AU2002218139A1 - Method for improving a channel estimate in a radiocommunications system - Google Patents

Method for improving a channel estimate in a radiocommunications system

Info

Publication number
AU2002218139A1
AU2002218139A1 AU2002218139A AU1813902A AU2002218139A1 AU 2002218139 A1 AU2002218139 A1 AU 2002218139A1 AU 2002218139 A AU2002218139 A AU 2002218139A AU 1813902 A AU1813902 A AU 1813902A AU 2002218139 A1 AU2002218139 A1 AU 2002218139A1
Authority
AU
Australia
Prior art keywords
improving
channel estimate
radiocommunications system
radiocommunications
estimate
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.)
Abandoned
Application number
AU2002218139A
Other languages
English (en)
Inventor
Martin Haardt
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Siemens AG
Original Assignee
Siemens AG
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 Siemens AG filed Critical Siemens AG
Publication of AU2002218139A1 publication Critical patent/AU2002218139A1/en
Abandoned legal-status Critical Current

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
    • 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
    • H04L25/0248—Eigen-space methods
    • 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Power Engineering (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Variable-Direction Aerials And Aerial Arrays (AREA)
AU2002218139A 2000-10-16 2001-10-12 Method for improving a channel estimate in a radiocommunications system Abandoned AU2002218139A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE10051144.9 2000-10-16
DE10051144A DE10051144C2 (de) 2000-10-16 2000-10-16 Verfahren zur Verbesserung einer Kanalabschätzung in einem Funk-Kommunikationssystem
PCT/DE2001/003922 WO2002033852A2 (de) 2000-10-16 2001-10-12 Verfahren zur verbesserung einer kanalabschätzung in einem funk-kommunikationssytem

Publications (1)

Publication Number Publication Date
AU2002218139A1 true AU2002218139A1 (en) 2002-04-29

Family

ID=7659904

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2002218139A Abandoned AU2002218139A1 (en) 2000-10-16 2001-10-12 Method for improving a channel estimate in a radiocommunications system

Country Status (6)

Country Link
US (1) US20040110537A1 (de)
KR (1) KR20030044004A (de)
CN (1) CN1316756C (de)
AU (1) AU2002218139A1 (de)
DE (1) DE10051144C2 (de)
WO (1) WO2002033852A2 (de)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7068977B1 (en) * 2002-10-11 2006-06-27 Navini Networks, Inc. Method and system for interference assessment and reduction in a wireless communication system
US7065144B2 (en) 2003-08-27 2006-06-20 Qualcomm Incorporated Frequency-independent spatial processing for wideband MISO and MIMO systems
US9226308B2 (en) 2003-10-15 2015-12-29 Qualcomm Incorporated Method, apparatus, and system for medium access control
US8462817B2 (en) 2003-10-15 2013-06-11 Qualcomm Incorporated Method, apparatus, and system for multiplexing protocol data units
US8233462B2 (en) 2003-10-15 2012-07-31 Qualcomm Incorporated High speed media access control and direct link protocol
US8483105B2 (en) 2003-10-15 2013-07-09 Qualcomm Incorporated High speed media access control
US8842657B2 (en) 2003-10-15 2014-09-23 Qualcomm Incorporated High speed media access control with legacy system interoperability
US8903440B2 (en) 2004-01-29 2014-12-02 Qualcomm Incorporated Distributed hierarchical scheduling in an ad hoc network
US7818018B2 (en) 2004-01-29 2010-10-19 Qualcomm Incorporated Distributed hierarchical scheduling in an AD hoc network
US8077691B2 (en) * 2004-03-05 2011-12-13 Qualcomm Incorporated Pilot transmission and channel estimation for MISO and MIMO receivers in a multi-antenna system
US8315271B2 (en) 2004-03-26 2012-11-20 Qualcomm Incorporated Method and apparatus for an ad-hoc wireless communications system
KR20050106658A (ko) * 2004-05-06 2005-11-11 한국전자통신연구원 Ｏｆｄｍ／ｔｄｄ 방식의 하향링크용 고유빔을 형성하기위한 스마트 안테나 시스템 및 그 방법
KR20050106657A (ko) 2004-05-06 2005-11-11 한국전자통신연구원 Ｏｆｄｍ／ｔｄｄ 방식의 상향링크용 고유빔을 형성하기위한 스마트 안테나 시스템 및 그 방법
US7564814B2 (en) 2004-05-07 2009-07-21 Qualcomm, Incorporated Transmission mode and rate selection for a wireless communication system
US8401018B2 (en) 2004-06-02 2013-03-19 Qualcomm Incorporated Method and apparatus for scheduling in a wireless network
US7599978B2 (en) 2004-07-06 2009-10-06 Telefonaktiebolaget L M Ericsson (Publ) Digital signal decimation by subspace projection
US7882412B2 (en) 2004-10-05 2011-02-01 Sanjiv Nanda Enhanced block acknowledgement
US8600336B2 (en) 2005-09-12 2013-12-03 Qualcomm Incorporated Scheduling with reverse direction grant in wireless communication systems
CN1980088B (zh) * 2005-11-30 2011-06-22 东南大学 一种分布天线移动通信系统中的上行链路接收方法及设备
US9793967B2 (en) * 2013-11-21 2017-10-17 The Hong Kong University Of Science And Technology Weighted sum data rate maximization using linear transceivers in a full-duplex multi-user MIMO system

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2716761B1 (fr) * 1994-02-25 1996-03-22 Thomson Csf Procédé permettant une égalisation multivoie dans un récepteur radioélectrique en présence d'interférences et de multitrajets de propagation.
IT1284712B1 (it) * 1996-07-29 1998-05-21 Roberto Cusani Ricevitore map per trasmissioni numeriche ad alta velocita' attraverso canali di rayleigh rumorosi e dispersivi nel tempo e nella frequenza.
AU4238697A (en) * 1996-08-29 1998-03-19 Cisco Technology, Inc. Spatio-temporal processing for communication
FI106681B (fi) * 1997-08-29 2001-03-15 Nokia Networks Oy Parametrin estimointimenetelmä ja vastaanotin
DE19803188B4 (de) * 1998-01-28 2006-04-20 Siemens Ag Verfahren und Basisstation zur Datenübertragung in einem Funk-Kommunikationssystem
GB9828216D0 (en) * 1998-12-21 1999-02-17 Northern Telecom Ltd A downlink beamforming approach for frequency division duplex cellular systems
KR100615887B1 (ko) * 2000-04-07 2006-08-25 삼성전자주식회사 되먹임 기능을 갖는 무선 통신 시스템 및 그 방법
DE10032426B4 (de) * 2000-07-04 2006-01-12 Siemens Ag Strahlformungsverfahren
DE10032427A1 (de) * 2000-07-04 2002-01-24 Siemens Ag Verfahren und Vorrichtung zum Auswerten eines Funksignals
US20040018818A1 (en) * 2000-12-06 2004-01-29 Ari Hottinen Method for controlling the weighting of a data signal in the at least two antenna elements of a radio connection unit, radio connection unit, module and communications system
US6839574B2 (en) * 2000-12-20 2005-01-04 Arraycomm, Inc. Method and apparatus for estimating downlink beamforming weights in a communications system
US6970722B1 (en) * 2002-08-22 2005-11-29 Cisco Technology, Inc. Array beamforming with wide nulls

Also Published As

Publication number Publication date
DE10051144C2 (de) 2002-11-14
US20040110537A1 (en) 2004-06-10
WO2002033852A3 (de) 2002-09-06
CN1524357A (zh) 2004-08-25
CN1316756C (zh) 2007-05-16
KR20030044004A (ko) 2003-06-02
DE10051144A1 (de) 2002-04-25
WO2002033852A2 (de) 2002-04-25

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