SE469678B - Saett foer synkronisering och kanalestimering i tdma- radiosystem - Google Patents

Saett foer synkronisering och kanalestimering i tdma- radiosystem

Info

Publication number
SE469678B
SE469678B SE9200079A SE9200079A SE469678B SE 469678 B SE469678 B SE 469678B SE 9200079 A SE9200079 A SE 9200079A SE 9200079 A SE9200079 A SE 9200079A SE 469678 B SE469678 B SE 469678B
Authority
SE
Sweden
Prior art keywords
vector
correlation values
correlation
synchronization
center position
Prior art date
Application number
SE9200079A
Other languages
English (en)
Swedish (sv)
Other versions
SE9200079D0 (sv
SE9200079L (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/xx
Priority to EP92850290A priority patent/EP0551803B1/en
Priority to DE69219577T priority patent/DE69219577T2/de
Priority to ES92850290T priority patent/ES2103356T3/es
Priority to FI930005A priority patent/FI106165B/fi
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/xx
Publication of SE469678B publication Critical patent/SE469678B/sv

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L7/00Arrangements for synchronising receiver with transmitter
    • H04L7/04Speed or phase control by synchronisation signals
    • H04L7/041Speed or phase control by synchronisation signals using special codes as synchronising signal
    • H04L7/042Detectors therefor, e.g. correlators, state machines
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L7/00Arrangements for synchronising receiver with transmitter
    • H04L7/0016Arrangements for synchronising receiver with transmitter correction of synchronization errors
    • H04L7/005Correction by an elastic buffer
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L7/00Arrangements for synchronising receiver with transmitter
    • H04L7/04Speed or phase control by synchronisation signals
    • H04L7/08Speed or phase control by synchronisation signals the synchronisation signals recurring cyclically
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W56/00Synchronisation arrangements
    • H04W56/0055Synchronisation arrangements determining timing error of reception due to propagation delay
    • H04W56/0065Synchronisation arrangements determining timing error of reception due to propagation delay using measurement of signal travel time
    • H04W56/007Open loop measurement
    • H04W56/0075Open loop measurement based on arrival time vs. expected arrival time
    • H04W56/0085Open 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
DE69219577T DE69219577T2 (de) 1992-01-13 1992-12-14 Verfahren zur Synchronisierung und Kanalschätzung in einem TDMA-Radiokommunikationssystem
ES92850290T ES2103356T3 (es) 1992-01-13 1992-12-14 Metodo de sincronizacion y de estimacion de canales en un sistema de radio-comunicacion tdma.
FI930005A FI106165B (fi) 1992-01-13 1993-01-04 Synkronisointi- ja kanavaestimointitapa TDMA-radiojärjestelmässä
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 SE9200079L (sv) 1993-07-14
SE469678B true 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 (ja)
EP (1) EP0551803B1 (ja)
JP (1) JP3106024B2 (ja)
DE (1) DE69219577T2 (ja)
ES (1) ES2103356T3 (ja)
FI (1) FI106165B (ja)
MY (1) MY130197A (ja)
SE (1) SE469678B (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5838672A (en) * 1995-10-03 1998-11-17 Nokia Mobile Phones Ltd. Method for measuring the timing of a received signal in a communication system and mobile station implementing the method

Families Citing this family (49)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1993020627A1 (en) * 1992-03-31 1993-10-14 The Commonwealth Of Australia Demultiplexer synchroniser
JPH06140951A (ja) * 1992-10-27 1994-05-20 Sony Corp ビタビ等化器
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 (fi) * 1994-08-18 1997-03-25 Nokia Mobile Phones Ltd Menetelmä ja laite radiokanavan impulssivasteen mittaamiseksi
FI102797B (fi) * 1994-10-07 1999-02-15 Nokia Mobile Phones Ltd Signaalin ilmaisumenetelmä TDMA-matkaviestinjärjestelmän vastaanottime ssa sekä menetelmän toteuttava vastaanotin
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
FI111582B (fi) * 1995-10-23 2003-08-15 Nokia Corp Menetelmä ja piirijärjestely matkaviestimen sisäisten ajatusvirheiden kompensoimiseksi
FI956360A (fi) * 1995-12-29 1997-06-30 Nokia Telecommunications Oy Menetelmä yhteydenmuodostuspurskeen havaitsemiseksi ja vastaanotin
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
GB2309868A (en) * 1996-01-30 1997-08-06 Sony Corp Radio receiver detects FCCH synchronising signal
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
FI101438B (fi) * 1996-05-21 1998-06-15 Nokia Mobile Phones Ltd Signaalin haku eräässä satelliittipuhelinjärjestelmässä
FI102338B1 (fi) 1996-05-21 1998-11-13 Nokia Mobile Phones Ltd Vastaanottimen tahdistuminen joutotilassa
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
IL132839A0 (en) * 1997-06-17 2001-03-19 Siemens Ag Time synchronisation method for a mobile station in a mobile communications system
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
DE60128784T2 (de) 2001-02-26 2008-02-07 Juniper Networks, Inc., Sunnyvale 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
US7706352B2 (en) * 2005-11-01 2010-04-27 Nokia Corporation Multicarrier pilot structure for reliable frame detection
US7894417B2 (en) * 2005-11-01 2011-02-22 Nokia Corporation Signal arrangement for multi-bandwidth OFDM system
FI20065534A0 (fi) 2006-08-28 2006-08-28 Nokia Corp Synkronisointi
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

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5838672A (en) * 1995-10-03 1998-11-17 Nokia Mobile Phones Ltd. Method for measuring the timing of a received signal in a communication system and mobile station implementing the method

Also Published As

Publication number Publication date
JPH05268157A (ja) 1993-10-15
FI930005A (fi) 1993-07-14
DE69219577T2 (de) 1997-09-11
SE9200079D0 (sv) 1992-01-13
FI930005A0 (fi) 1993-01-04
US5373507A (en) 1994-12-13
JP3106024B2 (ja) 2000-11-06
MY130197A (en) 2007-06-29
SE9200079L (sv) 1993-07-14
EP0551803B1 (en) 1997-05-07
DE69219577D1 (de) 1997-06-12
ES2103356T3 (es) 1997-09-16
EP0551803A1 (en) 1993-07-21
FI106165B (fi) 2000-11-30

Similar Documents

Publication Publication Date Title
SE469678B (sv) Saett foer synkronisering och kanalestimering i tdma- radiosystem
JP2748743B2 (ja) データ受信方式
EP0604208A2 (en) Adaptive equalizer
US6256336B1 (en) Method and apparatus for detecting items of information transmitted according to the DS-CDMA principle in a receiver apparatus
EP0755141A2 (en) Adaptive decision feedback equalization for communication systems
CA2141174C (en) Improvements in or relating to co-channel interference suppression systems
US20070098120A1 (en) Apparatus and methods for reducing channel estimation noise in a wireless transceiver
SE503522C2 (sv) Förfarande och anordning för kanalestimering
JPH04274611A (ja) 等化方式
JPH0795107A (ja) 適応型最尤系列推定装置
JP2001522197A (ja) 多重ユーザ信号の複合的等化および検出方法
EP3742691B1 (en) Wireless communication system and wireless communication method
EP3997795B1 (en) Adaptive hopping equalizer
US5450445A (en) Method and arrangement of estimating data sequences transmitted using viterbi algorithm
JP2000504539A (ja) インパルス応答を計算する方法及び受信器
EP1714449B1 (en) Method and apparatus to perform channel estimation for a communication system
WO2005041435A1 (en) System for decreasing processing time in an iterative multi-user detector system
AU763010B2 (en) Radio receiving system and synchronization detection method
Crozier et al. Short-block equalization techniques employing channel estimation for fading time-dispersive channels
EP1061667B1 (en) Improved channel estimation technique
CN113014362A (zh) 一种前导序列的检测方法、装置、设备及存储介质
JP4347083B2 (ja) 伝送路特性推定装置及びコンピュータプログラム
JP2013106085A (ja) デジタル無線受信装置およびデジタル無線受信方法
EP1475931B1 (en) Method and apparatus for iterative estimation of channel- or filter-coefficients
JPH0152944B2 (ja)

Legal Events

Date Code Title Description
NAL Patent in force

Ref document number: 9200079-3

Format of ref document f/p: F

NUG Patent has lapsed