BR9802530C1 - Module for fiber optic radio transmission - Google Patents
Module for fiber optic radio transmissionInfo
- Publication number
- BR9802530C1 BR9802530C1 BR9802530A BR9802530A BR9802530C1 BR 9802530 C1 BR9802530 C1 BR 9802530C1 BR 9802530 A BR9802530 A BR 9802530A BR 9802530 A BR9802530 A BR 9802530A BR 9802530 C1 BR9802530 C1 BR 9802530C1
- Authority
- BR
- Brazil
- Prior art keywords
- channels
- optical
- module
- frequencies
- fiber
- Prior art date
Links
Landscapes
- Optical Communication System (AREA)
Abstract
"MóDULO PARA A TRANSMISSãO DE RáDIO EM FIBRA óPTICA", que consiste em um equipamento desenvolvido para aceitar como entrada, dois canais nas freq³ências de GSM e outros dois canais na freq³ência de DCS, realizando uma conversão eletroóptica dos referidos canais que propagam-se em fibra óptica até a extremidade receptora, no qual realiza-se uma conversão ótico-elétrica e amplifica-se em cada canal até atingir uma potência superior a 0,5 watt em cada um , sendo multiplexados os quatro canais para atingir a antena. No lado de recepção, o canal ou canais que chegam da antena, independentemante da banda que procedem, são convertidos para as freq³ências ópticas, propagadas por fibra e novamente convertidos em freq³ências de radiofreq³ência para serem entregues na Estação Base."MODULE FOR THE TRANSMISSION OF RADIO IN FIBER OPTICS", which consists of equipment developed to accept as input, two channels on the GSM frequencies and two other channels on the DCS frequency, performing an electro-optical conversion of the referred channels that are propagated in optical fiber to the receiving end, in which an optical-electrical conversion is carried out and amplified in each channel until reaching a power greater than 0.5 watt in each one, the four channels being multiplexed to reach the antenna. On the reception side, the channel or channels that arrive from the antenna, regardless of the band they are coming from, are converted to optical frequencies, propagated by fiber and again converted to radio frequency frequencies to be delivered at the Base Station.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ES9701387A ES2125840B1 (en) | 1997-06-24 | 1997-06-24 | NEW MODULE FOR RADIO TRANSMISSION ON FIBER OPTIC. |
ES9901130A ES2156729B1 (en) | 1997-06-24 | 1999-05-26 | RELATING TO A NEW MODULE FOR RADIO TRANSMISSION ON OPTICAL FIBER. |
Publications (2)
Publication Number | Publication Date |
---|---|
BR9802530A BR9802530A (en) | 1999-06-15 |
BR9802530C1 true BR9802530C1 (en) | 2000-11-14 |
Family
ID=26155073
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BR9802530A BR9802530C1 (en) | 1997-06-24 | 1998-06-24 | Module for fiber optic radio transmission |
Country Status (2)
Country | Link |
---|---|
BR (1) | BR9802530C1 (en) |
ES (1) | ES2156729B1 (en) |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA2051496C (en) * | 1990-09-17 | 1996-05-07 | Katsumi Emura | Mobile communication system |
US5339184A (en) * | 1992-06-15 | 1994-08-16 | Gte Laboratories Incorporated | Fiber optic antenna remoting for multi-sector cell sites |
EP0762674A3 (en) * | 1995-09-08 | 2001-03-21 | Siemens Aktiengesellschaft | Method and circuit to transmit received signals from an antenna to a base station of a radio system |
JPH11122191A (en) * | 1997-10-16 | 1999-04-30 | Ntt Mobil Commun Network Inc | Optical fiber transmission system for radio signal |
-
1998
- 1998-06-24 BR BR9802530A patent/BR9802530C1/en not_active Application Discontinuation
-
1999
- 1999-05-26 ES ES9901130A patent/ES2156729B1/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
ES2156729B1 (en) | 2002-02-16 |
ES2156729A1 (en) | 2001-07-01 |
BR9802530A (en) | 1999-06-15 |
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Legal Events
Date | Code | Title | Description |
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TC | Change of name | ||
B15K | Others concerning applications: alteration of classification |
Free format text: ALTERADA A CLASSIFICACAO DE H04K 5/00 POARA INT.CL.2011.01 H04B 10/12; H04W 88/08; H04K 5/00 Ipc: H04B 10/12 (2011.01), H04W 88/08 (2011.01), H05K 5 |
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B07A | Application suspended after technical examination (opinion) [chapter 7.1 patent gazette] | ||
B09B | Patent application refused [chapter 9.2 patent gazette] |
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B09B | Patent application refused [chapter 9.2 patent gazette] |
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B11Q | Dismissal: the certificate of addition was not accessory to any patent, or a patent which was nominated accessory and no longer exists |
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B15K | Others concerning applications: alteration of classification |
Free format text: ADDITIONAL INVENTOR'S CERTIFICATE: AS CLASSIFICACOES ANTERIORES ERAM: H04Q 7/30 , H04B 10/12 Ipc: H04B 10/25 (2013.01), H04W 88/08 (2009.01), H05K 5 Free format text: AS CLASSIFICACOES ANTERIORES ERAM: H04B 10/12 , H04W 88/08 , H05K 5/00 Ipc: H04B 10/25 (2013.01), H04W 88/08 (2009.01), H05K 5 |
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B11T | Dismissal of application maintained [chapter 11.20 patent gazette] |
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