CH676179A5 - - Google Patents

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Publication number
CH676179A5
CH676179A5 CH3628/88A CH362888A CH676179A5 CH 676179 A5 CH676179 A5 CH 676179A5 CH 3628/88 A CH3628/88 A CH 3628/88A CH 362888 A CH362888 A CH 362888A CH 676179 A5 CH676179 A5 CH 676179A5
Authority
CH
Switzerland
Prior art keywords
signal
signals
data
synchronization
sequences
Prior art date
Application number
CH3628/88A
Other languages
German (de)
English (en)
Inventor
Hans Kaufmann
Roland Kueng
Urs Grob
Arnold Welti
Original Assignee
Ascom Zelcom Ag
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 Ascom Zelcom Ag filed Critical Ascom Zelcom Ag
Priority to CH3628/88A priority Critical patent/CH676179A5/de
Priority to CA000611467A priority patent/CA1296772C/en
Priority to AT89117388T priority patent/ATE99850T1/de
Priority to EP89117388A priority patent/EP0361299B1/de
Priority to DE89117388T priority patent/DE58906631D1/de
Priority to US07/414,253 priority patent/US4984247A/en
Publication of CH676179A5 publication Critical patent/CH676179A5/de

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J13/00—Code division multiplex systems
    • H04J13/0007—Code type
    • H04J13/0022—PN, e.g. Kronecker
    • H04J13/0029—Gold
    • 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
    • H04B7/2628—Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile using code-division multiple access [CDMA] or spread spectrum multiple access [SSMA]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J13/00—Code division multiplex systems
    • H04J13/10—Code generation

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Radio Relay Systems (AREA)
CH3628/88A 1988-09-29 1988-09-29 CH676179A5 (US06534493-20030318-C00130.png)

Priority Applications (6)

Application Number Priority Date Filing Date Title
CH3628/88A CH676179A5 (US06534493-20030318-C00130.png) 1988-09-29 1988-09-29
CA000611467A CA1296772C (en) 1988-09-29 1989-09-14 Digital radio transmission system for a cellular network, using the spread spectrum method
AT89117388T ATE99850T1 (de) 1988-09-29 1989-09-20 Digitales funkuebertragungssystem fuer ein aus zellen aufgebautes netz unter verwendung der bandspreiztechnik.
EP89117388A EP0361299B1 (de) 1988-09-29 1989-09-20 Digitales Funkübertragungssystem für ein aus Zellen aufgebautes Netz unter Verwendung der Bandspreiztechnik
DE89117388T DE58906631D1 (de) 1988-09-29 1989-09-20 Digitales Funkübertragungssystem für ein aus Zellen aufgebautes Netz unter Verwendung der Bandspreiztechnik.
US07/414,253 US4984247A (en) 1988-09-29 1989-09-29 Digital radio transmission system for a cellular network, using the spread spectrum method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH3628/88A CH676179A5 (US06534493-20030318-C00130.png) 1988-09-29 1988-09-29

Publications (1)

Publication Number Publication Date
CH676179A5 true CH676179A5 (US06534493-20030318-C00130.png) 1990-12-14

Family

ID=4260064

Family Applications (1)

Application Number Title Priority Date Filing Date
CH3628/88A CH676179A5 (US06534493-20030318-C00130.png) 1988-09-29 1988-09-29

Country Status (6)

Country Link
US (1) US4984247A (US06534493-20030318-C00130.png)
EP (1) EP0361299B1 (US06534493-20030318-C00130.png)
AT (1) ATE99850T1 (US06534493-20030318-C00130.png)
CA (1) CA1296772C (US06534493-20030318-C00130.png)
CH (1) CH676179A5 (US06534493-20030318-C00130.png)
DE (1) DE58906631D1 (US06534493-20030318-C00130.png)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0505771A1 (en) * 1991-03-26 1992-09-30 Hughes Aircraft Company Communication satellite system having an increased power output density per unit of bandwidth
DE4223995A1 (de) * 1992-07-21 1994-02-03 Kolbe & Co Hans Verfahren und Schaltung zur Netzsteuerung in Nachrichtenübertragungssystemen
US5394391A (en) * 1991-04-05 1995-02-28 Nokia Mobile Phones Ltd. Method of controlling the operation of a packet switched CDMA telecommunication network
DE4333396A1 (de) * 1993-09-30 1995-04-06 Siemens Ag Drahtloses Mehrkanal-Informationsübertragungssystem
US5684793A (en) * 1993-06-07 1997-11-04 Nokia Telecommunications Oy Base station receiver equipment
DE4290393C2 (de) * 1991-02-22 1998-05-20 Motorola Inc Verfahren und Vorrichtung zum Verbessern der Signalqualität eines in einem Übertragungskanal eines zellularen Nachrichtenübertragungssystems übertragenen Signals

Families Citing this family (167)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3583013D1 (de) * 1984-12-19 1991-07-04 Mitsubishi Chem Ind Squarilium-verbindungen und fluessigkristallzusammensetzungen, die diese enthalten.
SE460449B (sv) * 1988-02-29 1989-10-09 Ericsson Telefon Ab L M Cellindelat digitalt mobilradiosystem och foerfarande foer att oeverfoera information i ett digitalt cellindelat mobilradiosystem
SE8802229D0 (sv) * 1988-06-14 1988-06-14 Ericsson Telefon Ab L M Forfarande vid mobilradiostation
US20010050943A1 (en) * 1989-08-03 2001-12-13 Mahany Ronald L. Radio frequency communication network having adaptive communication parameters
US5425051A (en) * 1992-11-09 1995-06-13 Norand Corporation Radio frequency communication network having adaptive parameters
US7606575B2 (en) * 1988-08-04 2009-10-20 Broadcom Corporation Remote radio data communication system with data rate switching
US5016255A (en) * 1989-08-07 1991-05-14 Omnipoint Data Company, Incorporated Asymmetric spread spectrum correlator
US5499265A (en) * 1989-08-07 1996-03-12 Omnipoint Data Company, Incorporated Spread spectrum correlator
US5090024A (en) * 1989-08-23 1992-02-18 Intellon Corporation Spread spectrum communications system for networks
CH679718A5 (US06534493-20030318-C00130.png) * 1989-10-19 1992-03-31 Ascom Zelcom Ag
US7206592B1 (en) 1990-02-26 2007-04-17 Broadcom Coporation System for coupling a multiplicity of RF data collection terminals with host computer means
US6431451B1 (en) * 1991-02-25 2002-08-13 Intermec Ip Corp. Hand-held data capture system with interchangeable modules
US6693951B1 (en) * 1990-06-25 2004-02-17 Qualcomm Incorporated System and method for generating signal waveforms in a CDMA cellular telephone system
EP0540664A4 (en) * 1990-07-23 1993-06-09 Omnipoint Corporation Sawc phase-detection method and apparatus
US5168508A (en) * 1990-08-07 1992-12-01 Clarion Co., Ltd. Spread spectrum receiver
AU8959191A (en) * 1990-10-23 1992-05-20 Omnipoint Corporation Method and apparatus for establishing spread spectrum communications
FI86124C (fi) * 1990-11-15 1992-07-10 Telenokia Oy Radiosaendarmottagarsystem.
US5081643A (en) * 1990-11-16 1992-01-14 Scs Mobilecom, Inc. Spread spectrum multipath receiver apparatus and method
US5506864A (en) 1990-12-05 1996-04-09 Interdigital Technology Corporation CDMA communications and geolocation system and method
US7020125B2 (en) * 1990-12-05 2006-03-28 Interdigital Technology Corporation Broadband CDMA overlay system and method
US5513176A (en) * 1990-12-07 1996-04-30 Qualcomm Incorporated Dual distributed antenna system
US5602834A (en) * 1990-12-07 1997-02-11 Qualcomm Incorporated Linear coverage area antenna system for a CDMA communication system
IL100213A (en) * 1990-12-07 1995-03-30 Qualcomm Inc Mikrata Kedma phone system and its antenna distribution system
US5151919A (en) * 1990-12-17 1992-09-29 Ericsson-Ge Mobile Communications Holding Inc. Cdma subtractive demodulation
US5218619A (en) * 1990-12-17 1993-06-08 Ericsson Ge Mobile Communications Holding, Inc. CDMA subtractive demodulation
US5136612A (en) * 1990-12-31 1992-08-04 At&T Bell Laboratories Method and apparatus for reducing effects of multiple access interference in a radio receiver in a code division multiple access communication system
US5128959A (en) * 1991-02-22 1992-07-07 Motorola, Inc. Variable bandwidth CDMA radio system
US5402413A (en) * 1991-04-08 1995-03-28 Omnipoint Corporation Three-cell wireless communication system
US7558557B1 (en) * 1991-11-12 2009-07-07 Broadcom Corporation Low-power messaging in a network supporting roaming terminals
US5815525A (en) * 1991-05-13 1998-09-29 Omnipoint Corporation Multi-band, multi-mode spread-spectrum communication system
US5694414A (en) * 1991-05-13 1997-12-02 Omnipoint Corporation Multi-band, multi-mode spread-spectrum communication system
CA2102914A1 (en) * 1991-05-13 1992-11-26 Robert C. Dixon Dual mode transmitter and receiver
US5790587A (en) * 1991-05-13 1998-08-04 Omnipoint Corporation Multi-band, multi-mode spread-spectrum communication system
US5796772A (en) * 1991-05-13 1998-08-18 Omnipoint Corporation Multi-band, multi-mode spread-spectrum communication system
US5887020A (en) * 1991-05-13 1999-03-23 Omnipoint Corporation Multi-band, multi-mode spread-spectrum communication system
US20070293258A1 (en) * 1991-05-14 2007-12-20 Gollnick Charles D System For Coupling a Multiplicity of RF Data Collection Terminals With Host Computer Means
US5708680A (en) * 1991-05-14 1998-01-13 Norand Corporation Network utilizing a controller and base transceivers to route voice packets
US5164958A (en) * 1991-05-22 1992-11-17 Cylink Corporation Spread spectrum cellular handoff method
US5289497A (en) * 1991-05-23 1994-02-22 Interdigital Technology Corporation Broadcast synchronized communication system
US5285469A (en) * 1991-06-03 1994-02-08 Omnipoint Data Corporation Spread spectrum wireless telephone system
US5177765A (en) * 1991-06-03 1993-01-05 Spectralink Corporation Direct-sequence spread-spectrum digital signal acquisition and tracking system and method therefor
US5195090A (en) * 1991-07-09 1993-03-16 At&T Bell Laboratories Wireless access telephone-to-telephone network interface architecture
US5195091A (en) * 1991-07-09 1993-03-16 At&T Bell Laboratories Adaptive synchronization arrangement
US5184347A (en) * 1991-07-09 1993-02-02 At&T Bell Laboratories Adaptive synchronization arrangement
CA2066538C (en) * 1991-07-09 1997-12-23 Brian David Bolliger Mobile-telephone system call processing arrangement
US5179571A (en) * 1991-07-10 1993-01-12 Scs Mobilecom, Inc. Spread spectrum cellular handoff apparatus and method
US5345467A (en) * 1991-07-10 1994-09-06 Interdigital Technology Corp. CDMA cellular hand-off apparatus and method
US5282134A (en) * 1991-08-19 1994-01-25 Automotive Systems Laboratory, Inc. Slant transform/signal space crash discriminator
US5187675A (en) * 1991-09-18 1993-02-16 Ericsson-Ge Mobile Communications Holding Inc. Maximum search circuit
US5210770A (en) * 1991-09-27 1993-05-11 Lockheed Missiles & Space Company, Inc. Multiple-signal spread-spectrum transceiver
US5195136A (en) * 1991-09-30 1993-03-16 Motorola, Inc. Method and apparatus for data encryption or decryption
AU664864B2 (en) * 1991-10-01 1995-12-07 Broadcom Corporation A radio frequency local area network
US5357559A (en) * 1991-12-12 1994-10-18 Telefonaktiebolaget L M Ericsson Listening control channel in a cellular mobile radiotelephone system
WO1993012597A1 (en) * 1991-12-16 1993-06-24 Omnipoint Corporation Spread-spectrum data publishing system
US6034667A (en) * 1992-01-21 2000-03-07 Radius Inc. Method and apparatus for displaying YUV color information on a pseudo-color RGB display
US5237586A (en) * 1992-03-25 1993-08-17 Ericsson-Ge Mobile Communications Holding, Inc. Rake receiver with selective ray combining
EP0565507A3 (en) * 1992-04-10 1994-11-30 Ericsson Ge Mobile Communicat Power control for random access call set-up in a mobile telephone system
US5345598A (en) * 1992-04-10 1994-09-06 Ericsson-Ge Mobile Communications Holding, Inc. Duplex power control system in a communication network
US5550809A (en) * 1992-04-10 1996-08-27 Ericsson Ge Mobile Communications, Inc. Multiple access coding using bent sequences for mobile radio communications
MX9301888A (es) * 1992-04-10 1993-11-30 Ericsson Telefon Ab L M Acceso multiple de division de tiempo para acceso de un movil en un sistema de acceso multiple de division de codigo.
US5353352A (en) * 1992-04-10 1994-10-04 Ericsson Ge Mobile Communications Inc. Multiple access coding for radio communications
TW214620B (en) * 1992-04-13 1993-10-11 Ericsson Ge Mobile Communicat Calling channel in CDMA communications system
US5295153A (en) * 1992-04-13 1994-03-15 Telefonaktiebolaget L M Ericsson CDMA frequency allocation
DE69325844T2 (de) * 1992-04-17 2000-08-31 Ericsson Inc., Research Triangle Park Mobil unterstütztes Weiterreichen mit Kodemultiplex-Vielfachzugriff
DE4226676A1 (de) * 1992-08-12 1994-02-17 Philips Patentverwaltung Kanalauswahleinrichtung
US5546443A (en) * 1992-10-26 1996-08-13 Ericsson Ge Mobile Communications, Inc. Communication management technique for a radiotelephone system including microcells
CA2148381A1 (en) * 1992-11-02 1994-05-11 Ronald L. Mahany Radio frequency communication network having adaptive communication parameters
US5375140A (en) * 1992-11-24 1994-12-20 Stanford Telecommunications, Inc. Wireless direct sequence spread spectrum digital cellular telephone system
US5590160A (en) * 1992-12-30 1996-12-31 Nokia Mobile Phones Ltd. Symbol and frame synchronization in both a TDMA system and a CDMA
US5355389A (en) * 1993-01-13 1994-10-11 Omnipoint Corporation Reciprocal mode saw correlator method and apparatus
DE59309996D1 (de) * 1993-01-18 2000-05-04 Ascom Tech Ag Bern Verfahren zur Übertragung von Daten in einem zellularen Mobilfunksystem
US5341396A (en) * 1993-03-02 1994-08-23 The Boeing Company Multi-rate spread system
US5329547A (en) * 1993-03-11 1994-07-12 Motorola, Inc. Method and apparatus for coherent communication in a spread-spectrum communication system
US5437055A (en) * 1993-06-03 1995-07-25 Qualcomm Incorporated Antenna system for multipath diversity in an indoor microcellular communication system
CN1042585C (zh) * 1993-08-11 1999-03-17 Ntt移动通信网株式会社 自动增益控制装置、通信系统和自动增益控制方法
US5854808A (en) * 1993-09-14 1998-12-29 Pacific Communication Sciences Methods and apparatus for detecting the presence of a prescribed signal in a channel of a communications system
US5574750A (en) * 1993-09-14 1996-11-12 Pacific Communication Sciences, Inc. Methods and apparatus for detecting a cellular digital packet data (CDPD) carrier
FI110042B (fi) * 1993-10-04 2002-11-15 Nokia Corp Solukkoradiojärjestelmä
US5668837A (en) * 1993-10-14 1997-09-16 Ericsson Inc. Dual-mode radio receiver for receiving narrowband and wideband signals
AU678626B2 (en) * 1993-10-14 1997-06-05 Ericsson Ge Mobile Communications Inc. Adaptive bandwidth receiver
IL111469A0 (en) 1993-11-01 1994-12-29 Omnipoint Corp Despreading/demodulating direct sequence spread spectrum signals
US6094575A (en) * 1993-11-01 2000-07-25 Omnipoint Corporation Communication system and method
US5436941A (en) * 1993-11-01 1995-07-25 Omnipoint Corporation Spread spectrum spectral density techniques
US6088590A (en) * 1993-11-01 2000-07-11 Omnipoint Corporation Method and system for mobile controlled handoff and link maintenance in spread spectrum communication
US6005856A (en) * 1993-11-01 1999-12-21 Omnipoint Corporation Communication protocol for spread spectrum wireless communication system
US5469469A (en) * 1993-12-07 1995-11-21 University Of Massachusetts Lowell Research Foundation Composite spread spectrum signal including modulator demodulator
JP3222001B2 (ja) * 1993-12-14 2001-10-22 ユニデン株式会社 チャンネル切替制御方法およびそれを用いたコードレス電話機
US5530963A (en) * 1993-12-16 1996-06-25 International Business Machines Corporation Method and system for maintaining routing between mobile workstations and selected network workstation using routing table within each router device in the network
US5960344A (en) * 1993-12-20 1999-09-28 Norand Corporation Local area network having multiple channel wireless access
EP0748540A4 (en) * 1994-03-03 1997-10-29 Proxim Inc PROTOCOL FOR MEDIUM ACCESS CONTROL IN THE FREQUENCY JUMP PROCESS
US6292508B1 (en) 1994-03-03 2001-09-18 Proxim, Inc. Method and apparatus for managing power in a frequency hopping medium access control protocol
JP2677191B2 (ja) * 1994-03-15 1997-11-17 日本電気株式会社 Ｃｄｍａ通信方式
EP0998156A3 (en) * 1994-03-17 2000-05-24 Endlink, Inc. Sectorized multi-function cellular radio communication system
US5771449A (en) * 1994-03-17 1998-06-23 Endlink, Inc. Sectorized multi-function communication system
JP3192047B2 (ja) * 1994-06-03 2001-07-23 キヤノン株式会社 スペクトラム拡散受信機
SE503893C2 (sv) * 1994-07-15 1996-09-30 Ericsson Telefon Ab L M Förfarande och anordning för frekvenshoppning i ett radiokommunikationssystem
US5856998A (en) 1994-09-09 1999-01-05 Omnipoint Corporation Method and apparatus for correlating a continuous phase modulated spread spectrum signal
US5648982A (en) 1994-09-09 1997-07-15 Omnipoint Corporation Spread spectrum transmitter
US5963586A (en) 1994-09-09 1999-10-05 Omnipoint Corporation Method and apparatus for parallel noncoherent correlation of a spread spectrum signal
US5754585A (en) 1994-09-09 1998-05-19 Omnipoint Corporation Method and apparatus for serial noncoherent correlation of a spread spectrum signal
US5757847A (en) 1994-09-09 1998-05-26 Omnipoint Corporation Method and apparatus for decoding a phase encoded signal
US5754584A (en) 1994-09-09 1998-05-19 Omnipoint Corporation Non-coherent spread-spectrum continuous-phase modulation communication system
US5832028A (en) 1994-09-09 1998-11-03 Omnipoint Corporation Method and apparatus for coherent serial correlation of a spread spectrum signal
US5629956A (en) * 1994-09-09 1997-05-13 Omnipoint Corporation Method and apparatus for reception and noncoherent serial correlation of a continuous phase modulated signal
US5659574A (en) * 1994-09-09 1997-08-19 Omnipoint Corporation Multi-bit correlation of continuous phase modulated signals
US5953370A (en) 1994-09-09 1999-09-14 Omnipoint Corporation Apparatus for receiving and correlating a spread spectrum signal
US5680414A (en) 1994-09-09 1997-10-21 Omnipoint Corporation Synchronization apparatus and method for spread spectrum receiver
US5610940A (en) 1994-09-09 1997-03-11 Omnipoint Corporation Method and apparatus for noncoherent reception and correlation of a continous phase modulated signal
US5881100A (en) 1994-09-09 1999-03-09 Omnipoint Corporation Method and apparatus for coherent correlation of a spread spectrum signal
US5692007A (en) 1994-09-09 1997-11-25 Omnipoint Corporation Method and apparatus for differential phase encoding and decoding in spread-spectrum communication systems with continuous-phase modulation
US5627856A (en) 1994-09-09 1997-05-06 Omnipoint Corporation Method and apparatus for receiving and despreading a continuous phase-modulated spread spectrum signal using self-synchronizing correlators
US5832035A (en) 1994-09-20 1998-11-03 Time Domain Corporation Fast locking mechanism for channelized ultrawide-band communications
US7321611B2 (en) 1994-09-20 2008-01-22 Alereen, Inc. Method and transceiver for full duplex communication of ultra wideband signals
US5677927A (en) * 1994-09-20 1997-10-14 Pulson Communications Corporation Ultrawide-band communication system and method
US5488631A (en) * 1994-10-31 1996-01-30 Radio Connect Corporation Wireless direct-sequence spread spectrum TDMA communications system
US5742583A (en) * 1994-11-03 1998-04-21 Omnipoint Corporation Antenna diversity techniques
US6035197A (en) 1994-12-29 2000-03-07 Cellco Partnership Method and system for providing a handoff from a CDMA cellular telephone system
US5574747A (en) * 1995-01-04 1996-11-12 Interdigital Technology Corporation Spread spectrum adaptive power control system and method
FI97583C (fi) 1995-02-02 1997-01-10 Nokia Mobile Phones Ltd Tiedonsiirtomenetelmä, lähetin ja vastaanotin
US5784403A (en) * 1995-02-03 1998-07-21 Omnipoint Corporation Spread spectrum correlation using saw device
FI97581C (fi) * 1995-02-10 1997-01-10 Nokia Telecommunications Oy Vastaanotin ja menetelmä hajotuskoodien generoimiseksi vastaanottimessa
US5548253A (en) * 1995-04-17 1996-08-20 Omnipoint Corporation Spectrally efficient quadrature amplitude modulator
US5696766A (en) * 1995-06-02 1997-12-09 Dsc Communications Corporation Apparatus and method of synchronizing a transmitter in a subscriber terminal of a wireless telecommunications system
US5832022A (en) * 1995-06-02 1998-11-03 Omnipoint Corporation Method and apparatus for controlling the modulation index of continuous phase modulated (CPM) signals
US5802046A (en) * 1995-06-05 1998-09-01 Omnipoint Corporation Efficient time division duplex communication system with interleaved format and timing adjustment control
US5745484A (en) * 1995-06-05 1998-04-28 Omnipoint Corporation Efficient communication system using time division multiplexing and timing adjustment control
US5689502A (en) * 1995-06-05 1997-11-18 Omnipoint Corporation Efficient frequency division duplex communication system with interleaved format and timing adjustment control
JPH08331098A (ja) * 1995-06-05 1996-12-13 Sharp Corp Ｐｄｉ受信機
US5959980A (en) 1995-06-05 1999-09-28 Omnipoint Corporation Timing adjustment control for efficient time division duplex communication
US5844894A (en) * 1996-02-29 1998-12-01 Ericsson Inc. Time-reuse partitioning system and methods for cellular radio telephone systems
JPH09261201A (ja) * 1996-03-19 1997-10-03 Hitachi Denshi Ltd スペクトラム拡散伝送方式
US5721757A (en) * 1996-03-20 1998-02-24 Lucent Technologies Inc. Automatic gain control loop
KR0173904B1 (ko) * 1996-04-04 1999-04-01 서정욱 직접 확산 부호 분할 다중 접속 시스템용 레이크수신장치
US6697415B1 (en) * 1996-06-03 2004-02-24 Broadcom Corporation Spread spectrum transceiver module utilizing multiple mode transmission
US5884148A (en) * 1996-07-08 1999-03-16 Omnipoint Corporation Wireless local loop system and method
FI104301B (fi) * 1996-09-13 1999-12-15 Nokia Telecommunications Oy Vastaanottomenetelmä ja vastaanotin
US7539237B2 (en) 1996-12-06 2009-05-26 Alereon, Inc. Fast locking mechanism for channelized ultrawide-band communications
JP3373746B2 (ja) * 1997-01-07 2003-02-04 株式会社鷹山 Ｄｓ−ｃｄｍａ基地局間非同期セルラ方式における初期同期方法および受信機
US6275704B1 (en) 1997-03-03 2001-08-14 Xircom, Inc. Multiple access communication system with polarized antennas
US5946344A (en) * 1997-04-07 1999-08-31 Intermec Ip Corp. Multiple-rate direct sequence architecture utilizing a fixed chipping rate and variable spreading code lengths
US6011786A (en) * 1997-06-06 2000-01-04 Ericsson Inc. Systems and methods for control channel communication in cellular radiotelephone systems
US6208627B1 (en) 1997-12-10 2001-03-27 Xircom, Inc. Signaling and protocol for communication system with wireless trunk
US6097817A (en) * 1997-12-10 2000-08-01 Omnipoint Corporation Encryption and decryption in communication system with wireless trunk
US6580906B2 (en) * 1997-12-10 2003-06-17 Intel Corporation Authentication and security in wireless communication system
US8165028B1 (en) 1997-12-10 2012-04-24 Intel Corporation Monitoring in communication system with wireless trunk
US6526026B1 (en) * 1997-12-10 2003-02-25 Intel Corporation Digit transmission over wireless communication link
KR100293939B1 (ko) 1998-02-17 2001-07-12 윤종용 다중선로로구성된시스템의클록공급장치
FR2779590B1 (fr) * 1998-06-03 2000-07-07 Commissariat Energie Atomique Recepteur pour systeme amrc
US6278699B1 (en) * 1998-06-22 2001-08-21 Telefonaktiebolaget Lm Ericsson (Publ) Synchronization techniques and systems for spread spectrum radiocommunication
EP0967742B1 (de) * 1998-06-25 2007-03-21 Philips Intellectual Property & Standards GmbH Drahtloses Netzwerk
US6847658B1 (en) 1998-12-10 2005-01-25 Qualcomm, Incorporated Demultiplexer for channel interleaving
US6188714B1 (en) * 1998-12-29 2001-02-13 Texas Instruments Incorporated Parallel M-sequence generator circuit
US6925067B2 (en) * 1999-04-23 2005-08-02 Qualcomm, Incorporated Configuration of overhead channels in a mixed bandwidth system
US6947469B2 (en) 1999-05-07 2005-09-20 Intel Corporation Method and Apparatus for wireless spread spectrum communication with preamble processing period
US6665296B1 (en) 1999-12-09 2003-12-16 Social Fabric Corporation Network access communication system
US6324209B1 (en) * 2000-02-28 2001-11-27 Golden Bridge Technology Inc. Multi-channel spread spectrum system
JP3519338B2 (ja) * 2000-03-24 2004-04-12 松下電器産業株式会社 受信装置及び利得制御方法
US6631259B2 (en) * 2000-03-31 2003-10-07 Motorola, Inc. Method for enabling receipt of a packet-switched page by a mobile station
FR2819125B1 (fr) * 2000-12-29 2004-04-02 Commissariat Energie Atomique Dispositif d'echange de donnees numeriques dans un systeme cdma
FR2819126B1 (fr) * 2000-12-29 2003-03-21 Commissariat Energie Atomique Circuit numerique d'emission/reception dans un systeme cdma
KR100398022B1 (ko) 2001-06-20 2003-09-19 주식회사 젤라인 전력선 통신시스템의 적응형 다중 채널 패킷 전송방법
DE10300329A1 (de) * 2002-12-16 2004-07-22 Daimlerchrysler Ag Verfahren zur Synchronisation von Daten- und Codesignalen in DSSS Sende/Empfängern
US7508889B2 (en) * 2005-11-15 2009-03-24 Alcatel-Lucent Usa Inc. Digital apparatus for soft detection of multi-chip DBPSK signals
DE102005058669A1 (de) * 2005-12-08 2007-06-14 Benq Mobile Gmbh & Co. Ohg Verfahren zum Betreiben eines Kommunikationsendgeräts
WO2007099250A2 (fr) * 2006-03-01 2007-09-07 France Telecom Test d'occupation d'une bande de frequences
US10957445B2 (en) 2017-10-05 2021-03-23 Hill-Rom Services, Inc. Caregiver and staff information system
CN111812630B (zh) * 2020-07-23 2022-06-21 桂林电子科技大学 干扰剩余时外辐射源雷达目标检测与doa估计系统及方法

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2603524C3 (de) * 1976-01-30 1979-05-10 Siemens Ag, 1000 Berlin Und 8000 Muenchen System zur zweiseitigen Informationsübertragung
US4222115A (en) * 1978-03-13 1980-09-09 Purdue Research Foundation Spread spectrum apparatus for cellular mobile communication systems
US4189677A (en) * 1978-03-13 1980-02-19 Purdue Research Foundation Demodulator unit for spread spectrum apparatus utilized in a cellular mobile communication system
US4392231A (en) * 1980-06-30 1983-07-05 Bell Telephone Laboratories, Incorporated Spread spectrum FH-MFSK decoder
US4355399A (en) * 1981-02-23 1982-10-19 Bell Telephone Laboratories, Incorporated Adaptive spread spectrum FH-MFSK transmitter and receiver
US4479226A (en) * 1982-03-29 1984-10-23 At&T Bell Laboratories Frequency-hopped single sideband mobile radio system
FR2527871B1 (fr) * 1982-05-27 1986-04-11 Thomson Csf Systeme de radiocommunications, a sauts de frequence

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4290393C2 (de) * 1991-02-22 1998-05-20 Motorola Inc Verfahren und Vorrichtung zum Verbessern der Signalqualität eines in einem Übertragungskanal eines zellularen Nachrichtenübertragungssystems übertragenen Signals
EP0505771A1 (en) * 1991-03-26 1992-09-30 Hughes Aircraft Company Communication satellite system having an increased power output density per unit of bandwidth
US5394391A (en) * 1991-04-05 1995-02-28 Nokia Mobile Phones Ltd. Method of controlling the operation of a packet switched CDMA telecommunication network
DE4223995A1 (de) * 1992-07-21 1994-02-03 Kolbe & Co Hans Verfahren und Schaltung zur Netzsteuerung in Nachrichtenübertragungssystemen
US5684793A (en) * 1993-06-07 1997-11-04 Nokia Telecommunications Oy Base station receiver equipment
DE4333396A1 (de) * 1993-09-30 1995-04-06 Siemens Ag Drahtloses Mehrkanal-Informationsübertragungssystem
DE4333396C2 (de) * 1993-09-30 1998-06-04 Siemens Ag Drahtloses CDMA-Informationsübertragungssystem

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EP0361299A3 (de) 1991-05-29
EP0361299B1 (de) 1994-01-05
EP0361299A2 (de) 1990-04-04
CA1296772C (en) 1992-03-03
DE58906631D1 (de) 1994-02-17
US4984247A (en) 1991-01-08
ATE99850T1 (de) 1994-01-15

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