DE60217207D1 - Adaptive Antennenvorrichtung und dazugehöriges Steuerungsverfahren - Google Patents

Adaptive Antennenvorrichtung und dazugehöriges Steuerungsverfahren

Info

Publication number
DE60217207D1
DE60217207D1 DE60217207T DE60217207T DE60217207D1 DE 60217207 D1 DE60217207 D1 DE 60217207D1 DE 60217207 T DE60217207 T DE 60217207T DE 60217207 T DE60217207 T DE 60217207T DE 60217207 D1 DE60217207 D1 DE 60217207D1
Authority
DE
Germany
Prior art keywords
control method
antenna device
associated control
adaptive antenna
adaptive
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
DE60217207T
Other languages
English (en)
Other versions
DE60217207T2 (de
Inventor
Kenichi Takai
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 DE60217207D1 publication Critical patent/DE60217207D1/de
Application granted granted Critical
Publication of DE60217207T2 publication Critical patent/DE60217207T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • H04W52/04—TPC
    • H04W52/38—TPC being performed in particular situations
    • H04W52/42—TPC being performed in particular situations in systems with time, space, frequency or polarisation diversity
    • 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
    • H04B7/0617—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 for beam forming
    • 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
    • H04W16/00—Network planning, e.g. coverage or traffic planning tools; Network deployment, e.g. resource partitioning or cells structures
    • H04W16/22—Traffic simulation tools or models
    • 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
    • H04W52/04—TPC
    • H04W52/30—TPC using constraints in the total amount of available transmission power
    • H04W52/32—TPC of broadcast or control channels
    • H04W52/322—Power control of broadcast channels
    • 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
    • H04W52/04—TPC
    • H04W52/30—TPC using constraints in the total amount of available transmission power
    • H04W52/34—TPC management, i.e. sharing limited amount of power among users or channels or data types, e.g. cell loading

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Variable-Direction Aerials And Aerial Arrays (AREA)
DE2002617207 2001-03-12 2002-03-08 Adaptive Antennenvorrichtung und dazugehöriges Steuerungsverfahren Expired - Fee Related DE60217207T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2001069030 2001-03-12
JP2001069030A JP2002271254A (ja) 2001-03-12 2001-03-12 適応アンテナ装置及びその制御方法

Publications (2)

Publication Number Publication Date
DE60217207D1 true DE60217207D1 (de) 2007-02-15
DE60217207T2 DE60217207T2 (de) 2007-05-03

Family

ID=18927125

Family Applications (1)

Application Number Title Priority Date Filing Date
DE2002617207 Expired - Fee Related DE60217207T2 (de) 2001-03-12 2002-03-08 Adaptive Antennenvorrichtung und dazugehöriges Steuerungsverfahren

Country Status (3)

Country Link
EP (1) EP1241802B1 (de)
JP (1) JP2002271254A (de)
DE (1) DE60217207T2 (de)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7430430B2 (en) * 2003-12-16 2008-09-30 Magnolia Broadband Inc. Adjusting a signal at a diversity system
US8554686B2 (en) 2005-06-30 2013-10-08 Advanced Micro Devices, Inc. Anti-hack protection to restrict installation of operating systems and other software
JP5033731B2 (ja) 2008-07-29 2012-09-26 京セラ株式会社 無線基地局および無線通信方法
CN102572861B (zh) * 2011-12-13 2014-09-03 北京邮电大学 基于极化分集增益最优的基站变极化方法
JP5647663B2 (ja) * 2012-11-30 2015-01-07 ソフトバンクモバイル株式会社 フェムトセル基地局、出力制御方法、及び出力制御プログラム

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5890067A (en) * 1996-06-26 1999-03-30 Bnr Inc. Multi-beam antenna arrays for base stations in which the channel follows the mobile unit
US5945948A (en) * 1996-09-03 1999-08-31 Motorola, Inc. Method and apparatus for location finding in a communication system
FI103629B (fi) * 1996-10-10 1999-07-30 Nokia Telecommunications Oy Menetelmä puheluliikenteen kuuman pisteen määrittämiseksi solukkomatka viestinjärjestelmän solussa
US6615024B1 (en) * 1998-05-01 2003-09-02 Arraycomm, Inc. Method and apparatus for determining signatures for calibrating a communication station having an antenna array

Also Published As

Publication number Publication date
JP2002271254A (ja) 2002-09-20
EP1241802B1 (de) 2007-01-03
EP1241802A2 (de) 2002-09-18
EP1241802A3 (de) 2005-01-19
DE60217207T2 (de) 2007-05-03

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Legal Events

Date Code Title Description
8381 Inventor (new situation)

Inventor name: TAKAI, KENICHI, NEC CORPORATION, MINATO-KU, TOKYO,

8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee