DE69419792T2 - Funktelefonsystem mit Trainingsfolge variabeler Länge - Google Patents

Funktelefonsystem mit Trainingsfolge variabeler Länge

Info

Publication number
DE69419792T2
DE69419792T2 DE69419792T DE69419792T DE69419792T2 DE 69419792 T2 DE69419792 T2 DE 69419792T2 DE 69419792 T DE69419792 T DE 69419792T DE 69419792 T DE69419792 T DE 69419792T DE 69419792 T2 DE69419792 T2 DE 69419792T2
Authority
DE
Germany
Prior art keywords
variable length
telephone system
training sequence
radio telephone
radio
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.)
Expired - Fee Related
Application number
DE69419792T
Other languages
English (en)
Other versions
DE69419792D1 (de
Inventor
Esa Malkamaki
Pekka Ranta
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.)
Nokia Oyj
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
Publication of DE69419792D1 publication Critical patent/DE69419792D1/de
Application granted granted Critical
Publication of DE69419792T2 publication Critical patent/DE69419792T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/24—Radio transmission systems, i.e. using radiation field for communication between two or more posts
    • H04B7/26—Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile
    • H04B7/2643—Radio 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]
    • H04B7/2656—Radio 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • H04L1/0006—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the transmission format
DE69419792T 1993-03-09 1994-03-08 Funktelefonsystem mit Trainingsfolge variabeler Länge Expired - Fee Related DE69419792T2 (de)

Applications Claiming Priority (1)

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

Publications (2)

Publication Number Publication Date
DE69419792D1 DE69419792D1 (de) 1999-09-09
DE69419792T2 true DE69419792T2 (de) 2000-03-09

Family

ID=8537520

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69419792T Expired - Fee Related DE69419792T2 (de) 1993-03-09 1994-03-08 Funktelefonsystem mit Trainingsfolge variabeler Länge

Country Status (5)

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

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
SE9502161L (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
FI101256B (fi) * 1995-10-03 1998-05-15 Nokia Mobile Phones Ltd Menetelmä vastaanotetun signaalin ajoituksen mittaamiseksi tiedonsiirt ojärjestelmässä 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
FI101438B1 (fi) * 1996-05-21 1998-06-15 Nokia Mobile Phones Ltd Signaalin haku eräässä satelliittipuhelinjärjestelmässä
FI101760B (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
US6337855B1 (en) 1996-11-13 2002-01-08 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 (de) * 1997-09-17 1999-03-24 Motorola, Inc. Funkkommunikationssystem mit einem Übertragungsrahmensformat und Verfahren zu seiner Realization
GB2329796A (en) * 1997-09-29 1999-03-31 Motorola Ltd Increased data rate by reduction of training data
DE19747457C2 (de) * 1997-10-27 2000-04-06 Siemens Ag Verfahren und Anordnung zur Übertragung von Daten über eine Funkschnittstelle in einem Funk-Kommunikationssystem
DE19747369A1 (de) * 1997-10-27 1999-05-06 Siemens Ag Übertragungskanalschätzung in Telekommunikationssystemen mit drahtloser Telekommunikation
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
ES2233919T3 (es) * 1998-06-30 2005-06-16 Siemens Ag Interfaz aerea para sistemas de telecomunicaciones con telecomunicacion inalambrica entre aparatos de emision/recepcion moviles y/o estacionarios.
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
GB2347831B (en) * 1999-03-06 2004-07-07 Nec Technologies Sychronisation in digital data transmission systems
DE19909921A1 (de) * 1999-03-06 2000-09-14 Bosch Gmbh Robert Datenübertragungsvorrichtung und -verfahren
US7952511B1 (en) 1999-04-07 2011-05-31 Geer James L Method and apparatus for the detection of objects using electromagnetic wave attenuation patterns
DE60029687T2 (de) * 1999-06-22 2007-10-18 Matsushita Electric Industrial Co., Ltd., Kadoma Symboltaktsynchronisierung in Mehrträgerempfängern
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 (de) 1999-11-09 2001-05-16 Lucent Technologies Inc. Filter für ein Telekommunikationssystem
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
WO2006079950A1 (en) * 2005-01-31 2006-08-03 Koninklijke Philips Electronics N.V. Method and apparatus using varying length training sequences in radio communication
US20070002980A1 (en) * 2005-06-29 2007-01-04 Eyal Krupka Method for timing and sequence hypotheses selection
EP1955509A4 (de) 2005-11-28 2011-07-06 Lg Electronics Inc Verfahren und vorrichtung zum erzeugen und übertragen einer codesequenz in einem drahtlosen kommunikationssystem
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
US20080273481A1 (en) * 2007-05-02 2008-11-06 Mediaphy Corporation Warm start 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
DE69022715T2 (de) * 1990-03-13 1996-05-23 At & T Corp Ermittlung von Dispersionseigenschaften eines Fernmelde-Übertragungskanals aus einer empfangenen Prüfsequenz nach Korrelation und Vervielfältigung.
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
FI931044A (fi) 1994-09-10
FI931044A0 (fi) 1993-03-09
JPH06326642A (ja) 1994-11-25
EP0615352A1 (de) 1994-09-14
EP0615352B1 (de) 1999-08-04
FI108975B (fi) 2002-04-30
DE69419792D1 (de) 1999-09-09
US5479444A (en) 1995-12-26

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee