ATE527762T1 - Verfahren und vorrichtung zur interferenzunterdrückungskombination und erkennung - Google Patents

Verfahren und vorrichtung zur interferenzunterdrückungskombination und erkennung

Info

Publication number
ATE527762T1
ATE527762T1 AT08847556T AT08847556T ATE527762T1 AT E527762 T1 ATE527762 T1 AT E527762T1 AT 08847556 T AT08847556 T AT 08847556T AT 08847556 T AT08847556 T AT 08847556T AT E527762 T1 ATE527762 T1 AT E527762T1
Authority
AT
Austria
Prior art keywords
base station
serving base
channel estimates
receiver
detection
Prior art date
Application number
AT08847556T
Other languages
English (en)
Inventor
Bengt Lindoff
Johan Nilsson
Leif Wilhelmsson
Fredrik Nordstroem
Original Assignee
Ericsson Telefon Ab L M
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 Ericsson Telefon Ab L M filed Critical Ericsson Telefon Ab L M
Application granted granted Critical
Publication of ATE527762T1 publication Critical patent/ATE527762T1/de

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
    • H04B7/08—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
    • H04B7/086—Weighted combining using weights depending on external parameters, e.g. direction of arrival [DOA], predetermined weights or beamforming
    • 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
    • H04J11/005—Interference mitigation or co-ordination of intercell interference
    • 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
    • H04L25/022—Channel estimation of frequency response
    • 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
    • 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
    • H04B—TRANSMISSION
    • H04B17/00—Monitoring; Testing
    • H04B17/30—Monitoring; Testing of propagation channels
    • H04B17/309—Measuring or estimating channel quality parameters
    • H04B17/345—Interference values
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J11/00—Orthogonal multiplex systems, e.g. using WALSH codes
    • H04J11/0069—Cell search, i.e. determining cell identity [cell-ID]
    • H04J11/0093—Neighbour cell search

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Radio Transmission System (AREA)
AT08847556T 2007-11-07 2008-11-06 Verfahren und vorrichtung zur interferenzunterdrückungskombination und erkennung ATE527762T1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US98614307P 2007-11-07 2007-11-07
US12/138,743 US8023600B2 (en) 2007-11-07 2008-06-13 Method and apparatus for interference rejection combining and detection
PCT/EP2008/065045 WO2009060023A2 (en) 2007-11-07 2008-11-06 Method and apparatus for interference rejection combining and detection

Publications (1)

Publication Number Publication Date
ATE527762T1 true ATE527762T1 (de) 2011-10-15

Family

ID=40588064

Family Applications (1)

Application Number Title Priority Date Filing Date
AT08847556T ATE527762T1 (de) 2007-11-07 2008-11-06 Verfahren und vorrichtung zur interferenzunterdrückungskombination und erkennung

Country Status (4)

Country Link
US (1) US8023600B2 (de)
EP (1) EP2218195B1 (de)
AT (1) ATE527762T1 (de)
WO (1) WO2009060023A2 (de)

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US8355921B2 (en) * 2008-06-13 2013-01-15 Nokia Corporation Method, apparatus and computer program product for providing improved audio processing
US10111111B2 (en) 2009-11-19 2018-10-23 Qualcomm Incorporated Per-cell timing and/or frequency acquisition and their use on channel estimation in wireless networks
EP2510635A4 (de) * 2009-12-09 2013-06-05 Ericsson Telefon Ab L M Verfahren und anordnung für verbesserte interferenzabweisungskombination
US8582624B2 (en) * 2010-10-01 2013-11-12 Telefonaktiebolaget Lm Ericsson (Publ) Method and apparatus for enhancing the accuracy of the estimated covariance matrix in wideband-CDMA systems
CN102480314A (zh) * 2010-11-23 2012-05-30 中兴通讯股份有限公司 一种自适应多天线分集合并干扰消除方法及装置
ES2429239B1 (es) 2011-09-19 2014-06-05 Telefónica, S.A. Método para minimizar la interferencia intercelular en una implementación de lte
US9083415B2 (en) * 2011-10-24 2015-07-14 Qualcomm Incorporated Method and device for antenna searching with antenna selection
GB2490191B (en) 2012-01-23 2014-01-08 Renesas Mobile Corp Method, processing system and computer program for calculating a noise covariance estimate
US9401826B2 (en) * 2012-02-17 2016-07-26 Sony Corporation Signal processing unit employing a blind channel estimation algorithm and method of operating a receiver apparatus
CN103378883B (zh) * 2012-04-19 2016-09-28 电信科学技术研究院 一种上行mu-mimo条件下的频域均衡方法及装置
CN103873129B (zh) * 2012-12-14 2017-04-05 京信通信系统（中国）有限公司 自适应分集合并方法和装置
GB2510188A (en) * 2013-01-29 2014-07-30 Broadcom Corp Estimating noise covariance from signal covariance for use in PBCH intercell interference cancellation in systems with two interfering cells
US9571242B2 (en) 2013-04-26 2017-02-14 Intel Deutschland Gmbh Methods and devices for mitigating interference
KR102183077B1 (ko) * 2013-12-30 2020-11-25 삼성전자주식회사 무선 통신 시스템에서 다중 사용자 간섭을 제거하는 장치 및 방법
EP3231102A1 (de) * 2014-12-11 2017-10-18 Huawei Technologies Co., Ltd. Verfahren und vorrichtung zur interferenzschätzung in drahtloskommunikationsnetzwerken
CN105072063B (zh) * 2015-07-10 2018-05-18 大唐移动通信设备有限公司 一种抑制干扰信号的方法和装置
US10805869B2 (en) * 2017-08-25 2020-10-13 Qualcomm Incorporated Techniques and apparatuses for search, measurement, and icon display in new radio non-standalone mode
US11652667B2 (en) * 2020-11-25 2023-05-16 Silicon Laboratories Inc. System and method for detecting of channel conditions and channel estimation in an orthogonal frequency division multiplexing (OFDM) receiver
US12489496B2 (en) * 2023-10-19 2025-12-02 Qualcomm Incorporated Interference rejection combining using precoding resource group parameter

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE518224C2 (sv) * 1997-06-24 2002-09-10 Ericsson Telefon Ab L M Sätt och system i ett cellbaserat nät
US6922434B2 (en) * 1999-10-19 2005-07-26 Ericsson Inc. Apparatus and methods for finger delay selection in RAKE receivers
US6842476B2 (en) * 2001-02-09 2005-01-11 Telefonaktiebolaget Lm Ericsson (Publ) Co-channel interference canceller
US7236514B2 (en) * 2001-10-01 2007-06-26 Ericsson, Inc. Communications methods, apparatus and computer program products using gain multipliers
GB0222046D0 (en) * 2002-09-23 2002-10-30 Nokia Corp Receiving method and receiver
US7397842B2 (en) * 2003-09-26 2008-07-08 Telefonaktiebolaget Lm Ericsson (Publ) Method and apparatus for combining weight computation in a DS-CDMA RAKE receiver
GB2407008B (en) 2003-10-10 2006-01-18 Toshiba Res Europ Ltd A mimo communication system
KR100621432B1 (ko) * 2004-04-21 2006-09-08 삼성전자주식회사 복수의 송신 안테나들을 사용하는 다중셀 직교 주파수분할 다중 방식 통신시스템에서 채널 추정 장치 및 방법
US7684529B2 (en) * 2005-05-26 2010-03-23 Intel Corporation Interference rejection in wireless networks
US8000420B2 (en) * 2005-06-24 2011-08-16 Telefonaktiebolaget L M Ericsson (Publ) System and method of joint synchronization and noise covariance estimation
KR100896442B1 (ko) * 2005-12-23 2009-05-14 삼성전자주식회사 광대역 무선 통신시스템에서 인접 셀의 간섭을 제거하기위한 장치 및 방법
WO2007108629A1 (en) * 2006-03-20 2007-09-27 Samsung Electronics Co., Ltd. Apparatus and method for canceling neighbor cell interference in broadband wireless communication system
US7729315B2 (en) * 2006-06-23 2010-06-01 Telefonaktiebolaget L M Ericsson (Publ) System and method of performing cell measurements in a telecommunications system
FI20070156A0 (fi) * 2007-02-23 2007-02-23 Nokia Corp Vastaanottomenetelmä ja vastaanotin

Also Published As

Publication number Publication date
US20090116568A1 (en) 2009-05-07
US8023600B2 (en) 2011-09-20
WO2009060023A3 (en) 2009-08-13
EP2218195A2 (de) 2010-08-18
EP2218195B1 (de) 2011-10-05
WO2009060023A2 (en) 2009-05-14

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