DE69630088D1 - Kreislauf zum Erfassen kurzer Pakete für eine Direktsequenzspreizspektrumverbindung - Google Patents

Kreislauf zum Erfassen kurzer Pakete für eine Direktsequenzspreizspektrumverbindung

Info

Publication number
DE69630088D1
DE69630088D1 DE69630088T DE69630088T DE69630088D1 DE 69630088 D1 DE69630088 D1 DE 69630088D1 DE 69630088 T DE69630088 T DE 69630088T DE 69630088 T DE69630088 T DE 69630088T DE 69630088 D1 DE69630088 D1 DE 69630088D1
Authority
DE
Germany
Prior art keywords
spread spectrum
direct sequence
sequence spread
packet capture
capture circuit
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.)
Expired - Lifetime
Application number
DE69630088T
Other languages
English (en)
Other versions
DE69630088T2 (de
Inventor
Carl F Andren
John C Fakatselis
Leonard V Lucas
Jim Snell
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Intellectual Ventures I LLC
Original Assignee
Harris Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Harris Corp filed Critical Harris Corp
Application granted granted Critical
Publication of DE69630088D1 publication Critical patent/DE69630088D1/de
Publication of DE69630088T2 publication Critical patent/DE69630088T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

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
    • H04B1/7073—Synchronisation aspects
    • H04B1/7075—Synchronisation aspects with code phase acquisition
    • H04B1/7077—Multi-step acquisition, e.g. multi-dwell, coarse-fine or validation
    • 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
    • H04B1/7073—Synchronisation aspects
    • H04B1/7075—Synchronisation aspects with code phase acquisition
    • H04B1/70751—Synchronisation aspects with code phase acquisition using partial detection
    • 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
    • H04B1/7073—Synchronisation aspects
    • H04B1/7075—Synchronisation aspects with code phase acquisition
    • H04B1/7077—Multi-step acquisition, e.g. multi-dwell, coarse-fine or validation
    • H04B1/70775—Multi-dwell schemes, i.e. multiple accumulation times
    • 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
    • H04B1/7073—Synchronisation aspects
    • H04B1/7087—Carrier synchronisation aspects
    • 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
    • H04B1/709—Correlator structure
    • 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
    • H04B7/0802—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 antenna selection
    • H04B7/0805—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 antenna selection with single receiver and antenna switching
    • H04B7/0808—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 antenna selection with single receiver and antenna switching comparing all antennas before reception
    • H04B7/0811—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 antenna selection with single receiver and antenna switching comparing all antennas before reception during preamble or gap period
    • 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
    • H04B1/71—Interference-related aspects the interference being narrowband interference

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
  • Radio Transmission System (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
DE69630088T 1995-07-31 1996-07-18 Kreislauf zum Erfassen kurzer Pakete für eine Direktsequenzspreizspektrumverbindung Expired - Lifetime DE69630088T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/509,587 US5883921A (en) 1995-07-31 1995-07-31 Short burst acquisition circuit and method for direct sequence spread spectrum links
US509587 1995-07-31

Publications (2)

Publication Number Publication Date
DE69630088D1 true DE69630088D1 (de) 2003-10-30
DE69630088T2 DE69630088T2 (de) 2004-07-08

Family

ID=24027285

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69630088T Expired - Lifetime DE69630088T2 (de) 1995-07-31 1996-07-18 Kreislauf zum Erfassen kurzer Pakete für eine Direktsequenzspreizspektrumverbindung

Country Status (5)

Country Link
US (1) US5883921A (de)
EP (1) EP0757451B1 (de)
JP (1) JPH09135234A (de)
KR (1) KR100430157B1 (de)
DE (1) DE69630088T2 (de)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5982807A (en) * 1997-03-17 1999-11-09 Harris Corporation High data rate spread spectrum transceiver and associated methods
US6085076A (en) * 1997-04-07 2000-07-04 Omnipoint Corporation Antenna diversity for wireless communication system
JP3290926B2 (ja) * 1997-07-04 2002-06-10 松下電器産業株式会社 送信ダイバーシチ装置
CN1110180C (zh) * 1997-12-17 2003-05-28 株式会社建伍 接收机
FI105629B (fi) * 1997-12-22 2000-09-15 Nokia Networks Oy Menetelmä taajuusvirheen estimointiin
US6212368B1 (en) * 1998-05-27 2001-04-03 Ericsson Inc. Measurement techniques for diversity and inter-frequency mobile assisted handoff (MAHO)
US20010033603A1 (en) * 2000-01-21 2001-10-25 Microgistics, Inc. Spread spectrum burst signal receiver and related methods
NZ509688A (en) * 2001-02-01 2003-06-30 Ind Res Ltd Maximum likelihood sychronisation (estimating time delay) for wireless digital communications system using a pilot symbol
GB0126067D0 (en) * 2001-10-31 2001-12-19 Zarlink Semiconductor Ltd Method of and apparatus for detecting impulsive noise method of operating a demodulator demodulator and radio receiver
FR2833435B1 (fr) 2001-12-06 2004-02-27 Thomson Licensing Sa Methode de selection de chemin de reception et dispositif de reception comprenant plusieurs chemins de reception
GB2398964B (en) * 2003-02-27 2005-08-17 Toshiba Res Europ Ltd Signal processing apparatus and methods
US7359692B2 (en) * 2003-06-30 2008-04-15 Zarbana Digital Fund, Llc Method of and device for antennae diversity switching
US8731074B2 (en) * 2008-09-17 2014-05-20 Harris Corporation Communications device using measured frequency offset over time to adjust phase and frequency tracking
US8565324B2 (en) * 2008-09-17 2013-10-22 Harris Corporation Communications device using measured signal-to-noise ratio to adjust phase and frequency tracking
EP2207273B1 (de) * 2009-01-09 2016-01-06 AKG Acoustics GmbH Verfahren und Gerät zum Empfangen digitaler Audiodaten
US8160503B2 (en) 2009-02-27 2012-04-17 Research In Motion Limited Method and system for characterizing a radio channel of a wireless network using variability of synchronization
WO2010121258A1 (en) * 2009-04-17 2010-10-21 Raytheon Compnay Communication system incorporating physical layer waveform structure
US9071342B1 (en) * 2010-04-08 2015-06-30 Marvell International Ltd. Method and apparatus for correlating global positioning system (GPS) pseudorandom noise (PRN) codes
WO2012165349A1 (ja) 2011-06-02 2012-12-06 オリンパスメディカルシステムズ株式会社 受信装置およびカプセル型内視鏡システム
KR101404994B1 (ko) * 2012-05-25 2014-06-10 주식회사 위즈노바 캐리어 주파수 오차를 고려한 신호 검출 장치 및 방법
CN115242264B (zh) * 2022-07-18 2024-04-26 中国电子科技集团公司第五十四研究所 基于非数据辅助的短猝发扩频信号捕获及载波恢复方法

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4485358A (en) * 1981-09-28 1984-11-27 E-Systems, Inc. Method and apparatus for pulse angle modulation
FR2614157B1 (fr) * 1987-04-14 1994-04-08 Thomson Csf Procede de selection automatique d'une antenne de reception directive parmi une pluralite d'antennes de reception
GB9019487D0 (en) * 1990-09-06 1990-10-24 Ncr Co Carrier detection for a wireless local area network
DK0987851T3 (da) * 1993-09-30 2003-09-08 Conexant Systems Inc Hjemmebase med flere antenner til digitale trådløse telefoner
US5621770A (en) * 1994-08-31 1997-04-15 Motorola, Inc. Method and system for processing first and second digital signal versions of a signal in a diversity receiver

Also Published As

Publication number Publication date
JPH09135234A (ja) 1997-05-20
KR970008944A (ko) 1997-02-24
US5883921A (en) 1999-03-16
EP0757451A3 (de) 2000-06-07
KR100430157B1 (ko) 2004-07-30
EP0757451B1 (de) 2003-09-24
DE69630088T2 (de) 2004-07-08
EP0757451A2 (de) 1997-02-05

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: CONEXANT,INC,.(N.D.GES.D.STAATES DELAWARE), RE, US

8327 Change in the person/name/address of the patent owner

Owner name: XOCYST TRANSFER AG L.L.C., WILMINGTON, DEL., US