AU2002304581A1 - Downlink synchronisation method for a point-to-multipoint system with OFDM modulation - Google Patents

Downlink synchronisation method for a point-to-multipoint system with OFDM modulation

Info

Publication number
AU2002304581A1
AU2002304581A1 AU2002304581A AU2002304581A AU2002304581A1 AU 2002304581 A1 AU2002304581 A1 AU 2002304581A1 AU 2002304581 A AU2002304581 A AU 2002304581A AU 2002304581 A AU2002304581 A AU 2002304581A AU 2002304581 A1 AU2002304581 A1 AU 2002304581A1
Authority
AU
Australia
Prior art keywords
point
ofdm modulation
multipoint system
synchronisation method
downlink synchronisation
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.)
Granted
Application number
AU2002304581A
Other versions
AU2002304581B2 (en
Inventor
Jorge Vicente Blasco Claret
Nils Hakan Fouren
Juan Miguel Gavillero Martin
Salvador Iranzo Molinero
Francisco Javier Jimenez Marquina
Juan Carlos Riveiro Insua
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.)
Diseno de Sistemas en Silicio SA
Original Assignee
Diseno de Sistemas en Silicio SA
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
Priority claimed from ES200101154A external-priority patent/ES2188370B1/en
Application filed by Diseno de Sistemas en Silicio SA filed Critical Diseno de Sistemas en Silicio SA
Publication of AU2002304581A1 publication Critical patent/AU2002304581A1/en
Application granted granted Critical
Publication of AU2002304581B2 publication Critical patent/AU2002304581B2/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

AU2002304581A 2001-05-21 2002-05-17 Downlink synchronisation method for a point-to-multipoint system with OFDM modulation Ceased AU2002304581B2 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
ES200101154A ES2188370B1 (en) 2001-05-21 2001-05-21 PROCEDURE FOR SYNCHRONIZATION IN THE DESCENDING LINK OF MULTIPLE USERS IN A POINT TO MULTIPOINT TRANSMISSION SYSTEM WITH OFDM MODULATION.
ESP200101154 2001-05-21
PCT/ES2002/000234 WO2002095976A1 (en) 2001-05-21 2002-05-17 Downlink synchronisation method for a point-to-multipoint system with ofdm modulation

Publications (2)

Publication Number Publication Date
AU2002304581A1 true AU2002304581A1 (en) 2003-05-08
AU2002304581B2 AU2002304581B2 (en) 2008-01-03

Family

ID=8497781

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2002304581A Ceased AU2002304581B2 (en) 2001-05-21 2002-05-17 Downlink synchronisation method for a point-to-multipoint system with OFDM modulation

Country Status (16)

Country Link
US (1) US7423959B2 (en)
EP (1) EP1389835B1 (en)
JP (1) JP4044445B2 (en)
KR (1) KR100768835B1 (en)
CN (1) CN1528059A (en)
AT (1) ATE377870T1 (en)
AU (1) AU2002304581B2 (en)
BR (1) BR0210055A (en)
CA (1) CA2448106A1 (en)
DE (1) DE60223356T2 (en)
EA (1) EA005669B1 (en)
ES (2) ES2188370B1 (en)
IL (1) IL158758A0 (en)
MX (1) MXPA03010658A (en)
PT (1) PT1389835E (en)
WO (1) WO2002095976A1 (en)

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US7058378B2 (en) * 2003-11-18 2006-06-06 Interdigital Technology Corporation Method and apparatus for automatic frequency correction of a local oscilator with an error signal derived from an angle value of the conjugate product and sum of block correlator outputs
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ATE535059T1 (en) * 2004-05-21 2011-12-15 Nxp Bv TRANSMITTER AND RECEIVER FOR ULTRA WIDEBAND OFDM SIGNALS USING A LOW COMPLEXITY CDMA LAYER FOR BANDWIDTH EXPANSION
KR101065687B1 (en) * 2004-06-10 2011-09-19 엘지전자 주식회사 Method of obtaining time synchronization in OFDM mobile communication system
US7421013B1 (en) * 2004-08-02 2008-09-02 Marvell International Ltd. Maximum likelihood estimation of time and frequency offset for OFDM systems
EP1779570B1 (en) * 2004-08-17 2016-11-09 LG Electronics Inc. Method for detecting ofdm symbol timing in ofdm system
KR100587310B1 (en) * 2004-08-18 2006-06-08 엘지전자 주식회사 Frequency recovery apparatus and DVB-H receiver
CN100479445C (en) * 2005-01-28 2009-04-15 北京大学 Orthogonal frequency division multiplexing communication method using prefix and suffix signals
US7778336B1 (en) 2005-02-09 2010-08-17 Marvell International Ltd. Timing and frequency synchronization of OFDM signals for changing channel conditions
JP4440831B2 (en) * 2005-06-14 2010-03-24 株式会社エヌ・ティ・ティ・ドコモ Base station apparatus, transmission method, and communication system
US8315191B2 (en) * 2005-09-20 2012-11-20 Qualcomm Incorporated Timing acquisition and mode and guard detection for an OFDM transmission
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US7512113B2 (en) * 2005-12-21 2009-03-31 Motorola, Inc. Method and system for determining a minimum time of flight of a radio frequency transmission
US7769119B2 (en) 2006-09-27 2010-08-03 Sandbridge Technologies, Inc. Method of initial synchronization of a communication signal
CN100562001C (en) * 2007-05-30 2009-11-18 北京中星微电子有限公司 Determine method, device and the demodulated equipment of ofdm system pilot frequency locations
CN101374129B (en) * 2007-08-20 2012-01-11 中兴通讯股份有限公司 Method for generating synchronization sequence based on OFDM, synchronization method and system
EP2079212A1 (en) * 2008-01-11 2009-07-15 Sandbridge Technologies, Inc. A method of initial synchronization of a communication signal
EP2235866B1 (en) * 2008-01-30 2014-02-26 Telefonaktiebolaget LM Ericsson (publ) A method of data modulation adapted to selected modulation rotational angle
US8774248B2 (en) * 2008-01-30 2014-07-08 Telefonaktiebolaget Lm Ericsson (Publ) Receiver for MUROS adapted to estimate symbol constellation using training sequences from two sub-channels
EP2235855B1 (en) * 2008-01-30 2015-01-07 Telefonaktiebolaget LM Ericsson (publ) Report mechanism in a radio system reusing one time-slot
KR101421776B1 (en) * 2008-01-30 2014-07-22 텔레폰악티에볼라겟엘엠에릭슨(펍) Timeslot sharing using unbalanced qpsk modulation
US8509208B2 (en) 2008-02-01 2013-08-13 Qualcomm Incorporated Frequency error estimation
CN101888354B (en) * 2009-05-15 2013-06-05 中兴通讯股份有限公司 Method and device for estimating channel
JP5237214B2 (en) * 2009-07-15 2013-07-17 株式会社日立製作所 Transmitting apparatus, receiving apparatus, or wireless communication processing method
US8625689B2 (en) * 2010-07-09 2014-01-07 Texas Instruments Incorporated Time-domain link adaptation
US8548096B2 (en) * 2010-12-31 2013-10-01 Telefonaktiebolaget L M Ericsson (Publ) Controllable frequency offset for inphase and Quadrature (IQ) imbalance estimation
CN103236914B (en) * 2013-04-16 2016-02-03 深圳市力合微电子股份有限公司 A kind of synchronizing signal generating method of power-line carrier communication system and device
CN103580718B (en) * 2013-10-15 2015-06-10 北京航天科工世纪卫星科技有限公司 Quick time-frequency synchronizing method under low signal-to-noise ratio
CN110266371B (en) 2014-09-23 2021-10-22 华为技术有限公司 Transmitter, receiver, and method for transmitting/receiving synchronization signal
US9559815B1 (en) * 2015-08-26 2017-01-31 Friskydsp Technology Ltd. Generation of OFDM symbols
US11051263B2 (en) * 2017-06-15 2021-06-29 Qualcomm Incorporated Synchronization channel and system acquisition for internet of things communications in a shared spectrum
EP3481020B1 (en) 2017-11-07 2021-09-01 Siemens Aktiengesellschaft Method for synchronising transmission and reception units in multi-carrier signal transmission
JP6559763B2 (en) * 2017-12-14 2019-08-14 ホアウェイ・テクノロジーズ・カンパニー・リミテッド Transmitter, receiver, and method for transmitting / receiving synchronization signals
CN111970063B (en) * 2020-08-26 2022-04-29 北京字节跳动网络技术有限公司 Communication method, device, equipment and storage medium

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US5732113A (en) * 1996-06-20 1998-03-24 Stanford University Timing and frequency synchronization of OFDM signals
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US6876675B1 (en) * 1998-02-06 2005-04-05 Cisco Technology, Inc. Synchronization in OFDM systems
JP3606761B2 (en) * 1998-11-26 2005-01-05 松下電器産業株式会社 OFDM receiver
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KR100335443B1 (en) 1999-06-15 2002-05-04 윤종용 Symbol timing and frequency synchronizing device for OFDM signals and method thereof
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JP2001111518A (en) * 1999-10-04 2001-04-20 Mitsubishi Electric Corp Communication method and communications equipment
US6614864B1 (en) * 1999-10-12 2003-09-02 Itran Communications Ltd. Apparatus for and method of adaptive synchronization in a spread spectrum communications receiver
US6526295B1 (en) 1999-10-14 2003-02-25 Ericsson Inc. Power conservation method in mobile communications device
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