FI110733B - Epäjatkuva CDMA-vastaanotto - Google Patents

Epäjatkuva CDMA-vastaanotto Download PDF

Info

Publication number
FI110733B
FI110733B FI935524A FI935524A FI110733B FI 110733 B FI110733 B FI 110733B FI 935524 A FI935524 A FI 935524A FI 935524 A FI935524 A FI 935524A FI 110733 B FI110733 B FI 110733B
Authority
FI
Finland
Prior art keywords
speech
frame
signal
signals
receiver
Prior art date
Application number
FI935524A
Other languages
English (en)
Finnish (fi)
Swedish (sv)
Other versions
FI935524A (fi
FI935524A0 (fi
Inventor
Paul W Dent
Original Assignee
Ericsson Ge Mobile Communicat
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 Ge Mobile Communicat filed Critical Ericsson Ge Mobile Communicat
Publication of FI935524A0 publication Critical patent/FI935524A0/fi
Publication of FI935524A publication Critical patent/FI935524A/fi
Application granted granted Critical
Publication of FI110733B publication Critical patent/FI110733B/fi

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04KSECRET COMMUNICATION; JAMMING OF COMMUNICATION
    • H04K1/00Secret communication
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B1/00Details 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
    • H04B1/69Spread spectrum techniques
    • H04B1/707Spread spectrum techniques using direct sequence modulation
    • H04B1/7073Synchronisation aspects
    • H04B1/7075Synchronisation aspects with code phase acquisition
    • H04B1/70755Setting of lock conditions, e.g. threshold
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L7/00Arrangements for synchronising receiver with transmitter
    • H04L7/0079Receiver details
    • H04L7/0083Receiver details taking measures against momentary loss of synchronisation, e.g. inhibiting the synchronisation, using idle words or using redundant clocks

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Graft Or Block Polymers (AREA)
  • Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
FI935524A 1992-04-10 1993-12-09 Epäjatkuva CDMA-vastaanotto FI110733B (fi)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US86655592 1992-04-10
US07/866,555 US5239557A (en) 1992-04-10 1992-04-10 Discountinuous CDMA reception
PCT/US1993/003303 WO1993021707A1 (en) 1992-04-10 1993-04-08 Discontinuous cdma reception
US9303303 1993-04-08

Publications (3)

Publication Number Publication Date
FI935524A0 FI935524A0 (fi) 1993-12-09
FI935524A FI935524A (fi) 1994-02-09
FI110733B true FI110733B (fi) 2003-03-14

Family

ID=25347862

Family Applications (1)

Application Number Title Priority Date Filing Date
FI935524A FI110733B (fi) 1992-04-10 1993-12-09 Epäjatkuva CDMA-vastaanotto

Country Status (16)

Country Link
US (1) US5239557A (de)
EP (1) EP0565504B1 (de)
JP (1) JP3248911B2 (de)
KR (1) KR100296064B1 (de)
AU (1) AU668567B2 (de)
BR (1) BR9305477A (de)
CA (1) CA2110999C (de)
DE (1) DE69332054T2 (de)
ES (1) ES2179051T3 (de)
FI (1) FI110733B (de)
HK (1) HK1014320A1 (de)
MX (1) MX9301891A (de)
NZ (1) NZ252372A (de)
SG (1) SG50655A1 (de)
TW (1) TW231350B (de)
WO (1) WO1993021707A1 (de)

Families Citing this family (80)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IL103620A0 (en) * 1992-11-03 1993-04-04 Rafael Armament Dev Authority Spread-spectrum,frequency-hopping radiotelephone system
US5550809A (en) * 1992-04-10 1996-08-27 Ericsson Ge Mobile Communications, Inc. Multiple access coding using bent sequences for mobile radio communications
US5295153A (en) * 1992-04-13 1994-03-15 Telefonaktiebolaget L M Ericsson CDMA frequency allocation
EP0566551B1 (de) * 1992-04-17 1999-08-04 Telefonaktiebolaget L M Ericsson Mobil unterstütztes Weiterreichen mit Kodemultiplex-Vielfachzugriff
US5477209A (en) * 1992-05-01 1995-12-19 Adonis Incorporated Remote controlled safety light having increased noise discrimination
TW306102B (de) * 1993-06-14 1997-05-21 Ericsson Telefon Ab L M
US5363404A (en) * 1993-07-13 1994-11-08 Motorola Inc. Apparatus and method for conveying information in a communication network
US5943324A (en) * 1994-01-11 1999-08-24 Ericsson, Inc. Methods and apparatus for mobile station to mobile station communications in a mobile satellite communication system
FI96154C (fi) * 1994-05-30 1996-05-10 Nokia Telecommunications Oy Menetelmä tilaajapäätelaitteiden synkronisoimiseksi, tukiasema sekä tilaajapäätelaite
JP2605673B2 (ja) * 1994-06-06 1997-04-30 日本電気株式会社 Tdma無線通信システム
US5499296A (en) * 1994-08-22 1996-03-12 Micali; Silvio Natural input encryption and method of use
US5896368A (en) * 1995-05-01 1999-04-20 Telefonaktiebolaget Lm Ericsson Multi-code compressed mode DS-CDMA systems and methods
US5883899A (en) * 1995-05-01 1999-03-16 Telefonaktiebolaget Lm Ericsson Code-rate increased compressed mode DS-CDMA systems and methods
US6885652B1 (en) 1995-06-30 2005-04-26 Interdigital Technology Corporation Code division multiple access (CDMA) communication system
US7929498B2 (en) 1995-06-30 2011-04-19 Interdigital Technology Corporation Adaptive forward power control and adaptive reverse power control for spread-spectrum communications
FI105001B (fi) * 1995-06-30 2000-05-15 Nokia Mobile Phones Ltd Menetelmä odotusajan selvittämiseksi puhedekooderissa epäjatkuvassa lähetyksessä ja puhedekooderi sekä lähetin-vastaanotin
ZA965340B (en) 1995-06-30 1997-01-27 Interdigital Tech Corp Code division multiple access (cdma) communication system
FR2737948B1 (fr) * 1995-08-16 1997-10-17 Alcatel Mobile Comm France Dispositif de commande de volume sonore pour recepteur de signaux de parole codes par blocs
US5805583A (en) * 1995-08-25 1998-09-08 Terayon Communication Systems Process for communicating multiple channels of digital data in distributed systems using synchronous code division multiple access
US5991308A (en) * 1995-08-25 1999-11-23 Terayon Communication Systems, Inc. Lower overhead method for data transmission using ATM and SCDMA over hybrid fiber coax cable plant
US6307868B1 (en) 1995-08-25 2001-10-23 Terayon Communication Systems, Inc. Apparatus and method for SCDMA digital data transmission using orthogonal codes and a head end modem with no tracking loops
US6665308B1 (en) 1995-08-25 2003-12-16 Terayon Communication Systems, Inc. Apparatus and method for equalization in distributed digital data transmission systems
US6356555B1 (en) 1995-08-25 2002-03-12 Terayon Communications Systems, Inc. Apparatus and method for digital data transmission using orthogonal codes
US5745837A (en) * 1995-08-25 1998-04-28 Terayon Corporation Apparatus and method for digital data transmission over a CATV system using an ATM transport protocol and SCDMA
US5793759A (en) * 1995-08-25 1998-08-11 Terayon Corporation Apparatus and method for digital data transmission over video cable using orthogonal cyclic codes
US5768269A (en) * 1995-08-25 1998-06-16 Terayon Corporation Apparatus and method for establishing frame synchronization in distributed digital data communication systems
US6005885A (en) * 1995-12-12 1999-12-21 Intermec Ip Corp. Methodology for discontinuous radio reception utilizing embedded frame length words
US5894473A (en) * 1996-02-29 1999-04-13 Ericsson Inc. Multiple access communications system and method using code and time division
US5757846A (en) * 1996-08-30 1998-05-26 Vasudevan; Subramanian CDMA communication system and method with dual-mode receiver
US5920597A (en) * 1996-09-16 1999-07-06 Ericsson Inc. Decoding technique for tail biting codes
US5954834A (en) * 1996-10-09 1999-09-21 Ericsson Inc. Systems and methods for communicating desired audio information over a communications medium
US5909465A (en) * 1996-12-05 1999-06-01 Ericsson Inc. Method and apparatus for bidirectional demodulation of digitally modulated signals
US5737695A (en) * 1996-12-21 1998-04-07 Telefonaktiebolaget Lm Ericsson Method and apparatus for controlling the use of discontinuous transmission in a cellular telephone
US6041230A (en) * 1997-03-13 2000-03-21 Nokia Telecommunications Oy Transmission method and a cellular radio system
US6009119A (en) * 1997-03-25 1999-12-28 Intermec Ip Corp. Adaptive power leveling of an RF transceiver utilizing information stored in non-volatile memory
US6075807A (en) * 1997-03-25 2000-06-13 Intermec Ip Corp. Windowed digital matched filter circuit for power reduction in battery-powered CDMA radios
US5959981A (en) * 1997-03-31 1999-09-28 Motorola, Inc. Method and apparatus for transmitting information in a communication network
US20020051434A1 (en) * 1997-10-23 2002-05-02 Ozluturk Fatih M. Method for using rapid acquisition spreading codes for spread-spectrum communications
GB2336508B (en) * 1998-03-04 2003-05-28 Internat Mobile Satellite Orga Carrier activation for data communications
US6112084A (en) * 1998-03-24 2000-08-29 Telefonaktiebolaget Lm Ericsson Cellular simultaneous voice and data including digital simultaneous voice and data (DSVD) interwork
US6226318B1 (en) * 1998-03-31 2001-05-01 Zenith Electronics Corporation Detection of code vectors in single frequency, multiple transmitter networks
US7072832B1 (en) 1998-08-24 2006-07-04 Mindspeed Technologies, Inc. System for speech encoding having an adaptive encoding arrangement
FI106906B (fi) * 1998-09-09 2001-04-30 Nokia Networks Oy Lähetysmenetelmä ja radiojärjestelmä
FR2786636B1 (fr) * 1998-11-26 2001-05-04 Cit Alcatel Procede de reception de signaux, notamment de signaux de signalisation
DE19856401A1 (de) * 1998-12-07 2000-06-15 Siemens Ag Verfahren zur Datenübertragung in einem Mobilfunksystem, Mobilstation und Basisstation
US6378099B1 (en) * 1999-01-29 2002-04-23 Qualcomm Incorporated Blind frame identification in a communication system
WO2000064075A1 (en) * 1999-04-16 2000-10-26 Nokia Networks Oy Discontinuous transmission cdma system
GB9908805D0 (en) 1999-04-16 1999-06-09 Nokia Telecommunications Oy A method of transmitting
US6512750B1 (en) * 1999-04-16 2003-01-28 Telefonaktiebolaget Lm Ericsson (Publ) Power setting in CDMA systems employing discontinuous transmission
CN1138354C (zh) * 1999-11-11 2004-02-11 华为技术有限公司 码分多址技术和变速率图像压缩编码技术相结合的传输方法
US7047011B1 (en) 2000-02-10 2006-05-16 Telefonaktiebolaget Lm Ericsson (Publ) Synchronization in diversity handover
US6424637B1 (en) * 2000-06-23 2002-07-23 Motorola, Inc. Method for synchronizing a mobile station to UMTS while operating in GSM dedicated mode
US7340048B2 (en) * 2000-07-14 2008-03-04 Context Connect Llc System and method for directory services and e-commerce across multi-provider networks
US7230932B2 (en) * 2000-08-18 2007-06-12 Nokia Mobile Phones Ltd. Method and apparatus for discontinuous reception scheme and power saving mode for user equipment in packet access mode
US6934317B1 (en) 2000-10-11 2005-08-23 Ericsson Inc. Systems and methods for communicating spread spectrum signals using variable signal constellations
US6868111B1 (en) * 2000-11-28 2005-03-15 Umbrella Capital, Llc Methods and systems for identifying transmitted codewords after loss of synchronization in spread spectrum communication systems
EP1267534A4 (de) * 2001-02-09 2003-06-18 Mitsubishi Electric Corp Digitales modulationsverfahren, funkvermittlungssystem, funkvermittlungseinrichtung
WO2002065724A1 (fr) * 2001-02-13 2002-08-22 Mitsubishi Denki Kabushiki Kaisha Procede de modulation de niveaux multiples, procede de demodulation de niveaux multiples, et procede de modulation/demodulation de niveaux multiples
US7224716B2 (en) * 2002-02-11 2007-05-29 Hypertag Communications, Inc. Communication methods and apparatus employing spread spectrum techniques and doppler-tolerant polyphase codes
AU2003211106A1 (en) * 2002-02-20 2003-09-09 Xtremespectrum, Inc. M-ary orthagonal coded communications method and system
EP1527530B8 (de) * 2002-07-31 2007-09-05 Interdigital Technology Corporation Verbesserter cdma-tdd-empfänger
US7471932B2 (en) * 2003-08-11 2008-12-30 Nortel Networks Limited System and method for embedding OFDM in CDMA systems
CA2595650C (en) * 2005-03-14 2014-02-04 Telefonaktiebolaget Lm Ericsson (Publ) Method and arrangement for improved handover by muting interfering nodes
WO2007016641A2 (en) * 2005-08-02 2007-02-08 Comhouse Wireless, Lp Methods of remotely identifying, suppressing and/or disabling wireless devices of interest
US8767595B2 (en) * 2005-08-02 2014-07-01 L-3 Communications Corporation Enhanced methods of cellular environment detection when interoperating with timed interfers
US8094595B2 (en) * 2005-08-26 2012-01-10 Qualcomm Incorporated Method and apparatus for packet communications in wireless systems
WO2007102689A1 (en) 2006-03-07 2007-09-13 Electronics And Telecommunications Research Institute Method for reducing power consumption of a terminal in cellular system
KR101208271B1 (ko) * 2006-03-07 2012-12-05 한국전자통신연구원 셀룰라 시스템에서의 단말기 저전력 소모 동작 방법
US8755770B2 (en) * 2006-08-01 2014-06-17 L-3 Communications Corporation Methods for identifying wireless devices connected to potentially threatening devices
WO2008022175A2 (en) * 2006-08-15 2008-02-21 Comhouse Wireless Lp A node arbitrated media access control protocol for ad hoc broadcast networks carrying ephemeral information
TWI420934B (zh) * 2006-12-01 2013-12-21 Intel Corp 不連續傳送及接收控制方法及裝置
US8284706B2 (en) * 2007-09-20 2012-10-09 Qualcomm Incorporated Semi-connected operations for wireless communications
US7813739B2 (en) * 2007-09-27 2010-10-12 Koon Hoo Teo Method for reducing inter-cell interference in wireless OFDMA networks
US8477727B2 (en) * 2009-07-29 2013-07-02 L-3 Communications Corporation Methods for surreptitious manipulation of CDMA 2000 wireless devices
US8526395B2 (en) * 2009-09-04 2013-09-03 L-3 Communications Corporation Using code channel overrides to suppress CDMA wireless devices
WO2011051981A1 (en) * 2009-10-26 2011-05-05 Telecom Italia S.P.A. Radio resource scheduling for intra-system interference coordination in wireless communication systems
US8532834B2 (en) 2010-10-29 2013-09-10 Hatch Ltd. Method for integrating controls for captive power generation facilities with controls for metallurgical facilities
US8842641B2 (en) * 2011-08-12 2014-09-23 Telefonaktiebolaget L M Ericsson (Publ) RAKE resource multiplexing for enhanced uplink data services
DK3066777T3 (en) * 2013-11-05 2018-11-05 Eutelsat Sa SYSTEM FOR SENDING AND RECEIVING RADIO FREQUENCY SIGNALS CARRYING COMPLEX HARMONIC MODES
CN106713193B (zh) * 2015-07-20 2021-11-12 北京三星通信技术研究有限公司 一种多用户复用传输的方法和设备

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4134071A (en) * 1971-07-19 1979-01-09 Licentia Patent-Verwaltungs-G.M.B.H. SSMA Data transmission system
US4301530A (en) * 1978-12-18 1981-11-17 The United States Of America As Represented By The Secretary Of The Army Orthogonal spread spectrum time division multiple accessing mobile subscriber access system
US4293953A (en) * 1979-12-28 1981-10-06 The United States Of America As Represented By The Secretary Of The Army Bi-orthogonal PCM communications system employing multiplexed noise codes
DE3023375C1 (de) * 1980-06-23 1987-12-03 Siemens Ag, 1000 Berlin Und 8000 Muenchen, De
US4494228A (en) * 1982-08-12 1985-01-15 The United States Of America As Represented By The Secretary Of The Army Orthogonal code division multiple access communications systems
US4470138A (en) * 1982-11-04 1984-09-04 The United States Of America As Represented By The Secretary Of The Army Non-orthogonal mobile subscriber multiple access system
FR2538976A1 (fr) * 1982-12-29 1984-07-06 Servel Michel Systeme de commutation de paquets synchrones de longueur fixe
DE3511430A1 (de) * 1985-03-29 1986-10-02 Philips Patentverwaltung Gmbh, 2000 Hamburg Verfahren zur synchronisierung der empfangseinrichtungen in einem digitalen multiplex-uebertragungssystem
DE3607687A1 (de) * 1986-03-08 1987-09-10 Philips Patentverwaltung Verfahren und schaltungsanordnung zum weiterschalten einer funkverbindung in eine andere funkzelle eines digitalen funkuebertragungssystems
SU1605254A1 (ru) * 1988-07-07 1990-11-07 Институт кибернетики им.В.М.Глушкова Устройство дл выполнени быстрого преобразовани Уолша-Адамара
US5022046A (en) * 1989-04-14 1991-06-04 The United States Of America As Represented By The Secretary Of The Air Force Narrowband/wideband packet data communication system
US4930139A (en) * 1989-05-31 1990-05-29 O'neill Communications, Inc. Spread spectrum communication system
US5138631A (en) * 1989-12-21 1992-08-11 Gte Spacenet Corporation Satellite communication network

Also Published As

Publication number Publication date
EP0565504B1 (de) 2002-06-26
WO1993021707A1 (en) 1993-10-28
KR940701614A (ko) 1994-05-28
TW231350B (de) 1994-10-01
JP3248911B2 (ja) 2002-01-21
AU668567B2 (en) 1996-05-09
KR100296064B1 (ko) 2001-10-24
EP0565504A1 (de) 1993-10-13
CA2110999A1 (en) 1993-10-28
SG50655A1 (en) 1998-07-20
DE69332054T2 (de) 2002-11-28
CA2110999C (en) 2001-10-02
MX9301891A (es) 1994-03-31
US5239557A (en) 1993-08-24
NZ252372A (en) 1996-08-27
AU4101593A (en) 1993-11-18
BR9305477A (pt) 1994-10-11
DE69332054D1 (de) 2002-08-01
JPH08501665A (ja) 1996-02-20
FI935524A (fi) 1994-02-09
ES2179051T3 (es) 2003-01-16
HK1014320A1 (en) 1999-09-24
FI935524A0 (fi) 1993-12-09

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