CN101622839A - 信号估算及调整 - Google Patents
信号估算及调整 Download PDFInfo
- Publication number
- CN101622839A CN101622839A CN200780027382A CN200780027382A CN101622839A CN 101622839 A CN101622839 A CN 101622839A CN 200780027382 A CN200780027382 A CN 200780027382A CN 200780027382 A CN200780027382 A CN 200780027382A CN 101622839 A CN101622839 A CN 101622839A
- Authority
- CN
- China
- Prior art keywords
- received signal
- sampling
- channel
- energy
- response
- 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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Classifications
-
- 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
-
- 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
-
- 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
-
- 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
- H04L2025/0335—Arrangements for removing intersymbol interference characterised by the type of transmission
- H04L2025/03426—Arrangements for removing intersymbol interference characterised by the type of transmission transmission using multiple-input and multiple-output channels
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Power Engineering (AREA)
- Mobile Radio Communication Systems (AREA)
- Radio Transmission System (AREA)
Abstract
Description
Claims (18)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GBGB0615292.0A GB0615292D0 (en) | 2006-08-01 | 2006-08-01 | Signal evaluation and adjustment |
GB0615292.0 | 2006-08-01 | ||
PCT/GB2007/002826 WO2008015389A1 (en) | 2006-08-01 | 2007-07-26 | Signal evaluation and adjustment |
Publications (2)
Publication Number | Publication Date |
---|---|
CN101622839A true CN101622839A (zh) | 2010-01-06 |
CN101622839B CN101622839B (zh) | 2013-12-18 |
Family
ID=37006573
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN2007800273825A Active CN101622839B (zh) | 2006-08-01 | 2007-07-26 | 信号估算及调整 |
Country Status (6)
Country | Link |
---|---|
US (1) | US8472575B2 (zh) |
EP (1) | EP2052508A1 (zh) |
CN (1) | CN101622839B (zh) |
GB (1) | GB0615292D0 (zh) |
TW (1) | TWI463843B (zh) |
WO (1) | WO2008015389A1 (zh) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106101042A (zh) * | 2016-05-31 | 2016-11-09 | 杭州电子科技大学 | 一种基于多噪声的cfo估计方法 |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101061067B1 (ko) * | 2008-10-27 | 2011-08-31 | 한국전자통신연구원 | 식별신호를 이용한 개별 수신전력 계산 장치 및 방법 |
CN101888350A (zh) * | 2009-05-14 | 2010-11-17 | 承景科技股份有限公司 | 噪声能量估算方法及其相关装置 |
US8711751B2 (en) * | 2009-09-25 | 2014-04-29 | Apple Inc. | Methods and apparatus for dynamic identification (ID) assignment in wireless networks |
CN102594739B (zh) * | 2011-01-07 | 2017-03-15 | 上海贝尔股份有限公司 | 信道估计方法、导频信息选择方法、用户设备和基站 |
KR20120138169A (ko) * | 2011-06-14 | 2012-12-24 | 삼성전자주식회사 | 무선 통신 시스템에서 신호 수신 장치 및 방법 |
CN107276923B (zh) * | 2016-04-07 | 2020-07-28 | 富士通株式会社 | 抗混叠的信道估计装置、方法以及接收机 |
CN107306152A (zh) * | 2016-04-22 | 2017-10-31 | 富士通株式会社 | 信号处理装置、信道间隔检测装置、方法和系统 |
GB201810548D0 (en) | 2018-06-27 | 2018-08-15 | Nordic Semiconductor Asa | OFDM channel estimation |
GB201810547D0 (en) * | 2018-06-27 | 2018-08-15 | Nordic Semiconductor Asa | OFDM channel estimation |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5809086A (en) * | 1996-03-20 | 1998-09-15 | Lucent Technologies Inc. | Intelligent timing recovery for a broadband adaptive equalizer |
US6618352B1 (en) * | 1998-05-26 | 2003-09-09 | Matsushita Electric Industrial Co., Ltd. | Modulator, demodulator, and transmission system for use in OFDM transmission |
US6442193B1 (en) * | 1999-03-30 | 2002-08-27 | Koninklijke Philips Electronics N.V. | Combining sub-chip resolution samples in arms of a spread-spectrum rake receiver |
CA2381314A1 (en) * | 1999-12-30 | 2001-07-12 | Bandspeed, Inc. | Approach for processing data received from a communications channel in finite precision arithmetic applications |
US7058144B2 (en) * | 2001-08-07 | 2006-06-06 | Conexant, Inc. | Intelligent control system and method for compensation application in a wireless communications system |
US7139320B1 (en) * | 2001-10-11 | 2006-11-21 | Texas Instruments Incorporated | Method and apparatus for multicarrier channel estimation and synchronization using pilot sequences |
US6931585B1 (en) * | 2002-01-03 | 2005-08-16 | Marvell International Ltd. | Detection in the presence of media noise |
EP1379040A1 (en) * | 2002-07-03 | 2004-01-07 | Motorola, Inc. | Arrangement and method for iterative channel impulse response estimation |
US20070127355A1 (en) * | 2003-12-05 | 2007-06-07 | Koninklijke Philips Electronics N.V. | Method and apparatus of noise variance estimation for use in wireless communication systems |
CN1625075A (zh) * | 2003-12-05 | 2005-06-08 | 皇家飞利浦电子股份有限公司 | 一种用于无线通信体系的噪声方差估算方法及装置 |
JP4369294B2 (ja) * | 2004-05-13 | 2009-11-18 | 株式会社エヌ・ティ・ティ・ドコモ | 雑音電力推定装置、雑音電力推定方法及び信号検出装置 |
US7672383B2 (en) * | 2004-09-17 | 2010-03-02 | Qualcomm Incorporated | Noise variance estimation in wireless communications for diversity combining and log-likelihood scaling |
US7668269B2 (en) * | 2005-05-09 | 2010-02-23 | Ati Technologies, Inc. | Systems, methods, and apparatus for phase noise mitigation |
US7936810B2 (en) * | 2005-09-08 | 2011-05-03 | Texas Instruments Incorporated | Delayed combining of frequency-domain equalized wireless channels with large delay-spreads |
-
2006
- 2006-08-01 GB GBGB0615292.0A patent/GB0615292D0/en not_active Ceased
-
2007
- 2007-07-26 TW TW096127242A patent/TWI463843B/zh not_active IP Right Cessation
- 2007-07-26 CN CN2007800273825A patent/CN101622839B/zh active Active
- 2007-07-26 US US12/374,712 patent/US8472575B2/en active Active
- 2007-07-26 EP EP07789054A patent/EP2052508A1/en not_active Ceased
- 2007-07-26 WO PCT/GB2007/002826 patent/WO2008015389A1/en active Application Filing
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106101042A (zh) * | 2016-05-31 | 2016-11-09 | 杭州电子科技大学 | 一种基于多噪声的cfo估计方法 |
CN106101042B (zh) * | 2016-05-31 | 2019-05-14 | 杭州电子科技大学 | 一种基于多噪声的cfo估计方法 |
Also Published As
Publication number | Publication date |
---|---|
TWI463843B (zh) | 2014-12-01 |
CN101622839B (zh) | 2013-12-18 |
EP2052508A1 (en) | 2009-04-29 |
US8472575B2 (en) | 2013-06-25 |
TW200814650A (en) | 2008-03-16 |
US20090323791A1 (en) | 2009-12-31 |
GB0615292D0 (en) | 2006-09-06 |
WO2008015389A1 (en) | 2008-02-07 |
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Legal Events
Date | Code | Title | Description |
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C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
TR01 | Transfer of patent right |
Effective date of registration: 20210104 Address after: No.1, Duhang 1st Road, Hsinchu City, Hsinchu Science Park, Taiwan, China Patentee after: MEDIATEK Inc. Address before: No.1, Duhang 1st Road, Hsinchu City, Hsinchu Science Park, Taiwan, China Patentee before: MEDIATEK Inc. Patentee before: MSTAR FRANCE S.A.S. Patentee before: Mstar Semiconductor,Inc. Effective date of registration: 20210104 Address after: No.1, Duhang 1st Road, Hsinchu City, Hsinchu Science Park, Taiwan, China Patentee after: MEDIATEK Inc. Patentee after: MSTAR FRANCE S.A.S. Patentee after: Mstar Semiconductor,Inc. Address before: No.1, Duhang 1st Road, Hsinchu City, Hsinchu Science Park, Taiwan, China Patentee before: MEDIATEK Inc. Patentee before: MSTAR FRANCE S.A.S. Patentee before: Mstar Semiconductor,Inc. Patentee before: MSTAR SEMICONDUCTOR Inc. Effective date of registration: 20210104 Address after: No.1, Duhang 1st Road, Hsinchu City, Hsinchu Science Park, Taiwan, China Patentee after: MEDIATEK Inc. Patentee after: MSTAR FRANCE S.A.S. Patentee after: Mstar Semiconductor,Inc. Patentee after: MSTAR SEMICONDUCTOR Inc. Address before: Greater Cayman, British Cayman Islands Patentee before: Cayman Morningstar Semiconductor Patentee before: MSTAR FRANCE S.A.S. Patentee before: Mstar Semiconductor,Inc. Patentee before: MSTAR SEMICONDUCTOR Inc. |
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TR01 | Transfer of patent right | ||
TR01 | Transfer of patent right |
Effective date of registration: 20220519 Address after: Ontario, Canada Patentee after: Xueshan Technology Co.,Ltd. Address before: No.1, Duhang 1st Road, Hsinchu City, Hsinchu Science Park, Taiwan, China Patentee before: MEDIATEK Inc. |
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TR01 | Transfer of patent right |