CA2360973A1 - In-band signalling for synchronization in a voice communications network - Google Patents

In-band signalling for synchronization in a voice communications network Download PDF

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Publication number
CA2360973A1
CA2360973A1 CA002360973A CA2360973A CA2360973A1 CA 2360973 A1 CA2360973 A1 CA 2360973A1 CA 002360973 A CA002360973 A CA 002360973A CA 2360973 A CA2360973 A CA 2360973A CA 2360973 A1 CA2360973 A1 CA 2360973A1
Authority
CA
Canada
Prior art keywords
signal
time
reply
sps
reference station
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.)
Abandoned
Application number
CA002360973A
Other languages
English (en)
French (fr)
Inventor
Dan A. Preston
Joseph Preston
Rod L. Proctor
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.)
Airbiquity Inc
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of CA2360973A1 publication Critical patent/CA2360973A1/en
Abandoned legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W56/00—Synchronisation arrangements
    • H04W56/0055—Synchronisation arrangements determining timing error of reception due to propagation delay
    • H04W56/0065—Synchronisation arrangements determining timing error of reception due to propagation delay using measurement of signal travel time
    • H04W56/009—Closed loop measurements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/24—Radio transmission systems, i.e. using radiation field for communication between two or more posts
    • H04B7/26—Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile
    • H04B7/2662—Arrangements for Wireless System Synchronisation
    • 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
    • H04J3/0682—Clock or time synchronisation in a network by delay compensation, e.g. by compensation of propagation delay or variations thereof, by ranging

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Time-Division Multiplex Systems (AREA)
CA002360973A 1999-01-15 2000-01-18 In-band signalling for synchronization in a voice communications network Abandoned CA2360973A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US11609399P 1999-01-15 1999-01-15
US60/116,093 1999-01-15
PCT/US2000/001157 WO2001003344A1 (en) 1999-01-15 2000-01-18 In-band signalling for synchronization in a voice communications network

Publications (1)

Publication Number Publication Date
CA2360973A1 true CA2360973A1 (en) 2001-01-11

Family

ID=22365192

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002360973A Abandoned CA2360973A1 (en) 1999-01-15 2000-01-18 In-band signalling for synchronization in a voice communications network

Country Status (10)

Country Link
EP (1) EP1145468A1 (pt)
JP (1) JP4482258B2 (pt)
CN (1) CN1340254A (pt)
AU (1) AU761918B2 (pt)
BR (1) BR0007520A (pt)
CA (1) CA2360973A1 (pt)
HK (1) HK1042389A1 (pt)
MX (1) MXPA01007086A (pt)
TR (1) TR200102405T2 (pt)
WO (1) WO2001003344A1 (pt)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB0011797D0 (en) 2000-05-16 2000-07-05 Yeoman Group Plc Improved vehicle routeing
DE10048335A1 (de) * 2000-09-29 2002-04-25 Siemens Ag Verfahren zur Messung von Verzögerungszeiten zwischen einem Taktgeber und einem Kommunikationsteilnehmer in einem Kommunikationsnetzwerk mit Verkettungstopologie, darauf aufbauende Verzögerungszeitkompensation sowie korrespondierendes Kommunikationsnetzwerk
GB0319206D0 (en) * 2003-08-15 2003-09-17 Microwave Designs Ltd Protocol for timing measurement or synchronisation
US7961717B2 (en) 2005-05-12 2011-06-14 Iposi, Inc. System and methods for IP and VoIP device location determination
JP2010263489A (ja) * 2009-05-08 2010-11-18 Sony Corp 通信装置及び通信方法、コンピューター・プログラム、並びに通信システム
US8385333B2 (en) * 2009-06-30 2013-02-26 Intel Corporation Mechanism for clock synchronization
US9160519B1 (en) * 2014-08-25 2015-10-13 Nxp B.V. Communications with synchronization
JP2016082402A (ja) * 2014-10-16 2016-05-16 富士通株式会社 ベースバンド処理装置、無線装置、及び無線通信システム
US10082579B2 (en) * 2016-04-14 2018-09-25 Qualcomm Incorporated Network aware satellite positioning system assistance information transfer

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4310722A (en) * 1978-11-09 1982-01-12 Bell Telephone Laboratories, Incorporated Mobile radiotelephone station two-way ranging system
US5014344A (en) * 1990-03-19 1991-05-07 Motorola, Inc. Method for synchronizing the transmissions in a simulcast transmission system
US5245634A (en) * 1992-03-23 1993-09-14 Motorola, Inc. Base-site synchronization in a communication system
US5509035A (en) * 1993-04-14 1996-04-16 Qualcomm Incorporated Mobile station operating in an analog mode and for subsequent handoff to another system

Also Published As

Publication number Publication date
JP2003503942A (ja) 2003-01-28
EP1145468A1 (en) 2001-10-17
JP4482258B2 (ja) 2010-06-16
TR200102405T2 (tr) 2002-01-21
HK1042389A1 (zh) 2002-08-09
BR0007520A (pt) 2001-10-30
AU761918B2 (en) 2003-06-12
MXPA01007086A (es) 2005-09-08
AU2509600A (en) 2001-01-22
WO2001003344A1 (en) 2001-01-11
CN1340254A (zh) 2002-03-13

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Legal Events

Date Code Title Description
EEER Examination request
FZDE Discontinued
FZDE Discontinued

Effective date: 20050118