SE0104012L - TX-diversitet med två fasta strålar - Google Patents

TX-diversitet med två fasta strålar

Info

Publication number
SE0104012L
SE0104012L SE0104012A SE0104012A SE0104012L SE 0104012 L SE0104012 L SE 0104012L SE 0104012 A SE0104012 A SE 0104012A SE 0104012 A SE0104012 A SE 0104012A SE 0104012 L SE0104012 L SE 0104012L
Authority
SE
Sweden
Prior art keywords
beams
paths
coverage
orthogonal polarization
signal streams
Prior art date
Application number
SE0104012A
Other languages
English (en)
Other versions
SE523685C2 (sv
Inventor
Bo Hagerman
Bjoern Gunnar Johannisson
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
Priority to SE0104012A priority Critical patent/SE523685C2/sv
Priority to EP02780243A priority patent/EP1451894B1/en
Priority to ES02780243T priority patent/ES2397058T3/es
Priority to US10/496,644 priority patent/US7970348B2/en
Priority to AU2002343312A priority patent/AU2002343312A1/en
Priority to CN028237757A priority patent/CN1596487B/zh
Priority to PCT/SE2002/001983 priority patent/WO2003047027A1/en
Publication of SE0104012L publication Critical patent/SE0104012L/sv
Publication of SE523685C2 publication Critical patent/SE523685C2/sv

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
    • H04B7/0686—Hybrid systems, i.e. switching and simultaneous transmission
    • H04B7/0691—Hybrid systems, i.e. switching and simultaneous transmission using subgroups of transmit antennas
    • 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
    • H04B7/10—Polarisation diversity; Directional diversity
    • 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
    • H04W16/24—Cell structures
    • H04W16/28—Cell structures using beam steering
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Radio Transmission System (AREA)
  • Variable-Direction Aerials And Aerial Arrays (AREA)
SE0104012A 2001-11-29 2001-11-29 TX-diversitet med två fasta strålar SE523685C2 (sv)

Priority Applications (7)

Application Number Priority Date Filing Date Title
SE0104012A SE523685C2 (sv) 2001-11-29 2001-11-29 TX-diversitet med två fasta strålar
EP02780243A EP1451894B1 (en) 2001-11-29 2002-11-01 Two fixed-beams tx-diversity
ES02780243T ES2397058T3 (es) 2001-11-29 2002-11-01 Diversidad de transmisión con dos haces fijos
US10/496,644 US7970348B2 (en) 2001-11-29 2002-11-01 Two fixed-beams TX-diversity
AU2002343312A AU2002343312A1 (en) 2001-11-29 2002-11-01 Two fixed-beams tx-diversity
CN028237757A CN1596487B (zh) 2001-11-29 2002-11-01 两个固定波束发射分集
PCT/SE2002/001983 WO2003047027A1 (en) 2001-11-29 2002-11-01 Two fixed-beams tx-diversity

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE0104012A SE523685C2 (sv) 2001-11-29 2001-11-29 TX-diversitet med två fasta strålar

Publications (2)

Publication Number Publication Date
SE0104012L true SE0104012L (sv) 2003-05-30
SE523685C2 SE523685C2 (sv) 2004-05-11

Family

ID=20286151

Family Applications (1)

Application Number Title Priority Date Filing Date
SE0104012A SE523685C2 (sv) 2001-11-29 2001-11-29 TX-diversitet med två fasta strålar

Country Status (7)

Country Link
US (1) US7970348B2 (sv)
EP (1) EP1451894B1 (sv)
CN (1) CN1596487B (sv)
AU (1) AU2002343312A1 (sv)
ES (1) ES2397058T3 (sv)
SE (1) SE523685C2 (sv)
WO (1) WO2003047027A1 (sv)

Families Citing this family (15)

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JP2005110130A (ja) * 2003-10-01 2005-04-21 Samsung Electronics Co Ltd 共通チャネル伝送システム、共通チャネル伝送方法及び通信プログラム
US8224240B2 (en) * 2003-11-25 2012-07-17 Zte Corporation Method and apparatus for implementing beam forming in CDMA communication system
CN100373810C (zh) * 2004-06-15 2008-03-05 Ut斯达康通讯有限公司 改善无线基站覆盖和提高容量的天线装置及信号处理方法
EP1729531A1 (en) * 2005-06-02 2006-12-06 Alcatel Method and device for providing static beamforming
US9521597B2 (en) * 2006-03-13 2016-12-13 Telefonaktiebolaget Lm Ericsson (Publ) System and method of supporting softer handover in a cell using adaptive antenna in enabling narrow beam operation
GB2444980B (en) * 2006-12-22 2012-02-22 Deltenna Ltd Antenna system
EP1983660A1 (en) * 2007-04-16 2008-10-22 Nokia Siemens Networks Oy Configurable multi-antenna transmitter/receiver
KR20130028397A (ko) * 2011-09-09 2013-03-19 삼성전자주식회사 무선 통신 시스템에서 동기 및 시스템 정보 획득을 위한 장치 및 방법
CN107889280B (zh) * 2014-08-22 2021-06-25 安科讯(福建)科技有限公司 自适应信号最佳路径选择的wlan室外无线接入点装置
WO2018130310A1 (en) * 2017-01-16 2018-07-19 Telefonaktiebolaget Lm Ericsson (Publ) A transceiver arrangement
DE102017110725A1 (de) 2017-05-17 2018-11-22 Kathrein Se Mobilfunksystem mit einem Beamforming-Netzwerk und einem Mehrfachantennensystem, um ein Broadcast-Beam zu erzeugen sowie ein entsprechendes Verfahren hierfür
EP3763059A1 (en) * 2018-03-09 2021-01-13 Isotropic Systems Ltd Dynamic interference reduction for antenna beam tracking systems
US20200137590A1 (en) * 2018-10-29 2020-04-30 Antenum, Inc. Considerations in wireless networks that support beam steering mobile devices
KR20230056696A (ko) * 2020-08-05 2023-04-27 프라운호퍼 게젤샤프트 쭈르 푀르데룽 데어 안겐반텐 포르슝 에. 베. 데이터 통신 장치, 데이터 통신 방법, 통신 장치, 및 공유 데이터를 사용한 통신 방법
CN113823894B (zh) * 2021-09-28 2023-05-12 中国电子科技集团公司第三十八研究所 一种多波束阵列天线

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2191956A1 (en) 1994-06-03 1995-12-14 Ulf Goran Forssen Microstrip antenna array
US6006069A (en) * 1994-11-28 1999-12-21 Bosch Telecom Gmbh Point-to-multipoint communications system
US5649287A (en) * 1995-03-29 1997-07-15 Telefonaktiebolaget Lm Ericsson Orthogonalizing methods for antenna pattern nullfilling
US6351237B1 (en) * 1995-06-08 2002-02-26 Metawave Communications Corporation Polarization and angular diversity among antenna beams
GB2320618A (en) * 1996-12-20 1998-06-24 Northern Telecom Ltd Base station antenna arrangement with narrow overlapping beams
US5933421A (en) 1997-02-06 1999-08-03 At&T Wireless Services Inc. Method for frequency division duplex communications
SE509278C2 (sv) * 1997-05-07 1999-01-11 Ericsson Telefon Ab L M Radioantennanordning och förfarande för samtidig alstring av bred lob och smal peklob
US6094165A (en) * 1997-07-31 2000-07-25 Nortel Networks Corporation Combined multi-beam and sector coverage antenna array
GB9929375D0 (en) * 1999-12-10 2000-02-09 Nokia Networks Oy An antenna system
FI20001160A (sv) * 2000-05-15 2001-11-16 Nokia Networks Oy Förfarande för att föverkliga en pilotsignal
AU2000252139A1 (en) * 2000-05-18 2001-11-26 Nokia Corporation Hybrid antenna array
US6982968B1 (en) * 2000-09-29 2006-01-03 Arraycomm, Inc. Non-directional transmitting from a wireless data base station having a smart antenna system
US6697643B1 (en) * 2000-10-13 2004-02-24 Telefonaktiebolaget Lm Ericsson (Publ) System and method for implementing a multi-beam antenna without duplex filters within a base station
US7027837B1 (en) * 2001-09-27 2006-04-11 Arraycomm Llc. Antenna array for point-to-point microwave radio system
US6788250B2 (en) * 2001-11-09 2004-09-07 Ems Technologies, Inc. Beamformer for multi-beam broadcast antenna

Also Published As

Publication number Publication date
ES2397058T3 (es) 2013-03-04
EP1451894A1 (en) 2004-09-01
CN1596487A (zh) 2005-03-16
CN1596487B (zh) 2011-10-05
US7970348B2 (en) 2011-06-28
AU2002343312A1 (en) 2003-06-10
SE523685C2 (sv) 2004-05-11
WO2003047027A1 (en) 2003-06-05
US20050063342A1 (en) 2005-03-24
EP1451894B1 (en) 2012-10-24

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Legal Events

Date Code Title Description
NUG Patent has lapsed