CN1324524A - 瑞克接收机 - Google Patents
瑞克接收机 Download PDFInfo
- Publication number
- CN1324524A CN1324524A CN99812580.6A CN99812580A CN1324524A CN 1324524 A CN1324524 A CN 1324524A CN 99812580 A CN99812580 A CN 99812580A CN 1324524 A CN1324524 A CN 1324524A
- Authority
- CN
- China
- Prior art keywords
- signal
- interference
- rake receiver
- estimator
- antenna branch
- 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
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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
- H04B7/0891—Space-time diversity
- H04B7/0897—Space-time diversity using beamforming per multi-path, e.g. to cope with different directions of arrival [DOA] at different multi-paths
-
- 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
- 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
- H04B7/0848—Joint weighting
- H04B7/0857—Joint weighting using maximum ratio combining techniques, e.g. signal-to- interference ratio [SIR], received signal strenght indication [RSS]
-
- 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
- H04B1/7117—Selection, re-selection, allocation or re-allocation of paths to fingers, e.g. timing offset control of allocated fingers
-
- 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
- H04B1/712—Weighting of fingers for combining, e.g. amplitude control or phase rotation using an inner loop
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B2201/00—Indexing scheme relating to details of transmission systems not covered by a single group of H04B3/00 - H04B13/00
- H04B2201/69—Orthogonal indexing scheme relating to spread spectrum techniques in general
- H04B2201/707—Orthogonal indexing scheme relating to spread spectrum techniques in general relating to direct sequence modulation
- H04B2201/70701—Orthogonal indexing scheme relating to spread spectrum techniques in general relating to direct sequence modulation featuring pilot assisted reception
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B2201/00—Indexing scheme relating to details of transmission systems not covered by a single group of H04B3/00 - H04B13/00
- H04B2201/69—Orthogonal indexing scheme relating to spread spectrum techniques in general
- H04B2201/707—Orthogonal indexing scheme relating to spread spectrum techniques in general relating to direct sequence modulation
- H04B2201/7097—Direct sequence modulation interference
- H04B2201/709727—GRAKE type RAKE receivers
-
- 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
- H04B7/0848—Joint weighting
- H04B7/0851—Joint weighting using training sequences or error signal
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
Description
Claims (23)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/FI1999/000984 WO2001013530A1 (en) | 1999-11-26 | 1999-11-26 | Rake receiver |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1324524A true CN1324524A (zh) | 2001-11-28 |
CN1148889C CN1148889C (zh) | 2004-05-05 |
Family
ID=8556763
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB998125806A Expired - Fee Related CN1148889C (zh) | 1999-11-26 | 1999-11-26 | 瑞克接收机 |
Country Status (8)
Country | Link |
---|---|
US (1) | US6529545B2 (zh) |
EP (1) | EP1145459B1 (zh) |
CN (1) | CN1148889C (zh) |
AU (1) | AU772722B2 (zh) |
DE (1) | DE69931521T2 (zh) |
ES (1) | ES2264586T3 (zh) |
NO (1) | NO20011494L (zh) |
WO (1) | WO2001013530A1 (zh) |
Cited By (5)
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CN100349392C (zh) * | 2002-10-16 | 2007-11-14 | 华为技术有限公司 | 信号锁定指示判定的实现方法及其装置 |
CN100364242C (zh) * | 2005-09-13 | 2008-01-23 | 浙江华立通信集团有限公司 | 可嵌入Rake接收机系统 |
CN100382449C (zh) * | 2004-01-09 | 2008-04-16 | 王晓安 | 从通信信号中复原数据的方法及实现该方法的rake接收器 |
CN101069362B (zh) * | 2004-10-06 | 2011-05-25 | 艾利森电话股份有限公司 | 用于扩频接收机中延迟选择的设备、方法及计算机程序产品 |
CN101048949B (zh) * | 2004-03-12 | 2012-12-12 | 艾利森电话股份有限公司 | 在通用rake接收机中用于参数估计的方法和设备 |
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KR102273529B1 (ko) * | 2015-02-27 | 2021-07-06 | 삼성전자 주식회사 | 이동 통신 시스템에서 수신 장치의 신호 조정 방법 및 장치 |
CN113037590B (zh) * | 2021-03-02 | 2022-06-17 | 成都爱瑞无线科技有限公司 | 一种用于通信系统中的时延估计方法和装置 |
CN114609651B (zh) * | 2022-03-28 | 2023-06-16 | 电子科技大学 | 基于小样本数据的卫星导航接收机空域抗干扰方法 |
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CN1064494C (zh) * | 1993-06-02 | 2001-04-11 | 罗克马诺尔研究有限公司 | 组合了扩频信号所有可用多径组件的瑞克接收机 |
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US5680419A (en) * | 1994-08-02 | 1997-10-21 | Ericsson Inc. | Method of and apparatus for interference rejection combining in multi-antenna digital cellular communications systems |
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US5809020A (en) * | 1996-03-18 | 1998-09-15 | Motorola, Inc. | Method for adaptively adjusting weighting coefficients in a cDMA radio receiver |
JP3795984B2 (ja) * | 1996-12-20 | 2006-07-12 | 富士通株式会社 | 無線受信機 |
JP3095065B2 (ja) * | 1997-09-11 | 2000-10-03 | 日本電気株式会社 | スペクトル拡散信号のレイク受信方法およびレイク受信装置 |
JP2991179B2 (ja) * | 1998-01-08 | 1999-12-20 | 日本電気株式会社 | Cdmaマルチユーザ受信装置 |
US6839378B1 (en) * | 1998-01-12 | 2005-01-04 | Ericsson, Inc. | Method and apparatus for multipath delay estimation in direct sequence spread spectrum communication systems |
FI106897B (fi) * | 1998-09-14 | 2001-04-30 | Nokia Networks Oy | RAKE-vastaanotin |
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1999
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2001
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Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
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CN100349392C (zh) * | 2002-10-16 | 2007-11-14 | 华为技术有限公司 | 信号锁定指示判定的实现方法及其装置 |
CN100382449C (zh) * | 2004-01-09 | 2008-04-16 | 王晓安 | 从通信信号中复原数据的方法及实现该方法的rake接收器 |
CN101048949B (zh) * | 2004-03-12 | 2012-12-12 | 艾利森电话股份有限公司 | 在通用rake接收机中用于参数估计的方法和设备 |
CN101069362B (zh) * | 2004-10-06 | 2011-05-25 | 艾利森电话股份有限公司 | 用于扩频接收机中延迟选择的设备、方法及计算机程序产品 |
CN100364242C (zh) * | 2005-09-13 | 2008-01-23 | 浙江华立通信集团有限公司 | 可嵌入Rake接收机系统 |
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US6529545B2 (en) | 2003-03-04 |
CN1148889C (zh) | 2004-05-05 |
NO20011494D0 (no) | 2001-03-23 |
ES2264586T3 (es) | 2007-01-01 |
NO20011494L (no) | 2001-04-27 |
US20010017883A1 (en) | 2001-08-30 |
DE69931521D1 (de) | 2006-06-29 |
DE69931521T2 (de) | 2006-12-21 |
AU772722B2 (en) | 2004-05-06 |
AU1660400A (en) | 2001-03-13 |
EP1145459B1 (en) | 2006-05-24 |
EP1145459A1 (en) | 2001-10-17 |
WO2001013530A1 (en) | 2001-02-22 |
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