HUP0100906A2 - Eljárás rádiótávközlési hálózat rádió végkészülékének szinkronozására és rádió végkészülék az eljárás megvalósítására - Google Patents

Eljárás rádiótávközlési hálózat rádió végkészülékének szinkronozására és rádió végkészülék az eljárás megvalósítására

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Publication number
HUP0100906A2
HUP0100906A2 HU0100906A HUP0100906A HUP0100906A2 HU P0100906 A2 HUP0100906 A2 HU P0100906A2 HU 0100906 A HU0100906 A HU 0100906A HU P0100906 A HUP0100906 A HU P0100906A HU P0100906 A2 HUP0100906 A2 HU P0100906A2
Authority
HU
Hungary
Prior art keywords
signal stream
correlation
radio
profiles
end device
Prior art date
Application number
HU0100906A
Other languages
English (en)
Inventor
Jean-Francois Bouquier
Javier Sanchez Araujo
Benoit De Cacqueray
Original Assignee
Alcatel
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 Alcatel filed Critical Alcatel
Publication of HU0100906D0 publication Critical patent/HU0100906D0/hu
Publication of HUP0100906A2 publication Critical patent/HUP0100906A2/hu
Publication of HUP0100906A3 publication Critical patent/HUP0100906A3/hu

Links

Classifications

    • 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
    • H04B1/7075—Synchronisation aspects with code phase acquisition
    • H04B1/70751—Synchronisation aspects with code phase acquisition using partial detection
    • H04B1/70752—Partial correlation
    • 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
    • H04B1/70735—Code identification
    • 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
    • H04B1/7075—Synchronisation aspects with code phase acquisition
    • H04B1/70755—Setting of lock conditions, e.g. threshold
    • 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
    • H04B1/7075—Synchronisation aspects with code phase acquisition
    • H04B1/70758—Multimode search, i.e. using multiple search strategies
    • 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
    • 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
    • H04B1/7075—Synchronisation aspects with code phase acquisition
    • H04B1/70751—Synchronisation aspects with code phase acquisition using partial detection
    • 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
    • H04B1/7083—Cell search, e.g. using a three-step approach
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B2201/00—Indexing scheme relating to details of transmission systems not covered by a single group of H04B3/00 - H04B13/00
    • H04B2201/69—Orthogonal indexing scheme relating to spread spectrum techniques in general
    • H04B2201/707—Orthogonal indexing scheme relating to spread spectrum techniques in general relating to direct sequence modulation
    • H04B2201/70701—Orthogonal indexing scheme relating to spread spectrum techniques in general relating to direct sequence modulation featuring pilot assisted reception

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)

Abstract

A találmány tárgya eljárás rádiótávközlési hálózat rádióvégkészülékének szinkronozására előírt időközönként ismételt előírtszinkronjel sorozatot tartalmazó, vett jelfolyam segítségével, melyneksorán - a rádió végkészüléken a szinkronjel sorozat jelfolyambelihelyét jelző korrelációs csúcsok meghatározására a jelfolyam egyrészét a szinkronjel sorozathoz hasonlítva korrelációs profiltkészítenek. Jellegzetessége, hogy - annyi korrelációs profiltgyűjtenek össze, amennyi szükséges ahhoz, hogy legalább a legnagyobbkorrelációs csúcs küszöbértéket érjen el, a korrelációs profilokat ajelfolyam különböző részeiből nyerik, - a küszöbértéket pedig agyűjtés során a jelfolyam háttérzajának becsült szintjétől függőenfrissítik. A találmány tárgyához tartozik továbbá a rádió végkészülékrádiótávközlési hálózathoz, amely belső órajel generátort, vettjelfolyam egy részét adott szinkronjel sorozathoz hasonlító,korrelációs profil készítésére alkalmas illesztett szűrőt, valamint akorrelációs profilok összegyűjtésére alkalmas gyűjtőt tartalmaz.Jellegzetessége, hogy a jelfolyam összehasonlított részén becsültháttérzaj szintjének megfelelő küszöbérték frissítésére alkalmaseszközzel rendelkezik. Ó
HU0100906A 2000-03-03 2001-02-27 A method of synchronizing a radio terminal of radio communication network and a corresponding radio terminal HUP0100906A3 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP00440066A EP1130793A1 (en) 2000-03-03 2000-03-03 A method of synchronizing a radio terminal of a radio communication network and a corresponding radio terminal

Publications (3)

Publication Number Publication Date
HU0100906D0 HU0100906D0 (en) 2001-04-28
HUP0100906A2 true HUP0100906A2 (hu) 2001-11-28
HUP0100906A3 HUP0100906A3 (en) 2002-09-30

Family

ID=8174105

Family Applications (1)

Application Number Title Priority Date Filing Date
HU0100906A HUP0100906A3 (en) 2000-03-03 2001-02-27 A method of synchronizing a radio terminal of radio communication network and a corresponding radio terminal

Country Status (5)

Country Link
US (1) US6961352B2 (hu)
EP (1) EP1130793A1 (hu)
JP (1) JP2001298404A (hu)
CN (1) CN1311566A (hu)
HU (1) HUP0100906A3 (hu)

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JP4255601B2 (ja) * 2000-06-14 2009-04-15 株式会社エヌ・ティ・ティ・ドコモ 移動通信システムにおける移動局の同期確立方法
JP3836663B2 (ja) * 2000-09-04 2006-10-25 株式会社エヌ・ティ・ティ・ドコモ 移動通信システムにおける移動局のセルサーチ方法
GB2369017B8 (en) * 2000-11-10 2006-04-06 Ubinetics Ltd Time alignment
JP2002164811A (ja) * 2000-11-24 2002-06-07 Toshiba Corp 時期同定方法、時期同定装置および時期同定システム
CN1314219C (zh) * 2001-06-18 2007-05-02 皇家菲利浦电子有限公司 峰值检测精度
GB2381168B (en) * 2001-10-15 2004-09-08 Ubinetics Ltd Ray classification
US7453863B2 (en) * 2002-04-04 2008-11-18 Lg Electronics Inc. Cell searching apparatus and method in asynchronous mobile communication system
JP3712382B2 (ja) 2002-06-07 2005-11-02 Ｎｅｃマイクロシステム株式会社 Ｗ−ｃｄｍａ方式におけるプロファイル作成方法
AU2003273321A1 (en) * 2002-09-12 2004-04-30 Interdigital Technology Corporation Mitigation of interference in cell search by wireless transmit and receive units
EP1562300A1 (en) * 2004-02-05 2005-08-10 Nec Corporation Synchronization determination control device and synchronization determination control method
DE102004059946B4 (de) * 2004-12-13 2008-10-02 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Vorrichtung und Verfahren zum Ermitteln eines Korrelationsmaximums
DE102004059957A1 (de) 2004-12-13 2006-06-14 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Synchronisationsvorrichtung und Vorrichtung zum Erzeugen eines Synchronisationssignals
US7403746B2 (en) * 2005-01-04 2008-07-22 Mitsubishi Electric Research Laboratories, Inc. Adaptive frame durations for time-hopped impulse radio systems
EP1864524B1 (en) * 2005-03-28 2010-06-23 Thomson Licensing Improved cell search for handover conditions
KR100748938B1 (ko) * 2006-09-18 2007-08-13 주식회사 이노와이어리스 휴대인터넷 계측기의 ｕｌ 동기 획득 방법
US20080130606A1 (en) * 2006-11-30 2008-06-05 Li Fung Chang Method and apparatus for optimizing multipath detection in a wcdma/hsdpa communication system
FR2930704B1 (fr) * 2008-04-23 2010-05-07 Alcatel Lucent Dispositif et procede de recherche de synchronisation avec un equipement de communication radio pour une station de base d'un reseau de radiocommunication
US8764198B2 (en) 2008-04-29 2014-07-01 Himax Display, Inc. Projection system having rotationally asymmetrical illumination unit for emitting light along optic axis
GB0812089D0 (en) * 2008-07-02 2008-08-06 Nec Corp Mobile road communication device and related method of operation
US8817934B2 (en) 2010-07-28 2014-08-26 Qualcomm Incorporated System and method for synchronization tracking in an in-band modem
US8964815B2 (en) * 2012-01-13 2015-02-24 Exelis Inc. Method and apparatus for radio synchronization detection in a rake receiver
CN102665269B (zh) * 2012-04-19 2014-09-03 大唐移动通信设备有限公司 符号定时同步方法及系统
WO2015177923A1 (ja) * 2014-05-23 2015-11-26 三菱電機株式会社 通信装置及び通信方法及びプログラム
KR20170020001A (ko) * 2015-08-13 2017-02-22 삼성전자주식회사 통신 시스템에서 신호 송수신 장치 및 방법
WO2019127447A1 (zh) * 2017-12-29 2019-07-04 华为技术有限公司 用于时间同步的方法、装置和系统
EP3675444A1 (en) 2018-12-28 2020-07-01 INTEL Corporation Methods and devices for communications in device-to-device networks

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Also Published As

Publication number Publication date
EP1130793A1 (en) 2001-09-05
HU0100906D0 (en) 2001-04-28
CN1311566A (zh) 2001-09-05
HUP0100906A3 (en) 2002-09-30
US6961352B2 (en) 2005-11-01
US20010040884A1 (en) 2001-11-15
JP2001298404A (ja) 2001-10-26

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