CA2727865A1 - Method and apparatus for frame detection in a communications system - Google Patents

Method and apparatus for frame detection in a communications system Download PDF

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Publication number
CA2727865A1
CA2727865A1 CA2727865A CA2727865A CA2727865A1 CA 2727865 A1 CA2727865 A1 CA 2727865A1 CA 2727865 A CA2727865 A CA 2727865A CA 2727865 A CA2727865 A CA 2727865A CA 2727865 A1 CA2727865 A1 CA 2727865A1
Authority
CA
Canada
Prior art keywords
subframe
time
reference signal
signal
boundary
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
CA2727865A
Other languages
English (en)
French (fr)
Inventor
Scott Stratford
David Vucich
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.)
Commscope Connectivity LLC
Original Assignee
LGC Wireless LLC
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 LGC Wireless LLC filed Critical LGC Wireless LLC
Publication of CA2727865A1 publication Critical patent/CA2727865A1/en
Abandoned legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/14—Two-way operation using the same type of signal, i.e. duplex
    • H04L5/1469—Two-way operation using the same type of signal, i.e. duplex using time-sharing
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J3/00—Time-division multiplex systems
    • H04J3/02—Details
    • H04J3/06—Synchronising arrangements
    • H04J3/0602—Systems characterised by the synchronising information used
    • H04J3/0605—Special codes used as synchronising signal
    • H04J3/0608—Detectors therefor, e.g. correlators, state machines
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H04L27/2601—Multicarrier modulation systems
    • H04L27/2647—Arrangements specific to the receiver only
    • H04L27/2655—Synchronisation arrangements
    • H04L27/2656—Frame synchronisation, e.g. packet synchronisation, time division duplex [TDD] switching point detection or subframe synchronisation
    • 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
    • H04W56/007—Open loop measurement
    • H04W56/0075—Open loop measurement based on arrival time vs. expected arrival time
    • H04W56/008—Open loop measurement based on arrival time vs. expected arrival time detecting arrival of signal based on received raw signal

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Time-Division Multiplex Systems (AREA)
CA2727865A 2008-06-24 2009-06-22 Method and apparatus for frame detection in a communications system Abandoned CA2727865A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US12/144,961 US8385373B2 (en) 2008-06-24 2008-06-24 Method and apparatus for frame detection in a communications system
US12/144,961 2008-06-24
PCT/US2009/048149 WO2010008796A2 (en) 2008-06-24 2009-06-22 Method and apparatus for frame detection in a communications system

Publications (1)

Publication Number Publication Date
CA2727865A1 true CA2727865A1 (en) 2010-01-21

Family

ID=41431200

Family Applications (1)

Application Number Title Priority Date Filing Date
CA2727865A Abandoned CA2727865A1 (en) 2008-06-24 2009-06-22 Method and apparatus for frame detection in a communications system

Country Status (6)

Country Link
US (1) US8385373B2 (enExample)
EP (3) EP3226448B1 (enExample)
JP (1) JP5406924B2 (enExample)
CN (1) CN102084614B (enExample)
CA (1) CA2727865A1 (enExample)
WO (1) WO2010008796A2 (enExample)

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Also Published As

Publication number Publication date
EP2297884A4 (en) 2015-04-01
EP3226448A1 (en) 2017-10-04
EP3751809B1 (en) 2022-09-07
EP2297884B1 (en) 2017-06-07
CN102084614A (zh) 2011-06-01
WO2010008796A2 (en) 2010-01-21
JP2011525755A (ja) 2011-09-22
US20090316611A1 (en) 2009-12-24
WO2010008796A3 (en) 2010-04-01
EP3226448B1 (en) 2020-08-05
CN102084614B (zh) 2015-05-20
JP5406924B2 (ja) 2014-02-05
EP2297884A2 (en) 2011-03-23
EP3751809A1 (en) 2020-12-16
US8385373B2 (en) 2013-02-26

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Legal Events

Date Code Title Description
EEER Examination request

Effective date: 20140130

FZDE Discontinued

Effective date: 20190625