ATE297084T1 - Synchronisierung von pcm und pseudozufallstaktgebern - Google Patents

Synchronisierung von pcm und pseudozufallstaktgebern

Info

Publication number
ATE297084T1
ATE297084T1 AT00965197T AT00965197T ATE297084T1 AT E297084 T1 ATE297084 T1 AT E297084T1 AT 00965197 T AT00965197 T AT 00965197T AT 00965197 T AT00965197 T AT 00965197T AT E297084 T1 ATE297084 T1 AT E297084T1
Authority
AT
Austria
Prior art keywords
pcm
pseudo
synchronization
clocks
random
Prior art date
Application number
AT00965197T
Other languages
English (en)
Inventor
John Kaewell
Original Assignee
Interdigital Tech 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 Interdigital Tech Corp filed Critical Interdigital Tech Corp
Application granted granted Critical
Publication of ATE297084T1 publication Critical patent/ATE297084T1/de

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J3/00—Time-division multiplex systems
    • H04J3/02—Details
    • H04J3/06—Synchronising arrangements
    • H04J3/0635—Clock or time synchronisation in a network
    • H04J3/0685—Clock or time synchronisation in a node; Intranode synchronisation
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03L—AUTOMATIC CONTROL, STARTING, SYNCHRONISATION, OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
    • H03L7/00—Automatic control of frequency or phase; Synchronisation
    • H03L7/06—Automatic control of frequency or phase; Synchronisation using a reference signal applied to a frequency- or phase-locked loop
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03L—AUTOMATIC CONTROL, STARTING, SYNCHRONISATION, OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
    • H03L7/00—Automatic control of frequency or phase; Synchronisation
    • H03L7/06—Automatic control of frequency or phase; Synchronisation using a reference signal applied to a frequency- or phase-locked loop
    • H03L7/16—Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop
    • H03L7/18—Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop using a frequency divider or counter in the loop
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03L—AUTOMATIC CONTROL, STARTING, SYNCHRONISATION, OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
    • H03L7/00—Automatic control of frequency or phase; Synchronisation
    • H03L7/06—Automatic control of frequency or phase; Synchronisation using a reference signal applied to a frequency- or phase-locked loop
    • H03L7/16—Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop
    • H03L7/22—Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop using more than one loop
    • H03L7/23—Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop using more than one loop with pulse counters or frequency dividers
    • 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
    • H04B1/7085—Synchronisation aspects using a code tracking loop, e.g. a delay-locked loop
    • 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
AT00965197T 1999-10-08 2000-09-21 Synchronisierung von pcm und pseudozufallstaktgebern ATE297084T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/415,322 US6704380B1 (en) 1999-10-08 1999-10-08 Synchronizing PCM and pseudorandom clocks
PCT/US2000/025773 WO2001028151A1 (en) 1999-10-08 2000-09-21 Synchronizing pcm and pseudorandom clocks

Publications (1)

Publication Number Publication Date
ATE297084T1 true ATE297084T1 (de) 2005-06-15

Family

ID=23645239

Family Applications (1)

Application Number Title Priority Date Filing Date
AT00965197T ATE297084T1 (de) 1999-10-08 2000-09-21 Synchronisierung von pcm und pseudozufallstaktgebern

Country Status (10)

Country Link
US (2) US6704380B1 (de)
EP (2) EP1484855A1 (de)
JP (1) JP2003511969A (de)
AR (1) AR025983A1 (de)
AT (1) ATE297084T1 (de)
AU (1) AU7595400A (de)
DE (1) DE60020583D1 (de)
HK (1) HK1048405B (de)
TW (1) TW518869B (de)
WO (1) WO2001028151A1 (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6704380B1 (en) * 1999-10-08 2004-03-09 Interdigital Technology Corporation Synchronizing PCM and pseudorandom clocks
US8385476B2 (en) 2001-04-25 2013-02-26 Texas Instruments Incorporated Digital phase locked loop
US7388764B2 (en) * 2005-06-16 2008-06-17 Active-Semi International, Inc. Primary side constant output current controller
RU2446560C1 (ru) * 2011-01-11 2012-03-27 Федеральное государственное автономное образовательное учреждение высшего профессионального образования Сибирский федеральный университет (СФУ) Устройство ускоренной синхронизации приемника шумоподобных сигналов с минимальной частотной манипуляцией
US8682632B1 (en) * 2011-02-16 2014-03-25 Qlogic, Corporation Simulation system and method thereof
US9363777B2 (en) * 2012-06-14 2016-06-07 Nokia Solutions And Networks Oy Fast recovering for network listening schemes in synchronization over air for small cells

Family Cites Families (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4048563A (en) * 1975-10-17 1977-09-13 The United States Of America As Represented By The Secretary Of The Navy Carrier-modulated coherency monitoring system
US4475208A (en) * 1982-01-18 1984-10-02 Ricketts James A Wired spread spectrum data communication system
US4530103A (en) * 1983-08-22 1985-07-16 E-Systems, Inc. Method and apparatus for baseband tracking of a PN code sequence in a spread spectrum receiver
JPH0795731B2 (ja) 1987-10-30 1995-10-11 株式会社ケンウッド データ受信装置の最適クロック形成装置
US5034967A (en) 1988-11-14 1991-07-23 Datapoint Corporation Metastable-free digital synchronizer with low phase error
US5260969A (en) * 1988-11-14 1993-11-09 Canon Kabushiki Kaisha Spectrum diffusion communication receiving apparatus
US5003552A (en) 1989-11-20 1991-03-26 Unisys Corporation Carrier aided code tracking loop
JPH0646032A (ja) * 1991-10-24 1994-02-18 Ricoh Co Ltd スペクトル拡散通信方式
JPH05219016A (ja) * 1991-12-09 1993-08-27 Matsushita Electric Ind Co Ltd 送受信回路
US5402450A (en) * 1992-01-22 1995-03-28 Trimble Navigation Signal timing synchronizer
US5406559A (en) 1992-11-02 1995-04-11 National Semiconductor Corporation Isochronous link protocol
US5299229A (en) * 1993-01-29 1994-03-29 Unisys Corporation High rate-low rate PN code tracking system
US5911119A (en) * 1993-03-22 1999-06-08 Phonex Corporation Secure cordless telephone extension system and method
US5917850A (en) 1994-11-24 1999-06-29 Canon Kabushiki Kaisha Spread spectrum receiving apparatus
JP3231624B2 (ja) * 1996-05-17 2001-11-26 松下電器産業株式会社 Ｇｐｓ受信機
US6002709A (en) * 1996-11-21 1999-12-14 Dsp Group, Inc. Verification of PN synchronization in a direct-sequence spread-spectrum digital communications system
JP3373746B2 (ja) * 1997-01-07 2003-02-04 株式会社鷹山 Ｄｓ−ｃｄｍａ基地局間非同期セルラ方式における初期同期方法および受信機
JPH11225374A (ja) * 1998-02-06 1999-08-17 Matsushita Electric Ind Co Ltd スペクトル拡散コードレス電話装置
US6452959B1 (en) * 1999-05-28 2002-09-17 Dot Wireless, Inc. Method of and apparatus for generating data sequences for use in communications
US6704380B1 (en) * 1999-10-08 2004-03-09 Interdigital Technology Corporation Synchronizing PCM and pseudorandom clocks

Also Published As

Publication number Publication date
EP1219062A1 (de) 2002-07-03
DE60020583D1 (de) 2005-07-07
HK1048405B (zh) 2006-01-13
US6704380B1 (en) 2004-03-09
JP2003511969A (ja) 2003-03-25
US20040095991A1 (en) 2004-05-20
AR025983A1 (es) 2002-12-26
HK1048405A1 (en) 2003-03-28
US7466745B2 (en) 2008-12-16
WO2001028151A1 (en) 2001-04-19
AU7595400A (en) 2001-04-23
TW518869B (en) 2003-01-21
EP1484855A1 (de) 2004-12-08
EP1219062B1 (de) 2005-06-01

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Legal Events

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