TW200729617A - Using antenna arrays to produce omni-directional transmissions - Google Patents

Using antenna arrays to produce omni-directional transmissions

Info

Publication number
TW200729617A
TW200729617A TW095140291A TW95140291A TW200729617A TW 200729617 A TW200729617 A TW 200729617A TW 095140291 A TW095140291 A TW 095140291A TW 95140291 A TW95140291 A TW 95140291A TW 200729617 A TW200729617 A TW 200729617A
Authority
TW
Taiwan
Prior art keywords
omni
directional transmissions
antenna arrays
antenna elements
produce
Prior art date
Application number
TW095140291A
Other languages
English (en)
Inventor
Kambiz Zangi
Original Assignee
Ericsson Telefon Ab L M
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 Ericsson Telefon Ab L M filed Critical Ericsson Telefon Ab L M
Publication of TW200729617A publication Critical patent/TW200729617A/zh

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q3/00—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system
    • H01Q3/26—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture
    • H01Q3/30—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture varying the relative phase between the radiating elements of an array
    • H01Q3/34—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture varying the relative phase between the radiating elements of an array by electrical means
    • 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
    • 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
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/12—Supports; Mounting means
    • H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
    • H01Q1/24—Supports; Mounting means by structural association with other equipment or articles with receiving set
    • H01Q1/241—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM
    • H01Q1/246—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM specially adapted for base stations
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details 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
    • H04B1/02—Transmitters

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Variable-Direction Aerials And Aerial Arrays (AREA)
  • Radio Transmission System (AREA)
TW095140291A 2005-12-12 2006-10-31 Using antenna arrays to produce omni-directional transmissions TW200729617A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US11/275,111 US8666333B2 (en) 2005-12-12 2005-12-12 Using antenna arrays to produce omni-directional transmissions

Publications (1)

Publication Number Publication Date
TW200729617A true TW200729617A (en) 2007-08-01

Family

ID=38140040

Family Applications (1)

Application Number Title Priority Date Filing Date
TW095140291A TW200729617A (en) 2005-12-12 2006-10-31 Using antenna arrays to produce omni-directional transmissions

Country Status (7)

Country Link
US (1) US8666333B2 (zh)
EP (1) EP1961249A4 (zh)
JP (1) JP4938789B2 (zh)
CN (1) CN101326843B (zh)
BR (1) BRPI0618820A2 (zh)
TW (1) TW200729617A (zh)
WO (1) WO2007069989A1 (zh)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10827364B2 (en) * 2018-02-14 2020-11-03 Futurewei Technologies, Inc. Phased array antenna system for fast beam searching

Family Cites Families (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8828306D0 (en) * 1988-12-05 1992-11-18 Secr Defence Adaptive antenna
ATE145496T1 (de) * 1992-10-19 1996-12-15 Northern Telecom Ltd Antenneneinrichtung für basisstation
GB2281176B (en) * 1993-08-12 1998-04-08 Northern Telecom Ltd Base station antenna arrangement
US5481570A (en) * 1993-10-20 1996-01-02 At&T Corp. Block radio and adaptive arrays for wireless systems
KR960027576A (ko) * 1994-12-01 1996-07-22 리차드 탤런 육상 이동 무선 베이스 사이트에 사용되는 무선 신호 스캐닝 및 타겟팅 시스템
US5629707A (en) * 1995-01-06 1997-05-13 Motorola, Inc. Flexible signal source location apparatus and method therefor
US5854611A (en) * 1995-07-24 1998-12-29 Lucent Technologies Inc. Power shared linear amplifier network
CA2250559C (en) * 1997-10-23 2002-12-31 Lucent Technologies Inc. Dual-frequency reuse dual server group
US6351654B1 (en) * 1997-10-23 2002-02-26 Lucent Technologies Inc. Antenna configuration for a hybrid inner/outer sectored cell
JP4077084B2 (ja) * 1998-09-18 2008-04-16 松下電器産業株式会社 送信装置及び送信方法
JP2001127681A (ja) * 1999-10-29 2001-05-11 Kyocera Corp アダプティブアレイ基地局による制御データの送信方法
EP1111812A1 (en) * 1999-12-20 2001-06-27 Nortel Matra Cellular Omni transmit and sectored receive cellular telecommunications network and method of operating the same
US6232921B1 (en) * 2000-01-11 2001-05-15 Lucent Technologies Inc. Method and system for adaptive signal processing for an antenna array
GB0006955D0 (en) * 2000-03-23 2000-05-10 Koninkl Philips Electronics Nv Antenna diversity arrangement
US8213994B2 (en) * 2002-08-07 2012-07-03 Interdigital Technology Corporation Mobile communications system and method for providing common channel coverage using beamforming antennas
JP4008783B2 (ja) * 2002-08-23 2007-11-14 株式会社エヌ・ティ・ティ・ドコモ 無線通信システム、無線通信方法、これらに用いて好適な基地局
JP2004201137A (ja) * 2002-12-19 2004-07-15 Ntt Docomo Inc 指向性ビーム通信システム、指向性ビーム通信方法、基地局及び制御装置
JP4099118B2 (ja) * 2003-08-08 2008-06-11 株式会社エヌ・ティ・ティ・ドコモ 信号伝送装置及び信号伝送方法
JP4105083B2 (ja) * 2003-11-28 2008-06-18 株式会社エヌ・ティ・ティ・ドコモ アンテナ装置
CN2730033Y (zh) 2004-04-26 2005-09-28 西安海天天线科技股份有限公司 小灵通phs通信系统全向智能天线

Also Published As

Publication number Publication date
EP1961249A4 (en) 2014-06-11
BRPI0618820A2 (pt) 2011-09-13
JP4938789B2 (ja) 2012-05-23
US8666333B2 (en) 2014-03-04
EP1961249A1 (en) 2008-08-27
CN101326843A (zh) 2008-12-17
CN101326843B (zh) 2013-03-27
US20070135063A1 (en) 2007-06-14
JP2009519630A (ja) 2009-05-14
WO2007069989A1 (en) 2007-06-21

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