ATE244470T1 - Empfänger und verfahren zur erzeugung von spreizcodes in einem empfänger - Google Patents

Empfänger und verfahren zur erzeugung von spreizcodes in einem empfänger

Info

Publication number
ATE244470T1
ATE244470T1 AT96901819T AT96901819T ATE244470T1 AT E244470 T1 ATE244470 T1 AT E244470T1 AT 96901819 T AT96901819 T AT 96901819T AT 96901819 T AT96901819 T AT 96901819T AT E244470 T1 ATE244470 T1 AT E244470T1
Authority
AT
Austria
Prior art keywords
receiver
pct
code sequence
spreading codes
generating
Prior art date
Application number
AT96901819T
Other languages
English (en)
Inventor
Ilkka Keskitalo
Original Assignee
Nokia Corp
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 Corp filed Critical Nokia Corp
Application granted granted Critical
Publication of ATE244470T1 publication Critical patent/ATE244470T1/de

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
    • H04B1/70753—Partial phase search
    • 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
    • H04B1/70754—Setting of search window, i.e. range of code offsets to be searched
    • 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
    • H04B1/708—Parallel implementation
    • 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
    • H04B1/7097—Interference-related aspects
    • H04B1/711—Interference-related aspects the interference being multi-path interference
    • H04B1/7115—Constructive combining of multi-path signals, i.e. RAKE receivers
    • 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
    • H04B1/7075—Synchronisation aspects with code phase acquisition
    • H04B1/7077—Multi-step acquisition, e.g. multi-dwell, coarse-fine or validation
    • H04B1/70775—Multi-dwell schemes, i.e. multiple accumulation times
    • 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
    • H04B1/7097—Interference-related aspects
    • H04B1/711—Interference-related aspects the interference being multi-path interference
    • H04B1/7115—Constructive combining of multi-path signals, i.e. RAKE receivers
    • H04B1/7117—Selection, re-selection, allocation or re-allocation of paths to fingers, e.g. timing offset control of allocated fingers

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
  • Circuits Of Receivers In General (AREA)
  • Communication Control (AREA)
  • Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)
AT96901819T 1995-02-10 1996-02-09 Empfänger und verfahren zur erzeugung von spreizcodes in einem empfänger ATE244470T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI950600A FI97581C (fi) 1995-02-10 1995-02-10 Vastaanotin ja menetelmä hajotuskoodien generoimiseksi vastaanottimessa
PCT/FI1996/000076 WO1996024988A1 (en) 1995-02-10 1996-02-09 Receiver and method for generating spreading codes in a receiver

Publications (1)

Publication Number Publication Date
ATE244470T1 true ATE244470T1 (de) 2003-07-15

Family

ID=8542828

Family Applications (1)

Application Number Title Priority Date Filing Date
AT96901819T ATE244470T1 (de) 1995-02-10 1996-02-09 Empfänger und verfahren zur erzeugung von spreizcodes in einem empfänger

Country Status (10)

Country Link
US (1) US5936999A (de)
EP (1) EP0755590B1 (de)
JP (1) JPH09511893A (de)
CN (1) CN1073764C (de)
AT (1) ATE244470T1 (de)
AU (1) AU702556B2 (de)
DE (1) DE69628885T2 (de)
FI (1) FI97581C (de)
NO (1) NO964293L (de)
WO (1) WO1996024988A1 (de)

Families Citing this family (32)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BR9606663A (pt) 1995-05-17 1997-09-16 Chamberlain Group Inc Transmissor para enviar um sinal criptografado para controlar um atuador receptor para receber um sinal criptografado de um transmissor e para gerar um sinal de atuação e receptor para receber um sinal de frequência de rádio criptografado de um transmissor e para gerar um sinal de atuação
FI100494B (fi) * 1995-11-20 1997-12-15 Nokia Telecommunications Oy Menetelmä vastaanottimen ohjaamiseksi ja vastaanotin
FI101659B (fi) 1996-07-12 1998-07-31 Nokia Mobile Phones Ltd Viiveen estimointimenetelmä ja vastaanotin
US5859880A (en) * 1996-10-31 1999-01-12 Telefonaktiebolaget Lm Ericsson (Publ) Multi-stage squelch apparatus, and associated method, for a multi-branch receiver
EP0844747A1 (de) * 1996-11-26 1998-05-27 Siemens Aktiengesellschaft Empfangseinrichtung für ein Funk-Kommunikationssystem zum Empfang von Teilnehmersignalen über eine Funkschnittstelle
DE69839197T2 (de) * 1997-07-17 2009-03-05 Matsushita Electric Industrial Co., Ltd., Kadoma-shi Synchronisationsverfahren in einem Kodemultiplexvielfachzugriffsystem
GB2330992A (en) 1997-11-03 1999-05-05 Nokia Mobile Phones Ltd Channel estimation in a variable data rate communication system
US6590872B1 (en) * 1997-12-12 2003-07-08 Thomson Licensing S.A. Receiver with parallel correlator for acquisition of spread spectrum digital transmission
JP3793632B2 (ja) * 1997-12-18 2006-07-05 松下電器産業株式会社 セルサーチ方法及び移動局装置
JP3305639B2 (ja) * 1997-12-24 2002-07-24 株式会社エヌ・ティ・ティ・ドコモ 直接拡散ｃｄｍａ伝送方式におけるｒａｋｅ受信機
US6731622B1 (en) 1998-05-01 2004-05-04 Telefonaktiebolaget Lm Ericsson (Publ) Multipath propagation delay determining means using periodically inserted pilot symbols
US6370397B1 (en) * 1998-05-01 2002-04-09 Telefonaktiebolaget Lm Ericsson (Publ) Search window delay tracking in code division multiple access communication systems
JP3028800B2 (ja) * 1998-05-01 2000-04-04 日本電気株式会社 Ｃｄｍａセルラシステム及びｃｄｍａセルラシステムにおける拡散符号検出方法
WO2000025442A1 (en) 1998-10-26 2000-05-04 Nokia Networks Oy Channel estimation in a cellular communication system
DE19855242A1 (de) * 1998-11-30 2000-05-31 Philips Corp Intellectual Pty Drahtloses Netzwerk
FI19991871A7 (fi) 1999-09-02 2001-03-03 Nokia Networks Oy Menetelmä signaalikomponenttien käsittelemiseksi kommunikaatiojärjestelmässä ja vastanotin
JP2001223611A (ja) * 2000-02-10 2001-08-17 Matsushita Electric Ind Co Ltd 受信装置
JP3583349B2 (ja) * 2000-05-19 2004-11-04 三菱電機株式会社 受信機および逆拡散符号生成方法
JP3476009B2 (ja) * 2000-10-11 2003-12-10 日本電気株式会社 Ｃｄｍａ通信システムにおける移動局及びそのフィンガー割り当て方法
US6980803B2 (en) 2000-12-04 2005-12-27 Telefonaktiebolaget Lm Ericsson (Publ) Using statistically ascertained position for starting synchronization searcher during diversity handover
US6907245B2 (en) 2000-12-04 2005-06-14 Telefonaktiebolaget Lm Ericsson (Publ) Dynamic offset threshold for diversity handover in telecommunications system
US6954644B2 (en) 2000-12-04 2005-10-11 Telefonaktiebolaget Lm Ericsson (Publ) Using geographical coordinates to determine mobile station time position for synchronization during diversity handover
AU2002235966A1 (en) * 2002-03-04 2003-09-16 Nokia Corporation Receiving spread spectrum signal in radio system
GB0410617D0 (en) * 2004-05-12 2004-06-16 Ttp Communications Ltd Path searching
US9148409B2 (en) 2005-06-30 2015-09-29 The Chamberlain Group, Inc. Method and apparatus to facilitate message transmission and reception using different transmission characteristics
US8422667B2 (en) 2005-01-27 2013-04-16 The Chamberlain Group, Inc. Method and apparatus to facilitate transmission of an encrypted rolling code
US12556387B2 (en) 2005-01-27 2026-02-17 The Chamberlain Group Llc Method and apparatus to facilitate transmission of an encrypted rolling code
EP2235967B1 (de) 2007-12-19 2019-01-30 Falcon Nano, Inc. Gleichwellenkommunikationssysteme mit seitenbandunterdrückung und verfahren zur erhöhung der kommunikationsgeschwindigkeit, spektralen effizienz und nutzung anderer vorteile
US10652743B2 (en) 2017-12-21 2020-05-12 The Chamberlain Group, Inc. Security system for a moveable barrier operator
US11074773B1 (en) 2018-06-27 2021-07-27 The Chamberlain Group, Inc. Network-based control of movable barrier operators for autonomous vehicles
US11423717B2 (en) 2018-08-01 2022-08-23 The Chamberlain Group Llc Movable barrier operator and transmitter pairing over a network
US10997810B2 (en) 2019-05-16 2021-05-04 The Chamberlain Group, Inc. In-vehicle transmitter training

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH676179A5 (de) * 1988-09-29 1990-12-14 Ascom Zelcom Ag
US4930140A (en) * 1989-01-13 1990-05-29 Agilis Corporation Code division multiplex system using selectable length spreading code sequences
US5260967A (en) * 1992-01-13 1993-11-09 Interdigital Technology Corporation CDMA/TDMA spread-spectrum communications system and method
FI95900C (fi) * 1992-09-30 1996-04-10 Lapin Muovi Ky Säkki
JP3143247B2 (ja) * 1993-01-11 2001-03-07 沖電気工業株式会社 符号分割多元接続復調装置
US5363403A (en) * 1993-04-22 1994-11-08 Interdigital Technology Corporation Spread spectrum CDMA subtractive interference canceler and method
JP3280141B2 (ja) * 1993-04-30 2002-04-30 キヤノン株式会社 スペクトラム拡散受信装置
DE69428440D1 (de) * 1993-06-04 2001-10-31 Motorola Inc Kommunikationsverfahren für ein adaptives direktsequenz-cdma-kommunikationsystem
GB2281482B (en) * 1993-08-26 1997-10-22 Roke Manor Research Apparatus for use in equipment providing a digital radio link between a fixed and a mobile radio unit
GB2282300B (en) * 1993-09-22 1997-10-22 Northern Telecom Ltd Communications system and receiver devices therefor
JP2655068B2 (ja) * 1993-12-30 1997-09-17 日本電気株式会社 スペクトラム拡散受信機
JP2677191B2 (ja) * 1994-03-15 1997-11-17 日本電気株式会社 Ｃｄｍａ通信方式
US5623511A (en) * 1994-08-30 1997-04-22 Lucent Technologies Inc. Spread spectrum code pulse position modulated receiver having delay spread compensation

Also Published As

Publication number Publication date
NO964293D0 (no) 1996-10-09
FI97581B (fi) 1996-09-30
CN1073764C (zh) 2001-10-24
DE69628885D1 (de) 2003-08-07
FI950600A0 (fi) 1995-02-10
WO1996024988A1 (en) 1996-08-15
NO964293L (no) 1996-10-09
JPH09511893A (ja) 1997-11-25
FI97581C (fi) 1997-01-10
US5936999A (en) 1999-08-10
CN1146831A (zh) 1997-04-02
FI950600A7 (fi) 1996-08-11
DE69628885T2 (de) 2004-04-15
EP0755590A1 (de) 1997-01-29
EP0755590B1 (de) 2003-07-02
AU4624696A (en) 1996-08-27
AU702556B2 (en) 1999-02-25

Similar Documents

Publication Publication Date Title
ATE244470T1 (de) Empfänger und verfahren zur erzeugung von spreizcodes in einem empfänger
ATE148970T1 (de) Verfahren zur neusynchronisierung der lokalen oszillatoren eines empfängers und vorrichtung zur durchführung des verfahrens
DE69427099T2 (de) Übertragungssystem mit Taktrückgewinnung
ATE547850T1 (de) Verfahren und vorrichtung zur übertragung von daten mit variabler rate
EP0868082A3 (de) Transparenter Dateneinbau in einem Videosignal
ATE373355T1 (de) System und verfahren zur spreizspektrum- interferenzunterdrückung
DE69724739D1 (de) Verfahren zur Erzeugung von Hintergrundrauschen während einer diskontinuierlichen Übertragung
RU98103270A (ru) Способ и устройство для ортогонализации сигналов множественного доступа с кодовым разделением
JP2002543649A (ja) 改良したウインドウ処理を用いたｏｆｄｍ信号の同期化
NO971545L (no) Signaldeteksjon i et TDMA-system
WO2002101939A3 (en) Robust burst detection and acquisition system and method
ATE172836T1 (de) Verfahren und vorrichtung zur signalqualitätsbestimmung
KR970056496A (ko) Cdma 시스템에서의 동기식 이중 채널 qpsk 변복조 장치 및 그 변복조 방법
TW355892B (en) An apparatus and a method for a telecommunication system
JP2850858B2 (ja) Ｃｄｍａ送受信方式
IL141541A0 (en) Method and apparatus to synthesize and defeat video copy protection signals
EP0838949A3 (de) Videoübertragungsverfahren, Videokopierschutzverfahren und -vorrichtung
JP2937578B2 (ja) スペクトラム拡散通信装置
JPS5710554A (en) Modulation and demodulation device for frequency spread multiplex communication
JPS6457847A (en) Code hopping type multiplex spread spectrum communication system
RU2022331C1 (ru) Генератор ортогональных функций
DE60111031D1 (de) Verfahren, systeme und vorrichtung fuer die vorentzerrung von interferenzen in kodierte, gesendete cdma signale
DE69305161D1 (de) Verfahren zur übertragung und/oder synchronisierung mindestens einer komponente eines multiplex-signals
TW200520416A (en) Method and apparatus for improving channel estimate based on short synchronization code
ATE173352T1 (de) Verfahren und anordnung zur ausgabe von digitalen sprachsignalen

Legal Events

Date Code Title Description
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties