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GB2353673B - Diversity control apparatus and method - Google Patents

Diversity control apparatus and method

Info

Publication number
GB2353673B
GB2353673B GB0014835A GB0014835A GB2353673B GB 2353673 B GB2353673 B GB 2353673B GB 0014835 A GB0014835 A GB 0014835A GB 0014835 A GB0014835 A GB 0014835A GB 2353673 B GB2353673 B GB 2353673B
Authority
GB
United Kingdom
Prior art keywords
control apparatus
diversity control
diversity
control
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.)
Expired - Fee Related
Application number
GB0014835A
Other versions
GB2353673A (en
GB0014835D0 (en
Inventor
Katsuya Nagashima
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.)
NEC Corp
Original Assignee
NEC Corp
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 NEC Corp filed Critical NEC Corp
Publication of GB0014835D0 publication Critical patent/GB0014835D0/en
Publication of GB2353673A publication Critical patent/GB2353673A/en
Application granted granted Critical
Publication of GB2353673B publication Critical patent/GB2353673B/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • H04B7/0868—Hybrid systems, i.e. switching and combining
    • H04B7/0871—Hybrid systems, i.e. switching and combining using different reception schemes, at least one of them being a diversity reception scheme
    • 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
    • H04B7/0802—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 antenna selection
    • 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
    • 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)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Radio Transmission System (AREA)
  • Mobile Radio Communication Systems (AREA)
GB0014835A 1999-06-16 2000-06-16 Diversity control apparatus and method Expired - Fee Related GB2353673B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP16935499A JP3389153B2 (en) 1999-06-16 1999-06-16 Diversity control device for mobile phone and diversity control method therefor

Publications (3)

Publication Number Publication Date
GB0014835D0 GB0014835D0 (en) 2000-08-09
GB2353673A GB2353673A (en) 2001-02-28
GB2353673B true GB2353673B (en) 2001-08-15

Family

ID=15885028

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0014835A Expired - Fee Related GB2353673B (en) 1999-06-16 2000-06-16 Diversity control apparatus and method

Country Status (3)

Country Link
JP (1) JP3389153B2 (en)
AU (1) AU761935B2 (en)
GB (1) GB2353673B (en)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6701165B1 (en) * 2000-06-21 2004-03-02 Agere Systems Inc. Method and apparatus for reducing interference in non-stationary subscriber radio units using flexible beam selection
JP3699883B2 (en) * 2000-06-29 2005-09-28 松下電器産業株式会社 Radio base station apparatus and radio communication method
US7277679B1 (en) 2001-09-28 2007-10-02 Arraycomm, Llc Method and apparatus to provide multiple-mode spatial processing to a terminal unit
US6965788B1 (en) * 2001-09-28 2005-11-15 Arraycomm, Inc. Method and apparatus for providing spatial processing in a remote unit
KR100811735B1 (en) * 2002-05-15 2008-03-11 엘지이노텍 주식회사 RF Switch Control Circuit
TWI333755B (en) * 2002-11-15 2010-11-21 Interdigital Tech Corp Wireless transmit/receive units having multiple receivers and methods
JP2005229391A (en) * 2004-02-13 2005-08-25 Pioneer Electronic Corp Receiver, receiving method, program for reception control, and recording medium
JP4458953B2 (en) * 2004-06-24 2010-04-28 株式会社東芝 Receiving LSI
DE102004032348A1 (en) * 2004-07-03 2006-01-26 Robert Bosch Gmbh Radio receiver
US7639999B2 (en) 2005-04-08 2009-12-29 Qualcomm Incorporated System for diverse path antenna selection
US8060041B2 (en) 2006-02-09 2011-11-15 Qualcomm, Incorporated Adaptive receiver for wireless communication device
CN101421942B (en) 2006-04-20 2012-04-18 松下电器产业株式会社 Diversity receiver apparatus
CN101461155A (en) 2006-06-09 2009-06-17 松下电器产业株式会社 Diversity receiving device and diversity receiving method
JP2008118394A (en) * 2006-11-02 2008-05-22 Kansai Electric Power Co Inc:The Wireless base station and phase difference adjustment method of wireless base station
US20090280751A1 (en) * 2008-05-07 2009-11-12 Ahmadreza Rofougaran Method And System For On-Demand Beamforming
JP5083026B2 (en) * 2008-05-15 2012-11-28 富士通セミコンダクター株式会社 Digital broadcast receiver and digital broadcast receiving method
JP4660572B2 (en) 2008-05-29 2011-03-30 京セラ株式会社 Mobile communication device and communication control method
CN101795151A (en) * 2010-04-01 2010-08-04 华为终端有限公司 Signal diversity receiving method and diversity receiving terminal
CN104079385B (en) * 2013-03-28 2017-11-07 华为终端有限公司 A kind of method and device for adjusting diversity switch
US10230433B2 (en) * 2015-07-27 2019-03-12 Qualcomm Incorporated Techniques for improving coverage of communication devices

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0715380A (en) * 1993-06-21 1995-01-17 Kokusai Electric Co Ltd Demodulation system selective reception diversity circuit
GB2307832A (en) * 1995-11-29 1997-06-04 Motorola Inc Radio subscriber unit with switched antenna diversity

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE411545C (en) * 1924-03-13 1925-03-28 Butz Fa A Safety plate against burning while cooking

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0715380A (en) * 1993-06-21 1995-01-17 Kokusai Electric Co Ltd Demodulation system selective reception diversity circuit
GB2307832A (en) * 1995-11-29 1997-06-04 Motorola Inc Radio subscriber unit with switched antenna diversity

Also Published As

Publication number Publication date
AU761935B2 (en) 2003-06-12
GB2353673A (en) 2001-02-28
AU4089000A (en) 2000-12-21
JP3389153B2 (en) 2003-03-24
GB0014835D0 (en) 2000-08-09
JP2000357983A (en) 2000-12-26

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20040616