BR9607031A - Sistema de comunicação processos para filtração polifásica em um sistema de comunicação para monitoração de pelo menos um canal de comunicação de telefonica de anel distribuído para um sistema de comunicação e para estabelecimento de comunicaçâo entre uma extremidade de fornecimento e uma pluralidade de unidades remotas em um sistema de comunicação e aparelhos receptor e para monitoração de pelo menos em canal de comunicação de telefonia - Google Patents

Sistema de comunicação processos para filtração polifásica em um sistema de comunicação para monitoração de pelo menos um canal de comunicação de telefonica de anel distribuído para um sistema de comunicação e para estabelecimento de comunicaçâo entre uma extremidade de fornecimento e uma pluralidade de unidades remotas em um sistema de comunicação e aparelhos receptor e para monitoração de pelo menos em canal de comunicação de telefonia

Info

Publication number
BR9607031A
BR9607031A BR9607031A BR9607031A BR9607031A BR 9607031 A BR9607031 A BR 9607031A BR 9607031 A BR9607031 A BR 9607031A BR 9607031 A BR9607031 A BR 9607031A BR 9607031 A BR9607031 A BR 9607031A
Authority
BR
Brazil
Prior art keywords
communication
monitoring
communication system
devices
communication channel
Prior art date
Application number
BR9607031A
Other languages
English (en)
Inventor
Mark J Dapper
Michael J Geile
Terrance J Hill
Harold A Roberts
Brian D Anderson
Jeffrey Brede
Mark S Wadman
Robert J Kirscht
James J Herrmann
Michael J Fort
Steven P Buska
Original Assignee
Adc Telecommunications 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 Adc Telecommunications Inc filed Critical Adc Telecommunications Inc
Publication of BR9607031A publication Critical patent/BR9607031A/pt

Links

Classifications

    • 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
    • H04L1/004—Arrangements for detecting or preventing errors in the information received by using forward error control
    • H04L1/0056—Systems characterized by the type of code used
    • H04L1/0057—Block codes
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
    • H04B10/25—Arrangements specific to fibre transmission
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
    • H04B10/27—Arrangements for networking
    • H04B10/272—Star-type networks or tree-type networks
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J14/00—Optical multiplex systems
    • H04J14/02—Wavelength-division multiplex systems
    • H04J14/0298—Wavelength-division multiplex systems with sub-carrier multiplexing [SCM]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J3/00—Time-division multiplex systems
    • H04J3/02—Details
    • H04J3/14—Monitoring arrangements
    • 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
    • H04L1/004—Arrangements for detecting or preventing errors in the information received by using forward error control
    • H04L1/0056—Systems characterized by the type of code used
    • H04L1/0061—Error detection codes
    • 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
    • H04L1/20—Arrangements for detecting or preventing errors in the information received using signal quality detector
    • H04L1/203—Details of error rate determination, e.g. BER, FER or WER
    • 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
    • H04L1/24—Testing correct operation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
    • H04L25/03828—Arrangements for spectral shaping; Arrangements for providing signals with specified spectral properties
    • H04L25/03866—Arrangements for spectral shaping; Arrangements for providing signals with specified spectral properties using scrambling
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H04L27/2601—Multicarrier modulation systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H04L27/2601—Multicarrier modulation systems
    • H04L27/2614—Peak power aspects
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H04L27/2601—Multicarrier modulation systems
    • H04L27/2626—Arrangements specific to the transmitter only
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H04L27/2601—Multicarrier modulation systems
    • H04L27/2647—Arrangements specific to the receiver only
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H04L27/2601—Multicarrier modulation systems
    • H04L27/2647—Arrangements specific to the receiver only
    • H04L27/2649—Demodulators
    • H04L27/265—Fourier transform demodulators, e.g. fast Fourier transform [FFT] or discrete Fourier transform [DFT] demodulators
    • H04L27/2652—Fourier transform demodulators, e.g. fast Fourier transform [FFT] or discrete Fourier transform [DFT] demodulators with polyphase implementation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H04L27/2601—Multicarrier modulation systems
    • H04L27/2647—Arrangements specific to the receiver only
    • H04L27/2655—Synchronisation arrangements
    • H04L27/2657—Carrier synchronisation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H04L27/2601—Multicarrier modulation systems
    • H04L27/2647—Arrangements specific to the receiver only
    • H04L27/2655—Synchronisation arrangements
    • H04L27/2662—Symbol synchronisation
    • H04L27/2665—Fine synchronisation, e.g. by positioning the FFT window
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/02—Channels characterised by the type of signal
    • H04L5/023—Multiplexing of multicarrier modulation signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/02—Channels characterised by the type of signal
    • H04L5/06—Channels characterised by the type of signal the signals being represented by different frequencies
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/60—Network structure or processes for video distribution between server and client or between remote clients; Control signalling between clients, server and network components; Transmission of management data between server and client, e.g. sending from server to client commands for recording incoming content stream; Communication details between server and client 
    • H04N21/61—Network physical structure; Signal processing
    • H04N21/6106—Network physical structure; Signal processing specially adapted to the downstream path of the transmission network
    • H04N21/6118—Network physical structure; Signal processing specially adapted to the downstream path of the transmission network involving cable transmission, e.g. using a cable modem
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/60—Network structure or processes for video distribution between server and client or between remote clients; Control signalling between clients, server and network components; Transmission of management data between server and client, e.g. sending from server to client commands for recording incoming content stream; Communication details between server and client 
    • H04N21/61—Network physical structure; Signal processing
    • H04N21/6156—Network physical structure; Signal processing specially adapted to the upstream path of the transmission network
    • H04N21/6168—Network physical structure; Signal processing specially adapted to the upstream path of the transmission network involving cable transmission, e.g. using a cable modem
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/16—Analogue secrecy systems; Analogue subscription systems
    • H04N7/173—Analogue secrecy systems; Analogue subscription systems with two-way working, e.g. subscriber sending a programme selection signal
    • H04N7/17309—Transmission or handling of upstream communications
    • 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
    • H04L2001/0092—Error control systems characterised by the topology of the transmission link
    • H04L2001/0096—Channel splitting in point-to-point links
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/0014—Carrier regulation
    • H04L2027/0024—Carrier regulation at the receiver end
    • H04L2027/0026—Correction of carrier offset
    • H04L2027/0036—Correction of carrier offset using a recovered symbol clock
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/0014—Carrier regulation
    • H04L2027/0044—Control loops for carrier regulation
    • H04L2027/0053—Closed loops
    • H04L2027/0057—Closed loops quadrature phase
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/0014—Carrier regulation
    • H04L2027/0044—Control loops for carrier regulation
    • H04L2027/0063—Elements of loops
    • H04L2027/0067—Phase error detectors

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • Multimedia (AREA)
  • Electromagnetism (AREA)
  • Discrete Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Computing Systems (AREA)
  • General Physics & Mathematics (AREA)
  • Quality & Reliability (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Power Engineering (AREA)
  • Telephonic Communication Services (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
  • Small-Scale Networks (AREA)
  • Optical Communication System (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Locating Faults (AREA)
  • Radio Relay Systems (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)
BR9607031A 1995-02-06 1996-02-06 Sistema de comunicação processos para filtração polifásica em um sistema de comunicação para monitoração de pelo menos um canal de comunicação de telefonica de anel distribuído para um sistema de comunicação e para estabelecimento de comunicaçâo entre uma extremidade de fornecimento e uma pluralidade de unidades remotas em um sistema de comunicação e aparelhos receptor e para monitoração de pelo menos em canal de comunicação de telefonia BR9607031A (pt)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US38465995A 1995-02-06 1995-02-06
US45731795A 1995-06-01 1995-06-01
PCT/US1996/001575 WO1996024989A2 (en) 1995-02-06 1996-02-06 Multi-point to point communication system

Publications (1)

Publication Number Publication Date
BR9607031A true BR9607031A (pt) 1997-11-04

Family

ID=27010697

Family Applications (1)

Application Number Title Priority Date Filing Date
BR9607031A BR9607031A (pt) 1995-02-06 1996-02-06 Sistema de comunicação processos para filtração polifásica em um sistema de comunicação para monitoração de pelo menos um canal de comunicação de telefonica de anel distribuído para um sistema de comunicação e para estabelecimento de comunicaçâo entre uma extremidade de fornecimento e uma pluralidade de unidades remotas em um sistema de comunicação e aparelhos receptor e para monitoração de pelo menos em canal de comunicação de telefonia

Country Status (13)

Country Link
EP (2) EP1229683A3 (pt)
JP (2) JP2986921B2 (pt)
KR (1) KR100254067B1 (pt)
CN (1) CN1086877C (pt)
AU (1) AU703284B2 (pt)
BR (1) BR9607031A (pt)
CA (1) CA2211117C (pt)
CZ (1) CZ289894B6 (pt)
FI (15) FI120711B (pt)
MX (1) MX9705953A (pt)
NZ (1) NZ302973A (pt)
TW (1) TW321809B (pt)
WO (1) WO1996024989A2 (pt)

Families Citing this family (40)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6334219B1 (en) * 1994-09-26 2001-12-25 Adc Telecommunications Inc. Channel selection for a hybrid fiber coax network
US7280564B1 (en) 1995-02-06 2007-10-09 Adc Telecommunications, Inc. Synchronization techniques in multipoint-to-point communication using orthgonal frequency division multiplexing
USRE42236E1 (en) 1995-02-06 2011-03-22 Adc Telecommunications, Inc. Multiuse subcarriers in multipoint-to-point communication using orthogonal frequency division multiplexing
KR20000052956A (ko) * 1996-10-31 2000-08-25 데니스 피셸 직교 주파수 분할 멀티플렉싱을 사용한 디지털 수신기의 단일칩 ｖｌｓｉ 실행
US6359938B1 (en) 1996-10-31 2002-03-19 Discovision Associates Single chip VLSI implementation of a digital receiver employing orthogonal frequency division multiplexing
TW465234B (en) 1997-02-18 2001-11-21 Discovision Ass Single chip VLSI implementation of a digital receiver employing orthogonal frequency division multiplexing
US6314102B1 (en) 1997-07-10 2001-11-06 Alcatel Telecommunications system for providing both narrowband and broadband services to subscribers
NL1007849C2 (nl) * 1997-12-19 1999-06-24 Tratec Telecom B V Communicatiesysteem voor CATV met geïntegreerd datakanaal.
EP0930744A1 (en) * 1998-01-02 1999-07-21 NewTec CY N.V. Multiple access method using multicarrier transmission
IT1299560B1 (it) * 1998-07-13 2000-03-16 Pinnacle Ventures Ltd Sistema ottimizzato di distribuzione di servizi televisivi e di telecomunicazioni da un nodo periferico a termimali di utente
JP2000201132A (ja) 1998-11-06 2000-07-18 Matsushita Electric Ind Co Ltd 送受信装置
US7016308B1 (en) 1999-03-19 2006-03-21 Broadband Royalty Corporation Digital return path for hybrid fiber/coax network
US6513163B1 (en) * 1999-05-20 2003-01-28 Transcept, Inc. Embedded forward reference and control
DE60034281T2 (de) * 1999-08-06 2007-12-20 Lucent Technologies Inc. Optisches Übertragungssystem zum optischen Kombinieren von Basisband- und Übertragungsbandsignalen
JP2001111518A (ja) * 1999-10-04 2001-04-20 Mitsubishi Electric Corp 通信方法および通信装置
US6967966B1 (en) 1999-11-03 2005-11-22 Adc Telecommunications, Inc. Digital return path for hybrid fiber/coax network
US7031335B1 (en) * 1999-11-03 2006-04-18 Adc Telecommunications, Inc. Digital node for hybrid fiber/coax network
JP2001156873A (ja) * 1999-11-22 2001-06-08 Mitsubishi Electric Corp 通信方法および通信装置
IL135794A (en) 2000-04-23 2004-07-25 Coppergate Comm Ltd Method and apparatus for transmission of voice and data over subscriber line
US20020101630A1 (en) * 2001-02-01 2002-08-01 Adc Telecommunications, Inc. Monitor, control and configuration of fiber node via cable modem
US7480234B1 (en) * 2003-10-31 2009-01-20 Cisco Technology, Inc. Initial timing estimation in a wireless network receiver
US8705567B2 (en) 2004-12-10 2014-04-22 Broadcom Corporation Upstream channel bonding using legacy maps in a cable communications system
CN100593332C (zh) 2004-12-10 2010-03-03 美国博通公司 有线电视通信系统中的上行信道绑定
US8165167B2 (en) 2005-03-10 2012-04-24 Qualcomm Incorporated Time tracking for a communication system
US8675631B2 (en) 2005-03-10 2014-03-18 Qualcomm Incorporated Method and system for achieving faster device operation by logical separation of control information
FR2890808A1 (fr) * 2005-09-13 2007-03-16 France Telecom Caracterisation de spectre pour equipements de communication
WO2009036058A1 (en) * 2007-09-10 2009-03-19 Rappaport Theodore R Clearinghouse system for determining available network equipment
KR100945827B1 (ko) * 2008-04-08 2010-03-05 주식회사 휴커넥스 전화선을 이용한 포인트-투-멀티포인트 네트워크 시스템
JP5243852B2 (ja) * 2008-06-23 2013-07-24 パナソニック株式会社 マルチキャリア通信装置
US8121023B2 (en) * 2009-09-21 2012-02-21 Intel Corporation Coaxial network communication node and methods for communicating multimedia over a coaxial network with reduced-length cyclic prefixes
FR2968149B1 (fr) 2010-11-30 2013-03-15 Thales Sa Procede et systeme de communications adaptatives en bande hf
GB201113130D0 (en) * 2011-07-29 2011-09-14 Bae Systems Plc Radio frequency communication
CN102647784B (zh) * 2012-04-20 2014-10-15 北京创毅讯联科技股份有限公司 上行同步控制调整方法及装置
US10514541B2 (en) 2012-12-27 2019-12-24 Microsoft Technology Licensing, Llc Display update time reduction for a near-eye display
CN103439906B (zh) * 2013-08-29 2015-10-21 金博尔节能环保科技（北京）有限公司 一种信号转换发送设备
CN112688726B (zh) * 2016-03-15 2022-04-29 华为技术有限公司 极化频谱预编码传输
KR102225292B1 (ko) * 2016-11-10 2021-03-09 주식회사 아나패스 다채널 통신 방법 및 다채널 통신 장치
CN108156103B (zh) * 2016-12-05 2022-02-15 中兴通讯股份有限公司 一种iq信号校准方法及装置
AU2018427247B2 (en) 2018-12-29 2021-09-23 Huawei Technologies Co., Ltd. Optical splitting apparatus
CN109743111B (zh) * 2019-03-18 2020-08-28 蚌埠市华兴电子网络有限公司 一种用于光纤到楼接入网络改造的施工方法

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4206320A (en) * 1978-08-21 1980-06-03 University Of Illinois Foundation High speed modem suitable for operating with a switched network
US4381546A (en) * 1979-03-02 1983-04-26 Paradyne Corporation System for the quantitative measurement of impairments in the communication channel of a quadrature amplitude modulation data communication system
US4291403A (en) * 1979-05-22 1981-09-22 Rockwell International Corporation Digital implementation of parity monitor and alarm
CA1158739A (en) * 1980-04-30 1983-12-13 William Rodman Distributed network synchronization system
US5195092A (en) * 1987-08-04 1993-03-16 Telaction Corporation Interactive multimedia presentation & communication system
GB2232326A (en) * 1989-05-26 1990-12-05 Philips Electronic Associated Data transmission over a tdm duplex frequency channel
JPH0377437A (ja) * 1989-08-19 1991-04-03 Fujitsu Ltd トランスバーサル等化による回線切替方式
US5121409A (en) * 1990-04-04 1992-06-09 Artran, Inc. Multichannel satellite communication and control system
JPH04156735A (ja) * 1990-10-19 1992-05-29 Nec Corp 光周波数多重伝送システム
DE59208529D1 (de) * 1991-02-11 1997-07-03 Sel Alcatel Ag Optisches Nachrichtenübertragungssystem für den Teilnehmeranschlussbereich mit optischen Verstärkern
US5214687A (en) * 1991-06-05 1993-05-25 Nokia Mobile Phones Ltd. Method to determine transmission quality
US5241565A (en) * 1991-06-25 1993-08-31 Microcom Systems, Inc. Method and apparatus for effecting efficient transmission of data
US5303229A (en) * 1991-07-31 1994-04-12 Alcatel Network Systems, Inc. Optical network unit
US5448750A (en) * 1992-04-22 1995-09-05 Telefonaktiebolaget Lm Ericsson Segregation method of dynamic channel allocation in a mobile radio system
US5513185A (en) * 1992-11-23 1996-04-30 At&T Corp. Method and apparatus for transmission link error rate monitoring
EP0613266B1 (en) * 1993-02-08 2001-06-13 Koninklijke Philips Electronics N.V. OFDM receiver with compensation for differential delays
EP0618692B1 (de) * 1993-03-30 1996-09-25 Siemens Aktiengesellschaft Passives optisches Telekommunikationssystem
WO1995013579A1 (en) * 1993-11-09 1995-05-18 Advanced Techcom, Inc. Reducing errors in digital communication
GB9414664D0 (en) * 1994-07-20 1994-09-07 British Aerospace Digital signal processing apparatus

Also Published As

Publication number Publication date
KR100254067B1 (ko) 2000-04-15
TW321809B (pt) 1997-12-01
KR19980701997A (ko) 1998-06-25
FI20116215A (fi) 2011-12-01
FI122856B (fi) 2012-08-15
CA2211117A1 (en) 1996-08-15
FI20116237A (fi) 2011-12-07
CZ248797A3 (en) 1997-12-17
FI124248B (fi) 2014-05-15
EP1229683A3 (en) 2002-11-06
FI124511B (fi) 2014-09-30
AU703284B2 (en) 1999-03-25
FI124509B (fi) 2014-09-30
FI124510B (fi) 2014-09-30
FI124512B (fi) 2014-09-30
FI20116240A (fi) 2011-12-07
FI124457B (fi) 2014-09-15
FI123212B (fi) 2012-12-31
FI20116238A (fi) 2011-12-07
FI123211B (fi) 2012-12-31
FI20116239A (fi) 2011-12-07
JP2986921B2 (ja) 1999-12-06
FI20116242A (fi) 2011-12-07
AU4915896A (en) 1996-08-27
FI124458B (fi) 2014-09-15
FI123210B (fi) 2012-12-31
MX9705953A (es) 1998-02-28
FI20116241A (fi) 2011-12-07
CZ289894B6 (cs) 2002-04-17
FI120898B (fi) 2010-04-15
WO1996024989A2 (en) 1996-08-15
NZ302973A (en) 1998-08-26
FI20085728A (fi) 2008-07-15
JP2000049748A (ja) 2000-02-18
WO1996024989A3 (en) 1996-11-21
CN1180462A (zh) 1998-04-29
FI122855B (fi) 2012-08-15
JPH10507051A (ja) 1998-07-07
CN1086877C (zh) 2002-06-26
EP0809898A2 (en) 1997-12-03
EP1229683A2 (en) 2002-08-07
FI20085830A (fi) 2008-09-05
FI20085996A (fi) 2008-10-21
CA2211117C (en) 2001-04-03
FI20116236A (fi) 2011-12-07
FI973134A (fi) 1997-10-06
FI20116235A (fi) 2011-12-07
FI973134A0 (fi) 1997-07-28
FI20116214A (fi) 2011-12-01
FI124459B (fi) 2014-09-15
FI120711B (fi) 2010-01-29
FI20116243A (fi) 2011-12-07

Similar Documents

Publication Publication Date Title
BR9607031A (pt) Sistema de comunicação processos para filtração polifásica em um sistema de comunicação para monitoração de pelo menos um canal de comunicação de telefonica de anel distribuído para um sistema de comunicação e para estabelecimento de comunicaçâo entre uma extremidade de fornecimento e uma pluralidade de unidades remotas em um sistema de comunicação e aparelhos receptor e para monitoração de pelo menos em canal de comunicação de telefonia
PL311050A1 (en) Autodiagnostic system for a transmit/receive cellular communication system with possibility of remote reporting
EP1579710A4 (en) SYSTEM AND METHOD FOR DISTRIBUTING COMMUNICATION SIGNALS IN MAJOR WIRELESS TELECOMMUNICATION NETWORKS
TW354444B (en) Network apparatus and method to provide compressed digital video over mini-fiber nodes
HK1026327A1 (en) System for alerting portable communication device of incoming call.
CA2158115A1 (en) Method and Apparatus for Increasing Spectrum Efficiency
AU3591595A (en) Superframe synchronization for mobile telephone scpc system
KR960705463A (ko) 원거리 가입자(remote subscribers)군을 위한 무선전화 시스템(RADIOTELEPHONE SYSTEM FOR GROUPS OF REMOTE SUBSCRIBERS)
IL128588A0 (en) Apparatus and method for dtmf signaling on compressed voice networks
IL122722A0 (en) Community emergency telephone notification system
EP0763225A4 (en) METHOD AND SYSTEM APPLICABLE TO A REMOTE PROCEDURE CALL OVER A NON-RELIABLE COMMUNICATION CHANNEL USING MULTIPLE SYNCHRONIZATION CLOCKS FOR RETRANSMISSION
DE69535573D1 (de) Satellitenkommunikationsadapter für zellulares fernsprechhandgerät
HUP0103516A3 (en) Enchanced communication system and method using this system
HUP9802946A3 (en) Method for transmitting dtmf signals through the radio channel of a mobile telephone system
EP0733921A3 (en) Optical insertion and separation multiplexer for optical communication networks
EP0660634A3 (en) System and method for multiple connection in mobile communication.
DE69331158D1 (de) Mehrpunktvideoübertragungssystem für Satellitenkommunikation
EP0588576A3 (en) Message length reporting system for telephone communication system
DE69622955D1 (de) Mobile Funkkommunikationsanordnung mit Synchronisations- und Wartungsvorrichtung
GB9603656D0 (en) Subscriber terminal monitor system for a wireless telecommunications system
AU7740698A (en) Incoming call alerting method for a radio communication apparatus connected to an external apparatus
BR9510181A (pt) Sistema de telefonia e de sinalização de canal comun e processos de determinar e de monitorar a carga no enlace de comunicações
PL324528A1 (en) Supplying linear telephone communication system having digital voice band message transmission with hooked up earphone
GB9722324D0 (en) Positioning system for digital telephone networks
BR9402712A (pt) Método e aparelho para estabelecer uma comunicação via fac-símile com receptores de chamada seletivos

Legal Events

Date Code Title Description
B08F Application dismissed because of non-payment of annual fees [chapter 8.6 patent gazette]
B15K Others concerning applications: alteration of classification

Ipc: H04L 1/00 (2006.01), H04B 10/272 (2013.0