SE0104012L - TX-diversitet med två fasta strålar - Google Patents
TX-diversitet med två fasta strålarInfo
- 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
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)
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)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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)
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 |
-
2001
- 2001-11-29 SE SE0104012A patent/SE523685C2/sv not_active IP Right Cessation
-
2002
- 2002-11-01 ES ES02780243T patent/ES2397058T3/es not_active Expired - Lifetime
- 2002-11-01 CN CN028237757A patent/CN1596487B/zh not_active Expired - Fee Related
- 2002-11-01 EP EP02780243A patent/EP1451894B1/en not_active Expired - Lifetime
- 2002-11-01 AU AU2002343312A patent/AU2002343312A1/en not_active Abandoned
- 2002-11-01 US US10/496,644 patent/US7970348B2/en not_active Expired - Fee Related
- 2002-11-01 WO PCT/SE2002/001983 patent/WO2003047027A1/en not_active Application Discontinuation
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 |