PT2845323T - Atualizações de pesos de equalização mmse de domínio de requência (fd) eficazes num recetor de cancelamento de interferência paralela de múltiplos estádios - Google Patents

Atualizações de pesos de equalização mmse de domínio de requência (fd) eficazes num recetor de cancelamento de interferência paralela de múltiplos estádios

Info

Publication number
PT2845323T
PT2845323T PT137303244T PT13730324T PT2845323T PT 2845323 T PT2845323 T PT 2845323T PT 137303244 T PT137303244 T PT 137303244T PT 13730324 T PT13730324 T PT 13730324T PT 2845323 T PT2845323 T PT 2845323T
Authority
PT
Portugal
Prior art keywords
frequency domain
interference cancellation
stage parallel
parallel interference
efficient frequency
Prior art date
Application number
PT137303244T
Other languages
English (en)
Inventor
Eric Wang Yi-Pin
Original Assignee
Guangdong Oppo Mobile Telecommunications Corp 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 Guangdong Oppo Mobile Telecommunications Corp Ltd filed Critical Guangdong Oppo Mobile Telecommunications Corp Ltd
Publication of PT2845323T publication Critical patent/PT2845323T/pt

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/69—Spread spectrum techniques
    • H04B1/707—Spread spectrum techniques using direct sequence modulation
    • H04B1/7097—Interference-related aspects
    • H04B1/7103—Interference-related aspects the interference being multiple access interference
    • H04B1/7105—Joint detection techniques, e.g. linear detectors
    • H04B1/71055—Joint detection techniques, e.g. linear detectors using minimum mean squared error [MMSE] detector
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/69—Spread spectrum techniques
    • H04B1/707—Spread spectrum techniques using direct sequence modulation
    • H04B1/7097—Interference-related aspects
    • H04B1/7103—Interference-related aspects the interference being multiple access interference
    • H04B1/7107—Subtractive interference cancellation
    • H04B1/71072—Successive interference cancellation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/69—Spread spectrum techniques
    • H04B1/707—Spread spectrum techniques using direct sequence modulation
    • H04B1/7097—Interference-related aspects
    • H04B1/7103—Interference-related aspects the interference being multiple access interference
    • H04B1/7107—Subtractive interference cancellation
    • H04B1/71075—Parallel interference cancellation
    • 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
    • H04J—MULTIPLEX COMMUNICATION
    • H04J11/00—Orthogonal multiplex systems, e.g. using WALSH codes
    • H04J11/0023—Interference mitigation or co-ordination
    • H04J11/0026—Interference mitigation or co-ordination of multi-user interference
    • H04J11/0036—Interference mitigation or co-ordination of multi-user interference at the receiver
    • H04J11/004—Interference mitigation or co-ordination of multi-user interference at the receiver using regenerative subtractive interference cancellation

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Radio Transmission System (AREA)
PT137303244T 2012-05-04 2013-05-01 Atualizações de pesos de equalização mmse de domínio de requência (fd) eficazes num recetor de cancelamento de interferência paralela de múltiplos estádios PT2845323T (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US13/463,974 US9042428B2 (en) 2012-05-04 2012-05-04 Efficient frequency domain (FD) MMSE equalization weight updates in a multi-stage parallel interference cancellation receiver

Publications (1)

Publication Number Publication Date
PT2845323T true PT2845323T (pt) 2019-10-14

Family

ID=48670014

Family Applications (1)

Application Number Title Priority Date Filing Date
PT137303244T PT2845323T (pt) 2012-05-04 2013-05-01 Atualizações de pesos de equalização mmse de domínio de requência (fd) eficazes num recetor de cancelamento de interferência paralela de múltiplos estádios

Country Status (9)

Country Link
US (1) US9042428B2 (pt)
EP (2) EP2845323B1 (pt)
CN (1) CN104396148B (pt)
DK (1) DK2845323T3 (pt)
ES (1) ES2747478T3 (pt)
HU (1) HUE047611T2 (pt)
PL (1) PL2845323T3 (pt)
PT (1) PT2845323T (pt)
WO (1) WO2013164776A1 (pt)

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CN104813595A (zh) * 2012-11-15 2015-07-29 诺韦尔萨特有限公司 通信收发器中的回波消除
CN104918336A (zh) * 2014-03-12 2015-09-16 中兴通讯股份有限公司 一种干扰环境下随机接入信号的检测方法、装置和系统
US9641294B2 (en) * 2014-07-25 2017-05-02 Cisco Technology, Inc. System, method, and program for robust interference rejection combining
CN105577598A (zh) * 2014-10-17 2016-05-11 中兴通讯股份有限公司 在干扰条件下的lte上行系统的信号检测方法和装置
US9787356B2 (en) * 2015-09-22 2017-10-10 Nxp Usa, Inc. System and method for large dimension equalization using small dimension equalizers
CN107154831A (zh) * 2016-03-03 2017-09-12 晨星半导体股份有限公司 处理序列估测的装置及方法
US9667455B1 (en) 2016-03-23 2017-05-30 Nxp Usa, Inc. System and method for large dimension equalization using small dimension equalizers and bypassed equalizers
CN109314682B (zh) * 2016-04-01 2021-09-21 凝聚技术公司 正交时频空间调制信号的迭代二维均衡
US9967021B2 (en) 2016-07-14 2018-05-08 Suntrust Bank Systems and methods for signal cancellation in satellite communication
US10200071B1 (en) * 2017-08-07 2019-02-05 Kratos Integral Holdings, Llc System and method for interference reduction in radio communications
US10812250B2 (en) * 2017-09-29 2020-10-20 Hughes Network Systems, Llc Time-division multiple access with overlapped preamble
CN109756298A (zh) * 2017-11-03 2019-05-14 深圳超级数据链技术有限公司 一种译码方法及装置
WO2020066143A1 (ja) * 2018-09-26 2020-04-02 日本電気株式会社 基地局、システム、方法及び非一時的なコンピュータ可読媒体
US11929796B2 (en) * 2019-08-15 2024-03-12 Telefonaktiebolaget Lm Ericsson (Publ) Wireless device-autonomous PDSCH RX antenna adaptation
EP4283935A1 (en) * 2022-05-27 2023-11-29 Nokia Solutions and Networks Oy Interference rejection combining with reduced complexity

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WO2001075676A2 (en) * 2000-04-02 2001-10-11 Tangis Corporation Soliciting information based on a computer user's context
CN1155189C (zh) * 2001-10-09 2004-06-23 华为技术有限公司 双层加权并行干扰对消方法的简化方法
US7006719B2 (en) * 2002-03-08 2006-02-28 Infinera Corporation In-wafer testing of integrated optical components in photonic integrated circuits (PICs)
US7333575B2 (en) * 2003-03-06 2008-02-19 Nokia Corporation Method and apparatus for receiving a CDMA signal
US7492809B2 (en) * 2003-08-19 2009-02-17 Nokia Corporation Blind speech user interference cancellation (SUIC) for high speed downlink packet access (HSDPA)
KR100605861B1 (ko) * 2004-02-02 2006-08-01 삼성전자주식회사 다중 입력 다중 출력 방식을 사용하는 통신 시스템의 신호수신 장치 및 방법
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US20070110135A1 (en) * 2005-11-15 2007-05-17 Tommy Guess Iterative interference cancellation for MIMO-OFDM receivers
US7715864B2 (en) * 2006-09-13 2010-05-11 Telefonaktiebolaget L M Ericsson (Publ) Arrangement and method for contention-based multi-access in a wireless communication system
CN101212235A (zh) * 2007-12-24 2008-07-02 北京邮电大学 频域均衡联合干扰消除检测算法低复杂度的频域实现方法
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Also Published As

Publication number Publication date
PL2845323T3 (pl) 2020-01-31
WO2013164776A1 (en) 2013-11-07
DK2845323T3 (da) 2019-10-07
HUE047611T2 (hu) 2020-05-28
CN104396148A (zh) 2015-03-04
ES2747478T3 (es) 2020-03-10
EP2845323A1 (en) 2015-03-11
EP3621208A1 (en) 2020-03-11
CN104396148B (zh) 2017-05-03
US20130294494A1 (en) 2013-11-07
EP3621208B1 (en) 2020-12-02
US9042428B2 (en) 2015-05-26
EP2845323B1 (en) 2019-09-11

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