CN1883121B - 准确检测接收信号的有效性的方法和设备 - Google Patents

准确检测接收信号的有效性的方法和设备 Download PDF

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Publication number
CN1883121B
CN1883121B CN2004800344653A CN200480034465A CN1883121B CN 1883121 B CN1883121 B CN 1883121B CN 2004800344653 A CN2004800344653 A CN 2004800344653A CN 200480034465 A CN200480034465 A CN 200480034465A CN 1883121 B CN1883121 B CN 1883121B
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signal
autocorrelation
result
valid
correlation
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Chinese (zh)
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CN1883121A (zh
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保罗·M·阿斯特拉汗
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ViXS Systems Inc
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ViXS Systems Inc
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L7/00—Arrangements for synchronising receiver with transmitter
    • H04L7/04—Speed or phase control by synchronisation signals
    • H04L7/041—Speed or phase control by synchronisation signals using special codes as synchronising signal
    • H04L7/042—Detectors therefor, e.g. correlators, state machines
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D7/00—Transference of modulation from one carrier to another, e.g. frequency-changing
    • H03D7/16—Multiple-frequency-changing
    • H03D7/161—Multiple-frequency-changing all the frequency changers being connected in cascade
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L7/00—Arrangements for synchronising receiver with transmitter
    • H04L7/0016—Arrangements for synchronising receiver with transmitter correction of synchronization errors
    • H04L7/0033—Correction by delay
    • H04L7/0041—Delay of data signal
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L7/00—Arrangements for synchronising receiver with transmitter
    • H04L7/0054—Detection of the synchronisation error by features other than the received signal transition
    • H04L7/007—Detection of the synchronisation error by features other than the received signal transition detection of error based on maximum signal power, e.g. peak value, maximizing autocorrelation

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Power Engineering (AREA)
  • Circuits Of Receivers In General (AREA)
  • Monitoring And Testing Of Transmission In General (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
CN2004800344653A 2003-10-10 2004-10-08 准确检测接收信号的有效性的方法和设备 Expired - Fee Related CN1883121B (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US10/683,062 2003-10-10
US10/683,062 US7466775B2 (en) 2002-03-21 2003-10-10 Method and apparatus for accurately detecting validity of a received signal
PCT/CA2004/001815 WO2005036762A1 (en) 2003-10-10 2004-10-08 Method and apparatus for accurately detecting validity of a received signal

Publications (2)

Publication Number Publication Date
CN1883121A CN1883121A (zh) 2006-12-20
CN1883121B true CN1883121B (zh) 2010-11-17

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CN2004800344653A Expired - Fee Related CN1883121B (zh) 2003-10-10 2004-10-08 准确检测接收信号的有效性的方法和设备

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Country Link
US (1) US7466775B2 (enExample)
EP (1) EP1673872A4 (enExample)
JP (1) JP2007507930A (enExample)
CN (1) CN1883121B (enExample)
WO (1) WO2005036762A1 (enExample)

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CN101442520B (zh) * 2007-11-20 2012-04-18 中兴通讯股份有限公司 无线通信系统上行链路中的定时同步方法
CN102064911B (zh) * 2009-11-17 2014-03-26 晨星软件研发(深圳)有限公司 目标信号判断方法及其装置
WO2014115693A1 (ja) * 2013-01-23 2014-07-31 国立大学法人山口大学 同期捕捉方法、同期捕捉回路及び無線通信システム
CN105227392B (zh) * 2014-07-04 2018-07-03 大唐电信科技产业控股有限公司 一种接收定时检测方法及装置
JP6271411B2 (ja) * 2014-12-25 2018-01-31 大井電気株式会社 プリアンブル検出装置
WO2018113903A1 (en) * 2016-12-19 2018-06-28 Telefonaktiebolaget Lm Ericsson (Publ) Systems and methods for switching reference crystal oscillators for a transceiver of a wireless device
CN109283541B (zh) * 2017-07-21 2023-10-13 比亚迪股份有限公司 车载激光雷达测距装置、方法以及汽车
US10514924B2 (en) 2017-09-29 2019-12-24 Intel Corporation Apparatus and method for performing dual signed and unsigned multiplication of packed data elements
US10534838B2 (en) 2017-09-29 2020-01-14 Intel Corporation Bit matrix multiplication
US10802826B2 (en) 2017-09-29 2020-10-13 Intel Corporation Apparatus and method for performing dual signed and unsigned multiplication of packed data elements
US11243765B2 (en) 2017-09-29 2022-02-08 Intel Corporation Apparatus and method for scaling pre-scaled results of complex multiply-accumulate operations on packed real and imaginary data elements
US11256504B2 (en) 2017-09-29 2022-02-22 Intel Corporation Apparatus and method for complex by complex conjugate multiplication
CN107947872A (zh) * 2017-11-20 2018-04-20 珠海市多泰吉智能技术有限公司 一种检测有效性的确定方法和设备以及计算机存储介质
CN110691052B (zh) * 2018-07-06 2021-11-23 扬智科技股份有限公司 符号同步方法与信号接收电路
CN119172047A (zh) * 2024-09-24 2024-12-20 湖南智领通信科技有限公司 面向无线通信系统的帧同步方法、装置、设备和介质
CN119276678B (zh) * 2024-12-06 2025-03-14 苏州门海微电子科技有限公司 基于ofdm系统的信号同步方法及装置

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Also Published As

Publication number Publication date
CN1883121A (zh) 2006-12-20
US20050078773A1 (en) 2005-04-14
EP1673872A4 (en) 2007-10-31
WO2005036762A1 (en) 2005-04-21
EP1673872A1 (en) 2006-06-28
US7466775B2 (en) 2008-12-16
JP2007507930A (ja) 2007-03-29

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