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

Info

Publication number
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
Authority
KR
South Korea
Prior art keywords
covariance matrix
filter
res
mimo
signal
Prior art date
Legal status (The legal status 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 status listed.)
Active
Application number
KR1020167028050A
Other languages
English (en)
Korean (ko)
Other versions
KR20160135248A (ko
Inventor
이길봄
강지원
김기태
김희진
Original Assignee
엘지전자 주식회사
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 엘지전자 주식회사 filed Critical 엘지전자 주식회사
Publication of KR20160135248A publication Critical patent/KR20160135248A/ko
Application granted granted Critical
Publication of KR101857669B1 publication Critical patent/KR101857669B1/ko
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • 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
    • 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
    • H04B7/0837—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station using pre-detection combining
    • H04B7/0842—Weighted combining
    • H04B7/0848—Joint weighting
    • H04B7/0854—Joint weighting using error minimizing algorithms, e.g. minimum mean squared error [MMSE], "cross-correlation" or matrix inversion
    • 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Power Engineering (AREA)
  • Quality & Reliability (AREA)
  • Physics & Mathematics (AREA)
  • Mathematical Physics (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

Publications (2)

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

Family

ID=54392672

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020167028050A Active KR101857669B1 (ko) 2014-05-06 2015-04-30 공분산 행렬을 적응적으로 이용하여 그룹 단위의 전처리 필터를 공유하는 mimo 수신기의 복잡도를 낮추는 방법

Country Status (5)

Country Link
US (1) US9705582B2 (https=)
EP (1) EP3142263B1 (https=)
JP (1) JP6640741B2 (https=)
KR (1) KR101857669B1 (https=)
WO (1) WO2015170857A1 (https=)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10979151B2 (en) 2019-05-22 2021-04-13 At&T Intellectual Property I, L.P. Multidimensional grid sampling for radio frequency power feedback
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
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
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
US20240356616A1 (en) * 2023-04-17 2024-10-24 Samsung Electronics Co., Ltd. Wifi csi preprocessing for sensing applications
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

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1861918B1 (en) 2005-03-14 2013-08-21 TTI Inventions C LLC Iterative mimo receiver using group-wise demapping
US20120114054A1 (en) 2007-04-17 2012-05-10 Texas Instruments Incorporated Systems and Methods for Low-Complexity Max-Log MIMO Detection
US9350478B2 (en) * 2009-04-24 2016-05-24 Sharp Kabushiki Kaisha Wireless communication system, wireless communication device, and wireless communication method
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
GB2506644B (en) 2012-10-05 2014-11-05 Broadcom Corp Method, apparatus and computer program for controlling a receiver
US9407302B2 (en) * 2012-12-03 2016-08-02 Intel Corporation Communication device, mobile terminal, method for requesting information and method for providing information
DE102013110833B4 (de) * 2013-09-30 2018-10-18 Intel IP Corporation Verfahren und Vorrichtungen zum Bestimmen von effektiven gegenseitigen Informationen
US9160383B2 (en) * 2013-11-12 2015-10-13 Huawei Technologies Co., Ltd. Method for estimating covariance matrices and use thereof
WO2015133711A1 (en) * 2014-03-06 2015-09-11 Lg Electronics Inc. Method for processing received signal of mimo receiver

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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

Also Published As

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

Similar Documents

Publication Publication Date Title
KR101857669B1 (ko) 공분산 행렬을 적응적으로 이용하여 그룹 단위의 전처리 필터를 공유하는 mimo 수신기의 복잡도를 낮추는 방법
KR101857668B1 (ko) Mimo 수신기의 전처리 필터를 이용한 수신 신호 처리 방법
KR102326701B1 (ko) Mimo 수신기가 mimo 송신기와의 통신을 위한 파라미터를 결정하는 방법
KR102034591B1 (ko) Mimo 송신기가 사용자를 위한 자원을 할당하는 방법 및 자원을 이용해 데이터를 전송할 사용자를 스케쥴링하는 방법
JP6509242B2 (ja) Ｍｉｍｏ受信機の受信信号処理方法
KR101909037B1 (ko) Mimo 수신기가 re 그룹 단위로 복수의 레이어를 정렬하여 수신 신호를 처리하는 방법
KR102264026B1 (ko) Mimo 수신기의 수신 신호 처리 방법
KR101857671B1 (ko) Mimo 송신기에서 re 그룹을 형성하는 방법
KR101857670B1 (ko) Mimo 수신기에서 re 그룹을 형성하여 수신 신호를 처리하는 방법

Legal Events

Date Code Title Description
A201 Request for examination
PA0105 International application

St.27 status event code: A-0-1-A10-A15-nap-PA0105

PA0201 Request for examination

St.27 status event code: A-1-2-D10-D11-exm-PA0201

PG1501 Laying open of application

St.27 status event code: A-1-1-Q10-Q12-nap-PG1501

D13-X000 Search requested

St.27 status event code: A-1-2-D10-D13-srh-X000

D14-X000 Search report completed

St.27 status event code: A-1-2-D10-D14-srh-X000

E902 Notification of reason for refusal
PE0902 Notice of grounds for rejection

St.27 status event code: A-1-2-D10-D21-exm-PE0902

P11-X000 Amendment of application requested

St.27 status event code: A-2-2-P10-P11-nap-X000

P13-X000 Application amended

St.27 status event code: A-2-2-P10-P13-nap-X000

E701 Decision to grant or registration of patent right
PE0701 Decision of registration

St.27 status event code: A-1-2-D10-D22-exm-PE0701

GRNT Written decision to grant
PR0701 Registration of establishment

St.27 status event code: A-2-4-F10-F11-exm-PR0701

PR1002 Payment of registration fee

St.27 status event code: A-2-2-U10-U12-oth-PR1002

Fee payment year number: 1

PG1601 Publication of registration

St.27 status event code: A-4-4-Q10-Q13-nap-PG1601

PN2301 Change of applicant

St.27 status event code: A-5-5-R10-R13-asn-PN2301

St.27 status event code: A-5-5-R10-R11-asn-PN2301

PR1001 Payment of annual fee

St.27 status event code: A-4-4-U10-U11-oth-PR1001

Fee payment year number: 4

PR1001 Payment of annual fee

St.27 status event code: A-4-4-U10-U11-oth-PR1001

Fee payment year number: 5

PR1001 Payment of annual fee

St.27 status event code: A-4-4-U10-U11-oth-PR1001

Fee payment year number: 6

PR1001 Payment of annual fee

St.27 status event code: A-4-4-U10-U11-oth-PR1001

Fee payment year number: 7

PR1001 Payment of annual fee

St.27 status event code: A-4-4-U10-U11-oth-PR1001

Fee payment year number: 8

P22-X000 Classification modified

St.27 status event code: A-4-4-P10-P22-nap-X000

PR1001 Payment of annual fee

St.27 status event code: A-4-4-U10-U11-oth-PR1001

Fee payment year number: 9

U11 Full renewal or maintenance fee paid

Free format text: ST27 STATUS EVENT CODE: A-4-4-U10-U11-OTH-PR1001 (AS PROVIDED BY THE NATIONAL OFFICE)

Year of fee payment: 9