FI912785A - Radio-dataoeverfoeringssystem, speciellt cellulaer-resetelefonsystem. - Google Patents
Radio-dataoeverfoeringssystem, speciellt cellulaer-resetelefonsystem. Download PDFInfo
- Publication number
- FI912785A FI912785A FI912785A FI912785A FI912785A FI 912785 A FI912785 A FI 912785A FI 912785 A FI912785 A FI 912785A FI 912785 A FI912785 A FI 912785A FI 912785 A FI912785 A FI 912785A
- Authority
- FI
- Finland
- Prior art keywords
- radio
- optical
- carrier
- remote
- signal
- Prior art date
Links
Classifications
-
- 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
- H04B10/2575—Radio-over-fibre, e.g. radio frequency signal modulated onto an optical carrier
- H04B10/25752—Optical arrangements for wireless networks
- H04B10/25753—Distribution optical network, e.g. between a base station and a plurality of remote units
- H04B10/25754—Star network topology
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Optical Communication System (AREA)
- Mobile Radio Communication Systems (AREA)
- Radar Systems Or Details Thereof (AREA)
- Prostheses (AREA)
- Investigating Or Analysing Biological Materials (AREA)
- Micro-Organisms Or Cultivation Processes Thereof (AREA)
- Light Guides In General And Applications Therefor (AREA)
- Selective Calling Equipment (AREA)
- Radio Relay Systems (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE4019224A DE4019224A1 (de) | 1990-06-15 | 1990-06-15 | Funk-nachrichtenuebertragungssystem, insbesondere zellulares mobilfunksystem |
Publications (2)
Publication Number | Publication Date |
---|---|
FI912785A0 FI912785A0 (fi) | 1991-06-10 |
FI912785A true FI912785A (fi) | 1991-12-16 |
Family
ID=6408505
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FI912785A FI912785A (fi) | 1990-06-15 | 1991-06-10 | Radio-dataoeverfoeringssystem, speciellt cellulaer-resetelefonsystem. |
Country Status (12)
Country | Link |
---|---|
US (1) | US5251053A (zh) |
EP (1) | EP0461380B1 (zh) |
JP (1) | JP3115644B2 (zh) |
CN (1) | CN1057556A (zh) |
AT (1) | ATE184439T1 (zh) |
AU (1) | AU644441B2 (zh) |
CA (1) | CA2044670C (zh) |
DE (2) | DE4019224A1 (zh) |
ES (1) | ES2135382T3 (zh) |
FI (1) | FI912785A (zh) |
NO (1) | NO912117L (zh) |
RU (1) | RU2099881C1 (zh) |
Families Citing this family (54)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5809395A (en) * | 1991-01-15 | 1998-09-15 | Rogers Cable Systems Limited | Remote antenna driver for a radio telephony system |
JP2897492B2 (ja) * | 1991-10-24 | 1999-05-31 | 日本電気株式会社 | 移動通信装置 |
US5528665A (en) * | 1991-12-31 | 1996-06-18 | Peitz Gmbh | Telephone exchange apparatus for both mobile and stationary stations, in which all communication channel pairs are assignable for all stations |
US5627879A (en) * | 1992-09-17 | 1997-05-06 | Adc Telecommunications, Inc. | Cellular communications system with centralized base stations and distributed antenna units |
DE4301031A1 (de) * | 1993-01-16 | 1994-07-21 | Sel Alcatel Ag | Optischer Mikrowellen-Generator |
US5377035A (en) * | 1993-09-28 | 1994-12-27 | Hughes Aircraft Company | Wavelength division multiplexed fiber optic link for RF polarization diversity receiver |
US5457557A (en) * | 1994-01-21 | 1995-10-10 | Ortel Corporation | Low cost optical fiber RF signal distribution system |
DE4438942A1 (de) * | 1994-10-31 | 1996-05-02 | Sel Alcatel Ag | Optisches Nachrichtenübertragungssystem für Kabelfernsehsignale und für teilnehmerindividuelle Signale |
DE4444218A1 (de) * | 1994-12-13 | 1996-06-27 | Sel Alcatel Ag | Optische Sendeeinrichtung für ein optisches Nachrichtenübertragungssystem in Verbindung mit einem Funksystem |
US6043861A (en) * | 1995-06-05 | 2000-03-28 | Motorola, Inc. | Optical waveguide using cholesteric liquid crystal polymer |
DE19531633A1 (de) * | 1995-08-28 | 1997-07-03 | Whitaker Corp | Optisches Datenkommunikationssystem |
EP0762674A3 (de) * | 1995-09-08 | 2001-03-21 | Siemens Aktiengesellschaft | Verfahren und Schaltungsanordnung zum Übertragen von Empfangssignalen von einer Antenne zu einer Basisstation eines Funksystems |
US5838473A (en) * | 1995-10-13 | 1998-11-17 | British Telecommunications Public Limited Company | Optical communications system |
US5771452A (en) * | 1995-10-25 | 1998-06-23 | Northern Telecom Limited | System and method for providing cellular communication services using a transcoder |
US5920415A (en) * | 1995-11-21 | 1999-07-06 | The University Of Rochester | Transmission of optical signals |
US5796506A (en) * | 1995-11-21 | 1998-08-18 | Tsai; Charles Su-Chang | Submillimeter indirect heterodyne receiver and mixer element |
JPH09162810A (ja) * | 1995-12-12 | 1997-06-20 | Tokin Corp | 光送受信アンテナ装置 |
US5710651A (en) * | 1995-12-13 | 1998-01-20 | California Institute Of Technology | Remote millimeter-wave antenna fiber optic communication system using dual optical signal with millimeter-wave beat frequency |
US5774789A (en) * | 1995-12-14 | 1998-06-30 | Allen Telecom Inc. | RF communication signal distribution system and method |
US5847853A (en) | 1995-12-29 | 1998-12-08 | Micron Technology, Inc. | Modulation and demodulation of light to facilitate transmission of information |
DE19603295A1 (de) * | 1996-01-30 | 1997-07-31 | Siemens Ag | Optische Schnittstelle, insbesondere zur Diagnose einer optoelektronischen Kochstellensteuerung |
US5880863A (en) * | 1996-02-13 | 1999-03-09 | Gte Laboratories Incorporated | Reconfigurable ring system for the transport of RF signals over optical fibers |
US6525855B1 (en) * | 1996-07-19 | 2003-02-25 | British Telecommunications Public Limited Company | Telecommunications system simultaneously receiving and modulating an optical signal |
US5898906A (en) * | 1996-10-29 | 1999-04-27 | Gec Plessey Semiconductors, Inc. | System and method for implementing a cellular radio transmitter device |
US6049593A (en) * | 1997-01-17 | 2000-04-11 | Acampora; Anthony | Hybrid universal broadband telecommunications using small radio cells interconnected by free-space optical links |
US6112086A (en) * | 1997-02-25 | 2000-08-29 | Adc Telecommunications, Inc. | Scanning RSSI receiver system using inverse fast fourier transforms for a cellular communications system with centralized base stations and distributed antenna units |
DE19716323A1 (de) * | 1997-04-18 | 1998-10-22 | Alsthom Cge Alcatel | Modulationseinrichtung zur Modulation digitaler Signale |
DE19737482A1 (de) | 1997-08-28 | 1999-03-04 | Alsthom Cge Alcatel | Verfahren zur optischen Übertragung über ein Lichtwellenleiternetz, sowie optisches Übertragungsnetz |
US6704545B1 (en) | 2000-07-19 | 2004-03-09 | Adc Telecommunications, Inc. | Point-to-multipoint digital radio frequency transport |
US20020055371A1 (en) * | 2000-11-09 | 2002-05-09 | Shlomi Arnon | Cellular base station with remote antenna |
US20020114038A1 (en) * | 2000-11-09 | 2002-08-22 | Shlomi Arnon | Optical communication system |
GB2370170B (en) * | 2000-12-15 | 2003-01-29 | Ntl Group Ltd | Signal transmission systems |
US20030078052A1 (en) * | 2001-05-23 | 2003-04-24 | Celerica, Inc. | Method and apparatus for sharing infrastructure between wireless network operators |
EP1361683A1 (en) * | 2002-02-08 | 2003-11-12 | Motorola, Inc. | Optical to radio frequency detector |
US7184728B2 (en) | 2002-02-25 | 2007-02-27 | Adc Telecommunications, Inc. | Distributed automatic gain control system |
ES2198206B2 (es) * | 2002-04-12 | 2004-09-16 | Telefonica, S.A. | Sistema de conexion mediante fibra optica utilizando tecnicas hibridas dwdm/scm entre estaciones base y antenas remotas en un sistema de radiocomunicaciones, asi como metodo de acceso. |
US8958789B2 (en) | 2002-12-03 | 2015-02-17 | Adc Telecommunications, Inc. | Distributed digital antenna system |
KR100954263B1 (ko) * | 2003-02-28 | 2010-04-23 | 도쿠리쯔교세이호진 죠호쯔신겡큐기코 | 무선 통신 시스템 |
JP4535423B2 (ja) * | 2003-12-25 | 2010-09-01 | 日本電信電話株式会社 | 光送信器及び光−無線融合通信システム |
JP3841793B2 (ja) * | 2004-02-26 | 2006-11-01 | 独立行政法人情報通信研究機構 | 無線光融合通信システムにおける周波数変換方法及び基地局 |
IL161869A (en) | 2004-05-06 | 2014-05-28 | Serconet Ltd | A system and method for carrying a signal originating is wired using wires |
US7813451B2 (en) | 2006-01-11 | 2010-10-12 | Mobileaccess Networks Ltd. | Apparatus and method for frequency shifting of a wireless signal and systems using frequency shifting |
US7599711B2 (en) * | 2006-04-12 | 2009-10-06 | Adc Telecommunications, Inc. | Systems and methods for analog transport of RF voice/data communications |
US8583100B2 (en) | 2007-01-25 | 2013-11-12 | Adc Telecommunications, Inc. | Distributed remote base station system |
US8737454B2 (en) | 2007-01-25 | 2014-05-27 | Adc Telecommunications, Inc. | Modular wireless communications platform |
WO2009053910A2 (en) | 2007-10-22 | 2009-04-30 | Mobileaccess Networks Ltd. | Communication system using low bandwidth wires |
US8175649B2 (en) | 2008-06-20 | 2012-05-08 | Corning Mobileaccess Ltd | Method and system for real time control of an active antenna over a distributed antenna system |
WO2010089719A1 (en) | 2009-02-08 | 2010-08-12 | Mobileaccess Networks Ltd. | Communication system using cables carrying ethernet signals |
US9001811B2 (en) | 2009-05-19 | 2015-04-07 | Adc Telecommunications, Inc. | Method of inserting CDMA beacon pilots in output of distributed remote antenna nodes |
EP2829152A2 (en) | 2012-03-23 | 2015-01-28 | Corning Optical Communications Wireless Ltd. | Radio-frequency integrated circuit (rfic) chip(s) for providing distributed antenna system functionalities, and related components, systems, and methods |
WO2015126828A1 (en) | 2014-02-18 | 2015-08-27 | Commscope Technologiees Llc | Selectively combining uplink signals in distributed antenna systems |
US9184960B1 (en) | 2014-09-25 | 2015-11-10 | Corning Optical Communications Wireless Ltd | Frequency shifting a communications signal(s) in a multi-frequency distributed antenna system (DAS) to avoid or reduce frequency interference |
FR3030954A1 (fr) * | 2014-12-17 | 2016-06-24 | Thales Sa | Composant optoelectronique pour generer et rayonner un signal hyperfrequence |
US10499269B2 (en) | 2015-11-12 | 2019-12-03 | Commscope Technologies Llc | Systems and methods for assigning controlled nodes to channel interfaces of a controller |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE240475C (zh) * | ||||
GB346925A (en) * | 1930-03-04 | 1931-04-23 | Burgess And Sons Ltd B | Improvements in striking plates for use in connection with locks and latches |
US3513433A (en) * | 1968-01-15 | 1970-05-19 | Trw Inc | Electrical grounding bracket |
US3546465A (en) * | 1968-05-13 | 1970-12-08 | Bell Telephone Labor Inc | Light communication system utilizing tandem broadband and pilot frequency amplification |
US4553101A (en) * | 1983-09-21 | 1985-11-12 | General Dynamis Electronics Division | Fast frequency hopping demodulation system with serial accumulation of signal |
US4658096A (en) * | 1984-09-18 | 1987-04-14 | Metrofone, Inc. | System for interfacing a standard telephone set with a radio transceiver |
GB8709073D0 (en) * | 1987-04-15 | 1987-05-20 | British Telecomm | Coherent optical systems |
DE3713340A1 (de) * | 1987-04-21 | 1988-11-10 | Deutsche Bundespost | Verfahren zur optischen nachrichtenuebertragung |
US4916296A (en) * | 1987-10-29 | 1990-04-10 | Jerry R. Iggulden | Light modulating smart card |
GB2214755B (en) * | 1988-01-29 | 1992-06-24 | Walmore Electronics Limited | Distributed antenna system |
SE460807B (sv) * | 1988-03-11 | 1989-11-20 | Ericsson Telefon Ab L M | Anording foer att utsaenda en koherent frekvensmodulerad optisk signal |
GB8826476D0 (en) * | 1988-11-11 | 1988-12-14 | British Telecomm | Communications system |
USH850H (en) * | 1988-11-25 | 1990-11-06 | Single optical fiber slave/master transmision system | |
DE4008165A1 (de) * | 1990-02-01 | 1991-08-08 | Standard Elektrik Lorenz Ag | Zellulares mobilfunksystem |
-
1990
- 1990-06-15 DE DE4019224A patent/DE4019224A1/de not_active Withdrawn
-
1991
- 1991-05-02 ES ES91107082T patent/ES2135382T3/es not_active Expired - Lifetime
- 1991-05-02 AT AT91107082T patent/ATE184439T1/de not_active IP Right Cessation
- 1991-05-02 DE DE59109149T patent/DE59109149D1/de not_active Expired - Fee Related
- 1991-05-02 EP EP91107082A patent/EP0461380B1/de not_active Expired - Lifetime
- 1991-06-03 NO NO91912117A patent/NO912117L/no unknown
- 1991-06-04 US US07/710,158 patent/US5251053A/en not_active Expired - Fee Related
- 1991-06-07 AU AU78236/91A patent/AU644441B2/en not_active Ceased
- 1991-06-10 FI FI912785A patent/FI912785A/fi unknown
- 1991-06-14 CA CA002044670A patent/CA2044670C/en not_active Expired - Fee Related
- 1991-06-14 RU SU914895569A patent/RU2099881C1/ru active
- 1991-06-14 JP JP03143548A patent/JP3115644B2/ja not_active Expired - Fee Related
- 1991-06-15 CN CN91103971A patent/CN1057556A/zh active Pending
Also Published As
Publication number | Publication date |
---|---|
DE4019224A1 (de) | 1991-12-19 |
EP0461380B1 (de) | 1999-09-08 |
CA2044670A1 (en) | 1991-12-16 |
RU2099881C1 (ru) | 1997-12-20 |
CN1057556A (zh) | 1992-01-01 |
CA2044670C (en) | 1998-10-06 |
NO912117L (no) | 1991-12-16 |
ATE184439T1 (de) | 1999-09-15 |
JP3115644B2 (ja) | 2000-12-11 |
US5251053A (en) | 1993-10-05 |
AU7823691A (en) | 1991-12-19 |
ES2135382T3 (es) | 1999-11-01 |
FI912785A0 (fi) | 1991-06-10 |
AU644441B2 (en) | 1993-12-09 |
EP0461380A3 (en) | 1993-10-06 |
JPH04233339A (ja) | 1992-08-21 |
DE59109149D1 (de) | 1999-10-14 |
NO912117D0 (no) | 1991-06-03 |
EP0461380A2 (de) | 1991-12-18 |
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