DE602006007773D1 - Gemeinsame Raum-Zeit optimale Filter zur Interferenzunterdrückung - Google Patents

Gemeinsame Raum-Zeit optimale Filter zur Interferenzunterdrückung

Info

Publication number
DE602006007773D1
DE602006007773D1 DE602006007773T DE602006007773T DE602006007773D1 DE 602006007773 D1 DE602006007773 D1 DE 602006007773D1 DE 602006007773 T DE602006007773 T DE 602006007773T DE 602006007773 T DE602006007773 T DE 602006007773T DE 602006007773 D1 DE602006007773 D1 DE 602006007773D1
Authority
DE
Germany
Prior art keywords
space
filter circuit
interference suppression
common space
time optimal
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
DE602006007773T
Other languages
English (en)
Inventor
Huan Wu
Sean Simmons
Zoltan Kemenczy
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.)
BlackBerry Ltd
Original Assignee
Research in Motion 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 Research in Motion Ltd filed Critical Research in Motion Ltd
Publication of DE602006007773D1 publication Critical patent/DE602006007773D1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B7/00Radio transmission systems, i.e. using radiation field
    • H04B7/02Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/08Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station
    • H04B7/0837Diversity 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
    • H04B7/0842Weighted combining
    • H04B7/0848Joint weighting
    • H04B7/0854Joint weighting using error minimizing algorithms, e.g. minimum mean squared error [MMSE], "cross-correlation" or matrix inversion
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B1/00Details 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
    • H04B1/38Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
    • H04B1/40Circuits
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03HIMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H17/00Networks using digital techniques
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00Baseband systems
    • H04L25/02Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/03Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
    • H04L25/03006Arrangements for removing intersymbol interference
    • H04L25/03178Arrangements involving sequence estimation techniques
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00Baseband systems
    • H04L25/02Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/03Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
    • H04L25/03006Arrangements for removing intersymbol interference
    • H04L2025/03433Arrangements for removing intersymbol interference characterised by equaliser structure
    • H04L2025/03535Variable structures
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00Baseband systems
    • H04L25/02Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/0202Channel estimation
    • H04L25/024Channel estimation channel estimation algorithms
    • H04L25/0242Channel estimation channel estimation algorithms using matrix methods

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Radio Transmission System (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Burglar Alarm Systems (AREA)
  • Transmitters (AREA)
  • Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
  • Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)
  • Networks Using Active Elements (AREA)
  • Noise Elimination (AREA)
  • Control Of Motors That Do Not Use Commutators (AREA)
  • Transceivers (AREA)
  • Mobile Radio Communication Systems (AREA)
DE602006007773T 2005-08-15 2006-05-25 Gemeinsame Raum-Zeit optimale Filter zur Interferenzunterdrückung Active DE602006007773D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA002516000A CA2516000A1 (en) 2005-08-15 2005-08-15 Joint space-time optimum filters (jstof) with at least one virtual antenna, at least one channel, and joint filter weight and cir estimation

Publications (1)

Publication Number Publication Date
DE602006007773D1 true DE602006007773D1 (de) 2009-08-27

Family

ID=36710707

Family Applications (2)

Application Number Title Priority Date Filing Date
DE602006007773T Active DE602006007773D1 (de) 2005-08-15 2006-05-25 Gemeinsame Raum-Zeit optimale Filter zur Interferenzunterdrückung
DE602006015067T Active DE602006015067D1 (de) 2005-08-15 2006-05-25 Verbundene raum-zeit-optimalfilter (jstof) mit mindestens einer antenne, mindestens einem kanal und verbund-filtergewichts- und cir-schätzung

Family Applications After (1)

Application Number Title Priority Date Filing Date
DE602006015067T Active DE602006015067D1 (de) 2005-08-15 2006-05-25 Verbundene raum-zeit-optimalfilter (jstof) mit mindestens einer antenne, mindestens einem kanal und verbund-filtergewichts- und cir-schätzung

Country Status (10)

Country Link
EP (2) EP1922889B1 (de)
JP (1) JP4846802B2 (de)
KR (1) KR101035307B1 (de)
CN (1) CN101283611B (de)
AT (1) ATE472217T1 (de)
AU (1) AU2006281929B2 (de)
BR (1) BRPI0614345A2 (de)
CA (1) CA2516000A1 (de)
DE (2) DE602006007773D1 (de)
WO (1) WO2007019667A1 (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103248595B (zh) * 2013-05-08 2016-01-20 桂林电子科技大学 一种自适应同址干扰抵消方法和装置
CN112806095A (zh) * 2018-09-27 2021-05-14 中兴通讯股份有限公司 基于地理位置的跟踪区域管理
CN114157329B (zh) * 2020-09-08 2022-10-21 中国移动通信有限公司研究院 一种信号接收方法、设备及存储介质

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4201439A1 (de) * 1992-01-21 1993-07-22 Daimler Benz Ag Verfahren und anordnung zur uebertragung hoher datenraten fuer den digitalen rundfunk
US6081566A (en) * 1994-08-02 2000-06-27 Ericsson, Inc. Method and apparatus for interference rejection with different beams, polarizations, and phase references
US5821988A (en) * 1995-08-29 1998-10-13 Zenith Electronics Corporation NTSC co-channel interference reduction system
JPH1051363A (ja) * 1996-07-29 1998-02-20 Yuseisho Tsushin Sogo Kenkyusho ビタビ等化器
US6314147B1 (en) * 1997-11-04 2001-11-06 The Board Of Trustees Of The Leland Stanford Junior University Two-stage CCI/ISI reduction with space-time processing in TDMA cellular networks
JP2002267732A (ja) * 2001-03-12 2002-09-18 Mitsubishi Electric Corp パッシブ位置標定方法およびパッシブ位置標定装置
US7359466B2 (en) * 2001-08-24 2008-04-15 Lucent Technologies Inc. Signal detection by a receiver in a multiple antenna time-dispersive system
US7031411B2 (en) * 2001-09-19 2006-04-18 Telefonaktiebolaget L.M. Ericsson Methods and apparatus for canceling co-channel interference in a receiving system using spatio-temporal whitening
EP1540763B1 (de) * 2002-08-21 2007-04-18 Zyray Wireless, Inc. Antennengruppe mit virtuellen antennenelementen und zugehörige methode
DE60215945T2 (de) * 2002-09-26 2007-06-21 Lucent Technologies Inc. Entzerrer mit zwei Raum-Zeit Filtern und mit einem Selektor zum Wählen des Filters mit der besten Symbolschätzung
US7250905B2 (en) * 2003-04-09 2007-07-31 Mano Dorsey Judd Virtual antenna technology (VAT) and applications
AU2003245945A1 (en) * 2003-06-13 2005-01-04 Docomo Communications Laboratories Europe Gmbh Joint optimization of pre and postfilter coefficients
JP4806170B2 (ja) * 2003-06-19 2011-11-02 三星電子株式会社 コチャンネル干渉を検出し、選択的にフィルタリングする装置及び方法
US7065144B2 (en) * 2003-08-27 2006-06-20 Qualcomm Incorporated Frequency-independent spatial processing for wideband MISO and MIMO systems
US20050250466A1 (en) * 2004-04-26 2005-11-10 Hellosoft Inc. Method and apparatus for improving MLSE in the presence of co-channel interferer for GSM/GPRS systems
CN1735079A (zh) * 2004-08-09 2006-02-15 皇家飞利浦电子股份有限公司 用于实现多路并行传输的空间信道编、解码方法及装置

Also Published As

Publication number Publication date
ATE472217T1 (de) 2010-07-15
EP1922889A4 (de) 2008-07-30
EP1755298A1 (de) 2007-02-21
BRPI0614345A2 (pt) 2011-03-22
EP1922889A1 (de) 2008-05-21
DE602006015067D1 (de) 2010-08-05
EP1922889B1 (de) 2010-06-23
EP1755298B1 (de) 2009-07-15
KR101035307B1 (ko) 2011-05-19
WO2007019667A1 (en) 2007-02-22
AU2006281929A1 (en) 2007-02-22
CN101283611A (zh) 2008-10-08
CN101283611B (zh) 2012-07-18
JP2009505524A (ja) 2009-02-05
CA2516000A1 (en) 2007-02-15
AU2006281929B2 (en) 2010-01-21
JP4846802B2 (ja) 2011-12-28
KR20080034043A (ko) 2008-04-17

Similar Documents

Publication Publication Date Title
EP1376539B8 (de) Rauschunterdrücker
WO2008058059A3 (en) Narrow-band interference canceller
TW200610287A (en) Adaptive interference filtering
MXPA05008763A (es) Receptor de comunicacion con un ecualizador adaptivo que utiliza calculo de canal.
IL191093A0 (en) Pilot signal transmission for an orthogonal frequency division wireless communication system
HUE040663T2 (hu) Pilotjel továbbítása ortogonális frekvenciaosztásos vezeték nélküli kommunikációs rendszernek
PL1859591T3 (pl) Transmisja sygnału pilota dla systemu komunikacji bezprzewodowej z ortogonalnym podziałem częstotliwości
WO2007021952A3 (en) Channel estimation for wireless communication
EP1950923A3 (de) Kanalschätzung mit anpassbarer Leistung für ein Mehrweg-Empfangssystem
TW200640202A (en) Apparatus and method of canceling interference
TW200501572A (en) Communication receiver with an adaptive equalizer length
JP2017502614A5 (de)
DE10394065D2 (de) Unterdrückung der Nachbarkanalinterferenz durch adaptive Kanalfilterung in Mobilfunkempfängern
DE602006007773D1 (de) Gemeinsame Raum-Zeit optimale Filter zur Interferenzunterdrückung
SG143204A1 (en) System and method for reducing uplink noise
ATE452497T1 (de) Gemeinsamer raum-zeit optimaler filter zur interferenzunterdrückung
FR2890276B3 (fr) Oreillette emettrice/receptrice a faible bruit
DE602004028544D1 (de) Interferenzsignalerkennung und Kanalschätzung für drahtlose Kommunikationsnetze
WO2007019679A3 (en) Wireless communications device including a joint space-time optimum filter (jstof) using cholesky and eigenvalue decompositions
DE602007006821D1 (de) Digitaler FSK Empfänger welcher ein adaptives Filter umgeht wenn die Störer kleiner sind als das gültige Empfangssignal
AU2003278043A8 (en) Cascade filter receiver for ds-cdma communication systems
ATE534205T1 (de) Gemeinsame otpimale raum-zeit-filter (jstof) mit mindestens einer antenne, mindestens einem kanal und gemeinsamem filtergewicht und cir-beurteilung
ATE543342T1 (de) Anti-rückkopplungsvorrichtung und anti- rückkopplungsverfahren
GB0315169D0 (en) Reduced complexity adaptive filter implementation
DE602006011624D1 (de) Gemeinsame optimale raum-zeit-filter (jstof), die die einzelwertzerlegung verwenden (svd)

Legal Events

Date Code Title Description
8364 No opposition during term of opposition