FI931044A - Traeningssekvens i ett digitalt cellulaert radiotelefonsystem - Google Patents

Traeningssekvens i ett digitalt cellulaert radiotelefonsystem Download PDF

Info

Publication number
FI931044A
FI931044A FI931044A FI931044A FI931044A FI 931044 A FI931044 A FI 931044A FI 931044 A FI931044 A FI 931044A FI 931044 A FI931044 A FI 931044A FI 931044 A FI931044 A FI 931044A
Authority
FI
Finland
Prior art keywords
training sequence
digital cellular
cellular radiotelephone
radiotelephone system
digital
Prior art date
Application number
FI931044A
Other languages
English (en)
Other versions
FI108975B (fi
FI931044A0 (fi
Inventor
Esa Malkamaeki
Pekka Ranta
Original Assignee
Nokia Mobile Phones Ltd
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 Nokia Mobile Phones Ltd filed Critical Nokia Mobile Phones Ltd
Priority to FI931044A priority Critical patent/FI108975B/fi
Publication of FI931044A0 publication Critical patent/FI931044A0/fi
Priority to US08/201,343 priority patent/US5479444A/en
Priority to EP94301611A priority patent/EP0615352B1/en
Priority to DE69419792T priority patent/DE69419792T2/de
Priority to JP6038459A priority patent/JPH06326642A/ja
Publication of FI931044A publication Critical patent/FI931044A/fi
Application granted granted Critical
Publication of FI108975B publication Critical patent/FI108975B/fi

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
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B7/00Radio transmission systems, i.e. using radiation field
    • H04B7/24Radio transmission systems, i.e. using radiation field for communication between two or more posts
    • H04B7/26Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile
    • H04B7/2643Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile using time-division multiple access [TDMA]
    • H04B7/2656Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile using time-division multiple access [TDMA] for structure of frame, burst
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00Arrangements for detecting or preventing errors in the information received
    • H04L1/0001Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • H04L1/0006Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the transmission format

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Quality & Reliability (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Noise Elimination (AREA)
FI931044A 1993-03-09 1993-03-09 Opetusjakso digitaalisessa solukkopuhelinjärjestelmässä FI108975B (fi)

Priority Applications (5)

Application Number Priority Date Filing Date Title
FI931044A FI108975B (fi) 1993-03-09 1993-03-09 Opetusjakso digitaalisessa solukkopuhelinjärjestelmässä
US08/201,343 US5479444A (en) 1993-03-09 1994-02-24 Training sequence in digital cellular radio telephone system
EP94301611A EP0615352B1 (en) 1993-03-09 1994-03-08 Radio telephone system using a variable length training sequence
DE69419792T DE69419792T2 (de) 1993-03-09 1994-03-08 Funktelefonsystem mit Trainingsfolge variabeler Länge
JP6038459A JPH06326642A (ja) 1993-03-09 1994-03-09 デジタル方式のセルラー無線電話システム

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI931044A FI108975B (fi) 1993-03-09 1993-03-09 Opetusjakso digitaalisessa solukkopuhelinjärjestelmässä
FI931044 1993-03-09

Publications (3)

Publication Number Publication Date
FI931044A0 FI931044A0 (fi) 1993-03-09
FI931044A true FI931044A (fi) 1994-09-10
FI108975B FI108975B (fi) 2002-04-30

Family

ID=8537520

Family Applications (1)

Application Number Title Priority Date Filing Date
FI931044A FI108975B (fi) 1993-03-09 1993-03-09 Opetusjakso digitaalisessa solukkopuhelinjärjestelmässä

Country Status (5)

Country Link
US (1) US5479444A (fi)
EP (1) EP0615352B1 (fi)
JP (1) JPH06326642A (fi)
DE (1) DE69419792T2 (fi)
FI (1) FI108975B (fi)

Families Citing this family (64)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5602831A (en) * 1995-03-31 1997-02-11 Seiko Communications Systems, Inc. Optimizing packet size to eliminate effects of reception nulls
SE503648C2 (sv) * 1995-06-12 1996-07-22 Ericsson Telefon Ab L M Anordning och förfarande för mottagning och demodulering av olika signaltyper i en basstation
FI101256B1 (fi) * 1995-10-03 1998-05-15 Nokia Mobile Phones Ltd Menetelmä vastaanotetun signaalin ajoituksen mittaamiseksi tiedonsiirtojärjestelmässä ja menetelmän toteuttava matkaviestin
EP0767543A3 (de) * 1995-10-06 2000-07-26 Siemens Aktiengesellschaft Kodemultiplexnachrichtenübertragung mit Interferenzunterdrückung
DE19614543C1 (de) * 1996-04-12 1997-08-28 Philips Patentverwaltung Entzerrer mit erweiterter Kanalschätzung für einen Empfänger in einem digitalen Übertragungssystem
FI101438B (fi) * 1996-05-21 1998-06-15 Nokia Mobile Phones Ltd Signaalin haku eräässä satelliittipuhelinjärjestelmässä
FI101760B1 (fi) * 1996-08-09 1998-08-14 Nokia Telecommunications Oy Signalointimenetelmä ja digitaalinen radiojärjestelmä
US6144711A (en) * 1996-08-29 2000-11-07 Cisco Systems, Inc. Spatio-temporal processing for communication
WO1998021847A1 (en) * 1996-11-13 1998-05-22 Nokia Telecommunications Oy Method, transmitter and receiver for transmitting training signals in a tdma transmission system
GB2321832B (en) * 1997-01-30 1999-01-06 Motorola Israel Ltd Method to train a radio
AT407810B8 (de) * 1997-03-27 2001-08-27 Post & Telekom Austria Ag Verfahren zum erzeugen von trainingsfolgen für die anwendung im zellularen mobilfunk
FR2761558B1 (fr) * 1997-03-28 1999-09-24 Nortel Matra Cellular Paquets de transmission de memes longueurs et de structures differentes
US6243428B1 (en) * 1997-06-11 2001-06-05 Ericsson Inc. Method and apparatus for band-adaptive demodulation
DE19733120A1 (de) 1997-07-31 1999-02-18 Siemens Ag Verfahren und Funkstation zur Datenübertragung
DE19733336A1 (de) * 1997-08-01 1999-02-18 Siemens Ag Verfahren und Funkstation zur Datenübertragung
EP0903872A1 (en) * 1997-09-17 1999-03-24 Motorola, Inc. Radio communication system having a frame transmission format and a method of providing the same
GB2329796A (en) * 1997-09-29 1999-03-31 Motorola Ltd Increased data rate by reduction of training data
DE19747369A1 (de) 1997-10-27 1999-05-06 Siemens Ag Übertragungskanalschätzung in Telekommunikationssystemen mit drahtloser Telekommunikation
DE19747457C2 (de) * 1997-10-27 2000-04-06 Siemens Ag Verfahren und Anordnung zur Übertragung von Daten über eine Funkschnittstelle in einem Funk-Kommunikationssystem
GB2330992A (en) 1997-11-03 1999-05-05 Nokia Mobile Phones Ltd Channel estimation in a variable data rate communication system
FR2772221B1 (fr) * 1997-12-10 1999-12-31 Alsthom Cge Alcatel Trame de transmission de donnees de longueur variable, et dispositifs d'emission et de reception de telles trames
US6269093B1 (en) 1997-12-16 2001-07-31 Nokia Mobile Phones Limited Adaptive removal of disturbance in TDMA acoustic peripheral devices
DE19808371C2 (de) 1998-02-27 2001-12-13 Siemens Ag Verfahren und Funk-Kommunikationssystem zur Informationsübertragung zwischen einer Basisstation und weiteren Funkstationen
DE69820421T2 (de) * 1998-06-19 2004-05-27 Motorola Semiconducteurs S.A. Verfahren und Vorrichtung zum Entzerren in einem Funkempfänger
US6522644B2 (en) * 1998-06-25 2003-02-18 Telefonaktiebolaget Lm Ericsson (Publ) Method for decorrelating background interference in a time-synchronized mobile communications system
AU748664B2 (en) 1998-06-30 2002-06-06 Nokia Siemens Networks Gmbh & Co. Kg Air interface for telecommunications systems with cordless telecommunications between mobile and/or stationary transmitting/receiving devices
DE19829818A1 (de) * 1998-07-03 2000-01-13 Siemens Ag Verfahren zur Datenübertragung
US6411649B1 (en) * 1998-10-20 2002-06-25 Ericsson Inc. Adaptive channel tracking using pilot sequences
DE19909921A1 (de) * 1999-03-06 2000-09-14 Bosch Gmbh Robert Datenübertragungsvorrichtung und -verfahren
GB2347831B (en) * 1999-03-06 2004-07-07 Nec Technologies Sychronisation in digital data transmission systems
US7952511B1 (en) 1999-04-07 2011-05-31 Geer James L Method and apparatus for the detection of objects using electromagnetic wave attenuation patterns
EP1063824B1 (en) 1999-06-22 2006-08-02 Matsushita Electric Industrial Co., Ltd. Symbol synchronisation in multicarrier receivers
US7372825B1 (en) * 1999-07-13 2008-05-13 Texas Instruments Incorporated Wireless communications system with cycling of unique cell bit sequences in station communications
DE19946866B4 (de) 1999-09-30 2014-10-16 Ipcom Gmbh & Co. Kg Datenübertragungsverfahren
EP1100211A1 (en) 1999-11-09 2001-05-16 Lucent Technologies Inc. Filter for telecommunications system
US7106788B1 (en) * 1999-11-19 2006-09-12 3Com Corporation Method and system for analytically computing and using an ANSpcm signal
GB2360676B (en) * 2000-03-24 2003-12-24 Roke Manor Research Improvements in or relating to mobile telecommunications systems
US8363744B2 (en) 2001-06-10 2013-01-29 Aloft Media, Llc Method and system for robust, secure, and high-efficiency voice and packet transmission over ad-hoc, mesh, and MIMO communication networks
AU2001283109A1 (en) * 2000-08-08 2002-02-18 Adc Telecommunications Inc. Adaptive training sequence for systems using time division multiple access
DE60041875D1 (de) * 2000-09-20 2009-05-07 Lucent Technologies Inc Kommunikationssystem und Verfahren mit variablen Trainingsmittel
GB2369015A (en) * 2000-11-09 2002-05-15 Sony Uk Ltd Receiver that uses guard signals to estimate synchronisation position
US6853681B1 (en) * 2000-11-28 2005-02-08 Telefonaktiebolaget L M Ericsson (Publ) Using different channel models for different training sequences
US6912249B2 (en) * 2001-03-15 2005-06-28 Telefonaktiebolaget L M Ericsson (Publ) Method and system for training a radio receiver
EP1249961A1 (de) * 2001-04-10 2002-10-16 Siemens Aktiengesellschaft Verfahren und Kommunikationssystem-Vorrichtung zur Synchronisierung von über eine Schnittstelle übertragenen Daten
US7079601B2 (en) 2001-06-19 2006-07-18 Telefonaktiebolaget Lm Ericsson (Publ) Efficient channel estimation in a digital communications system
GB2376855A (en) * 2001-06-20 2002-12-24 Sony Uk Ltd Determining symbol synchronisation in an OFDM receiver in response to one of two impulse response estimates
US7277405B2 (en) * 2001-12-27 2007-10-02 Motorola, Inc. Timing recovery and cross talk prevention in the presence of co-channel interference
US7720161B1 (en) 2002-07-09 2010-05-18 Intel Corporation Generating training sequences in a communications system
CN1298125C (zh) * 2003-02-26 2007-01-31 电子科技大学 一种用于消除训练序列的Turbo方法
DE10348818B4 (de) * 2003-10-21 2005-11-10 Universität Hannover Verfahren zur Regelung eines Schutzintervalls von Datenströmen in digitalen Funkübertragungseinrichtungen und Funkempfangsgerät hierzu
US8498650B2 (en) * 2003-12-05 2013-07-30 Qualcomm Incorporated Systems and methods for adaptively allocating resources between a dedicated reference signal and a traffic signal
US7646703B2 (en) 2004-07-27 2010-01-12 Broadcom Corporation Backward-compatible long training sequences for wireless communication networks
DE102004047718B4 (de) * 2004-09-30 2009-01-02 Infineon Technologies Ag Verfahren und Empfängerschaltung zur Reduzierung von RFI-Störungen
JP2008529387A (ja) * 2005-01-31 2008-07-31 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ 無線通信におけるトレーニングシーケンスの変動する長さを使用する方法及び装置。
US20070002980A1 (en) * 2005-06-29 2007-01-04 Eyal Krupka Method for timing and sequence hypotheses selection
US7746916B2 (en) 2005-11-28 2010-06-29 Lg Electronics Inc. Method and apparatus for generating and transmitting code sequence in a wireless communication system
US8300798B1 (en) 2006-04-03 2012-10-30 Wai Wu Intelligent communication routing system and method
KR100922970B1 (ko) * 2007-02-08 2009-10-22 삼성전자주식회사 통신 시스템에서의 훈련 시퀀스 코드의 생성/변조 방법 및 이를 이용한 데이터 송신 장치
KR101040465B1 (ko) 2007-03-16 2011-06-09 엘지에릭슨 주식회사 Cazac 코드 기반 이동통신 시스템에서의 채널 추정방법
US20080273480A1 (en) * 2007-05-02 2008-11-06 Mediaphy Corporation Dynamic adjustment of training time for wireless receiver
GB2449423B (en) 2007-05-17 2012-06-20 Plextek Ltd Transmission frames
CN102377704B (zh) * 2010-08-24 2014-06-04 华为技术有限公司 训练序列符号插入方法、装置及通信系统
JP5592839B2 (ja) * 2011-06-13 2014-09-17 日本電信電話株式会社 無線通信システム及び無線通信方法
US10499421B2 (en) * 2014-03-21 2019-12-03 Qualcomm Incorporated Techniques for configuring preamble and overhead signals for transmissions in an unlicensed radio frequency spectrum band

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59246A (ja) * 1982-06-17 1984-01-05 Fujitsu Ltd トレ−ニング方式
GB8805767D0 (en) * 1988-03-10 1988-04-07 Ncr Co Phase perturbation compensation system
EP0446523B1 (en) * 1990-03-13 1995-09-27 AT&T Corp. Determination of dispersion characteristics of a communication channel from a received training sequence processed by correlation and replication
SE466179B (sv) * 1990-05-10 1992-01-07 Ericsson Telefon Ab L M Foerfarande foer att i ett tidsmultiplext radiokommunikationssystem oeverfoera olika kommandon avseende val av saendarantenn
JP2748743B2 (ja) * 1991-10-01 1998-05-13 日本電気株式会社 データ受信方式
DE4201439A1 (de) * 1992-01-21 1993-07-22 Daimler Benz Ag Verfahren und anordnung zur uebertragung hoher datenraten fuer den digitalen rundfunk

Also Published As

Publication number Publication date
US5479444A (en) 1995-12-26
DE69419792D1 (de) 1999-09-09
FI108975B (fi) 2002-04-30
JPH06326642A (ja) 1994-11-25
EP0615352A1 (en) 1994-09-14
DE69419792T2 (de) 2000-03-09
FI931044A0 (fi) 1993-03-09
EP0615352B1 (en) 1999-08-04

Similar Documents

Publication Publication Date Title
FI931044A (fi) Traeningssekvens i ett digitalt cellulaert radiotelefonsystem
FI943535A0 (fi) Solukkoradiopuhelinjärjestelmä
DE69428931D1 (de) Zellulartelefon
FI923693A (fi) Radiotelefonens bruksystem
FI924943A0 (fi) Radiopuhelinjärjestelmä
DE69125003D1 (de) Zellularfunk
KR100324047B1 (ko) 무선디지털개인통신시스템
DE69429123D1 (de) Mobiltelefon
FI954571A0 (fi) Pakettidata analogisessa solukkojärjestelmässä
DE69317830D1 (de) Funktelefonanordnung
FI935269A0 (fi) Kontruktionsloesning foer en mobiltelefon
KR950702273A (ko) 셀형 가리개(cellular shade)
FI101660B1 (fi) Digitaalinen langaton puhelinjärjestelmä
FI941093A0 (fi) Matkaviestinverkko
FI943170A0 (fi) TDMA solukkojärjestelmän PCM-yhteydessä
DE69222346D1 (de) Funktelefon
FI103442B1 (fi) Digitaalinen radiolinkkijärjestelmä ja radiolinkkilaite
FI944252A (fi) Matkapuhelin
DE69218023D1 (de) Zellulares Telefonsatellitensystem
DE4192652T1 (de) Digitales Funk-Telefonsystem
NO933769D0 (no) Radio-celle telefonsystem
FI956148A0 (fi) Digitaalinen radioliikennelaitteisto
FI944883A0 (fi) Matkaradiopuhelinlaite
FI934564A (fi) Digital radiomottagare
DE69232414D1 (de) Digitales mobiles telefonsystem mit überlappenden konfiguration