FI20000176A0 - Diversitetsändning - Google Patents
DiversitetsändningInfo
- Publication number
- FI20000176A0 FI20000176A0 FI20000176A FI20000176A FI20000176A0 FI 20000176 A0 FI20000176 A0 FI 20000176A0 FI 20000176 A FI20000176 A FI 20000176A FI 20000176 A FI20000176 A FI 20000176A FI 20000176 A0 FI20000176 A0 FI 20000176A0
- Authority
- FI
- Finland
- Prior art keywords
- antenna
- antenna beams
- performance
- downlink
- signal
- 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
- H04B7/0613—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
- 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
Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FI20000176A FI20000176A0 (sv) | 2000-01-28 | 2000-01-28 | Diversitetsändning |
AT01903816T ATE365402T1 (de) | 2000-01-28 | 2001-01-25 | Diversitätsübertragung |
PCT/FI2001/000065 WO2001056192A1 (en) | 2000-01-28 | 2001-01-25 | Diversity transmission |
AU2001231785A AU2001231785A1 (en) | 2000-01-28 | 2001-01-25 | Diversity transmission |
EP01903816A EP1250768B1 (en) | 2000-01-28 | 2001-01-25 | Diversity transmission |
DE60128999T DE60128999T2 (de) | 2000-01-28 | 2001-01-25 | Diversitätsübertragung |
US10/202,638 US7149547B2 (en) | 2000-01-28 | 2002-07-25 | Diversity transmission |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FI20000176A FI20000176A0 (sv) | 2000-01-28 | 2000-01-28 | Diversitetsändning |
Publications (1)
Publication Number | Publication Date |
---|---|
FI20000176A0 true FI20000176A0 (sv) | 2000-01-28 |
Family
ID=8557238
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FI20000176A FI20000176A0 (sv) | 2000-01-28 | 2000-01-28 | Diversitetsändning |
Country Status (7)
Country | Link |
---|---|
US (1) | US7149547B2 (sv) |
EP (1) | EP1250768B1 (sv) |
AT (1) | ATE365402T1 (sv) |
AU (1) | AU2001231785A1 (sv) |
DE (1) | DE60128999T2 (sv) |
FI (1) | FI20000176A0 (sv) |
WO (1) | WO2001056192A1 (sv) |
Families Citing this family (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB0102316D0 (en) * | 2001-01-30 | 2001-03-14 | Koninkl Philips Electronics Nv | Radio communication system |
US7162261B1 (en) * | 2002-02-27 | 2007-01-09 | Sprint Communications Company L.P. | Method and device for identifying antennae to transmit wireless signals |
US6850741B2 (en) * | 2002-04-04 | 2005-02-01 | Agency For Science, Technology And Research | Method for selecting switched orthogonal beams for downlink diversity transmission |
JP4299083B2 (ja) * | 2003-09-09 | 2009-07-22 | 株式会社エヌ・ティ・ティ・ドコモ | 無線通信装置及び無線通信方法 |
US7480486B1 (en) | 2003-09-10 | 2009-01-20 | Sprint Spectrum L.P. | Wireless repeater and method for managing air interface communications |
US7406295B1 (en) | 2003-09-10 | 2008-07-29 | Sprint Spectrum L.P. | Method for dynamically directing a wireless repeater |
US7457545B2 (en) * | 2004-02-12 | 2008-11-25 | Northrop Grumman Corporation | Process for controlling a Hartmann wavefront sensor (WFS) in an adaptive optic (AO) system |
GB0414889D0 (en) * | 2004-07-02 | 2004-08-04 | Qinetiq Ltd | Multiple-input multiple-output communications system |
US8040788B2 (en) * | 2004-08-13 | 2011-10-18 | Broadcom Corporation | Multi-dimensional network resource allocation |
CN101189811B (zh) * | 2005-02-08 | 2012-12-19 | 阿尔卡特朗讯公司 | 无线通信系统中控制无线链路的传输的方法和设备 |
US20060268623A1 (en) * | 2005-03-09 | 2006-11-30 | Samsung Electronics Co., Ltd. | Transmitting/receiving apparatus and method in a closed-loop MIMO system |
US8213978B1 (en) | 2005-08-29 | 2012-07-03 | At&T Mobility Ii Llc | Estimating mobile local propagation environment characteristics for wireless communications |
KR101099881B1 (ko) * | 2006-09-06 | 2011-12-28 | 고려대학교 산학협력단 | 직교 공간 다중화 시스템에서의 안테나 선택 방법 및 장치 |
US20080172322A1 (en) * | 2007-01-17 | 2008-07-17 | Steidlmayer Pete | Method for scheduling future orders on an electronic commodity trading system |
US8565193B2 (en) | 2008-10-16 | 2013-10-22 | Elektrobit Wireless Communications Oy | Beam forming method, apparatus and system |
US20100241588A1 (en) * | 2009-03-17 | 2010-09-23 | Andrew Busby | System and method for determining confidence levels for a market depth in a commodities market |
EP3189600A1 (en) * | 2014-09-04 | 2017-07-12 | Telefonaktiebolaget LM Ericsson (publ) | Beam forming in a wireless communication network |
US20160192209A1 (en) * | 2014-12-31 | 2016-06-30 | Thomson Licensing | Antenna radiation pattern adjustment and mobile devices |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2281012B (en) * | 1993-08-12 | 1998-04-15 | Northern Telecom Ltd | Angle diversity for multiple beam antenna |
EP0647983A3 (en) * | 1993-08-12 | 1995-06-28 | Northern Telecom Ltd | Antenna device for base station. |
GB2281176B (en) * | 1993-08-12 | 1998-04-08 | Northern Telecom Ltd | Base station antenna arrangement |
FI98172C (sv) * | 1995-05-24 | 1997-04-25 | Nokia Telecommunications Oy | Förfarande för sändning av pilotsignal och cellulärradiosystem |
US5680142A (en) * | 1995-11-07 | 1997-10-21 | Smith; David Anthony | Communication system and method utilizing an antenna having adaptive characteristics |
JP3279491B2 (ja) | 1996-12-16 | 2002-04-30 | 株式会社日本触媒 | (メタ)アクリル酸の製造方法 |
US6301238B1 (en) * | 1997-01-28 | 2001-10-09 | Telefonaktiebolaget Lm Ericsson (Publ) | Directional-beam generative apparatus and associated method |
DE69731978T2 (de) * | 1997-02-13 | 2005-10-06 | Nokia Corp. | Verfahren und vorrichtung zur gerichteten funkübertragung |
US6697641B1 (en) * | 1997-03-03 | 2004-02-24 | Celletra Ltd. | Method and system for improving communication |
US6453177B1 (en) * | 1999-07-14 | 2002-09-17 | Metawave Communications Corporation | Transmitting beam forming in smart antenna array system |
-
2000
- 2000-01-28 FI FI20000176A patent/FI20000176A0/sv unknown
-
2001
- 2001-01-25 WO PCT/FI2001/000065 patent/WO2001056192A1/en active IP Right Grant
- 2001-01-25 EP EP01903816A patent/EP1250768B1/en not_active Expired - Lifetime
- 2001-01-25 DE DE60128999T patent/DE60128999T2/de not_active Expired - Fee Related
- 2001-01-25 AU AU2001231785A patent/AU2001231785A1/en not_active Abandoned
- 2001-01-25 AT AT01903816T patent/ATE365402T1/de not_active IP Right Cessation
-
2002
- 2002-07-25 US US10/202,638 patent/US7149547B2/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
DE60128999D1 (de) | 2007-08-02 |
EP1250768B1 (en) | 2007-06-20 |
DE60128999T2 (de) | 2008-02-28 |
AU2001231785A1 (en) | 2001-08-07 |
ATE365402T1 (de) | 2007-07-15 |
EP1250768A1 (en) | 2002-10-23 |
US20030032453A1 (en) | 2003-02-13 |
WO2001056192A1 (en) | 2001-08-02 |
US7149547B2 (en) | 2006-12-12 |
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