CN101895337A - Double-fiber hot backup radio-frequency intelligent optical module - Google Patents
Double-fiber hot backup radio-frequency intelligent optical module Download PDFInfo
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- CN101895337A CN101895337A CN2010102195449A CN201010219544A CN101895337A CN 101895337 A CN101895337 A CN 101895337A CN 2010102195449 A CN2010102195449 A CN 2010102195449A CN 201010219544 A CN201010219544 A CN 201010219544A CN 101895337 A CN101895337 A CN 101895337A
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Abstract
The invention discloses a double-fiber hot backup radio-frequency intelligent optical module, which comprises a radio-frequency (RF) input, a laser, an optical divider, wavelength division multiplexers, a control unit and an RF output, wherein the RF input, the laser, the optical divider, the wavelength division multiplexers and the RF output are connected in turn; the control unit is connected with the laser; the optical divider is connected with the first and second wavelength division multiplexers; the first and second wavelength division multiplexers are connected with master and backup detectors respectively; the master and backup detectors are connected with an RF switch; and the two RF switches are connected with an RF combiner and the control unit respectively. The double-fiber hot backup radio-frequency intelligent optical module implements the fiber line protection technology, improves the integration of a fiber link backup repeater, reduces the cost, and is more competitive and suitable for mobile communication networks of trunking communication systems, GSM, CDMA, 3G and the like.
Description
Technical field
The present invention relates to the radio communication transmission equipment, specifically be meant a kind of radio-frequency intelligent optical module with two Optical Fiber Transmission and backup functionality.
Background technology
The radio-frequency intelligent optical module is exactly the equipment that utilizes the Optical Fiber Transmission mobile communication radio frequency signal, is the core of optical fiber repeater covering system.The repeater of optical fiber link backup by optical fiber link is backed up, makes the signal transmission between repeater near-end and the far-end more reliable, when wherein one road optical fiber link breaks down, can not cause system paralysis to occur, and the protection system operation is normal.The principle of the repeater of the composition of existing radio-frequency intelligent optical module is formed as shown in Figure 1, it is optical fiber link backup part, its principle that realizes backup is: all possess a distributor, a synthesizer, two optical transmission modules, two Optical Receivers by two-way and realize that its integrated level is lower, cost is high.
Summary of the invention
The problem that the present invention need solve provides that a kind of integrated level is higher, cost is low, have backup functionality, guarantee that optical-fibre communications stablizes double-fiber hot backup radio-frequency intelligent optical module.
To achieve these goals, the present invention designs a kind of double-fiber hot backup radio-frequency intelligent optical module, comprise the radio frequency input, laser, optical branching device, wavelength division multiplexer, control unit and radio frequency output, the radio frequency input, laser, optical branching device, wavelength division multiplexer and radio frequency output are linked in sequence, control unit is connected with laser, described optical branching device and first, second wavelength division multiplexer connects, first, second wavelength division multiplexer respectively with the master, being equipped with detector connects, described master, be equipped with detector and be connected with radio-frequency (RF) switch respectively, two radio-frequency (RF) switch are connected with control unit with the radio frequency mixer respectively.
Described detector is connected with receipts luminous power acquisition module, and this is received luminous power acquisition module and is connected with control unit.
Described radio-frequency (RF) switch is connected with the radio frequency mixer by one-level amplifier, match circuit, the numerical-control attenuator that order links to each other.
Described match circuit is connected with control unit by filter, combiner unit, the fsk demodulator that order links to each other.
Described control unit is connected with laser by light power controller.
Described laser is connected with control unit by voltage acquisition device backlight.
The present invention is as the near-end and the remote end module of system; by detecting relatively main detector and the receipts luminous power size of detector fully; the control radio-frequency (RF) switch; open receive luminous power big a road; turn-off to receive luminous power little a road; carry out the instantaneous switching of light path, thereby can avoid main when with optical cable full resistance obstacle taking place, the protection system operation is normal.From cost consideration, adopt a double-fiber hot backup radio-frequency intelligent optical module to substitute four optical modules, a distributor, a mixer, can reduce the cost deal of PCB and structure housing, thereby reduce cost of the present invention; In addition,, adopt single laser, also can reduce cost of the present invention because the cost proportion maximum that laser accounts for surpasses 50%.
Double-fiber hot backup radio-frequency intelligent optical module of the present invention; realize the fibre circuit resist technology, improved the integrated level of optical fiber link backup repeater, reduced cost; make it have more competitiveness, be applicable to mobile communications networks such as trunked communication system, GSM, CDMA, 3G.
Description of drawings:
Fig. 1 is the core theory diagram of existing fiber link backup repeater;
Fig. 2 is a double-fiber hot backup radio-frequency intelligent optical module system principle diagram of the present invention;
The theory of constitution block diagram of Fig. 3 double-fiber hot backup radio-frequency intelligent optical module of the present invention.
Embodiment
For the ease of those skilled in the art's understanding, structural principle of the present invention is described in further detail below in conjunction with specific embodiment and accompanying drawing:
As shown in Figure 2, the schematic diagram of the repeater of forming by double-fiber hot backup radio-frequency intelligent optical module, the double-fiber hot backup radio-frequency intelligent optical module of near-end and far-end, described double-fiber hot backup radio-frequency intelligent optical module comprises the radio frequency input, laser, optical branching device, wavelength division multiplexer, control unit and radio frequency output, the radio frequency input, laser, optical branching device, wavelength division multiplexer and radio frequency output are linked in sequence, control unit is connected with laser, described optical branching device and first, second wavelength division multiplexer connects, first, second wavelength division multiplexer respectively with the master, being equipped with detector connects, described master, be equipped with detector and be connected with radio-frequency (RF) switch respectively, two radio-frequency (RF) switch are connected with control unit with the radio frequency mixer respectively.
As shown in Figure 3, double-fiber hot backup radio-frequency intelligent optical module comprises the radio frequency input, the input coupling, low noise amplifier, filter Liang Boqi, match circuit, laser, light power controller, voltage acquisition device backlight, optical branching device, wavelength division multiplexer, control unit and radio frequency output, the radio frequency input, laser, optical branching device, wavelength division multiplexer and radio frequency output are linked in sequence, control unit is connected with laser, described optical branching device and first, second wavelength division multiplexer connects, first, second wavelength division multiplexer respectively with the master, being equipped with detector connects, described master, be equipped with detector and be connected with radio-frequency (RF) switch respectively, two radio-frequency (RF) switch are connected with control unit with the radio frequency mixer respectively.Described detector is connected with receipts luminous power acquisition module, and this is received luminous power acquisition module and is connected with control unit.Described radio-frequency (RF) switch is connected with the radio frequency mixer by one-level amplifier, match circuit, the numerical-control attenuator that order links to each other.Described match circuit is connected with control unit by filter, combiner unit, the fsk demodulator that order links to each other.
Input matching unit in the double-fiber hot backup radio-frequency intelligent optical module of the present invention, the match circuit unit, filter unit, voltage acquisition unit backlight, combiner unit is passive network, it is CMM6001-SC that low noise amplifies model, it is BG14B that one-level is amplified model, it is CMM6001-SC that secondary amplifies model, three grades are amplified model is SBB-5089Z, the numerical-control attenuator model is PE4302, radio frequency mixer model is LDC32900M03B-703, the radio-frequency (RF) switch model is HMC197, FSK modulator and fsk demodulator model are CC1000, radio-frequency power collecting unit model is LMV225, luminous power control unit model is LM258, receiving luminous power collecting unit model is BCV62, the control unit model is LPC2134, laser, optical branching device, wavelength division multiplexer, detector is formed two fine three-dimensional laser assemblies, and the two fine three-dimensional laser assembly models of near-end are KTM-F1310nmS-41AR, and the two fine three-dimensional laser assembly models of far-end are KTM-D1550nmS-41AR.
Adopt the radio-frequency input signals of this double-fiber hot backup radio-frequency intelligent optical module optical fiber repeater near-end machine or remote termination to send into double-fiber hot backup radio-frequency intelligent optical module, laser is sent into light along separate routes after converting this radio-frequency input signals to light signal, the light signal that will comprise radiofrequency signal information is divided into two-way, delivers to far-end or near-end through wavelength division multiplexer and optical fiber then.Enter two detectors respectively behind light signal process optical fiber that comprises radiofrequency signal information that near-end machine or remote termination transmit and the wavelength division multiplexer and be converted into radiofrequency signal, control unit is by the receipts luminous power size of comparator probe (master) and detector (being equipped with), control radio-frequency (RF) switch unit, open and receive a road big radiofrequency signal of luminous power, turn-off and receive a road little radiofrequency signal of luminous power, the road radiofrequency signal of opening is amplified through one-level, the one-level amplifying unit, second match circuit, numerical-control attenuator, with the radio frequency mixer, the secondary amplifying unit, the 4th filter unit, behind three grades of amplifying units, from double-fiber hot backup radio-frequency intelligent optical module, export.
Foregoing is preferred embodiment of the present invention only, is not to be used to limit embodiment of the present invention, and those skilled in the art are according to design of the present invention, and appropriate adaptation of having done or modification all should be within protection scope of the present invention.
Claims (6)
1. double-fiber hot backup radio-frequency intelligent optical module, comprise the radio frequency input, laser, optical branching device, wavelength division multiplexer, control unit and radio frequency output, the radio frequency input, laser, optical branching device, wavelength division multiplexer and radio frequency output are linked in sequence, control unit is connected with laser, its feature is being: described optical branching device and first, second wavelength division multiplexer connects, first, second wavelength division multiplexer respectively with the master, being equipped with detector connects, described master, be equipped with detector and be connected with radio-frequency (RF) switch respectively, two radio-frequency (RF) switch are connected with control unit with the radio frequency mixer respectively.
2. double-fiber hot backup radio-frequency intelligent optical module according to claim 1 is characterized in that: described detector is connected with receipts luminous power acquisition module, and this is received luminous power acquisition module and is connected with control unit.
3. double-fiber hot backup radio-frequency intelligent optical module according to claim 1 and 2 is characterized in that: described radio-frequency (RF) switch is connected with the radio frequency mixer by one-level amplifier, match circuit, the numerical-control attenuator that order links to each other.
4. double-fiber hot backup radio-frequency intelligent optical module according to claim 3 is characterized in that: described match circuit is connected with control unit by filter, combiner unit, the fsk demodulator that order links to each other.
5. double-fiber hot backup radio-frequency intelligent optical module according to claim 1 is characterized in that: described control unit is connected with laser by light power controller.
6. double-fiber hot backup radio-frequency intelligent optical module according to claim 1 is characterized in that: described laser is connected with control unit by voltage acquisition device backlight.
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| CN2010102195449A CN101895337B (en) | 2010-07-07 | 2010-07-07 | Double-fiber hot backup radio-frequency intelligent optical module |
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| CN2010102195449A CN101895337B (en) | 2010-07-07 | 2010-07-07 | Double-fiber hot backup radio-frequency intelligent optical module |
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| CN101895337B CN101895337B (en) | 2013-03-13 |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102752056A (en) * | 2012-07-25 | 2012-10-24 | 武汉虹信通信技术有限责任公司 | Time-division multiplexing electric-branching radio-frequency optical transmission module |
| CN105406917A (en) * | 2015-09-30 | 2016-03-16 | 广州埃信电信设备有限公司 | Full hot backup digital processing and light distribution system |
| CN105406910A (en) * | 2015-11-24 | 2016-03-16 | 京信通信技术(广州)有限公司 | Light path backup and MIMO (Multiple Input Multiple Output) transmission system, near-end device and far-end device |
| CN105763245A (en) * | 2014-12-18 | 2016-07-13 | 中兴通讯股份有限公司 | Optical transceiving module |
| CN106936502A (en) * | 2016-12-27 | 2017-07-07 | 南京泰通科技股份有限公司 | GSM R repeaters Ethernet single fiber optical transmitter and receiver with light loss automatic gain compensation |
| CN109831254A (en) * | 2017-11-23 | 2019-05-31 | 通号通信信息集团上海有限公司 | A kind of optic-fiber repeater system using wavelength-division multiplex technique |
| CN114002786A (en) * | 2021-10-28 | 2022-02-01 | 中航光电科技股份有限公司 | High-density multi-channel satellite-borne optical transmission equipment |
| CN115694643A (en) * | 2022-10-27 | 2023-02-03 | 中国联合网络通信集团有限公司 | Signal transmission method, device, equipment and storage medium |
| WO2023103386A1 (en) * | 2021-12-07 | 2023-06-15 | 普罗斯通信技术（苏州）有限公司 | Optical module |
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| CN1929341A (en) * | 2006-10-18 | 2007-03-14 | 武汉盛华微系统技术有限公司 | Optical communication protection method |
| CN101166064A (en) * | 2006-10-17 | 2008-04-23 | 中兴通讯股份有限公司 | Conversion device for RF remote distribution system in communication system |
| CN201365254Y (en) * | 2008-12-25 | 2009-12-16 | 武汉盛华微系统技术股份有限公司 | Novel one-drag-more intelligent radio frequency optical module |
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2010
- 2010-07-07 CN CN2010102195449A patent/CN101895337B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101166064A (en) * | 2006-10-17 | 2008-04-23 | 中兴通讯股份有限公司 | Conversion device for RF remote distribution system in communication system |
| CN1929341A (en) * | 2006-10-18 | 2007-03-14 | 武汉盛华微系统技术有限公司 | Optical communication protection method |
| CN201365254Y (en) * | 2008-12-25 | 2009-12-16 | 武汉盛华微系统技术股份有限公司 | Novel one-drag-more intelligent radio frequency optical module |
Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102752056B (en) * | 2012-07-25 | 2015-03-04 | 武汉虹信通信技术有限责任公司 | Time-division multiplexing electric-branching radio-frequency optical transmission module |
| CN102752056A (en) * | 2012-07-25 | 2012-10-24 | 武汉虹信通信技术有限责任公司 | Time-division multiplexing electric-branching radio-frequency optical transmission module |
| CN105763245A (en) * | 2014-12-18 | 2016-07-13 | 中兴通讯股份有限公司 | Optical transceiving module |
| CN105406917A (en) * | 2015-09-30 | 2016-03-16 | 广州埃信电信设备有限公司 | Full hot backup digital processing and light distribution system |
| CN105406917B (en) * | 2015-09-30 | 2019-01-25 | 广州埃信电信设备有限公司 | A kind of full warm back-up digital processing and light distribution system |
| CN105406910A (en) * | 2015-11-24 | 2016-03-16 | 京信通信技术(广州)有限公司 | Light path backup and MIMO (Multiple Input Multiple Output) transmission system, near-end device and far-end device |
| CN105406910B (en) * | 2015-11-24 | 2019-02-12 | 京信通信系统（中国）有限公司 | Optical path backup and mimo transmission system, near-end device, far end device |
| CN106936502B (en) * | 2016-12-27 | 2024-02-13 | 南京泰通科技股份有限公司 | GSM-R repeater Ethernet single-fiber optical transceiver with optical loss automatic gain compensation |
| CN106936502A (en) * | 2016-12-27 | 2017-07-07 | 南京泰通科技股份有限公司 | GSM R repeaters Ethernet single fiber optical transmitter and receiver with light loss automatic gain compensation |
| CN109831254A (en) * | 2017-11-23 | 2019-05-31 | 通号通信信息集团上海有限公司 | A kind of optic-fiber repeater system using wavelength-division multiplex technique |
| CN109831254B (en) * | 2017-11-23 | 2023-10-10 | 通号通信信息集团上海有限公司 | Optical fiber repeater system using wavelength division multiplexing technology |
| CN114002786B (en) * | 2021-10-28 | 2023-04-18 | 中航光电科技股份有限公司 | High-density multi-channel satellite-borne optical transmission equipment |
| CN114002786A (en) * | 2021-10-28 | 2022-02-01 | 中航光电科技股份有限公司 | High-density multi-channel satellite-borne optical transmission equipment |
| WO2023103386A1 (en) * | 2021-12-07 | 2023-06-15 | 普罗斯通信技术（苏州）有限公司 | Optical module |
| CN115694643A (en) * | 2022-10-27 | 2023-02-03 | 中国联合网络通信集团有限公司 | Signal transmission method, device, equipment and storage medium |
| CN115694643B (en) * | 2022-10-27 | 2024-05-03 | 中国联合网络通信集团有限公司 | Signal transmission method, device, equipment and storage medium |
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| CN101895337B (en) | 2013-03-13 |
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Address after: 523000 Guangdong Province, Dongguan City Shek Pai Zhenmiao edge Shajing Village Road nine Applicant after: Dongguan Mentech Optical & Magnetic Co., Ltd. Address before: 523000 Guangdong Province, Dongguan City Shek Pai Zhenmiao edge Shajing Village Road nine Applicant before: Dongguan Mentech Electronic Co., Ltd. |
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