CN101933251A - 用于mimo***中天线选择的信道探测和估计策略 - Google Patents
用于mimo***中天线选择的信道探测和估计策略 Download PDFInfo
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- CN101933251A CN101933251A CN2009801038910A CN200980103891A CN101933251A CN 101933251 A CN101933251 A CN 101933251A CN 2009801038910 A CN2009801038910 A CN 2009801038910A CN 200980103891 A CN200980103891 A CN 200980103891A CN 101933251 A CN101933251 A CN 101933251A
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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
- H04B7/0413—MIMO systems
- H04B7/0426—Power distribution
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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
- H04B7/0413—MIMO systems
- H04B7/0417—Feedback systems
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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
- 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
- H04B7/0621—Feedback content
- H04B7/0632—Channel quality parameters, e.g. channel quality indicator [CQI]
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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
- H04B7/0686—Hybrid systems, i.e. switching and simultaneous transmission
- H04B7/0691—Hybrid systems, i.e. switching and simultaneous transmission using subgroups of transmit antennas
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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
- H04B7/08—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station
- H04B7/0802—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 antenna selection
- H04B7/0817—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 antenna selection with multiple receivers and antenna path selection
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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
- H04B7/08—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station
- H04B7/0868—Hybrid systems, i.e. switching and combining
- H04B7/0874—Hybrid systems, i.e. switching and combining using subgroups of receive antennas
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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
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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
- H04L25/0224—Channel estimation using sounding signals
- H04L25/0226—Channel estimation using sounding signals sounding signals per se
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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
- H04L25/0224—Channel estimation using sounding signals
- H04L25/0228—Channel estimation using sounding signals with direct estimation from sounding signals
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/26—Systems using multi-frequency codes
- H04L27/2601—Multicarrier modulation systems
- H04L27/2647—Arrangements specific to the receiver only
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/04—TPC
- H04W52/38—TPC being performed in particular situations
- H04W52/42—TPC being performed in particular situations in systems with time, space, frequency or polarisation diversity
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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
- H04B7/0413—MIMO systems
- H04B7/0426—Power distribution
- H04B7/0434—Power distribution using multiple eigenmodes
- H04B7/0443—Power distribution using multiple eigenmodes utilizing "waterfilling" technique
-
- 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
- H04B7/0413—MIMO systems
- H04B7/0426—Power distribution
- H04B7/0434—Power distribution using multiple eigenmodes
- H04B7/0447—Power distribution using multiple eigenmodes utilizing uniform distribution
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Power Engineering (AREA)
- Radio Transmission System (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
Description
Claims (25)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
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US2551908P | 2008-02-01 | 2008-02-01 | |
US61/025,519 | 2008-02-01 | ||
PCT/US2009/032659 WO2009099949A2 (en) | 2008-02-01 | 2009-01-30 | Channel sounding and estimation strategies for antenna selection in mimo systems |
Publications (2)
Publication Number | Publication Date |
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CN101933251A true CN101933251A (zh) | 2010-12-29 |
CN101933251B CN101933251B (zh) | 2014-09-03 |
Family
ID=40931679
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN200980103891.0A Active CN101933251B (zh) | 2008-02-01 | 2009-01-30 | 用于mimo***中天线选择的信道探测和估计策略 |
Country Status (5)
Country | Link |
---|---|
US (2) | US8498362B2 (zh) |
EP (1) | EP2238694B1 (zh) |
JP (2) | JP5356415B2 (zh) |
CN (1) | CN101933251B (zh) |
WO (1) | WO2009099949A2 (zh) |
Cited By (5)
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WO2012116485A1 (en) * | 2011-02-28 | 2012-09-07 | Nec (China) Co., Ltd. | Method and apparatus of performing outer loop link adaptation operation |
CN105409156A (zh) * | 2013-06-11 | 2016-03-16 | 马维尔国际贸易有限公司 | Mimo***中的信道探测和估计策略 |
CN105594171A (zh) * | 2013-09-30 | 2016-05-18 | 沃尔沃汽车公司 | 用于向车载通信中的802.11p OFDM帧中引入补充训练符号的方法 |
CN109784212A (zh) * | 2018-12-27 | 2019-05-21 | 东莞理工学院 | 一种基于WiFi信号的生物打字识别方法 |
CN114221682A (zh) * | 2021-11-03 | 2022-03-22 | 华为技术有限公司 | 一种天线信道探测方法、装置和存储介质 |
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JP5350380B2 (ja) | 2007-07-18 | 2013-11-27 | マーベル ワールド トレード リミテッド | 複数のクライアント局に対する独立したデータを同時ダウンリンク伝送するアクセスポイント |
WO2009012448A2 (en) | 2007-07-18 | 2009-01-22 | Marvell World Trade Ltd. | Wireless network with simultaneous uplink transmission of independent data from multiple client stations |
US9749022B2 (en) | 2008-02-01 | 2017-08-29 | Marvell World Trade Ltd. | Channel sounding and estimation strategies in MIMO systems |
US8498362B2 (en) | 2008-02-01 | 2013-07-30 | Marvell World Trade Ltd. | Channel sounding and estimation strategies for antenna selection in MIMO systems |
US8982889B2 (en) | 2008-07-18 | 2015-03-17 | Marvell World Trade Ltd. | Preamble designs for sub-1GHz frequency bands |
US8175538B1 (en) | 2008-12-15 | 2012-05-08 | Qualcomm Atheros, Inc. | Calibrating a wireless communication device |
US8295263B1 (en) * | 2009-02-06 | 2012-10-23 | Qualcomm Atheros, Inc. | Triggering and transmitting sounding packets for wireless communications |
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US8532211B2 (en) * | 2009-02-20 | 2013-09-10 | Qualcomm Incorporated | Methods and apparatus for power control based antenna switching |
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JP5555763B2 (ja) | 2009-03-17 | 2014-07-23 | インターデイジタル パテント ホールディングス インコーポレイテッド | サウンディング参照信号(srs)送信の電力制御のための方法および機器 |
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CN103069739B (zh) * | 2010-04-02 | 2016-09-21 | 交互数字专利控股公司 | 上行链路探测参考信号配置和传输 |
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KR101099345B1 (ko) | 2010-12-01 | 2011-12-26 | 엘지전자 주식회사 | 무선랜 시스템에서 채널 사운딩 방법 및 장치 |
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2009
- 2009-01-30 US US12/363,269 patent/US8498362B2/en active Active
- 2009-01-30 CN CN200980103891.0A patent/CN101933251B/zh active Active
- 2009-01-30 EP EP09709317.3A patent/EP2238694B1/en active Active
- 2009-01-30 WO PCT/US2009/032659 patent/WO2009099949A2/en active Application Filing
- 2009-01-30 JP JP2010545209A patent/JP5356415B2/ja active Active
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2013
- 2013-07-29 US US13/953,355 patent/US9178586B2/en active Active
- 2013-08-28 JP JP2013176706A patent/JP5813709B2/ja active Active
Cited By (9)
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US9252851B2 (en) | 2011-02-28 | 2016-02-02 | Nec (China) Co., Ltd. | Method and apparatus of performing outer loop link adaptation operation |
CN105409156A (zh) * | 2013-06-11 | 2016-03-16 | 马维尔国际贸易有限公司 | Mimo***中的信道探测和估计策略 |
CN105409156B (zh) * | 2013-06-11 | 2019-03-12 | 马维尔国际贸易有限公司 | Mimo***中的信道探测和估计策略 |
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CN105594171B (zh) * | 2013-09-30 | 2019-03-22 | 沃尔沃汽车公司 | 用于向车载通信中的802.11p OFDM帧中引入补充训练符号的方法 |
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CN114221682A (zh) * | 2021-11-03 | 2022-03-22 | 华为技术有限公司 | 一种天线信道探测方法、装置和存储介质 |
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WO2009099949A3 (en) | 2010-03-11 |
US8498362B2 (en) | 2013-07-30 |
EP2238694A2 (en) | 2010-10-13 |
US9178586B2 (en) | 2015-11-03 |
EP2238694B1 (en) | 2016-05-04 |
US20130315050A1 (en) | 2013-11-28 |
JP2014017837A (ja) | 2014-01-30 |
JP5813709B2 (ja) | 2015-11-17 |
US20090196372A1 (en) | 2009-08-06 |
JP2011514724A (ja) | 2011-05-06 |
JP5356415B2 (ja) | 2013-12-04 |
WO2009099949A2 (en) | 2009-08-13 |
CN101933251B (zh) | 2014-09-03 |
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