CN1716810A - 不断变化的干扰环境中形成波束的设备和方法 - Google Patents
不断变化的干扰环境中形成波束的设备和方法 Download PDFInfo
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- CN1716810A CN1716810A CNA2005100825560A CN200510082556A CN1716810A CN 1716810 A CN1716810 A CN 1716810A CN A2005100825560 A CNA2005100825560 A CN A2005100825560A CN 200510082556 A CN200510082556 A CN 200510082556A CN 1716810 A CN1716810 A CN 1716810A
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- 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
-
- 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
- H04B7/08—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station
- H04B7/0837—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station using pre-detection combining
- H04B7/0842—Weighted combining
- H04B7/0848—Joint weighting
-
- 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
- H04B7/08—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station
- H04B7/0837—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station using pre-detection combining
- H04B7/0842—Weighted combining
- H04B7/0848—Joint weighting
- H04B7/0851—Joint weighting using training sequences or error signal
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L25/00—Baseband systems
- H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
- H04L25/0202—Channel estimation
- H04L25/0204—Channel estimation of multiple channels
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L25/00—Baseband systems
- H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
- H04L25/0202—Channel estimation
- H04L25/021—Estimation of channel covariance
-
- 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
- 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
- H04B7/08—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station
- H04B7/0837—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station using pre-detection combining
- H04B7/0842—Weighted combining
- H04B7/086—Weighted combining using weights depending on external parameters, e.g. direction of arrival [DOA], predetermined weights or beamforming
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L25/00—Baseband systems
- H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
- H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
- H04L25/03006—Arrangements for removing intersymbol interference
- H04L25/03178—Arrangements involving sequence estimation techniques
- H04L25/03203—Trellis search techniques
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L25/00—Baseband systems
- H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
- H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
- H04L25/03006—Arrangements for removing intersymbol interference
- H04L25/03178—Arrangements involving sequence estimation techniques
- H04L25/03248—Arrangements for operating in conjunction with other apparatus
- H04L25/0328—Arrangements for operating in conjunction with other apparatus with interference cancellation circuitry
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L25/00—Baseband systems
- H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
- H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
- H04L25/03006—Arrangements for removing intersymbol interference
- H04L25/03178—Arrangements involving sequence estimation techniques
- H04L25/03248—Arrangements for operating in conjunction with other apparatus
- H04L25/03299—Arrangements for operating in conjunction with other apparatus with noise-whitening circuitry
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Power Engineering (AREA)
- Mobile Radio Communication Systems (AREA)
- Radio Transmission System (AREA)
- Variable-Direction Aerials And Aerial Arrays (AREA)
- Recrystallisation Techniques (AREA)
Abstract
Description
Claims (42)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US09/327776 | 1999-06-07 | ||
US09/327,776 US6141567A (en) | 1999-06-07 | 1999-06-07 | Apparatus and method for beamforming in a changing-interference environment |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB008114803A Division CN100393139C (zh) | 1999-06-07 | 2000-04-20 | 不断变化的干扰环境中形成波束的设备和方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1716810A true CN1716810A (zh) | 2006-01-04 |
CN1716810B CN1716810B (zh) | 2012-03-21 |
Family
ID=23278023
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB008114803A Expired - Fee Related CN100393139C (zh) | 1999-06-07 | 2000-04-20 | 不断变化的干扰环境中形成波束的设备和方法 |
CN2005100825560A Expired - Fee Related CN1716810B (zh) | 1999-06-07 | 2000-04-20 | 不断变化的干扰环境中形成波束的设备和方法 |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB008114803A Expired - Fee Related CN100393139C (zh) | 1999-06-07 | 2000-04-20 | 不断变化的干扰环境中形成波束的设备和方法 |
Country Status (8)
Country | Link |
---|---|
US (2) | US6141567A (zh) |
EP (2) | EP1183880B1 (zh) |
JP (1) | JP5275535B2 (zh) |
CN (2) | CN100393139C (zh) |
AT (1) | ATE534199T1 (zh) |
AU (1) | AU769320B2 (zh) |
ES (2) | ES2449266T3 (zh) |
WO (1) | WO2000076229A1 (zh) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101483456B (zh) * | 2008-01-09 | 2012-10-10 | 普天信息技术研究院有限公司 | 基于室内分布式天线覆盖方式的功率分配方法及装置 |
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- 2000-04-20 JP JP2001502373A patent/JP5275535B2/ja not_active Expired - Lifetime
- 2000-04-20 CN CNB008114803A patent/CN100393139C/zh not_active Expired - Fee Related
- 2000-04-20 AT AT00928315T patent/ATE534199T1/de active
- 2000-04-20 AU AU46572/00A patent/AU769320B2/en not_active Ceased
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- 2000-04-20 WO PCT/US2000/010895 patent/WO2000076229A1/en active IP Right Grant
- 2000-04-20 ES ES10011176.4T patent/ES2449266T3/es not_active Expired - Lifetime
- 2000-04-20 ES ES00928315T patent/ES2375216T3/es not_active Expired - Lifetime
- 2000-04-20 EP EP10011176.4A patent/EP2333984B1/en not_active Expired - Lifetime
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Publication number | Priority date | Publication date | Assignee | Title |
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CN101483456B (zh) * | 2008-01-09 | 2012-10-10 | 普天信息技术研究院有限公司 | 基于室内分布式天线覆盖方式的功率分配方法及装置 |
Also Published As
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AU769320B2 (en) | 2004-01-22 |
CN1369177A (zh) | 2002-09-11 |
EP1183880A4 (en) | 2008-02-20 |
EP2333984A3 (en) | 2012-04-04 |
JP2003501971A (ja) | 2003-01-14 |
US6141567A (en) | 2000-10-31 |
EP2333984B1 (en) | 2014-01-08 |
JP5275535B2 (ja) | 2013-08-28 |
EP1183880A1 (en) | 2002-03-06 |
ATE534199T1 (de) | 2011-12-15 |
WO2000076229A1 (en) | 2000-12-14 |
CN100393139C (zh) | 2008-06-04 |
ES2449266T3 (es) | 2014-03-19 |
EP1183880B1 (en) | 2011-11-16 |
US6839573B1 (en) | 2005-01-04 |
CN1716810B (zh) | 2012-03-21 |
ES2375216T3 (es) | 2012-02-27 |
EP2333984A2 (en) | 2011-06-15 |
AU4657200A (en) | 2000-12-28 |
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