ATE447799T1 - Multimodus-empfänger mit adaptiver modusauswahl - Google Patents

Multimodus-empfänger mit adaptiver modusauswahl

Info

Publication number
ATE447799T1
ATE447799T1 AT07101765T AT07101765T ATE447799T1 AT E447799 T1 ATE447799 T1 AT E447799T1 AT 07101765 T AT07101765 T AT 07101765T AT 07101765 T AT07101765 T AT 07101765T AT E447799 T1 ATE447799 T1 AT E447799T1
Authority
AT
Austria
Prior art keywords
looking
receiver
mode
receiver processing
adaptive
Prior art date
Application number
AT07101765T
Other languages
English (en)
Inventor
Huan Wu
Sean Simmons
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
Application granted granted Critical
Publication of ATE447799T1 publication Critical patent/ATE447799T1/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
    • H04B7/0848—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
    • H04L27/00—Modulated-carrier systems
    • H04L27/0008—Modulated-carrier systems arrangements for allowing a transmitter or receiver to use more than one type of modulation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/02—Arrangements for detecting or preventing errors in the information received by diversity reception
    • H04L1/06—Arrangements for detecting or preventing errors in the information received by diversity reception using space diversity
    • H04L1/0618—Space-time coding
    • H04L1/0631—Receiver arrangements
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00—Reducing energy consumption in communication networks
    • Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Radio Transmission System (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Circuits Of Receivers In General (AREA)
  • Noise Elimination (AREA)
AT07101765T 2007-02-05 2007-02-05 Multimodus-empfänger mit adaptiver modusauswahl ATE447799T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP07101765A EP1953925B1 (de) 2007-02-05 2007-02-05 Multimodus-Empfänger mit adaptiver Modusauswahl

Publications (1)

Publication Number Publication Date
ATE447799T1 true ATE447799T1 (de) 2009-11-15

Family

ID=38179748

Family Applications (1)

Application Number Title Priority Date Filing Date
AT07101765T ATE447799T1 (de) 2007-02-05 2007-02-05 Multimodus-empfänger mit adaptiver modusauswahl

Country Status (10)

Country Link
EP (1) EP1953925B1 (de)
JP (2) JP4959595B2 (de)
KR (1) KR100983570B1 (de)
CN (1) CN101242211B (de)
AT (1) ATE447799T1 (de)
AU (1) AU2008200497C1 (de)
CA (1) CA2618932C (de)
DE (1) DE602007003072D1 (de)
MX (1) MX2008001748A (de)
TW (1) TWI361585B (de)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8873685B2 (en) 2010-11-27 2014-10-28 Qualcomm Incorporated Apparatus and method for mitigation of receive power imbalance on equalizer performance
JP5810994B2 (ja) * 2012-03-16 2015-11-11 富士通株式会社 通信装置および通信装置の調整方法
WO2015077957A1 (en) * 2013-11-28 2015-06-04 Qualcomm Incorporated Methods and apparatus for interference mitigation in a wireless communication system
CN108521020B (zh) * 2018-05-25 2023-12-15 南京中原得生电子实业有限公司 新型手持式监测测向天线
CN113395522A (zh) * 2021-05-12 2021-09-14 陕西师范大学 一种视频传输的方法及装置

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6128355A (en) * 1997-05-21 2000-10-03 Telefonaktiebolget Lm Ericsson Selective diversity combining
JP3290926B2 (ja) * 1997-07-04 2002-06-10 松下電器産業株式会社 送信ダイバーシチ装置
JP3556464B2 (ja) 1998-03-30 2004-08-18 株式会社東芝 マルチモード無線機の通話断防止方法
KR100299128B1 (ko) * 1998-06-12 2001-11-05 윤종용 이동통신시스템에서 송신안테나에 따른 전력제어비트 패턴송수신 장치 및 방법
US6678508B1 (en) 2000-02-07 2004-01-13 Ericsson Inc. Power conservation method for mobile communications device with two receivers
JP2002152097A (ja) * 2000-11-16 2002-05-24 Matsushita Electric Ind Co Ltd 通信装置
JP2003069459A (ja) * 2001-08-24 2003-03-07 Nippon Soken Inc 受信機
JP2004320446A (ja) * 2003-04-16 2004-11-11 Matsushita Electric Ind Co Ltd マルチモード通信装置
US7454181B2 (en) 2004-03-05 2008-11-18 Qualcomm Incorporated Multi-antenna receive diversity control in wireless communications
CN101888265B (zh) * 2004-03-05 2013-02-06 高通股份有限公司 用于无线通信中的接收分集控制的设备
JP4468951B2 (ja) 2004-06-24 2010-05-26 パナソニック株式会社 光学的情報記録媒体および光学的情報記録再生システム
KR101161873B1 (ko) * 2004-09-07 2012-07-03 더 보드 오브 리전츠 오브 더 유니버시티 오브 텍사스 시스템 적응적 전송모드 전환 방식을 이용한 다중입출력 통신시스템
DE602005007135D1 (de) * 2004-09-07 2008-07-10 Samsung Electronics Co Ltd MIMO System mit adaptiver Umschaltung des Übertragungsschemas
JP2006180087A (ja) * 2004-12-21 2006-07-06 Toshiba Corp 無線受信装置
WO2006125316A1 (en) * 2005-05-25 2006-11-30 Research In Motion Limited Joint space-time optimum filters (jstof) for interference cancellation
US7733996B2 (en) 2005-05-25 2010-06-08 Research In Motion Limited Joint space-time optimum filters (JSTOF) for interference cancellation

Also Published As

Publication number Publication date
CA2618932C (en) 2013-06-11
JP4959595B2 (ja) 2012-06-27
CN101242211B (zh) 2013-02-13
MX2008001748A (es) 2009-02-24
JP2012100284A (ja) 2012-05-24
TW200849872A (en) 2008-12-16
KR100983570B1 (ko) 2010-09-24
CA2618932A1 (en) 2008-08-05
CN101242211A (zh) 2008-08-13
AU2008200497B2 (en) 2010-06-10
AU2008200497A1 (en) 2008-08-21
EP1953925A1 (de) 2008-08-06
DE602007003072D1 (de) 2009-12-17
KR20080073254A (ko) 2008-08-08
JP2008193699A (ja) 2008-08-21
AU2008200497C1 (en) 2011-07-21
EP1953925B1 (de) 2009-11-04
TWI361585B (en) 2012-04-01

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Legal Events

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