ATE344567T1 - Verfahren zur kompensation von phasenfehlern in mehrträgersignalen - Google Patents

Verfahren zur kompensation von phasenfehlern in mehrträgersignalen

Info

Publication number
ATE344567T1
ATE344567T1 AT01925162T AT01925162T ATE344567T1 AT E344567 T1 ATE344567 T1 AT E344567T1 AT 01925162 T AT01925162 T AT 01925162T AT 01925162 T AT01925162 T AT 01925162T AT E344567 T1 ATE344567 T1 AT E344567T1
Authority
AT
Austria
Prior art keywords
carrier
unmodulated
signal
modulated
carriers
Prior art date
Application number
AT01925162T
Other languages
English (en)
Inventor
Robindra B Joshi
Jeffrey S Putnam
Thuji S Lin
Paul T Yang
Original Assignee
Broadcom 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 Broadcom Corp filed Critical Broadcom Corp
Application granted granted Critical
Publication of ATE344567T1 publication Critical patent/ATE344567T1/de

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/10—Frequency-modulated carrier systems, i.e. using frequency-shift keying
    • H04L27/14—Demodulator circuits; Receiver circuits
    • H04L27/144—Demodulator circuits; Receiver circuits with demodulation using spectral properties of the received signal, e.g. by using frequency selective- or frequency sensitive elements
    • H04L27/152—Demodulator circuits; Receiver circuits with demodulation using spectral properties of the received signal, e.g. by using frequency selective- or frequency sensitive elements using controlled oscillators, e.g. PLL arrangements
    • 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
    • H04L27/2602—Signal structure
    • 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
    • H04L27/2657—Carrier synchronisation
    • 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
    • H04L27/2668—Details of algorithms
    • H04L27/2673—Details of algorithms characterised by synchronisation parameters
    • H04L27/2675—Pilot or known symbols
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/0014—Carrier regulation
    • H04L2027/0024—Carrier regulation at the receiver end
    • H04L2027/0026—Correction of carrier offset
    • H04L2027/0028—Correction of carrier offset at passband only
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/0014—Carrier regulation
    • H04L2027/0044—Control loops for carrier regulation
    • H04L2027/0053—Closed loops
    • H04L2027/0055—Closed loops single phase
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/0014—Carrier regulation
    • H04L2027/0044—Control loops for carrier regulation
    • H04L2027/0063—Elements of loops
    • H04L2027/0067—Phase error detectors
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/0014—Carrier regulation
    • H04L2027/0044—Control loops for carrier regulation
    • H04L2027/0063—Elements of loops
    • H04L2027/0069—Loop filters
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/0014—Carrier regulation
    • H04L2027/0083—Signalling arrangements
    • 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
    • H04L27/2602—Signal structure
    • H04L27/261—Details of reference signals

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Noise Elimination (AREA)
  • Radio Transmission System (AREA)
  • Amplitude Modulation (AREA)
  • Radar Systems Or Details Thereof (AREA)
  • Variable-Direction Aerials And Aerial Arrays (AREA)
AT01925162T 2000-04-04 2001-04-04 Verfahren zur kompensation von phasenfehlern in mehrträgersignalen ATE344567T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US19454400P 2000-04-04 2000-04-04

Publications (1)

Publication Number Publication Date
ATE344567T1 true ATE344567T1 (de) 2006-11-15

Family

ID=22718000

Family Applications (1)

Application Number Title Priority Date Filing Date
AT01925162T ATE344567T1 (de) 2000-04-04 2001-04-04 Verfahren zur kompensation von phasenfehlern in mehrträgersignalen

Country Status (6)

Country Link
US (2) US7010062B2 (de)
EP (1) EP1269706B1 (de)
AT (1) ATE344567T1 (de)
AU (1) AU2001251749A1 (de)
DE (1) DE60124234T2 (de)
WO (1) WO2001076168A2 (de)

Families Citing this family (34)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2345337T3 (es) * 2000-03-28 2010-09-21 Interdigital Technology Corporation Sistema cdma que usa una prerotacion antes de la transmision.
US7394864B2 (en) * 2001-07-06 2008-07-01 Conexant, Inc. Mixed waveform configuration for wireless communications
ATE337666T1 (de) * 2001-07-19 2006-09-15 Transcore Link Logistics Corp Phasennachlaufeinrichtung für linear modulierte signale
US7161987B2 (en) 2001-09-26 2007-01-09 Conexant, Inc. Single-carrier to multi-carrier wireless architecture
US7170880B2 (en) * 2001-10-16 2007-01-30 Conexant, Inc. Sample rate change between single-carrier and multi-carrier waveforms
US20030235252A1 (en) * 2002-06-19 2003-12-25 Jose Tellado Method and system of biasing a timing phase estimate of data segments of a received signal
KR100488802B1 (ko) * 2002-12-09 2005-05-12 한국전자통신연구원 직교 주파수 분할 다중화 무선 통신 시스템에서의 반송파주파수 오차와 샘플링 주파수 오차 추적 방법 및 그 장치
US7369633B2 (en) * 2003-06-13 2008-05-06 The Directv Group, Inc. Method and apparatus for providing carrier synchronization in digital broadcast and interactive systems
CA2470546C (en) * 2003-06-13 2010-08-17 The Directv Group, Inc. Method and apparatus for providing carrier synchronization in digital broadcast and interactive systems
US8208499B2 (en) 2003-06-13 2012-06-26 Dtvg Licensing, Inc. Framing structure for digital broadcasting and interactive services
EP1580949B1 (de) * 2004-03-23 2008-08-20 Infineon Technologies AG Phasen- und Frequenzsynchronisationseinrichtung für OFDM-Empfänger unter Verwendung von einer Präambel, Piloten und Informationsdaten
US8339930B2 (en) * 2005-05-16 2012-12-25 Qualcomm Incorporated Pilot transmission and channel estimation with pilot weighting
US7912139B2 (en) * 2006-04-03 2011-03-22 Panasonic Corporation Multi-carrier communication apparatus, power line communication circuit, and multi-carrier communication method
US7697634B2 (en) * 2006-08-25 2010-04-13 Tektronix, Inc. Interpolation of complex signals
US20090005084A1 (en) * 2007-06-28 2009-01-01 Legend Silicon Corp. Method and apparatus for positionng using atsc digital tv signals
US7894540B2 (en) * 2007-10-24 2011-02-22 Telefonaktiebolaget L M Ericsson (Publ) Method and apparatus for reducing phase noise in orthogonal frequency division multiplexing systems
US20130294486A1 (en) * 2012-05-07 2013-11-07 Marcos C. Tzannes Systems and methods for a multicarrier transceiver with radio frequency interference reduction
US9559784B2 (en) * 2012-10-30 2017-01-31 Zte Corporation Optical communication based on polarization dependent coherent optical Nyquist frequency division multiplexing
JP6082125B2 (ja) * 2012-12-14 2017-02-15 テレフオンアクチーボラゲット エルエム エリクソン（パブル） マルチキャリア変調信号のための受信機
US9363128B2 (en) * 2013-03-15 2016-06-07 Echelon Corporation Method and apparatus for phase-based multi-carrier modulation (MCM) packet detection
US9413575B2 (en) 2013-03-15 2016-08-09 Echelon Corporation Method and apparatus for multi-carrier modulation (MCM) packet detection based on phase differences
US10412600B2 (en) * 2013-05-06 2019-09-10 Itron Networked Solutions, Inc. Leveraging diverse communication links to improve communication between network subregions
US9912027B2 (en) 2015-07-23 2018-03-06 At&T Intellectual Property I, L.P. Method and apparatus for exchanging communication signals
US10136434B2 (en) 2015-09-16 2018-11-20 At&T Intellectual Property I, L.P. Method and apparatus for use with a radio distributed antenna system having an ultra-wideband control channel
US10079661B2 (en) 2015-09-16 2018-09-18 At&T Intellectual Property I, L.P. Method and apparatus for use with a radio distributed antenna system having a clock reference
US10051629B2 (en) 2015-09-16 2018-08-14 At&T Intellectual Property I, L.P. Method and apparatus for use with a radio distributed antenna system having an in-band reference signal
US9705571B2 (en) 2015-09-16 2017-07-11 At&T Intellectual Property I, L.P. Method and apparatus for use with a radio distributed antenna system
US10009901B2 (en) 2015-09-16 2018-06-26 At&T Intellectual Property I, L.P. Method, apparatus, and computer-readable storage medium for managing utilization of wireless resources between base stations
US10009063B2 (en) 2015-09-16 2018-06-26 At&T Intellectual Property I, L.P. Method and apparatus for use with a radio distributed antenna system having an out-of-band reference signal
CN105721374B (zh) * 2015-12-22 2019-08-30 中国电子科技集团公司第五十研究所 载波同步用于8psk矢量分析方法
KR102529191B1 (ko) * 2016-01-27 2023-05-08 삼성전자주식회사 무선 통신 시스템에서 위상 에러를 추정 및 보상하는 방법 및 장치
WO2017131457A1 (en) * 2016-01-27 2017-08-03 Samsung Electronics Co., Ltd. Method and apparatus for estimating and correcting phase error in wireless communication system
CA3025400A1 (en) * 2016-06-10 2017-12-14 At&T Intellectual Property I, L.P. Method and apparatus for use with a radio distributed antenna system having an in-band reference signal
US10811767B2 (en) 2016-10-21 2020-10-20 At&T Intellectual Property I, L.P. System and dielectric antenna with convex dielectric radome

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4468632A (en) * 1981-11-30 1984-08-28 Rca Corporation Phase locked loop frequency synthesizer including fractional digital frequency divider
JPS6047513A (ja) * 1983-08-26 1985-03-14 Nec Corp 周波数ずれ吸収回路
US5228062A (en) * 1990-04-16 1993-07-13 Telebit Corporation Method and apparatus for correcting for clock and carrier frequency offset, and phase jitter in multicarrier modems
US5315583A (en) * 1991-04-11 1994-05-24 Usa Digital Radio Method and apparatus for digital audio broadcasting and reception
US5406592A (en) * 1993-07-30 1995-04-11 At&T Corp. First order FLL/PLL system with low phase error
US6334219B1 (en) * 1994-09-26 2001-12-25 Adc Telecommunications Inc. Channel selection for a hybrid fiber coax network
US5802117A (en) * 1996-02-08 1998-09-01 Philips Electronics North America Corporation Method and apparatus for joint frequency offset and timing estimation of a multicarrier modulation system
US5815529A (en) * 1996-04-04 1998-09-29 Lucent Technologies Inc. Transmission system for digital audio broadcasting that incorporates a rotator in the transmitter
US6154455A (en) * 1997-12-24 2000-11-28 Nokia Mobile Phones Limited Prioritizing pilot set searching for a CDMA telecommunications system
US6359945B1 (en) * 1999-01-25 2002-03-19 Sun Microsystems, Inc. Phase locked loop and method that provide fail-over redundant clocking
US6721337B1 (en) * 1999-08-24 2004-04-13 Ibiquity Digital Corporation Method and apparatus for transmission and reception of compressed audio frames with prioritized messages for digital audio broadcasting
US7573807B1 (en) * 1999-09-17 2009-08-11 Alcatel-Lucent Usa Inc. Method and apparatus for performing differential modulation over frequency in an orthogonal frequency division multiplexing (OFDM) communication system
US6704374B1 (en) * 2000-02-16 2004-03-09 Thomson Licensing S.A. Local oscillator frequency correction in an orthogonal frequency division multiplexing system

Also Published As

Publication number Publication date
DE60124234D1 (de) 2006-12-14
WO2001076168A2 (en) 2001-10-11
EP1269706A2 (de) 2003-01-02
US20060120472A1 (en) 2006-06-08
AU2001251749A1 (en) 2001-10-15
EP1269706B1 (de) 2006-11-02
DE60124234T2 (de) 2007-09-13
US7010062B2 (en) 2006-03-07
US8537934B2 (en) 2013-09-17
WO2001076168A3 (en) 2002-03-07
US20020064240A1 (en) 2002-05-30

Similar Documents

Publication Publication Date Title
ATE344567T1 (de) Verfahren zur kompensation von phasenfehlern in mehrträgersignalen
ATE418823T1 (de) Zeitdriftkompensation in systemen, die auf drahtlosen paketen basieren
US8107551B2 (en) Systems and methods for signal modulation and demodulation using phase
US8457162B2 (en) Packet detection
CN106656453A (zh) 窄带无线通信终端中的同步装置及方法
WO2001047204A8 (en) Correction of a sampling frequency offset in an orthogonal frequency division multiplexing system by sidelobe analysis of pilot subcarriers
EP0961448A3 (de) Modulator, Demodulator, und Übertragungssystem für OFDM-Übertragung
CN101449481A (zh) 无线通信***中的信号采集
AU2842301A (en) Method and apparatus for estimating a frequency offset by combining pilot symbols and data symbols
ATE476816T1 (de) Trägersynchronisation in ofdm
US20100182899A1 (en) OFDM Time Basis Matching With Pre-FFT Cyclic Shift
KR100602189B1 (ko) 프레임 및 심볼 시간동기 검출장치 및 검출방법
US7839898B2 (en) Apparatus, method, receiver, and computer readable medium for time synchronization offset compensation
US8665976B2 (en) Blind symbol synchronization scheme for OFDM system
US11310085B2 (en) LoRa advanced receiver
DE50111379D1 (de) Verfahren zur übertragung von digitalen daten mittels rundfunksignalen im orthogonalen frequenzmultiplex (ofdm)
EP1152546A3 (de) Erfassungssystem für Speizspektrumsignale
KR970072643A (ko) 디지탈 fm 복조기
ATE374475T1 (de) Verfahren für zeitliche abstimmung in einem mehrträger-übertragungssystem (dmt)
CN1136736A (zh) 时分多址联接***接收机
ATE376725T1 (de) Verfahren und funkübertragungseinheit zur leistungsdetektion eines vielfachträgersignals
DE50105257D1 (de) Verfahren und System zur Frequenzoffsetschätzung für Trägermodulierte digitale Kommunikationssysteme
EA200501864A1 (ru) Способ уменьшения разброса результатов оценки отношения сигнал-шум для сигнала с относительной фазовой и когерентной амплитудной модуляцией
US8243713B2 (en) Cellular radiotelephone signal which enables synchronisation at an entity of a supplementary channel by means of symbol numbering, and corresponding method, terminal and base station
CN101268619A (zh) 具有减少功耗的ofdm接收机及其方法

Legal Events

Date Code Title Description
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties