CN101855833B - 用于空分多址和多输入/多输出无线通信系统中的载波功率和干扰噪声估计的方法和装置 - Google Patents
用于空分多址和多输入/多输出无线通信系统中的载波功率和干扰噪声估计的方法和装置 Download PDFInfo
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- CN101855833B CN101855833B CN200880103177.7A CN200880103177A CN101855833B CN 101855833 B CN101855833 B CN 101855833B CN 200880103177 A CN200880103177 A CN 200880103177A CN 101855833 B CN101855833 B CN 101855833B
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- interference
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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
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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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B17/00—Monitoring; Testing
- H04B17/30—Monitoring; Testing of propagation channels
- H04B17/309—Measuring or estimating channel quality parameters
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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
-
- 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
- H04B7/0697—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 spatial multiplexing
-
- 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
- H04B7/0845—Weighted combining per branch equalization, e.g. by an FIR-filter or RAKE receiver per antenna branch
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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
- H04L25/03159—Arrangements for removing intersymbol interference operating in the frequency domain
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B17/00—Monitoring; Testing
- H04B17/20—Monitoring; Testing of receivers
- H04B17/26—Monitoring; Testing of receivers using historical data, averaging values or statistics
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B17/00—Monitoring; Testing
- H04B17/30—Monitoring; Testing of propagation channels
- H04B17/309—Measuring or estimating channel quality parameters
- H04B17/318—Received signal strength
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B17/00—Monitoring; Testing
- H04B17/30—Monitoring; Testing of propagation channels
- H04B17/309—Measuring or estimating channel quality parameters
- H04B17/336—Signal-to-interference ratio [SIR] or carrier-to-interference ratio [CIR]
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Quality & Reliability (AREA)
- Power Engineering (AREA)
- Probability & Statistics with Applications (AREA)
- Noise Elimination (AREA)
- Radio Transmission System (AREA)
Abstract
Description
Claims (20)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/839,759 | 2007-08-16 | ||
US11/839,759 US7792226B2 (en) | 2007-08-16 | 2007-08-16 | Method and apparatus for carrier power and interference-noise estimation in space division multiple access and multiple-input/multiple-output wireless communication systems |
PCT/US2008/072910 WO2009026050A1 (en) | 2007-08-16 | 2008-08-12 | Method and apparatus for carrier power and interference-noise estimation in space division multiple access and multiple-input/multiple-output wireless communication systems |
Publications (2)
Publication Number | Publication Date |
---|---|
CN101855833A CN101855833A (zh) | 2010-10-06 |
CN101855833B true CN101855833B (zh) | 2014-04-23 |
Family
ID=40362938
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN200880103177.7A Active CN101855833B (zh) | 2007-08-16 | 2008-08-12 | 用于空分多址和多输入/多输出无线通信系统中的载波功率和干扰噪声估计的方法和装置 |
Country Status (4)
Country | Link |
---|---|
US (1) | US7792226B2 (zh) |
KR (1) | KR101076483B1 (zh) |
CN (1) | CN101855833B (zh) |
WO (1) | WO2009026050A1 (zh) |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101407045B1 (ko) * | 2007-10-26 | 2014-06-12 | 삼성전자주식회사 | 파일롯 배치 방법, 기록 매체 및 전송 장치 |
US20090316841A1 (en) * | 2008-06-20 | 2009-12-24 | Advanced Micro Devices, Inc. | Null detection and erasure decoding for frequency selective channels in a broadcasting system |
US8325858B2 (en) * | 2008-12-22 | 2012-12-04 | Entropic Communications, Inc. | Estimation of noise variance combined with narrow-band interference detection |
US8306089B2 (en) * | 2009-03-10 | 2012-11-06 | Qualcomm Incorporated | Precoding technique for multiuser MIMO based on eigenmode selection and MMSE |
CN101958852B (zh) * | 2009-07-17 | 2013-08-21 | 中兴通讯股份有限公司 | 一种mimo系统中mld接收机的cinr估计方法及装置 |
CN102045151B (zh) * | 2009-10-20 | 2013-07-03 | 中兴通讯股份有限公司 | 一种正交频分复用系统中噪声估计的方法及装置 |
US8743987B2 (en) * | 2010-08-31 | 2014-06-03 | Optis Cellular Technology, Llc | Symbol detection for alleviating inter-symbol interference |
EP2437448B1 (en) * | 2010-10-01 | 2013-06-26 | Blue Wonder Communications GmbH | Method for Processing Received OFDM Data Symbols and OFDM Baseband Receiver |
CN102843199B (zh) * | 2011-06-23 | 2016-08-24 | 中兴通讯股份有限公司 | 终端噪声干扰监测方法及装置 |
US8831593B2 (en) | 2011-09-15 | 2014-09-09 | Andrew Wireless Systems Gmbh | Configuration sub-system for telecommunication systems |
WO2013040579A1 (en) | 2011-09-16 | 2013-03-21 | Andrew Wireless Systems Gmbh | Integrated intermodulation detection sub-system for telecommunications systems |
EP2896146B1 (en) | 2012-09-14 | 2019-11-06 | Andrew Wireless Systems GmbH | Uplink path integrity detection in distributed antenna systems |
US9209873B1 (en) * | 2012-09-27 | 2015-12-08 | Marvell International Ltd. | Method and apparatus for estimating noise and providing linear equalizers for multi-user MIMO (MU-MIMO) wireless communication systems |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1433168A (zh) * | 2003-02-28 | 2003-07-30 | 清华大学 | 正交频分复用系统基于Walsh变换的抗信道噪声均衡方法 |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7177378B2 (en) * | 2001-03-30 | 2007-02-13 | Telefonaktiebolaget Lm Ericsson (Publ) | Minimization of error contributions in a DMT system |
US6987955B1 (en) * | 2001-04-27 | 2006-01-17 | Bandspeed, Inc. | Approach for managing power for communications channels based on performance |
JP2004088189A (ja) * | 2002-08-23 | 2004-03-18 | Matsushita Electric Ind Co Ltd | データ受信装置およびデータ受信方法 |
KR100651556B1 (ko) * | 2004-06-30 | 2006-11-29 | 삼성전자주식회사 | 통신 시스템에서 cinr 추정 장치 및 방법 |
CN1735083B (zh) * | 2004-07-20 | 2010-10-06 | 日本电气株式会社 | 扩频接收机中的码片均衡器的噪声因子计算方法 |
KR100713436B1 (ko) * | 2004-10-28 | 2007-05-07 | 삼성전자주식회사 | 통신 시스템에서 cinr 추정 장치 및 방법 |
US20070058603A1 (en) * | 2005-08-12 | 2007-03-15 | Samsung Electronics Co., Ltd. | Apparatus and method for estimating and reporting a carrier to interference noise ratio in a multi-antenna system |
WO2007021159A2 (en) | 2005-08-19 | 2007-02-22 | Samsung Electronics Co., Ltd. | Cinr estimating method and device using preamble in ofdm |
KR100863701B1 (ko) * | 2005-08-23 | 2008-10-15 | 삼성전자주식회사 | 다중 안테나 통신 시스템에서 송신안테나 스위칭 장치 및방법 |
US20080075189A1 (en) * | 2006-09-21 | 2008-03-27 | Broadcom Corporation, A California Corporation | Equalizer coefficient determination in the frequency domain for MIMO/MISO radio |
-
2007
- 2007-08-16 US US11/839,759 patent/US7792226B2/en not_active Expired - Fee Related
-
2008
- 2008-08-12 WO PCT/US2008/072910 patent/WO2009026050A1/en active Application Filing
- 2008-08-12 CN CN200880103177.7A patent/CN101855833B/zh active Active
- 2008-08-12 KR KR1020107003234A patent/KR101076483B1/ko active IP Right Grant
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1433168A (zh) * | 2003-02-28 | 2003-07-30 | 清华大学 | 正交频分复用系统基于Walsh变换的抗信道噪声均衡方法 |
Also Published As
Publication number | Publication date |
---|---|
KR20100031776A (ko) | 2010-03-24 |
US7792226B2 (en) | 2010-09-07 |
US20090046772A1 (en) | 2009-02-19 |
WO2009026050A1 (en) | 2009-02-26 |
CN101855833A (zh) | 2010-10-06 |
KR101076483B1 (ko) | 2011-10-24 |
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