KR20080049640A - 무선시스템에서 저복잡도 공액 그레디언트 기반의 등화방법 및 시스템 - Google Patents
무선시스템에서 저복잡도 공액 그레디언트 기반의 등화방법 및 시스템 Download PDFInfo
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- KR20080049640A KR20080049640A KR1020070122176A KR20070122176A KR20080049640A KR 20080049640 A KR20080049640 A KR 20080049640A KR 1020070122176 A KR1020070122176 A KR 1020070122176A KR 20070122176 A KR20070122176 A KR 20070122176A KR 20080049640 A KR20080049640 A KR 20080049640A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/005—Control of transmission; Equalising
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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
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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
- H04L25/03012—Arrangements for removing intersymbol interference operating in the time domain
- H04L25/03019—Arrangements for removing intersymbol interference operating in the time domain adaptive, i.e. capable of adjustment during data reception
- H04L25/03038—Arrangements for removing intersymbol interference operating in the time domain adaptive, i.e. capable of adjustment during data reception with a non-recursive structure
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/01—Equalisers
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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
- 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
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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
- H04L2025/03433—Arrangements for removing intersymbol interference characterised by equaliser structure
- H04L2025/03439—Fixed structures
- H04L2025/03445—Time domain
- H04L2025/03471—Tapped delay lines
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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
- H04L2025/03592—Adaptation methods
- H04L2025/03598—Algorithms
- H04L2025/03611—Iterative algorithms
- H04L2025/03617—Time recursive algorithms
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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
- H04L2025/03592—Adaptation methods
- H04L2025/03598—Algorithms
- H04L2025/03611—Iterative algorithms
- H04L2025/03656—Initialisation
- H04L2025/03662—Initialisation to a fixed value
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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
- H04L2025/03592—Adaptation methods
- H04L2025/03598—Algorithms
- H04L2025/03681—Control of adaptation
- H04L2025/037—Detection of convergence state
Abstract
Description
Claims (10)
- 수신기에서 신호들을 처리하기 위한 방법에 있어서,적어도 하나의 채널 응답 벡터(channel response vector) 및 적어도 하나의 상관 벡터(correlation vector)와 관련된 초기화된 값들에 기초하여 복수의 수신된 클러스터들에 대해 상기 적어도 하나의 채널 응답 벡터 및 상기 적어도 하나의 상관 벡터를 이용하여 복수의 필터탭들(filter taps)을 갱신(update)하는 단계와;상기 갱신된 복수의 필터탭들의 적어도 일부를 이용하여 상기 수신된 신호 클러스터들의 적어도 일부를 필터링하는 단계를 포함하는 것을 특징으로 하는 신호 처리 방법.
- 청구항 1에 있어서, 상기 수신된 신호 클러스터들을 위한 특정 신호-대-잡음비(SNR)가 도달될 때마다 상기 갱신을 반복하는 단계를 포함하는 것을 특징으로 하는 신호 처리 방법.
- 청구항 1에 있어서, 복수의 반복 동안 상기 초기화된 값들을 갱신하는 단계를 포함하는 것을 특징으로 하는 신호 처리 방법.
- 청구항 3에 있어서, 상기 복수의 반복이 특정 횟수에 도달할 때마다 상기 갱신을 반복하는 단계를 포함하는 것을 특징으로 하는 신호 처리 방법.
- 청구항 1에 있어서, 상기 복수의 수신된 클러스터들을 이용하여 복수의 칩속도 동기식 표본 신호들(chip-rate synchronously sampled signals)을 발생시키는 단계를 포함하는 것을 특징으로 하는 신호 처리 방법.
- 수신기에서 신호들을 처리하기 위한 시스템에 있어서,적어도 하나의 채널 응답 벡터(channel response vector) 및 적어도 하나의 상관 벡터(correlation vector)와 관련된 초기화된 값들에 기초하여 복수의 수신된 클러스터들에 대해 상기 적어도 하나의 채널 응답 벡터 및 상기 적어도 하나의 상관 벡터를 이용하여 복수의 필터탭들(filter taps)을 갱신할 수 있도록 하는 적어도 하나의 프로세서를 포함하며,상기 적어도 하나의 프로세서는 상기 갱신된 복수의 필터탭들의 적어도 일부를 이용하여 상기 수신된 신호 클러스터들의 적어도 일부를 필터링할 수 있도록 하는 것을 특징으로 하는 신호 처리 시스템.
- 청구항 6에 있어서, 상기 적어도 하나의 프로세서는 상기 수신된 신호 클러스터들을 위한 특정 신호-대-잡음비(SNR)가 도달될 때마다 상기 갱신을 반복할 수 있도록 하는 것을 특징으로 하는 신호 처리 시스템.
- 청구항 6에 있어서, 상기 적어도 하나의 프로세서는 복수의 반복 동안 상기 초기화된 값들을 갱신할 수 있도록 하는 것을 특징으로 하는 신호 처리 시스템.
- 청구항 8에 있어서, 상기 적어도 하나의 프로세서는 상기 복수의 반복이 특정 횟수에 도달될 때마다 상기 갱신을 반복할 수 있도록 하는 것을 특징으로 하는 신호 처리 시스템.
- 수신기에서 신호를 처리하기 위한 적어도 하나의 코드 섹션을 갖는 컴퓨터 프로그램이 저장된 기계 가독 스토리지(machine-readable storage)에 있어서,상기 적어도 하나의 코드 섹션은, 기계에 의해 실행되어 기계가,적어도 하나의 채널 응답 벡터 및 적어도 하나의 상관 벡터와 관련된 초기화된 값들에 기초하여 복수의 수신된 클러스터들에 대해 상기 적어도 하나의 채널 응답 벡터 및 상기 적어도 하나의 상관 벡터를 이용하여 복수의 필터탭들을 갱신하는 단계와;상기 갱신된 복수의 필터탭들의 적어도 일부를 이용하여 상기 수신된 신호 클러스터들의 적어도 일부를 필터링하도록 하는 단계를 수행하도록 하는 것을 특징으로 하는 기계 가독 스토리지.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/565,365 | 2006-11-30 | ||
US11/565,365 US7856052B2 (en) | 2004-10-06 | 2006-11-30 | Method and system for low complexity conjugate gradient based equalization in a wireless system |
Publications (2)
Publication Number | Publication Date |
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KR20080049640A true KR20080049640A (ko) | 2008-06-04 |
KR100936392B1 KR100936392B1 (ko) | 2010-01-14 |
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KR1020070122176A KR100936392B1 (ko) | 2006-11-30 | 2007-11-28 | 무선시스템에서 저복잡도 공액 그레디언트 기반의 등화방법 및 시스템 |
Country Status (6)
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US (4) | US7856052B2 (ko) |
EP (1) | EP1928137A3 (ko) |
KR (1) | KR100936392B1 (ko) |
CN (1) | CN101192867B (ko) |
HK (1) | HK1120671A1 (ko) |
TW (1) | TWI429245B (ko) |
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US7940848B2 (en) * | 2007-04-02 | 2011-05-10 | Infineon Technologies Ag | System having an OFDM channel estimator |
KR101253098B1 (ko) | 2011-08-05 | 2013-04-10 | 고려대학교 산학협력단 | Ofdma 통신 시스템에서 캐리어 주파수 오프셋을 보상하는 방법 및 장치 |
US9237044B1 (en) * | 2013-05-17 | 2016-01-12 | Altera Corporation | Methods for joint optimization of link equalization |
US9473181B1 (en) * | 2015-12-10 | 2016-10-18 | International Business Machines Corporation | Digital combiner for phased-array RF receivers |
CN106341172B (zh) * | 2016-08-24 | 2019-11-12 | 重庆大学 | 一种天线信息的获取方法及装置 |
WO2018099572A1 (en) * | 2016-12-02 | 2018-06-07 | Huawei Technologies Duesseldorf Gmbh | Techniques for transmission based on numerology selection |
DE102017103418B4 (de) * | 2017-02-20 | 2019-01-24 | Infineon Technologies Ag | Verfahren zum Bestimmen von Informationen über eine Integrität von Signalverarbeitungskomponenten innerhalb eines Signalpfades, Signalverarbeitungsschaltung und elektronische Steuerungseinheit |
TWI650989B (zh) * | 2017-07-28 | 2019-02-11 | 北京集創北方科技股份有限公司 | 自適應延時器及資料與時脈回復電路 |
CN109379306B (zh) | 2017-08-11 | 2021-10-15 | 中兴通讯股份有限公司 | 一种接收信号的处理方法及装置 |
CN107607935A (zh) * | 2017-08-24 | 2018-01-19 | 南京邮电大学 | 一种基于共轭梯度法的室内定位方法 |
CN108347269B (zh) * | 2018-02-09 | 2020-11-03 | 同济大学 | 针对多天线系统的发送接收优化设计方法 |
CN115455341B (zh) * | 2022-10-31 | 2023-02-07 | 湖南大学 | 一种原材料下料排样的求解方法 |
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2006
- 2006-11-30 US US11/565,365 patent/US7856052B2/en not_active Expired - Fee Related
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2007
- 2007-06-26 EP EP07012532.3A patent/EP1928137A3/en not_active Withdrawn
- 2007-11-28 KR KR1020070122176A patent/KR100936392B1/ko active IP Right Grant
- 2007-11-29 CN CN2007101938828A patent/CN101192867B/zh active Active
- 2007-11-29 TW TW096145359A patent/TWI429245B/zh active
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2008
- 2008-11-10 HK HK08112300.2A patent/HK1120671A1/xx not_active IP Right Cessation
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2010
- 2010-11-05 US US12/940,150 patent/US8000424B2/en not_active Expired - Fee Related
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- 2011-07-28 US US13/192,773 patent/US8351556B2/en active Active
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Also Published As
Publication number | Publication date |
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US7856052B2 (en) | 2010-12-21 |
KR100936392B1 (ko) | 2010-01-14 |
US8000424B2 (en) | 2011-08-16 |
US20130128945A1 (en) | 2013-05-23 |
TW200841653A (en) | 2008-10-16 |
EP1928137A3 (en) | 2014-08-27 |
TWI429245B (zh) | 2014-03-01 |
US8351556B2 (en) | 2013-01-08 |
EP1928137A2 (en) | 2008-06-04 |
HK1120671A1 (en) | 2009-04-03 |
US20080130732A1 (en) | 2008-06-05 |
US8891606B2 (en) | 2014-11-18 |
US20110103456A1 (en) | 2011-05-05 |
US20110280298A1 (en) | 2011-11-17 |
CN101192867B (zh) | 2011-07-20 |
CN101192867A (zh) | 2008-06-04 |
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