DE602007014174D1 - Verfahren und Vorrichtung zur Zeitsynchronisation und Scanning von Nachbarzellen für zelluläre OFDM-Systeme - Google Patents

Verfahren und Vorrichtung zur Zeitsynchronisation und Scanning von Nachbarzellen für zelluläre OFDM-Systeme

Info

Publication number
DE602007014174D1
DE602007014174D1 DE602007014174T DE602007014174T DE602007014174D1 DE 602007014174 D1 DE602007014174 D1 DE 602007014174D1 DE 602007014174 T DE602007014174 T DE 602007014174T DE 602007014174 T DE602007014174 T DE 602007014174T DE 602007014174 D1 DE602007014174 D1 DE 602007014174D1
Authority
DE
Germany
Prior art keywords
incoming signal
module
scanning
symbol
timing
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.)
Active
Application number
DE602007014174T
Other languages
English (en)
Inventor
Bogdan Franovici
Emmanuel Lemois
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.)
Sequans Communications SA
Original Assignee
Sequans Communications 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
Application filed by Sequans Communications SA filed Critical Sequans Communications SA
Publication of DE602007014174D1 publication Critical patent/DE602007014174D1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • H04L27/2662—Symbol synchronisation
    • H04L27/2665—Fine synchronisation, e.g. by positioning the FFT window
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/0202—Channel estimation
    • H04L25/0204—Channel estimation of multiple channels
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/0202—Channel estimation
    • H04L25/0212—Channel estimation of impulse response
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/0202—Channel estimation
    • H04L25/0224—Channel estimation using sounding signals
    • 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
    • H04L27/2662—Symbol synchronisation
    • H04L27/2663—Coarse synchronisation, e.g. by correlation
    • 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
    • H04L27/26—Systems using multi-frequency codes
    • H04L27/2601—Multicarrier modulation systems
    • H04L27/2647—Arrangements specific to the receiver only
    • H04L27/2655—Synchronisation arrangements
    • H04L27/2689—Link with other circuits, i.e. special connections between synchronisation arrangements and other circuits for achieving synchronisation
    • H04L27/2695—Link with other circuits, i.e. special connections between synchronisation arrangements and other circuits for achieving synchronisation with channel estimation, e.g. determination of delay spread, derivative or peak tracking
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B17/00—Monitoring; Testing
    • H04B17/20—Monitoring; Testing of receivers

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Power Engineering (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
DE602007014174T 2007-02-05 2007-02-05 Verfahren und Vorrichtung zur Zeitsynchronisation und Scanning von Nachbarzellen für zelluläre OFDM-Systeme Active DE602007014174D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP07290144A EP1953982B1 (de) 2007-02-05 2007-02-05 Verfahren und Vorrichtung zur Zeitsynchronisation und Scanning von Nachbarzellen für zelluläre OFDM-Systeme

Publications (1)

Publication Number Publication Date
DE602007014174D1 true DE602007014174D1 (de) 2011-06-09

Family

ID=38175557

Family Applications (1)

Application Number Title Priority Date Filing Date
DE602007014174T Active DE602007014174D1 (de) 2007-02-05 2007-02-05 Verfahren und Vorrichtung zur Zeitsynchronisation und Scanning von Nachbarzellen für zelluläre OFDM-Systeme

Country Status (4)

Country Link
US (1) US20080279322A1 (de)
EP (1) EP1953982B1 (de)
AT (1) ATE507644T1 (de)
DE (1) DE602007014174D1 (de)

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7248559B2 (en) 2001-10-17 2007-07-24 Nortel Networks Limited Scattered pilot pattern and channel estimation method for MIMO-OFDM systems
US8411709B1 (en) 2006-11-27 2013-04-02 Marvell International Ltd. Use of previously buffered state information to decode in an hybrid automatic repeat request (H-ARQ) transmission mode
US8542725B1 (en) 2007-11-14 2013-09-24 Marvell International Ltd. Decision feedback equalization for signals having unequally distributed patterns
US8081717B2 (en) * 2008-02-11 2011-12-20 Nokia Siemens Networks Oy Delay estimation for a timing advance loop
US8565325B1 (en) 2008-03-18 2013-10-22 Marvell International Ltd. Wireless device communication in the 60GHz band
US8125885B2 (en) * 2008-07-11 2012-02-28 Texas Instruments Incorporated Frequency offset estimation in orthogonal frequency division multiple access wireless networks
US8498342B1 (en) 2008-07-29 2013-07-30 Marvell International Ltd. Deblocking filtering
US8345533B1 (en) * 2008-08-18 2013-01-01 Marvell International Ltd. Frame synchronization techniques
US8743826B2 (en) * 2008-10-06 2014-06-03 Qualcomm Incorporated Methods and apparatus for scanning for neighbor base stations in time synchronous wireless communication systems
US8520771B1 (en) 2009-04-29 2013-08-27 Marvell International Ltd. WCDMA modulation
CA2767447A1 (en) * 2009-07-06 2011-01-13 Rockstar Bidco, LP Methods and apparatus for wireless communication
EP2296332A1 (de) * 2009-09-10 2011-03-16 ST-Ericsson (France) SAS Primärsynchronistaionserkennung mit geringer Komplexität mit grober Frequenzoffseteinschätzung für ein drahtloses LTE-Kommunikationssystem
KR101310908B1 (ko) * 2009-12-15 2013-10-14 한국전자통신연구원 멀티캐스트 신호 복조 장치 및 그 방법
US9001904B2 (en) * 2010-03-03 2015-04-07 Lantiq Deutschland Gmbh Multi-carrier clock transport and synchronization
US8817771B1 (en) 2010-07-16 2014-08-26 Marvell International Ltd. Method and apparatus for detecting a boundary of a data frame in a communication network
US8792601B2 (en) * 2011-10-04 2014-07-29 Qualcomm Incorporated Non-coherent combining detection with reduced buffering requirements
US9860894B2 (en) 2012-11-30 2018-01-02 Commonwealth Scientific And Industrial Research Organisation Wireless backhaul system
CN104272831B (zh) * 2013-02-05 2019-05-10 华为技术有限公司 通信资源的分配方法、基站及用户设备
WO2016044877A1 (en) * 2014-09-22 2016-03-31 Commonwealth Scientific And Industrial Research Organisation Linear equalization for use in low latency high speed communication systems
WO2016054525A1 (en) * 2014-10-03 2016-04-07 Interdigital Patent Holdings, Inc. Systems and methods for multiuser interleaving and modulation
CN105703894B (zh) * 2014-12-11 2019-04-26 联芯科技有限公司 频域定时同步方法和装置
US9520910B1 (en) * 2015-09-24 2016-12-13 Nxp B.V. Receiver component and method for enhancing a detection range of a time-tracking process in a receiver
WO2017058801A1 (en) * 2015-09-28 2017-04-06 Zahir Raza Improved signal detection in dynamic channels with high carrier frequency offset
CN113965235B (zh) * 2021-11-06 2023-12-29 中国电子科技集团公司第五十四研究所 一种使用tdma信号进行电子波束扫描跟踪解调的方法

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1997041672A1 (en) * 1996-04-29 1997-11-06 Philips Electronics N.V. Symbol synchronisation in a multicarrier receiver
US6754170B1 (en) * 2000-09-29 2004-06-22 Symbol Technologies, Inc. Timing synchronization in OFDM communications receivers
US7106709B2 (en) * 2000-11-29 2006-09-12 Telefonaktiebologet Lm Ericsson (Publ) Timing drift compensation in wireless packet-based systems
US7548506B2 (en) * 2001-10-17 2009-06-16 Nortel Networks Limited System access and synchronization methods for MIMO OFDM communications systems and physical layer packet and preamble design
US7039000B2 (en) * 2001-11-16 2006-05-02 Mitsubishi Electric Research Laboratories, Inc. Timing synchronization for OFDM-based wireless networks
US7173990B2 (en) * 2001-12-27 2007-02-06 Dsp Group Inc. Joint equalization, soft-demapping and phase error correction in wireless system with receive diversity
KR100479864B1 (ko) * 2002-11-26 2005-03-31 학교법인 중앙대학교 이동 통신 시스템에서의 하향링크 신호의 구성 방법과동기화 방법 및 그 장치 그리고 이를 이용한 셀 탐색 방법
US7254204B2 (en) * 2003-08-05 2007-08-07 Afa Technologies, Inc. Method and system for OFDM symbol timing synchronization
GB2412551A (en) * 2004-03-26 2005-09-28 Sony Uk Ltd Receiver
KR100659937B1 (ko) * 2004-10-12 2006-12-21 삼성전자주식회사 무선통신시스템에서 셀 인식 및 하향링크 동기를 획득하기위한 장치 및 방법
US8249132B2 (en) * 2005-03-30 2012-08-21 Panasonic Corporation Communication terminal and receiving method
JP4588548B2 (ja) * 2005-06-15 2010-12-01 株式会社エヌ・ティ・ティ・ドコモ 受信装置及び受信方法
US7835460B2 (en) * 2005-10-27 2010-11-16 Qualcomm Incorporated Apparatus and methods for reducing channel estimation noise in a wireless transceiver
KR101223783B1 (ko) * 2006-03-06 2013-01-17 삼성전자주식회사 무선 통신 시스템에서 심벌 타이밍 오프셋 추정 장치 및방법
US7782806B2 (en) * 2006-03-09 2010-08-24 Qualcomm Incorporated Timing synchronization and channel estimation at a transition between local and wide area waveforms using a designated TDM pilot
US7769119B2 (en) * 2006-09-27 2010-08-03 Sandbridge Technologies, Inc. Method of initial synchronization of a communication signal

Also Published As

Publication number Publication date
EP1953982A1 (de) 2008-08-06
ATE507644T1 (de) 2011-05-15
EP1953982B1 (de) 2011-04-27
US20080279322A1 (en) 2008-11-13

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