CN1242566C - 在通信系统中估计下行链路波束形成加权值的方法和设备 - Google Patents
在通信系统中估计下行链路波束形成加权值的方法和设备 Download PDFInfo
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- CN1242566C CN1242566C CNB018209130A CN01820913A CN1242566C CN 1242566 C CN1242566 C CN 1242566C CN B018209130 A CNB018209130 A CN B018209130A CN 01820913 A CN01820913 A CN 01820913A CN 1242566 C CN1242566 C CN 1242566C
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- 238000004891 communication Methods 0.000 title claims abstract description 117
- 238000000034 method Methods 0.000 title claims abstract description 42
- 230000004044 response Effects 0.000 claims abstract description 20
- 230000000875 corresponding effect Effects 0.000 claims description 11
- 230000002596 correlated effect Effects 0.000 claims description 2
- 230000011218 segmentation Effects 0.000 claims description 2
- 238000005516 engineering process Methods 0.000 description 17
- 238000010586 diagram Methods 0.000 description 8
- 230000014509 gene expression Effects 0.000 description 8
- 239000011159 matrix material Substances 0.000 description 8
- 239000013598 vector Substances 0.000 description 5
- 230000008901 benefit Effects 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 4
- 230000001413 cellular effect Effects 0.000 description 4
- 230000007613 environmental effect Effects 0.000 description 3
- 230000017105 transposition Effects 0.000 description 3
- 230000006399 behavior Effects 0.000 description 2
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- 101100136092 Drosophila melanogaster peng gene Proteins 0.000 description 1
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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
-
- 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
- H04B7/0619—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 using feedback from receiving side
-
- 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
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Radio Transmission System (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
Description
Claims (10)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US09/745,343 US6839574B2 (en) | 2000-12-20 | 2000-12-20 | Method and apparatus for estimating downlink beamforming weights in a communications system |
US09/745,343 | 2000-12-20 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1481624A CN1481624A (zh) | 2004-03-10 |
CN1242566C true CN1242566C (zh) | 2006-02-15 |
Family
ID=24996302
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB018209130A Expired - Fee Related CN1242566C (zh) | 2000-12-20 | 2001-10-03 | 在通信系统中估计下行链路波束形成加权值的方法和设备 |
Country Status (8)
Country | Link |
---|---|
US (1) | US6839574B2 (zh) |
EP (1) | EP1344332B1 (zh) |
JP (1) | JP2004516742A (zh) |
KR (1) | KR100821242B1 (zh) |
CN (1) | CN1242566C (zh) |
AU (2) | AU2001296598B2 (zh) |
DE (1) | DE60141708D1 (zh) |
WO (1) | WO2002051033A1 (zh) |
Families Citing this family (29)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8363744B2 (en) | 2001-06-10 | 2013-01-29 | Aloft Media, Llc | Method and system for robust, secure, and high-efficiency voice and packet transmission over ad-hoc, mesh, and MIMO communication networks |
US6895258B1 (en) * | 2000-08-14 | 2005-05-17 | Kathrein-Werke Kg | Space division multiple access strategy for data service |
DE10051144C2 (de) * | 2000-10-16 | 2002-11-14 | Siemens Ag | Verfahren zur Verbesserung einer Kanalabschätzung in einem Funk-Kommunikationssystem |
US7139593B2 (en) * | 2001-12-14 | 2006-11-21 | Samsung Electronics Co., Ltd. | System and method for improving performance of an adaptive antenna array in a vehicular environment |
US6970722B1 (en) * | 2002-08-22 | 2005-11-29 | Cisco Technology, Inc. | Array beamforming with wide nulls |
JP2004096346A (ja) * | 2002-08-30 | 2004-03-25 | Fujitsu Ltd | 無線通信装置 |
JP3717913B2 (ja) * | 2002-12-27 | 2005-11-16 | 三洋電機株式会社 | 無線装置 |
US7035652B1 (en) * | 2003-02-11 | 2006-04-25 | Calamp Corp. | Wireless communication structures and methods with enhanced range and performance |
US6931262B2 (en) * | 2003-03-13 | 2005-08-16 | Arraycomm, Inc. | Soft decision-based decorrelator for estimating spatial signatures in a wireless communications system |
US7706324B2 (en) * | 2004-07-19 | 2010-04-27 | Qualcomm Incorporated | On-demand reverse-link pilot transmission |
US7263335B2 (en) * | 2004-07-19 | 2007-08-28 | Purewave Networks, Inc. | Multi-connection, non-simultaneous frequency diversity in radio communication systems |
US7342535B2 (en) * | 2005-04-08 | 2008-03-11 | Samsung Electronics Co., Ltd. | Beam-forming apparatus and method using a spatial interpolation based on regular spatial sampling |
US8144666B2 (en) * | 2005-05-13 | 2012-03-27 | Rockstar Bidco Lp | Downlink beamforming for broadband wireless networks |
CN100544231C (zh) * | 2005-06-08 | 2009-09-23 | 中兴通讯股份有限公司 | 基于软件无线电的智能天线实现方法及智能天线实现系统 |
EP1894320B1 (en) * | 2005-06-21 | 2013-09-11 | ATC Technologies, LLC | Communications systems including adaptive antenna systems and methods for inter-system and intra-system interference reduction |
US8542589B2 (en) * | 2006-06-05 | 2013-09-24 | Qualcomm Incorporated | Method and apparatus for providing beamforming feedback in wireless communication systems |
US7450673B2 (en) * | 2006-08-10 | 2008-11-11 | Cisco Technology, Inc. | System and method for improving the robustness of spatial division multiple access via nulling |
US7778211B2 (en) * | 2006-09-26 | 2010-08-17 | Cisco Technology, Inc. | Method for computing a downlink beamforming weighting vector based on up link channel information |
EP1928056A1 (en) * | 2006-11-28 | 2008-06-04 | Saab AB | Method for designing array antennas |
KR101415200B1 (ko) * | 2007-05-15 | 2014-07-07 | 한국과학기술원 | 무선통신 시스템에서 무선채널을 예측하기 위한 방법 및장치 |
US7978135B2 (en) | 2008-02-15 | 2011-07-12 | Atc Technologies, Llc | Antenna beam forming systems/methods using unconstrained phase response |
US8193975B2 (en) | 2008-11-12 | 2012-06-05 | Atc Technologies | Iterative antenna beam forming systems/methods |
CN101888644B (zh) * | 2009-05-14 | 2014-12-10 | 中兴通讯股份有限公司 | 一种实现单用户波束成形的系统及方法 |
US9008584B2 (en) | 2009-06-19 | 2015-04-14 | Cohda Wireless Pty. Ltd. | Environment estimation in a wireless communication system |
CN102404035B (zh) * | 2011-12-12 | 2014-06-11 | 东南大学 | 一种短距通信中基于信道矩阵的干扰抑制波束形成方法 |
CN103618567B (zh) * | 2013-12-18 | 2016-05-04 | 中国电子科技集团公司第五十四研究所 | 一种用于动中通散射通信的自适应波束形成方法 |
EP3427406B1 (en) | 2016-03-23 | 2020-02-05 | Huawei Technologies Co., Ltd. | Method and apparatus for position information based downlink receive filter |
WO2017164900A1 (en) * | 2016-03-25 | 2017-09-28 | Intel Corporation | Full duplex support in fifth generation (5g) systems |
CN108923869B (zh) * | 2018-08-01 | 2020-12-18 | 电子科技大学 | 一种基于正交算子的Capon噪声功率估计方法 |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2309591B (en) * | 1996-01-27 | 1999-08-04 | Motorola Ltd | Apparatus and method for adaptive beamforming |
US6122260A (en) | 1996-12-16 | 2000-09-19 | Civil Telecommunications, Inc. | Smart antenna CDMA wireless communication system |
US6331837B1 (en) * | 1997-05-23 | 2001-12-18 | Genghiscomm Llc | Spatial interferometry multiplexing in wireless communications |
US6377812B1 (en) * | 1997-11-20 | 2002-04-23 | University Of Maryland | Combined power control and space-time diversity in mobile cellular communications |
GB9828216D0 (en) * | 1998-12-21 | 1999-02-17 | Northern Telecom Ltd | A downlink beamforming approach for frequency division duplex cellular systems |
GB2349045A (en) | 1999-04-16 | 2000-10-18 | Fujitsu Ltd | Base station transmission beam pattern forming; interference reduction |
US6975666B2 (en) * | 1999-12-23 | 2005-12-13 | Institut National De La Recherche Scientifique | Interference suppression in CDMA systems |
US6411257B1 (en) * | 2000-02-22 | 2002-06-25 | Telefonaktiebolaget L M Ericsson (Publ) | Antenna angle-of-arrival estimation using uplink weight vectors |
US6404803B1 (en) * | 2000-10-24 | 2002-06-11 | Neoreach, Inc. | PN code acquisition with adaptive antenna array and adaptive threshold for CDMA wireless communications |
-
2000
- 2000-12-20 US US09/745,343 patent/US6839574B2/en not_active Expired - Lifetime
-
2001
- 2001-10-03 CN CNB018209130A patent/CN1242566C/zh not_active Expired - Fee Related
- 2001-10-03 EP EP01977482A patent/EP1344332B1/en not_active Expired - Lifetime
- 2001-10-03 JP JP2002552214A patent/JP2004516742A/ja active Pending
- 2001-10-03 AU AU2001296598A patent/AU2001296598B2/en not_active Ceased
- 2001-10-03 DE DE60141708T patent/DE60141708D1/de not_active Expired - Lifetime
- 2001-10-03 AU AU9659801A patent/AU9659801A/xx active Pending
- 2001-10-03 KR KR1020037008286A patent/KR100821242B1/ko not_active IP Right Cessation
- 2001-10-03 WO PCT/US2001/031123 patent/WO2002051033A1/en active Application Filing
Also Published As
Publication number | Publication date |
---|---|
AU9659801A (en) | 2002-07-01 |
CN1481624A (zh) | 2004-03-10 |
US6839574B2 (en) | 2005-01-04 |
WO2002051033A1 (en) | 2002-06-27 |
DE60141708D1 (de) | 2010-05-12 |
US20020090978A1 (en) | 2002-07-11 |
EP1344332A1 (en) | 2003-09-17 |
AU2001296598B2 (en) | 2007-08-30 |
EP1344332B1 (en) | 2010-03-31 |
JP2004516742A (ja) | 2004-06-03 |
KR100821242B1 (ko) | 2008-04-10 |
KR20040015042A (ko) | 2004-02-18 |
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Owner name: A LEI YI COMMUNICATION CO.,LTD. Free format text: FORMER OWNER: ARRAYCOMM INC. Effective date: 20070413 |
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