CN1735083A - 扩频接收机中的码片均衡器的噪声因子计算方法 - Google Patents
扩频接收机中的码片均衡器的噪声因子计算方法 Download PDFInfo
- Publication number
- CN1735083A CN1735083A CNA2005100981709A CN200510098170A CN1735083A CN 1735083 A CN1735083 A CN 1735083A CN A2005100981709 A CNA2005100981709 A CN A2005100981709A CN 200510098170 A CN200510098170 A CN 200510098170A CN 1735083 A CN1735083 A CN 1735083A
- Authority
- CN
- China
- Prior art keywords
- chip
- channel
- calculating
- noise
- estimation
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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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
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/20—Arrangements for detecting or preventing errors in the information received using signal quality detector
-
- 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
- H04L25/03012—Arrangements for removing intersymbol interference operating in the time domain
- H04L25/03114—Arrangements for removing intersymbol interference operating in the time domain non-adaptive, i.e. not adjustable, manually adjustable, or adjustable only during the reception of special signals
- H04L25/03133—Arrangements for removing intersymbol interference operating in the time domain non-adaptive, i.e. not adjustable, manually adjustable, or adjustable only during the reception of special signals with a non-recursive structure
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/69—Spread spectrum techniques
- H04B1/707—Spread spectrum techniques using direct sequence modulation
- H04B1/7097—Interference-related aspects
- H04B1/711—Interference-related aspects the interference being multi-path interference
- H04B1/7115—Constructive combining of multi-path signals, i.e. RAKE receivers
Abstract
Description
Claims (8)
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AU2004904006A AU2004904006A0 (en) | 2004-07-20 | Method of noise factor computation for a chip equaliser in a spread spectrum receiver | |
AU2004904006 | 2004-07-20 | ||
AU2005203016 | 2005-07-06 | ||
AU2005203016A AU2005203016A1 (en) | 2004-07-20 | 2005-07-06 | Method of noise factor computation for a chip equaliser in a spread spectrum receiver |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1735083A true CN1735083A (zh) | 2006-02-15 |
CN1735083B CN1735083B (zh) | 2010-10-06 |
Family
ID=35657072
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN2005100981709A Expired - Fee Related CN1735083B (zh) | 2004-07-20 | 2005-07-19 | 扩频接收机中的码片均衡器的噪声因子计算方法 |
Country Status (2)
Country | Link |
---|---|
US (1) | US7577187B2 (zh) |
CN (1) | CN1735083B (zh) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102111181A (zh) * | 2011-03-18 | 2011-06-29 | 华为技术有限公司 | 平均码片能量与总发送功率谱密度之比的估计方法和装置 |
CN101536392B (zh) * | 2006-12-14 | 2013-10-16 | 开曼晨星半导体公司 | 一种对信号进行噪声/质量估计的装置及方法 |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7656932B2 (en) * | 2005-05-04 | 2010-02-02 | Stmicroelectronics (Rousset) Sas | Digital receiver device |
US7486716B2 (en) * | 2005-06-22 | 2009-02-03 | Telefonaktiebolaget Lm Ericsson (Publ) | Method and apparatus for using chip sample correlations in one or more received signal processing operations |
US7609754B2 (en) * | 2005-08-30 | 2009-10-27 | Telefonaktiebolaget Lm Ericsson (Publ) | Method and apparatus for received communication signal processing |
EP2100389B1 (en) | 2006-12-28 | 2015-09-16 | NEC Corporation | Data equalisation in a communication receiver with transmit and receive diversity |
CN101573888A (zh) * | 2006-12-28 | 2009-11-04 | 日本电气株式会社 | 具有接收分集的通信接收机中的数据均衡 |
US7792226B2 (en) * | 2007-08-16 | 2010-09-07 | Motorola, Inc. | Method and apparatus for carrier power and interference-noise estimation in space division multiple access and multiple-input/multiple-output wireless communication systems |
US8719682B2 (en) * | 2012-06-15 | 2014-05-06 | Lsi Corporation | Adaptive calibration of noise predictive finite impulse response filter |
WO2016071997A1 (ja) * | 2014-11-06 | 2016-05-12 | 富士通株式会社 | 通信システムおよび通信方法 |
JP6554735B2 (ja) | 2015-03-23 | 2019-08-07 | パナソニック株式会社 | ターボ等化器および無線受信装置 |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7324583B2 (en) * | 2004-02-13 | 2008-01-29 | Nokia Corporation | Chip-level or symbol-level equalizer structure for multiple transmit and receiver antenna configurations |
US7388935B2 (en) * | 2004-06-15 | 2008-06-17 | Telefonktiebolaget Lm Ericsson (Publ) | Method of inverting nearly Toeplitz or block Toeplitz matrices |
-
2005
- 2005-07-19 US US11/183,967 patent/US7577187B2/en not_active Expired - Fee Related
- 2005-07-19 CN CN2005100981709A patent/CN1735083B/zh not_active Expired - Fee Related
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101536392B (zh) * | 2006-12-14 | 2013-10-16 | 开曼晨星半导体公司 | 一种对信号进行噪声/质量估计的装置及方法 |
CN102111181A (zh) * | 2011-03-18 | 2011-06-29 | 华为技术有限公司 | 平均码片能量与总发送功率谱密度之比的估计方法和装置 |
CN102111181B (zh) * | 2011-03-18 | 2013-09-11 | 华为技术有限公司 | 平均码片能量与总发送功率谱密度之比的估计方法和装置 |
US8897337B2 (en) | 2011-03-18 | 2014-11-25 | Huawei Technologies Co., Ltd. | Method and device for estimating ratio of average chip energy to total transmit power spectrum density |
Also Published As
Publication number | Publication date |
---|---|
US7577187B2 (en) | 2009-08-18 |
CN1735083B (zh) | 2010-10-06 |
US20060018367A1 (en) | 2006-01-26 |
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Owner name: LENOVO INNOVATION CO., LTD. (HONGKONG) Free format text: FORMER OWNER: NEC CORP. Effective date: 20141119 |
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Effective date of registration: 20141119 Address after: Hongkong, China Patentee after: LENOVO INNOVATIONS Co.,Ltd.(HONG KONG) Address before: Tokyo, Japan Patentee before: NEC Corp. |
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Granted publication date: 20101006 Termination date: 20160719 |
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