AU2001284467A1 - Radio base device, transmission weight control method, and transmission weight control program - Google Patents

Radio base device, transmission weight control method, and transmission weight control program

Info

Publication number
AU2001284467A1
AU2001284467A1 AU2001284467A AU8446701A AU2001284467A1 AU 2001284467 A1 AU2001284467 A1 AU 2001284467A1 AU 2001284467 A AU2001284467 A AU 2001284467A AU 8446701 A AU8446701 A AU 8446701A AU 2001284467 A1 AU2001284467 A1 AU 2001284467A1
Authority
AU
Australia
Prior art keywords
weight control
transmission weight
radio base
base device
control method
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
AU2001284467A
Inventor
Yoshiharu Doi
Masashi Iwami
Seigo Nakao
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.)
Sanyo Electric Co Ltd
Original Assignee
Sanyo Electric Co 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 Sanyo Electric Co Ltd filed Critical Sanyo Electric Co Ltd
Publication of AU2001284467A1 publication Critical patent/AU2001284467A1/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
    • H04B7/06—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
    • H04B7/086—Weighted combining using weights depending on external parameters, e.g. direction of arrival [DOA], predetermined weights or beamforming
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/02—Power saving arrangements
    • H04W52/0203—Power saving arrangements in the radio access network or backbone network of wireless communication networks
    • H04W52/0206—Power saving arrangements in the radio access network or backbone network of wireless communication networks in access points, e.g. base stations
    • 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)
  • Variable-Direction Aerials And Aerial Arrays (AREA)
AU2001284467A 2000-10-17 2001-09-06 Radio base device, transmission weight control method, and transmission weight control program Abandoned AU2001284467A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2000317226A JP2004235674A (en) 2000-10-17 2000-10-17 Apparatus and method for transmission weight control and radio base station
JP2000-317226 2000-10-17
PCT/JP2001/007759 WO2002033851A1 (en) 2000-10-17 2001-09-06 Radio base device, transmission weight control method, and transmission weight control program

Publications (1)

Publication Number Publication Date
AU2001284467A1 true AU2001284467A1 (en) 2002-04-29

Family

ID=18796048

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2001284467A Abandoned AU2001284467A1 (en) 2000-10-17 2001-09-06 Radio base device, transmission weight control method, and transmission weight control program

Country Status (3)

Country Link
JP (1) JP2004235674A (en)
AU (1) AU2001284467A1 (en)
WO (1) WO2002033851A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4134597B2 (en) * 2002-05-23 2008-08-20 日本電気株式会社 Adaptive antenna transceiver
JP2006148728A (en) * 2004-11-24 2006-06-08 Nec Corp Antenna system and radio communication apparatus using the same

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08274687A (en) * 1995-03-31 1996-10-18 Matsushita Electric Ind Co Ltd Cdma radio transmission equipment and cdma radio transmission system
JP3432697B2 (en) * 1997-04-02 2003-08-04 松下電器産業株式会社 Adaptive reception diversity apparatus and adaptive transmission diversity apparatus
JP2000022611A (en) * 1998-06-29 2000-01-21 Matsushita Electric Ind Co Ltd Transmission power control method and radio communication equipment
JP2000332666A (en) * 1999-05-24 2000-11-30 Toshiba Tec Corp Radio communication system

Also Published As

Publication number Publication date
JP2004235674A (en) 2004-08-19
WO2002033851A1 (en) 2002-04-25

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