CN101107787A - 用于下行链路cdmalmmse均衡器的加权自相关方法 - Google Patents
用于下行链路cdmalmmse均衡器的加权自相关方法 Download PDFInfo
- Publication number
- CN101107787A CN101107787A CNA2005800470519A CN200580047051A CN101107787A CN 101107787 A CN101107787 A CN 101107787A CN A2005800470519 A CNA2005800470519 A CN A2005800470519A CN 200580047051 A CN200580047051 A CN 200580047051A CN 101107787 A CN101107787 A CN 101107787A
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- China
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- matrix
- block
- equalizer
- signal
- autocorrelation
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- 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
- H04B1/7103—Interference-related aspects the interference being multiple access interference
- H04B1/7105—Joint detection techniques, e.g. linear detectors
- H04B1/71052—Joint detection techniques, e.g. linear detectors using decorrelation matrix
-
- 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
- H04B1/7103—Interference-related aspects the interference being multiple access interference
- H04B1/7105—Joint detection techniques, e.g. linear detectors
- H04B1/71055—Joint detection techniques, e.g. linear detectors using minimum mean squared error [MMSE] detector
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Mathematical Physics (AREA)
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
Description
标准 | 1X | 信道模型 | 2抽头IS-98 |
无线电配置 | RC3 | 移动速度 | 8,50,100km/h |
数据速率 | 9.6kbps | 均衡器跨度 | 21个码片 |
DIR | -100dB | 几何 | 6dB. |
扩频增益 | 64 | 初始过采样 | 4个采样每码片 |
码片速率 | 1.2288Mcps | LMMSE过采样 | 2个采样每码片 |
时隙格式编号 | 118 | DIR | -100dB |
数据速率 | 163.2kbps | 信道模型 | 2抽头IS-98 |
扩频增益 | 32 | 移动速度 | 8,50,100km/h |
码片速率 | 1.2288Mcps | 均衡器跨度 | 21个码片 |
沃尔什码总数 | U=25 | 初始过采样 | 4个采样每码片 |
预期沃尔什码 | 3 | LMMSE过采样 | 2个采样每码片 |
导频功率 | 20% | 用户功率分布 | 均匀分布于25个沃尔什码 |
Claims (22)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/020,055 | 2004-12-21 | ||
US11/020,055 US7443909B2 (en) | 2004-12-21 | 2004-12-21 | Weighted autocorrelation method for downlink CDMA LMMSE equalizers |
PCT/IB2005/003658 WO2006067566A2 (en) | 2004-12-21 | 2005-12-02 | A weighted autocorrelation method for downlink cdma lmmse equalizers |
Publications (2)
Publication Number | Publication Date |
---|---|
CN101107787A true CN101107787A (zh) | 2008-01-16 |
CN101107787B CN101107787B (zh) | 2011-05-11 |
Family
ID=36595701
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN2005800470519A Active CN101107787B (zh) | 2004-12-21 | 2005-12-02 | 用于下行链路cdma lmmse均衡器的加权自相关方法 |
Country Status (5)
Country | Link |
---|---|
US (1) | US7443909B2 (zh) |
EP (1) | EP1829233A4 (zh) |
CN (1) | CN101107787B (zh) |
TW (1) | TWI305450B (zh) |
WO (1) | WO2006067566A2 (zh) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB0322685D0 (en) * | 2003-09-27 | 2003-10-29 | Koninkl Philips Electronics Nv | Method of position determination |
US7924930B1 (en) * | 2006-02-15 | 2011-04-12 | Marvell International Ltd. | Robust synchronization and detection mechanisms for OFDM WLAN systems |
US8275323B1 (en) | 2006-07-14 | 2012-09-25 | Marvell International Ltd. | Clear-channel assessment in 40 MHz wireless receivers |
GB0615068D0 (en) * | 2006-07-28 | 2006-09-06 | Ttp Communications Ltd | Digital radio systems |
US8982849B1 (en) | 2011-12-15 | 2015-03-17 | Marvell International Ltd. | Coexistence mechanism for 802.11AC compliant 80 MHz WLAN receivers |
US9008165B2 (en) * | 2012-01-11 | 2015-04-14 | Realtek Semiconductor Corp. | Digital phase equalizer for serial link receiver and method thereof |
US10812955B2 (en) | 2013-01-05 | 2020-10-20 | Brian G Agee | Generation of signals with unpredictable transmission properties for wireless M2M networks |
US9648444B2 (en) | 2014-01-06 | 2017-05-09 | Brian G. Agee | Physically secure digital signal processing for wireless M2M networks |
US9520985B2 (en) * | 2013-01-18 | 2016-12-13 | Kumu Networks, Inc. | Tuning algorithm for multi-tap signal cancellation circuit |
CN106411799B (zh) * | 2016-10-12 | 2019-06-11 | 哈尔滨工业大学 | 低轨卫星移动通信单载波频域均衡方法 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5790598A (en) * | 1996-03-01 | 1998-08-04 | Her Majesty The Queen In Right Of Canada | Block decision feedback equalizer |
US7158558B2 (en) * | 2001-04-26 | 2007-01-02 | Interuniversitair Microelektronica Centrum (Imec) | Wideband multiple access telecommunication method and apparatus |
FR2829326A1 (fr) * | 2001-09-06 | 2003-03-07 | France Telecom | Procede et systeme de reception iterative sous optimale pour systeme de transmission haut debit cdma |
US7042967B2 (en) * | 2003-03-03 | 2006-05-09 | Interdigital Technology Corporation | Reduced complexity sliding window based equalizer |
EP1602202A4 (en) * | 2003-03-13 | 2007-05-23 | Meshnetworks Inc | REAL-TIME SYSTEM AND METHOD FOR IMPROVING THE ACCURACY OF THE CALCULATED POSITION OF MOBILE PARTICIPANTS IN A WIRELESS AD-HOC NETWORK WITH A SLOW CENTRALIZED PROCESSING UNIT |
JP2004312145A (ja) * | 2003-04-03 | 2004-11-04 | Matsushita Electric Ind Co Ltd | 適応等化器 |
US7586982B2 (en) * | 2003-05-06 | 2009-09-08 | Nokia Corporation | Kalman filter based method and apparatus for linear equalization of CDMA downlink channels |
US7570689B2 (en) | 2005-02-14 | 2009-08-04 | Interdigital Technology Corporation | Advanced receiver with sliding window block linear equalizer |
-
2004
- 2004-12-21 US US11/020,055 patent/US7443909B2/en active Active
-
2005
- 2005-12-02 CN CN2005800470519A patent/CN101107787B/zh active Active
- 2005-12-02 EP EP05810389A patent/EP1829233A4/en not_active Withdrawn
- 2005-12-02 WO PCT/IB2005/003658 patent/WO2006067566A2/en active Application Filing
- 2005-12-20 TW TW094145199A patent/TWI305450B/zh active
Also Published As
Publication number | Publication date |
---|---|
US20060133462A1 (en) | 2006-06-22 |
CN101107787B (zh) | 2011-05-11 |
WO2006067566B1 (en) | 2007-01-18 |
WO2006067566A3 (en) | 2006-12-28 |
EP1829233A2 (en) | 2007-09-05 |
TW200637193A (en) | 2006-10-16 |
US7443909B2 (en) | 2008-10-28 |
TWI305450B (en) | 2009-01-11 |
EP1829233A4 (en) | 2010-10-27 |
WO2006067566A2 (en) | 2006-06-29 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
CI01 | Publication of corrected invention patent application |
Correction item: Name Correct: For downlink CDMA Weighted autocorrelation method for LMMSE equalizer False: Weighted autocorrelation method for downlink CDMALMMSE equalizers Number: 3 Page: 993 Volume: 24 |
|
CI02 | Correction of invention patent application |
Correction item: Name Correct: For downlink CDMA Weighted autocorrelation method for LMMSE equalizer False: Weighted autocorrelation method for downlink CDMALMMSE equalizers Number: 3 Page: The title page Volume: 24 |
|
COR | Change of bibliographic data |
Free format text: CORRECT: NAME; FROM: WEIGHTED AUTO-CORRELATION METHOD FOR CDMALMMSE DOWNLINK EQUALIZER TO: FOR DOWNLINK CDMA WEIGHTED AUTOCORRELATION METHOD OF LMMSE EQUILIZER |
|
ERR | Gazette correction |
Free format text: CORRECT: NAME; FROM: WEIGHTED AUTO-CORRELATION METHOD FOR CDMALMMSE DOWNLINK EQUALIZER TO: FOR DOWNLINK CDMA WEIGHTED AUTOCORRELATION METHOD OF LMMSE EQUILIZER |
|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20160206 Address after: Espoo, Finland Patentee after: Technology Co., Ltd. of Nokia Address before: Espoo, Finland Patentee before: Nokia Oyj |