669 B1 KR101857669 B1 KR 101857669B1
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covariance matrix
filter
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mimo
signal
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KR20160135248A (ko
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이길봄
강지원
김기태
김희진
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엘지전자 주식회사
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    • 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
    • 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
    • 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
    • H04B7/08—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving 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
    • 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
    • H04L25/021—Estimation of channel covariance
    • 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
    • H04L25/03891—Spatial equalizers
    • 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
    • H04L5/0048—Allocation of pilot signals, i.e. of signals known to the receiver
    • 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
    • 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
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/0202—Channel estimation
    • H04L25/0224—Channel estimation using sounding signals
    • H04L25/0228—Channel estimation using sounding signals with direct estimation from sounding signals

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  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Power Engineering (AREA)
  • Quality & Reliability (AREA)
  • Radio Transmission System (AREA)
KR1020167028050A 2014-05-06 2015-04-30 공분산 행렬을 적응적으로 이용하여 그룹 단위의 전처리 필터를 공유하는 mimo 수신기의 복잡도를 낮추는 방법 Active KR101857669B1 (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201461989463P 2014-05-06 2014-05-06
US61/989,463 2014-05-06
PCT/KR2015/004419 WO2015170857A1 (ko) 2014-05-06 2015-04-30 공분산 행렬을 적응적으로 이용하여 그룹 단위의 전처리 필터를 공유하는 mimo 수신기의 복잡도를 낮추는 방법

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KR20160135248A KR20160135248A (ko) 2016-11-25
KR101857669B1 true KR101857669B1 (ko) 2018-05-14

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US (1) US9705582B2 (enExample)
EP (1) EP3142263B1 (enExample)
JP (1) JP6640741B2 (enExample)
KR (1) KR101857669B1 (enExample)
WO (1) WO2015170857A1 (enExample)

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US10979151B2 (en) 2019-05-22 2021-04-13 At&T Intellectual Property I, L.P. Multidimensional grid sampling for radio frequency power feedback
US11824637B2 (en) 2019-05-22 2023-11-21 At&T Intellectual Property I, L.P. Generating wireless reference signals in a different domain for transmission
US10886991B2 (en) * 2019-05-22 2021-01-05 At&T Intellectual Property I, L.P. Facilitating sparsity adaptive feedback in the delay doppler domain in advanced networks
US11050530B2 (en) 2019-06-27 2021-06-29 At&T Intellectual Property I, L.P. Generating wireless reference signals in a different domain for transmission with a collapsed time-frequency grid
CN113141229B (zh) * 2020-01-20 2022-07-01 大唐移动通信设备有限公司 一种干扰抑制方法及装置
CN111931596B (zh) * 2020-07-17 2023-05-09 北京理工大学 一种基于代数图论的群目标分群方法
CN111865385B (zh) * 2020-07-20 2021-07-02 电子科技大学 一种基于fpga的二维平面阵数字波束形成方法
CN113395092B (zh) * 2021-05-21 2022-06-10 南京恒中信息技术有限公司 改善Massive MIMO系统检测能力的方法和系统
CN114337745A (zh) * 2022-01-10 2022-04-12 重庆邮电大学 一种模型驱动深度学习的大规模mimo信号检测方法
KR20250110552A (ko) * 2024-01-12 2025-07-21 삼성전자주식회사 무선 통신 시스템에서 간섭의 제거를 위한 장치, 방법, 및 저장 매체
CN119854071B (zh) * 2024-12-30 2025-10-31 华中科技大学 一种稀疏化信道矩阵的信号检测方法及设备

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US20090213945A1 (en) * 2008-02-25 2009-08-27 Cairns Douglas A Reduced Complexity Parametric Covariance Estimation for Precoded MIMO Transmissions
US20110307611A1 (en) * 2010-06-15 2011-12-15 Futurewei Technologies, Inc. System and Method for Punctured Pilot Transmission in a Wireless Network
WO2013155908A1 (zh) * 2012-04-18 2013-10-24 电信科学技术研究院 一种re检测方法及装置

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US20120114054A1 (en) 2007-04-17 2012-05-10 Texas Instruments Incorporated Systems and Methods for Low-Complexity Max-Log MIMO Detection
MX2011011046A (es) * 2009-04-24 2011-11-02 Sharp Kk Sistema de comunicacion inalambrica, dispositivo de comunicacion inalambrica, y metodo de comunicacion inalambrica.
US8737539B2 (en) 2010-03-01 2014-05-27 Tt Government Solutions, Inc. Low complexity iterative MIMO receiver based on successive soft interference cancellation and MMSE spatial filtering
JP5432208B2 (ja) * 2011-04-25 2014-03-05 株式会社Ｎｔｔドコモ 移動通信端末
GB201107363D0 (en) * 2011-05-03 2011-06-15 Renesas Mobile Corp Method and apparatus for configuring resource elements for the provision of channel state information reference signals
EP2547022A1 (en) * 2011-07-13 2013-01-16 Intel Mobile Communications Technology Dresden GmbH Method and apparatus for determining channel state information
US9124464B2 (en) * 2011-08-30 2015-09-01 Samsung Electronics Co., Ltd. Methods and apparatus for channel estimation in MIMO-OFDM communication system
JP2014068094A (ja) * 2012-09-25 2014-04-17 Nagoya Institute Of Technology 受信装置、受信方法およびプログラム
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US20110307611A1 (en) * 2010-06-15 2011-12-15 Futurewei Technologies, Inc. System and Method for Punctured Pilot Transmission in a Wireless Network
WO2013155908A1 (zh) * 2012-04-18 2013-10-24 电信科学技术研究院 一种re检测方法及装置

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Publication number Publication date
KR20160135248A (ko) 2016-11-25
WO2015170857A1 (ko) 2015-11-12
JP6640741B2 (ja) 2020-02-05
JP2017520956A (ja) 2017-07-27
US20170041061A1 (en) 2017-02-09
EP3142263A1 (en) 2017-03-15
US9705582B2 (en) 2017-07-11
EP3142263B1 (en) 2020-02-19
EP3142263A4 (en) 2018-01-03

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