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SE9200079L - Saett foer synkronisering och kanalestimering i tdma- radiosystem - Google Patents

Saett foer synkronisering och kanalestimering i tdma- radiosystem

Info

Publication number
SE9200079L
SE9200079L SE9200079A SE9200079A SE9200079L SE 9200079 L SE9200079 L SE 9200079L SE 9200079 A SE9200079 A SE 9200079A SE 9200079 A SE9200079 A SE 9200079A SE 9200079 L SE9200079 L SE 9200079L
Authority
SE
Sweden
Prior art keywords
vector
radio system
centre
synchronization
energy
Prior art date
Application number
SE9200079A
Other languages
English (en)
Other versions
SE9200079D0 (sv
SE469678B (sv
Inventor
J Skoeld
Original Assignee
Ericsson Telefon Ab L M
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 Ericsson Telefon Ab L M filed Critical Ericsson Telefon Ab L M
Priority to SE9200079A priority Critical patent/SE469678B/sv
Publication of SE9200079D0 publication Critical patent/SE9200079D0/sv
Priority to EP92850290A priority patent/EP0551803B1/en
Priority to ES92850290T priority patent/ES2103356T3/es
Priority to DE69219577T priority patent/DE69219577T2/de
Priority to FI930005A priority patent/FI106165B/sv
Priority to JP05003040A priority patent/JP3106024B2/ja
Priority to US08/003,474 priority patent/US5373507A/en
Priority to MYPI93000291A priority patent/MY130197A/en
Publication of SE9200079L publication Critical patent/SE9200079L/sv
Publication of SE469678B publication Critical patent/SE469678B/sv

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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L7/00—Arrangements for synchronising receiver with transmitter
    • H04L7/0016—Arrangements for synchronising receiver with transmitter correction of synchronization errors
    • H04L7/005—Correction by an elastic buffer
    • 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
    • H04L7/08—Speed or phase control by synchronisation signals the synchronisation signals recurring cyclically
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W56/00—Synchronisation arrangements
    • H04W56/0055—Synchronisation arrangements determining timing error of reception due to propagation delay
    • H04W56/0065—Synchronisation arrangements determining timing error of reception due to propagation delay using measurement of signal travel time
    • H04W56/007—Open loop measurement
    • H04W56/0075—Open loop measurement based on arrival time vs. expected arrival time
    • H04W56/0085—Open loop measurement based on arrival time vs. expected arrival time detecting a given structure in the signal

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
  • Time-Division Multiplex Systems (AREA)
  • Mobile Radio Communication Systems (AREA)
SE9200079A 1992-01-13 1992-01-13 Saett foer synkronisering och kanalestimering i tdma- radiosystem SE469678B (sv)

Priority Applications (8)

Application Number Priority Date Filing Date Title
SE9200079A SE469678B (sv) 1992-01-13 1992-01-13 Saett foer synkronisering och kanalestimering i tdma- radiosystem
EP92850290A EP0551803B1 (en) 1992-01-13 1992-12-14 A method of synchronizing and channel estimation in a TDMA radio communication system
ES92850290T ES2103356T3 (es) 1992-01-13 1992-12-14 Metodo de sincronizacion y de estimacion de canales en un sistema de radio-comunicacion tdma.
DE69219577T DE69219577T2 (de) 1992-01-13 1992-12-14 Verfahren zur Synchronisierung und Kanalschätzung in einem TDMA-Radiokommunikationssystem
FI930005A FI106165B (sv) 1992-01-13 1993-01-04 Sätt för synkronisering och kanalestimering i TDMA-radiosystem
JP05003040A JP3106024B2 (ja) 1992-01-13 1993-01-12 Ｔｄｍａ無線通信システムにおける同期及びチャンネル判定の方法
US08/003,474 US5373507A (en) 1992-01-13 1993-01-12 Device and method for synchronizing and channel estimation in a TDMA radio communication system
MYPI93000291A MY130197A (en) 1992-01-13 1993-02-20 A method of synchronizing and channel estimation in a tdma radio communication system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE9200079A SE469678B (sv) 1992-01-13 1992-01-13 Saett foer synkronisering och kanalestimering i tdma- radiosystem

Publications (3)

Publication Number Publication Date
SE9200079D0 SE9200079D0 (sv) 1992-01-13
SE9200079L true SE9200079L (sv) 1993-07-14
SE469678B SE469678B (sv) 1993-08-16

Family

ID=20384999

Family Applications (1)

Application Number Title Priority Date Filing Date
SE9200079A SE469678B (sv) 1992-01-13 1992-01-13 Saett foer synkronisering och kanalestimering i tdma- radiosystem

Country Status (8)

Country Link
US (1) US5373507A (sv)
EP (1) EP0551803B1 (sv)
JP (1) JP3106024B2 (sv)
DE (1) DE69219577T2 (sv)
ES (1) ES2103356T3 (sv)
FI (1) FI106165B (sv)
MY (1) MY130197A (sv)
SE (1) SE469678B (sv)

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FR2708401B1 (fr) * 1993-07-27 1995-10-06 Matra Communication Détection de collision dans un canal d'accès aléatoire d'une trame AMRT.
FR2721466B1 (fr) * 1994-06-21 1996-07-26 Alcatel Mobile Comm France Signal de contrôle pour récepteurs, dispositif de synchronisation, dispositif d'égalisation, procédé de synchronisation et récepteurs correspondants.
FI98018C (sv) * 1994-08-18 1997-03-25 Nokia Mobile Phones Ltd Förfarande och anordning för mätning av impulsresponsen av en radiokanal
FI102797B1 (sv) * 1994-10-07 1999-02-15 Nokia Telecommunications Oy Ett signaldetekteringsförfarande i en mottagare för ett TDMA-mobilradiosystem samt en mottagare för utföring av förfarandet
CA2200978A1 (en) * 1994-10-19 1996-05-09 Mordechai Ritz Sectorized communication system and methods useful therefor
SE503522C2 (sv) * 1994-10-31 1996-07-01 Ericsson Telefon Ab L M Förfarande och anordning för kanalestimering
JPH0918528A (ja) * 1995-06-27 1997-01-17 Sony Corp 制御信号検出方法及び無線受信装置
FI101256B (sv) * 1995-10-03 1998-05-15 Nokia Mobile Phones Ltd Förfarande för mätning av tidsinställningen av en mottagen signal i et t dataöverföringssystem och mobil station genomför förfarandet
FI111582B (sv) * 1995-10-23 2003-08-15 Nokia Corp Förfarande och kretsanordning för kompensering av inre tidanpassningsfel i en mobilstation
FI956360L (sv) * 1995-12-29 1997-06-30 Nokia Telecommunications Oy Förfarande för detektering av förbindelseupprättningsskur och mottagare
GB2309868A (en) * 1996-01-30 1997-08-06 Sony Corp Radio receiver detects FCCH synchronising signal
GB2309864A (en) * 1996-01-30 1997-08-06 Sony Corp An equalizer and modulator using a training sequence and multiple correlation with a stored copy of the sequence
FR2745134B1 (fr) * 1996-02-19 1998-04-24 Matra Communication Procede d'etablissement d'une communication entre des terminaux mobiles d'un reseau de radiocommunication numerique
FI102338B (sv) 1996-05-21 1998-11-13 Nokia Mobile Phones Ltd Mottagarens självsynkronisering i tomgångskondition
FI101438B (sv) * 1996-05-21 1998-06-15 Nokia Mobile Phones Ltd Sökning av signalen i ett satellittelefonsystem
US5838745A (en) * 1996-10-09 1998-11-17 Ericsson Inc. Synchronization method, and associated circuitry, for improved synchronization of a receiver with a transmitter using nonlinear transformation metrics
JPH10145324A (ja) * 1996-11-13 1998-05-29 Sony Corp デジタル音声放送の判別装置
US6064660A (en) * 1996-12-12 2000-05-16 Optimay Corporation GSM transceiver with portable protocol stack
US5933768A (en) * 1997-02-28 1999-08-03 Telefonaktiebolaget L/M Ericsson Receiver apparatus, and associated method, for receiving a receive signal transmitted upon a channel susceptible to interference
EP0869644B1 (en) * 1997-04-03 2005-06-15 Sony Corporation Synchronisation to an FCCH signal
ATE208973T1 (de) * 1997-06-17 2001-11-15 Siemens Ag Verfahren zur zeitsynchronisation für eine mobilstation in einem funk-kommunikationssystem
US6084862A (en) * 1997-09-26 2000-07-04 Telefonaktiebolaget Lm Ericsson Time dispersion measurement in radio communications systems
GB2339120B (en) * 1998-06-30 2003-03-19 Nec Technologies Channel estimation device for digital telecommunications stations
GB2347831B (en) 1999-03-06 2004-07-07 Nec Technologies Sychronisation in digital data transmission systems
DE19961557A1 (de) * 1999-12-20 2001-07-05 Infineon Technologies Ag Verfahren und Einrichtung zum Synchronisieren eines Mobilfunkempfängers mit einer Zeitschlitzstruktur eines empfangenen Funksignals
DE10040222A1 (de) * 2000-08-17 2002-02-28 Marconi Comm Gmbh Verfahren zum Betreiben eines Nachrichten-Empfängers
US6847690B1 (en) 2000-11-22 2005-01-25 Telefonaktiebolaget Lm Ericsson (Publ) Determinant-based synchronization techniques and systems
US6792052B1 (en) * 2000-11-22 2004-09-14 Telefonaktiebolaget Lm Ericsson Joint least-square synchronization, channel estimation and noise estimation
ATE364271T1 (de) 2001-02-26 2007-06-15 Juniper Networks Inc Verfahren und vorrichtung zur effizienten und genauen grobzeitsynchronisierung in pulsdemodulatoren
US7248652B2 (en) * 2001-02-28 2007-07-24 Agere Systems Inc. Method and apparatus for recovering timing information in orthogonal frequency division multiplexing (OFDM) systems
US6912249B2 (en) * 2001-03-15 2005-06-28 Telefonaktiebolaget L M Ericsson (Publ) Method and system for training a radio receiver
US20020181407A1 (en) * 2001-03-28 2002-12-05 Anders Khullar Link quality control by using time dispersion information
US20020173286A1 (en) * 2001-04-06 2002-11-21 Bengt Lindoff Radiocommunication employing selected synchronization technique
US7079601B2 (en) * 2001-06-19 2006-07-18 Telefonaktiebolaget Lm Ericsson (Publ) Efficient channel estimation in a digital communications system
EP1274193A1 (en) * 2001-07-04 2003-01-08 TELEFONAKTIEBOLAGET L M ERICSSON (publ) Method and device for providing timing information in a wireless communication system
US6757321B2 (en) * 2002-05-22 2004-06-29 Interdigital Technology Corporation Segment-wise channel equalization based data estimation
GB2394390B (en) 2002-10-18 2005-07-06 Ipwireless Inc Arrangement and method for RF filter
GB2394623B (en) * 2002-10-24 2006-08-30 Ipwireless Inc Method and arrangement for channel estimation in a wireless communication system
DE10303912B4 (de) * 2003-01-31 2005-03-17 Infineon Technologies Ag Verfahren und Vorrichtung zur Bestimmung von Energieverzögerungsprofilen bei einer Datenstrombübertragung über mehrfache Datenübertragungspfade
US7346103B2 (en) 2003-03-03 2008-03-18 Interdigital Technology Corporation Multi user detection using equalization and successive interference cancellation
US7894417B2 (en) * 2005-11-01 2011-02-22 Nokia Corporation Signal arrangement for multi-bandwidth OFDM system
US7706352B2 (en) * 2005-11-01 2010-04-27 Nokia Corporation Multicarrier pilot structure for reliable frame detection
FI20065534A0 (sv) * 2006-08-28 2006-08-28 Nokia Corp Synkronisering
US7773127B2 (en) * 2006-10-13 2010-08-10 Apple Inc. System and method for RAW image processing
DE102010002331A1 (de) * 2010-02-25 2011-08-25 Siemens Aktiengesellschaft, 80333 Synchronisierung von Netzwerkgeräten
US9014305B2 (en) * 2011-06-23 2015-04-21 Texas Instruments Incorporated Bi-phase communication demodulation techniques
KR102191290B1 (ko) * 2014-01-29 2020-12-15 삼성전자 주식회사 이동통신 시스템에서 통신 채널 추정 방법 및 장치
CN107204944B (zh) * 2016-03-18 2020-11-03 富士通株式会社 发送序列产生装置、训练序列同步装置、信道间隔估计装置、方法和系统

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SE457399B (sv) * 1987-04-23 1988-12-19 Ericsson Telefon Ab L M Anordning i en koherrent mobiltelefonmottagare foer reducering av bitfel
US4873683A (en) * 1987-12-04 1989-10-10 Motorola, Inc. TDMA radio system employing BPSK synchronization for QPSK signals subject to random phase variation and multipath fading
FR2650456A1 (fr) * 1989-07-28 1991-02-01 Trt Telecom Radio Electr Procede de synchronisation par correlation
US5228057A (en) * 1989-11-15 1993-07-13 Telefonaktiebolaget L M Ericsson Method of determining sampling time points
US5241545A (en) * 1990-11-14 1993-08-31 Motorola, Inc. Apparatus and method for recovering a time-varying signal using multiple sampling points

Also Published As

Publication number Publication date
US5373507A (en) 1994-12-13
SE9200079D0 (sv) 1992-01-13
FI106165B (sv) 2000-11-30
FI930005L (fi) 1993-07-14
JP3106024B2 (ja) 2000-11-06
MY130197A (en) 2007-06-29
SE469678B (sv) 1993-08-16
DE69219577D1 (de) 1997-06-12
EP0551803B1 (en) 1997-05-07
EP0551803A1 (en) 1993-07-21
DE69219577T2 (de) 1997-09-11
FI930005A0 (fi) 1993-01-04
JPH05268157A (ja) 1993-10-15
ES2103356T3 (es) 1997-09-16

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