ATE271293T1 - Verfahren und vorrichtung zur übertragung von digitaldaten mit variabler rate - Google Patents

Verfahren und vorrichtung zur übertragung von digitaldaten mit variabler rate

Info

Publication number
ATE271293T1
ATE271293T1 AT94932090T AT94932090T ATE271293T1 AT E271293 T1 ATE271293 T1 AT E271293T1 AT 94932090 T AT94932090 T AT 94932090T AT 94932090 T AT94932090 T AT 94932090T AT E271293 T1 ATE271293 T1 AT E271293T1
Authority
AT
Austria
Prior art keywords
data
variable rate
symbol
rate
transmitted
Prior art date
Application number
AT94932090T
Other languages
English (en)
Inventor
Ephraim Zehavi
Andrew J Viterbi
Original Assignee
Qualcomm Inc
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 Qualcomm Inc filed Critical Qualcomm Inc
Application granted granted Critical
Publication of ATE271293T1 publication Critical patent/ATE271293T1/de

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00Baseband systems
    • H04L25/02Details ; arrangements for supplying electrical power along data transmission lines
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00Arrangements for detecting or preventing errors in the information received
    • H04L1/08Arrangements for detecting or preventing errors in the information received by repeating transmission, e.g. Verdan system
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03MCODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M13/00Coding, decoding or code conversion, for error detection or error correction; Coding theory basic assumptions; Coding bounds; Error probability evaluation methods; Channel models; Simulation or testing of codes
    • H03M13/27Coding, decoding or code conversion, for error detection or error correction; Coding theory basic assumptions; Coding bounds; Error probability evaluation methods; Channel models; Simulation or testing of codes using interleaving techniques
    • H03M13/2703Coding, decoding or code conversion, for error detection or error correction; Coding theory basic assumptions; Coding bounds; Error probability evaluation methods; Channel models; Simulation or testing of codes using interleaving techniques the interleaver involving at least two directions
    • H03M13/2707Simple row-column interleaver, i.e. pure block interleaving
    • 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
    • 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
    • H04L1/0009Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the channel coding
    • H04L1/0013Rate matching, e.g. puncturing or repetition of code symbols
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00Arrangements for detecting or preventing errors in the information received
    • H04L1/004Arrangements for detecting or preventing errors in the information received by using forward error control
    • H04L1/0041Arrangements at the transmitter end
    • H04L1/0043Realisations of complexity reduction techniques, e.g. use of look-up tables
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00Arrangements for detecting or preventing errors in the information received
    • H04L1/004Arrangements for detecting or preventing errors in the information received by using forward error control
    • H04L1/0045Arrangements at the receiver end
    • H04L1/0052Realisations of complexity reduction techniques, e.g. pipelining or use of look-up tables
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00Arrangements for detecting or preventing errors in the information received
    • H04L1/004Arrangements for detecting or preventing errors in the information received by using forward error control
    • H04L1/0056Systems characterized by the type of code used
    • H04L1/0064Concatenated codes
    • H04L1/0065Serial concatenated codes
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00Arrangements for detecting or preventing errors in the information received
    • H04L1/004Arrangements for detecting or preventing errors in the information received by using forward error control
    • H04L1/0056Systems characterized by the type of code used
    • H04L1/0071Use of interleaving
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/46Colour picture communication systems
    • H04N1/56Processing of colour picture signals

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Quality & Reliability (AREA)
  • Multimedia (AREA)
  • Physics & Mathematics (AREA)
  • Probability & Statistics with Applications (AREA)
  • Theoretical Computer Science (AREA)
  • Power Engineering (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Communication Control (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
  • Detection And Prevention Of Errors In Transmission (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Radar Systems Or Details Thereof (AREA)
AT94932090T 1993-11-01 1994-10-26 Verfahren und vorrichtung zur übertragung von digitaldaten mit variabler rate ATE271293T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US14664393A 1993-11-01 1993-11-01
PCT/US1994/012373 WO1995012943A1 (en) 1993-11-01 1994-10-26 Method and apparatus for the transmission of variable rate digital data

Publications (1)

Publication Number Publication Date
ATE271293T1 true ATE271293T1 (de) 2004-07-15

Family

ID=22518314

Family Applications (1)

Application Number Title Priority Date Filing Date
AT94932090T ATE271293T1 (de) 1993-11-01 1994-10-26 Verfahren und vorrichtung zur übertragung von digitaldaten mit variabler rate

Country Status (19)

Country Link
US (1) US5581575A (de)
EP (1) EP0727120B1 (de)
JP (1) JP3091225B2 (de)
KR (1) KR100323486B1 (de)
CN (1) CN1123179C (de)
AT (1) ATE271293T1 (de)
AU (1) AU702655B2 (de)
BR (1) BR9407918A (de)
CA (1) CA2174343C (de)
DE (1) DE69433899T2 (de)
ES (1) ES2223046T3 (de)
FI (1) FI115360B (de)
HK (1) HK1015214A1 (de)
IL (1) IL111452A (de)
MY (1) MY114135A (de)
RU (1) RU2266623C2 (de)
TW (1) TW277191B (de)
WO (1) WO1995012943A1 (de)
ZA (1) ZA948427B (de)

Families Citing this family (106)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5654978A (en) * 1993-11-01 1997-08-05 Omnipoint Corporation Pulse position modulation with spread spectrum
US5666379A (en) * 1993-11-01 1997-09-09 Omnipoint Corporation Best-of-M pulse position modulation detector
FR2719428A1 (fr) * 1994-04-27 1995-11-03 Trt Telecom Radio Electr Système de transmission formé au moins d'une station de base, d'une station satellite et d'une station nodale et station de base et station satellite convenant à un tel système.
US6141353A (en) * 1994-09-15 2000-10-31 Oki Telecom, Inc. Subsequent frame variable data rate indication method for various variable data rate systems
US5742583A (en) * 1994-11-03 1998-04-21 Omnipoint Corporation Antenna diversity techniques
US5548253A (en) * 1995-04-17 1996-08-20 Omnipoint Corporation Spectrally efficient quadrature amplitude modulator
ZA965340B (en) 1995-06-30 1997-01-27 Interdigital Tech Corp Code division multiple access (cdma) communication system
FI100157B (fi) * 1995-07-12 1997-09-30 Nokia Mobile Phones Ltd Muuttuvanopeuksiset piirikytketyt siirtopalvelut TDMA-pohjaisissa solu kkojärjestelmissä
US5844947A (en) * 1995-12-28 1998-12-01 Lucent Technologies Inc. Viterbi decoder with reduced metric computation
US5745480A (en) * 1996-04-03 1998-04-28 Adicom Wireless, Inc. Multi-rate wireless communications system
US6678311B2 (en) 1996-05-28 2004-01-13 Qualcomm Incorporated High data CDMA wireless communication system using variable sized channel codes
US5920552A (en) * 1996-05-30 1999-07-06 Lucent Technologies, Inc. Variable rate coding for wireless applications
US5909434A (en) * 1996-05-31 1999-06-01 Qualcomm Incorporated Bright and burst mode signaling data transmission in an adjustable rate wireless communication system
KR100548675B1 (ko) * 1996-05-31 2006-03-23 콸콤 인코포레이티드 조정가능한속도의무선통신시스템에서의신호데이터의전송
US5784366A (en) * 1996-08-27 1998-07-21 Transsky Corp. Wideband code-division-multiple access system and method
US5805567A (en) * 1996-09-13 1998-09-08 Lucent Technologies Inc. Orthogonal modulation scheme
US5956345A (en) * 1996-09-13 1999-09-21 Lucent Technologies Inc. IS-95 compatible wideband communication scheme
US5923651A (en) * 1996-12-23 1999-07-13 Alcatel Usa Sourcing, L.P. Increasing data throughput in a wireless telecommunications environment
US6272120B1 (en) * 1997-01-28 2001-08-07 Cisco Technology, Inc. Multi-radio bridge
US6005898A (en) 1997-03-12 1999-12-21 Interdigital Technology Corporation Multichannel viterbi decoder
US20060262832A1 (en) * 1997-03-12 2006-11-23 Interdigital Technology Corporation Convolutionally encoding and decoding multiple data streams
US6404828B2 (en) * 1997-03-12 2002-06-11 Interdigital Technology Corporation Multichannel decoder
US6061386A (en) * 1997-03-19 2000-05-09 I.C. Com Ltd. Method of chip interleaving in direct sequence spread spectrum communications
US6301288B1 (en) * 1997-03-19 2001-10-09 Infineon Technologies Ag Method of chip interleaving in direct sequence spread spectrum communications
US6282228B1 (en) 1997-03-20 2001-08-28 Xircom, Inc. Spread spectrum codes for use in communication
US6163808A (en) * 1997-03-20 2000-12-19 Nokia Telecommunications, Oy Network adjusts cell transfer capacity in response to a change in the actual bit rate relative to the nominal bit rate
CN1510943A (zh) 1997-04-17 2004-07-07 NTT�ƶ�ͨ������ʽ���� 移动通信系统中的基站装置
DE69838133T4 (de) * 1997-05-14 2008-04-17 Qualcomm, Inc., San Diego Teilnehmergerät mit mehreren steuer- und informationsdaten für cdma drahtloses kommunikationssystem
US6081536A (en) 1997-06-20 2000-06-27 Tantivy Communications, Inc. Dynamic bandwidth allocation to transmit a wireless protocol across a code division multiple access (CDMA) radio link
US6542481B2 (en) 1998-06-01 2003-04-01 Tantivy Communications, Inc. Dynamic bandwidth allocation for multiple access communication using session queues
US6359874B1 (en) * 1998-05-21 2002-03-19 Ericsson Inc. Partially block-interleaved CDMA coding and decoding
US6031865A (en) * 1997-08-04 2000-02-29 Motorola, Inc. Rapidly decorrelating spreading sequences for DS-CDMA transceivers
JP3862111B2 (ja) * 1997-08-05 2006-12-27 ソニー株式会社 受信装置及び無線通信システム並びに通信方法
US6145108A (en) * 1997-09-04 2000-11-07 Conexant Systems, Inc. Retransmission packet capture system within a wireless multiservice communications environment
FI104673B (fi) 1997-10-24 2000-04-14 Nokia Mobile Phones Ltd Menetelmä signaalin datanopeuden muuntamiseksi ja lähetin
US8175120B2 (en) 2000-02-07 2012-05-08 Ipr Licensing, Inc. Minimal maintenance link to support synchronization
US7496072B2 (en) 1997-12-17 2009-02-24 Interdigital Technology Corporation System and method for controlling signal strength over a reverse link of a CDMA wireless communication system
US7394791B2 (en) 1997-12-17 2008-07-01 Interdigital Technology Corporation Multi-detection of heartbeat to reduce error probability
US9525923B2 (en) 1997-12-17 2016-12-20 Intel Corporation Multi-detection of heartbeat to reduce error probability
US6222832B1 (en) 1998-06-01 2001-04-24 Tantivy Communications, Inc. Fast Acquisition of traffic channels for a highly variable data rate reverse link of a CDMA wireless communication system
US7936728B2 (en) 1997-12-17 2011-05-03 Tantivy Communications, Inc. System and method for maintaining timing of synchronization messages over a reverse link of a CDMA wireless communication system
US6310870B1 (en) * 1998-03-30 2001-10-30 Oki Telecom, Inc. Method for transmitting high data rate information in code division multiple access systems
US7773566B2 (en) 1998-06-01 2010-08-10 Tantivy Communications, Inc. System and method for maintaining timing of synchronization messages over a reverse link of a CDMA wireless communication system
US8134980B2 (en) 1998-06-01 2012-03-13 Ipr Licensing, Inc. Transmittal of heartbeat signal at a lower level than heartbeat request
US7221664B2 (en) 1998-06-01 2007-05-22 Interdigital Technology Corporation Transmittal of heartbeat signal at a lower level than heartbeat request
US6549514B1 (en) 1998-07-07 2003-04-15 Nokia Corporation Method and apparatus for shaping traffice for a SIMA network
US5978365A (en) * 1998-07-07 1999-11-02 Orbital Sciences Corporation Communications system handoff operation combining turbo coding and soft handoff techniques
GB9814960D0 (en) * 1998-07-10 1998-09-09 Koninkl Philips Electronics Nv Coding device and communication system using the same
US6487236B1 (en) * 1998-09-30 2002-11-26 Fujitsu Limited Method and apparatus for achieving demodulation in radio communications system using M-sequence orthogonal modulation
US7403781B2 (en) * 1998-10-06 2008-07-22 Siemens Aktiengesellschaft Method and apparatus for adapting data rates for services over a connection between a base station and a subscriber station
US6275523B1 (en) * 1998-11-03 2001-08-14 Textronic, Inc. In-service measurement of transmitter nonlinearities
JP3464981B2 (ja) * 1998-12-03 2003-11-10 フラウンホーファー−ゲゼルシャフト・ツール・フェルデルング・デル・アンゲヴァンテン・フォルシュング・アインゲトラーゲネル・フェライン 情報送信装置及びその方法並びに情報受信装置及びその方法
JP2000216700A (ja) * 1999-01-20 2000-08-04 Nec Corp Cdma受信装置およびcdma受信方法、並びに記録媒体
US6317435B1 (en) * 1999-03-08 2001-11-13 Qualcomm Incorporated Method and apparatus for maximizing the use of available capacity in a communication system
AU2004201093B2 (en) * 1999-03-08 2006-09-28 Qualcomm Incorporated Method and apparatus for maximizing the use of available capacity in a communication system
US6400755B1 (en) * 1999-04-23 2002-06-04 Motorola, Inc. Data transmission within a spread-spectrum communication system
DE69938546T2 (de) 1999-07-12 2009-08-20 Lucent Technologies Inc. Universales Mobiltelefonsystem Netzwerk (UMTS) mit verbessertem Verfahren für Ratenanpassung
DE19953894B4 (de) * 1999-11-10 2018-05-09 Ipcom Gmbh & Co. Kg Datenübertragungsverfahren und -vorrichtung
WO2001039420A1 (de) * 1999-11-25 2001-05-31 Siemens Aktiengesellschaft Verfahren zur anpassung der bitrate in einer kommunikationsvorrichtung und entsprechende kommunikationsvorrichtung
TW513874B (en) * 2000-03-21 2002-12-11 Texas Instr Santa Rosa Inc Coding and spreading technique for communications systems
US7178089B1 (en) 2000-08-23 2007-02-13 Telefonaktiebolaget Lm Ericsson (Publ) Two stage date packet processing scheme
US8155096B1 (en) 2000-12-01 2012-04-10 Ipr Licensing Inc. Antenna control system and method
US7551663B1 (en) 2001-02-01 2009-06-23 Ipr Licensing, Inc. Use of correlation combination to achieve channel detection
US6954448B2 (en) 2001-02-01 2005-10-11 Ipr Licensing, Inc. Alternate channel for carrying selected message types
US7203221B2 (en) 2001-03-14 2007-04-10 Mercury Computer Systems, Inc. Load balancing computational methods in a short-code spread-spectrum communications system
US7376175B2 (en) 2001-03-14 2008-05-20 Mercury Computer Systems, Inc. Wireless communications systems and methods for cache enabled multiple processor based multiple user detection
SG185139A1 (en) 2001-06-13 2012-11-29 Ipr Licensing Inc Transmittal of heartbeat signal at a lower level than heartbeat request
CA2465381A1 (en) * 2001-11-05 2003-05-15 Nokia Corporation Partially filling block interleaver for a communication system
US7191384B2 (en) * 2002-10-17 2007-03-13 Qualcomm Incorporated Method and apparatus for transmitting and receiving a block of data in a communication system
US7023880B2 (en) 2002-10-28 2006-04-04 Qualcomm Incorporated Re-formatting variable-rate vocoder frames for inter-system transmissions
DE10254580A1 (de) * 2002-11-22 2004-06-03 Robert Bosch Gmbh Verfahren und Vorrichtung zur Übertragung von Daten in Nachrichten auf einem Bussystem
US8391249B2 (en) 2003-02-18 2013-03-05 Qualcomm Incorporated Code division multiplexing commands on a code division multiplexed channel
US8150407B2 (en) 2003-02-18 2012-04-03 Qualcomm Incorporated System and method for scheduling transmissions in a wireless communication system
US7155236B2 (en) 2003-02-18 2006-12-26 Qualcomm Incorporated Scheduled and autonomous transmission and acknowledgement
US20040160922A1 (en) 2003-02-18 2004-08-19 Sanjiv Nanda Method and apparatus for controlling data rate of a reverse link in a communication system
US8023950B2 (en) 2003-02-18 2011-09-20 Qualcomm Incorporated Systems and methods for using selectable frame durations in a wireless communication system
US7660282B2 (en) 2003-02-18 2010-02-09 Qualcomm Incorporated Congestion control in a wireless data network
US8081598B2 (en) 2003-02-18 2011-12-20 Qualcomm Incorporated Outer-loop power control for wireless communication systems
US7215930B2 (en) 2003-03-06 2007-05-08 Qualcomm, Incorporated Method and apparatus for providing uplink signal-to-noise ratio (SNR) estimation in a wireless communication
US8705588B2 (en) 2003-03-06 2014-04-22 Qualcomm Incorporated Systems and methods for using code space in spread-spectrum communications
US7359450B1 (en) 2003-04-04 2008-04-15 Nucomm, Inc. Digital transmission of broadcast signals, including HDTV signals, over a microwave link
US8477592B2 (en) 2003-05-14 2013-07-02 Qualcomm Incorporated Interference and noise estimation in an OFDM system
US8489949B2 (en) 2003-08-05 2013-07-16 Qualcomm Incorporated Combining grant, acknowledgement, and rate control commands
US20060209970A1 (en) * 2005-01-11 2006-09-21 Emmanuel Kanterakis Adaptive transmission rate communication system
US8085819B2 (en) * 2006-04-24 2011-12-27 Qualcomm Incorporated Superposition coding in a wireless communication system
US8352843B2 (en) 2007-03-16 2013-01-08 Qualcomm Incorporated Method and apparatus for coding a communication signal
US9313067B2 (en) * 2007-08-14 2016-04-12 Qualcomm Incorporated Multi-bandwidth communication system using a shared baseband processor
EP2235939A4 (de) 2007-12-12 2011-04-20 Lg Electronics Inc Vorrichtung zum senden und empfangen eines signals und verfahren zum senden und empfangen eines signals
WO2009075540A2 (en) 2007-12-12 2009-06-18 Lg Electronics Inc. Apparatus for transmitting and receiving a signal and method of transmitting and receiving a signal
WO2009075538A2 (en) 2007-12-12 2009-06-18 Lg Electronics Inc. Apparatus for transmitting and receiving a signal and method of transmitting and receiving a signal
EP2073419B1 (de) 2007-12-20 2011-10-26 Panasonic Corporation Steuerkanalsignalisierung über ein herkömmliches Signalisierungsfeld für Transportformat und Redundanzversion
US20090268678A1 (en) * 2008-04-24 2009-10-29 Fujitsu Limited Method and apparatus for automatic gain control in a mobile orthogonal frequency division multiple access (ofdma) network
US8599861B2 (en) * 2010-06-03 2013-12-03 Kathrein-Werke Kg Active antenna array and method for relaying radio signals
RU2573586C2 (ru) * 2013-12-10 2016-01-20 Российская Федерация, От Имени Которой Выступает Министерство Промышленности И Торговли Российской Федерации Система передачи данных по многолучевому каналу связи
RU2559734C1 (ru) * 2014-06-17 2015-08-10 Открытое акционерное общество "Российский институт мощного радиостроения" Способ определения параметров модели замирания радиоканала по закону райса по информационному многочастотному сигналу
RU2579984C1 (ru) * 2014-11-26 2016-04-10 Открытое Акционерное Общество "Концерн "Морское Подводное Оружие - Гидроприбор" Способ демодуляции фазоманипулированных сигналов
RU2631464C1 (ru) * 2016-07-22 2017-09-22 федеральное государственное казенное военное образовательное учреждение высшего образования "Военная академия связи имени Маршала Советского Союза С.М. Буденного" Министерства обороны Российской Федерации Широкополосное приемопередающее устройство с программной перестройкой рабочей частоты
US10225020B2 (en) 2016-10-07 2019-03-05 Raytheon Company Systems and methods for demodulation of PSK modulated optical signals
US10305602B2 (en) 2016-11-18 2019-05-28 Raytheon Company Demodulation of QAM modulated optical beam using Fabry-Perot etalons and microring demodulators
US10243673B2 (en) 2016-11-18 2019-03-26 Raytheon Company Frequency demodulation systems and methods for optical signals
US10164765B2 (en) * 2017-02-10 2018-12-25 Raytheon Company Receivers and method for detecting a non-persistent communication superimposed on an overt communication channel
KR20180092744A (ko) 2017-02-10 2018-08-20 삼성전자주식회사 무선 통신 시스템에서 수신 신호를 컴바이닝하는 방법 및 장치
RU2646602C1 (ru) * 2017-07-13 2018-03-06 федеральное государственное казенное военное образовательное учреждение высшего образования "Военная академия связи имени Маршала Советского Союза С.М. Буденного" Министерства обороны Российской Федерации Широкополосное приемопередающее устройство с программной перестройкой фазы сигнала
EP3776918B1 (de) * 2018-04-12 2023-08-23 Raytheon Company Phasenänderungsdetektion bei optischen signalen
US11201677B1 (en) 2020-06-08 2021-12-14 Raytheon Company Hard-to-intercept multiple coherent transmitter communications
US11303360B2 (en) 2020-06-22 2022-04-12 Raytheon Company Methods and apparatus supporting non-persistent communications

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5691548A (en) * 1979-12-25 1981-07-24 Nec Corp Link speed matching system
DE3426568C2 (de) * 1984-07-19 1995-05-11 Deutsche Aerospace Verfahren zur Übertragung von Daten in einem digitalen Funktelegraphiesystem
US4607375A (en) * 1984-10-17 1986-08-19 Itt Corporation Covert communication system
US4937844A (en) * 1988-11-03 1990-06-26 Racal Data Communications Inc. Modem with data compression selected constellation
FR2664113B1 (fr) * 1990-06-28 1993-06-04 Alcatel Transmission Procede de transmission numerique a etalement de spectre par sequence directe a changement de sequences en cours de transmission, et emetteur et recepteur le mettant en óoeuvre.
US5204876A (en) * 1991-03-13 1993-04-20 Motorola, Inc. Method and apparatus for providing high data rate traffic channels in a spread spectrum communication system
US5325088A (en) * 1991-12-02 1994-06-28 Motorola, Inc. Synchronous selective signalling system
JPH05219016A (ja) * 1991-12-09 1993-08-27 Matsushita Electric Ind Co Ltd 送受信回路
US5341396A (en) * 1993-03-02 1994-08-23 The Boeing Company Multi-rate spread system

Also Published As

Publication number Publication date
CA2174343A1 (en) 1995-05-11
AU8094394A (en) 1995-05-23
KR100323486B1 (ko) 2002-06-24
AU702655B2 (en) 1999-02-25
ZA948427B (en) 1995-06-30
IL111452A (en) 1998-12-06
JPH09507119A (ja) 1997-07-15
RU2266623C2 (ru) 2005-12-20
FI961825A0 (fi) 1996-04-29
BR9407918A (pt) 1996-11-26
EP0727120B1 (de) 2004-07-14
CN1123179C (zh) 2003-10-01
US5581575A (en) 1996-12-03
IL111452A0 (en) 1994-12-29
MY114135A (en) 2002-08-30
DE69433899T2 (de) 2005-08-04
TW277191B (de) 1996-06-01
FI961825A (fi) 1996-06-28
CA2174343C (en) 2003-10-14
HK1015214A1 (en) 1999-10-08
FI115360B (fi) 2005-04-15
EP0727120A1 (de) 1996-08-21
WO1995012943A1 (en) 1995-05-11
DE69433899D1 (de) 2004-08-19
KR960706247A (ko) 1996-11-08
JP3091225B2 (ja) 2000-09-25
CN1133661A (zh) 1996-10-16
ES2223046T3 (es) 2005-02-16

Similar Documents

Publication Publication Date Title
ATE271293T1 (de) Verfahren und vorrichtung zur übertragung von digitaldaten mit variabler rate
MY125586A (en) Method and apparatus for coherent communication in a spread-spectrum communication system
ATE218020T1 (de) System und verfahren zur erzeugung von signalwellenformen in einem cdma zellular- fernsprechsystem
DE69533665D1 (de) Verfahren und einrichtung zur sendeleistungsregelung eines übertragungssystems mit veränderlicher datenrate
ATE393527T1 (de) Vorrichtung und verfahren zur verringerung des verhältnisses von spitzen zur durchschnittsleistung in mehrträgerkommunikationssystemen
DE69841911D1 (de) Verfahren und Vorrichtung zur ternären Leistungsregelung in einem Kommunikationssystem
HK1064817A1 (en) Qam with qantised power
CA2162417A1 (en) Data Rate Detector for Terminal Station Receiver
WO1998034368A3 (en) Method and device in a communication system
IL142379A0 (en) Modem relay over packet based network
DE69126702D1 (de) System zur vermeidung der erzeugung unerwünschter symbole durch einem verwürfler
ES8101827A1 (es) Conexion para la transmision de una serie binaria para transferir datos
WO2005060140A3 (en) Module to module signaling with jitter modulation
DE59814079D1 (de) Verfahren und schaltungsanordnung zur übertragung ausgewählten signalpunkten einer signalkonstellation
DE3787994T2 (de) Kommunikationssystem, Empfänger und Sender und Methode zur Datenrückgewinnung.
JPS6455932A (en) Method of communicating staffing instruction in multlevel communication system
GB8916097D0 (en) Communications systems
DE69826824D1 (de) Verfahren zur Sicherung einer Übertragung zwischen zwei Funkübertragungseinrichtungen
JPS5526714A (en) Digital transmission system
JPS57157665A (en) Code converting circuit
JPS5595445A (en) Externally-synchronous scrambler/descrambler system
JPS5799067A (en) Data communication method
JPS57173248A (en) Simplex communication device

Legal Events

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