IN2013CN00296A - - Google Patents

Info

Publication number
IN2013CN00296A
IN2013CN00296A IN296CHN2013A IN2013CN00296A IN 2013CN00296 A IN2013CN00296 A IN 2013CN00296A IN 296CHN2013 A IN296CHN2013 A IN 296CHN2013A IN 2013CN00296 A IN2013CN00296 A IN 2013CN00296A
Authority
IN
India
Prior art keywords
sample slip
detect
correlations
minimizing
synchronization
Prior art date
Application number
Inventor
Christian Sgraja
Christian Bernhard Pietsch
Marc W Werner
Christoph A Joetten
Original Assignee
Qualcomm Inc
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 Qualcomm Inc filed Critical Qualcomm Inc
Publication of IN2013CN00296A publication Critical patent/IN2013CN00296A/en

Links

Classifications

    • 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
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
    • 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
    • H04B14/00—Transmission systems not characterised by the medium used for transmission
    • H04B14/02—Transmission systems not characterised by the medium used for transmission characterised by the use of pulse modulation
    • H04B14/04—Transmission systems not characterised by the medium used for transmission characterised by the use of pulse modulation using pulse code modulation
    • 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
    • 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
    • H04L7/043—Pseudo-noise [PN] codes variable during transmission

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Computational Linguistics (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
  • Communication Control (AREA)
  • Maintenance And Management Of Digital Transmission (AREA)

Abstract

Processing the synchronization of an inband modem to detect sample slip conditions is disclosed. Correlations and decision logic reliably detect the sample slip condition while minimizing the number of false alarms.
IN296CHN2013 2010-07-28 2011-07-27 IN2013CN00296A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US36862410P 2010-07-28 2010-07-28
US13/190,909 US8817934B2 (en) 2010-07-28 2011-07-26 System and method for synchronization tracking in an in-band modem
PCT/US2011/045570 WO2012015947A1 (en) 2010-07-28 2011-07-27 System and method for synchronization tracking in an in-band modem

Publications (1)

Publication Number Publication Date
IN2013CN00296A true IN2013CN00296A (en) 2015-07-03

Family

ID=44511527

Family Applications (1)

Application Number Title Priority Date Filing Date
IN296CHN2013 IN2013CN00296A (en) 2010-07-28 2011-07-27

Country Status (7)

Country Link
US (2) US8817934B2 (en)
EP (2) EP2599254A1 (en)
JP (2) JP2013534382A (en)
KR (2) KR101388765B1 (en)
CN (2) CN103026654B (en)
IN (1) IN2013CN00296A (en)
WO (2) WO2012015918A1 (en)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8817934B2 (en) 2010-07-28 2014-08-26 Qualcomm Incorporated System and method for synchronization tracking in an in-band modem
US8548005B2 (en) * 2011-04-19 2013-10-01 Mediatek Singapore Pte. Ltd. Technique for switching between 1x and 2x oversampling rate in a TD-SCDMA receiver
US8945188B2 (en) 2012-04-06 2015-02-03 William Alan Rezach Spinal correction system and method
US9602973B2 (en) * 2013-02-19 2017-03-21 Qualcomm Incorporated Applying error resiliency based on speed
US20140297882A1 (en) * 2013-04-01 2014-10-02 Microsoft Corporation Dynamic track switching in media streaming
US10324642B2 (en) * 2013-06-07 2019-06-18 Sanmina Corporation Peripheral component interconnect express (PCIe) solid state drive (SSD) accelerator
CN104425037B (en) * 2013-08-19 2019-07-12 恩智浦美国有限公司 Reconfigurable circuit and its decoder
US9510309B2 (en) * 2014-05-14 2016-11-29 Qualcomm Incorporated Codec inversion detection
US20170075397A1 (en) * 2015-09-14 2017-03-16 Qualcomm Incorporated Circuits and methods providing temperature mitigation for computing devices
CN107295624B (en) * 2016-03-30 2021-11-26 日本电气株式会社 Node synchronization method and node adopting same
WO2018059684A1 (en) * 2016-09-29 2018-04-05 Huawei Technologies Co., Ltd. Network node, client device and methods thereof
US10419260B2 (en) * 2017-10-02 2019-09-17 Hughes Network Systems, Llc System and method for robust OFDM synchronization
CN109831336B (en) * 2019-02-28 2022-02-11 福建师范大学 MSD-based sensor node fault diagnosis method
CN109905226B (en) * 2019-03-28 2021-12-17 鹤壁天海电子信息系统有限公司 Data processing method and device

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US4020A (en) * 1845-05-01 Machine foe
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US5280538A (en) * 1991-02-22 1994-01-18 Mitsubishi Denki Kabushiki Kaisha Spread spectrum demodulator
DE4318368C1 (en) 1993-05-28 1994-07-14 Siemens Ag Method for obtaining a signal indicating a failure of the synchronization between a pseudo random signal sequence of a transmitter and a reference pseudo random signal sequence of a receiver
US6169763B1 (en) 1995-06-29 2001-01-02 Qualcomm Inc. Characterizing a communication system using frame aligned test signals
US5732113A (en) 1996-06-20 1998-03-24 Stanford University Timing and frequency synchronization of OFDM signals
US5933468A (en) 1997-03-06 1999-08-03 Telefonaktiebolaget L M Ericsson (Publ) Continuous synchronization adjustment in a telecommunications system
US6493338B1 (en) 1997-05-19 2002-12-10 Airbiquity Inc. Multichannel in-band signaling for data communications over digital wireless telecommunications networks
US6711221B1 (en) 2000-02-16 2004-03-23 Thomson Licensing S.A. Sampling offset correction in an orthogonal frequency division multiplexing system
EP1130793A1 (en) 2000-03-03 2001-09-05 Alcatel A method of synchronizing a radio terminal of a radio communication network and a corresponding radio terminal
JP2002208879A (en) 2001-01-05 2002-07-26 Nec Microsystems Ltd Circuit and method for correcting synchronous timing
EP1430626B1 (en) 2001-06-18 2006-07-26 Koninklijke Philips Electronics N.V. Peak detection with matched filter
US6727790B2 (en) * 2001-08-20 2004-04-27 Itran Communications Ltd. Acquisition of sychronization in a spread spectrum communications transceiver
AU2002349638A1 (en) 2001-11-20 2003-06-10 Sanyo Electric Co., Ltd. Radio reception apparatus, symbol timing control method, and symbol timing control program
JP2003283368A (en) 2002-03-20 2003-10-03 Toshiba Corp Clock accuracy compensating circuit for cdm demodulator, compensating method, and cdm demodulator
US7864868B2 (en) 2003-04-21 2011-01-04 Nokia Siemens Networks Oy Method for detecting an octet slip
US7512157B2 (en) 2005-06-15 2009-03-31 St Wireless Sa Synchronizing a modem and vocoder of a mobile station
US7885326B2 (en) * 2006-06-30 2011-02-08 Imec Method for determining a pulse position in a signal
CN101014029B (en) * 2006-08-24 2010-08-18 上海交通大学 Method for generating OFDM synchronous training sequence and synchronizing method based on the training sequence
US8503517B2 (en) 2008-06-05 2013-08-06 Qualcomm Incorporated System and method of an in-band modem for data communications over digital wireless communication networks
US8825480B2 (en) 2008-06-05 2014-09-02 Qualcomm Incorporated Apparatus and method of obtaining non-speech data embedded in vocoder packet
US8725502B2 (en) * 2008-06-05 2014-05-13 Qualcomm Incorporated System and method of an in-band modem for data communications over digital wireless communication networks
US8817934B2 (en) 2010-07-28 2014-08-26 Qualcomm Incorporated System and method for synchronization tracking in an in-band modem

Also Published As

Publication number Publication date
JP2013534383A (en) 2013-09-02
US8817934B2 (en) 2014-08-26
JP2013534382A (en) 2013-09-02
CN103026655A (en) 2013-04-03
JP5694529B2 (en) 2015-04-01
CN103026654B (en) 2015-12-02
EP2599255B1 (en) 2020-08-19
KR101388765B1 (en) 2014-04-25
WO2012015918A1 (en) 2012-02-02
CN103026654A (en) 2013-04-03
US20120027135A1 (en) 2012-02-02
KR101388860B1 (en) 2014-04-23
KR20130036372A (en) 2013-04-11
CN103026655B (en) 2015-08-19
KR20130036371A (en) 2013-04-11
WO2012015947A1 (en) 2012-02-02
EP2599255A1 (en) 2013-06-05
EP2599254A1 (en) 2013-06-05
US8908819B2 (en) 2014-12-09
US20120027148A1 (en) 2012-02-02

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