CN101895337B - 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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- CN101895337B CN101895337B CN2010102195449A CN201010219544A CN101895337B CN 101895337 B CN101895337 B CN 101895337B CN 2010102195449 A CN2010102195449 A CN 2010102195449A CN 201010219544 A CN201010219544 A CN 201010219544A CN 101895337 B CN101895337 B CN 101895337B
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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 refer to a kind of Intelligent radio frequency optical module with two Optical Fiber Transmission and backup functionality.
Background technology
Intelligent radio frequency 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, protection system normal operation to occur.The principle of the repeater of the composition of existing Intelligent radio frequency optical module forms 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, the Second Wave division multiplexer connects, first, the Second Wave division multiplexer respectively with the master, standby detector connects, described master, standby detector is connected with respectively radio-frequency (RF) switch, and 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 collector backlight.
The present invention is as near-end and the remote end module of system; by detecting relatively main detector and big or small for the receipts luminous power of detector; the control radio-frequency (RF) switch; open receive luminous power large a road; turn-off to receive luminous power little a road; carry out the instantaneous switching of light path, thereby in the time of avoiding primary optical cable that full resistance obstacle occurs, the protection system normal operation.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, because the cost proportion that laser accounts for is maximum, surpass 50%, adopt single laser, also can reduce cost of the present invention.
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 the 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 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, below in conjunction with specific embodiment and accompanying drawing structural principle of the present invention is described in further detail:
As shown in Figure 2, the schematic diagram of the repeater that is formed 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, the Second Wave division multiplexer connects, first, the Second Wave division multiplexer respectively with the master, standby detector connects, described master, standby detector is connected with respectively radio-frequency (RF) switch, and 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, Input matching, low noise amplifier, filter Liang Boqi, match circuit, laser, light power controller, voltage collector 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, the Second Wave division multiplexer connects, first, the Second Wave division multiplexer respectively with the master, standby detector connects, described master, standby detector is connected with respectively radio-frequency (RF) switch, and 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, the low noise amplification model is CMM6001-SC, 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 forms 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 end of optical fiber repeater 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, then delivers to far-end or near-end through wavelength division multiplexer and optical fiber.Enter respectively two detectors behind the 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 (standby), control radio-frequency (RF) switch unit, open and receive a road large 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, the 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 that those skilled in the art are according to design of the present invention for restriction embodiment of the present invention, and the appropriate adaptation of having done or modification all should be within protection scope of the present invention.
Claims (5)
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, the Second Wave division multiplexer connects, first, the Second Wave division multiplexer respectively with the master, standby detector connects, described master, standby detector is connected with respectively radio-frequency (RF) switch, radio-frequency (RF) switch is connected with control unit, and by the continuous one-level amplifier of order, match circuit, numerical-control attenuator is connected with the radio frequency mixer.
2. double-fiber hot backup radio-frequency intelligent optical module according to claim 1 is characterized in that: described detector with receive the luminous power acquisition module and be connected, this receipts luminous power acquisition module is connected with control unit.
3. double-fiber hot backup radio-frequency intelligent optical module according to claim 2 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.
4. double-fiber hot backup radio-frequency intelligent optical module according to claim 3, it is characterized in that: described control unit is connected with laser by light power controller.
5. double-fiber hot backup radio-frequency intelligent optical module according to claim 4 is characterized in that: described laser is connected with control unit by voltage collector backlight.
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| Application Number | Priority Date | Filing Date | Title |
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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 true CN101895337B (en) | 2013-03-13 |
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Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
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| 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 |
| CN105763245A (en) * | 2014-12-18 | 2016-07-13 | 中兴通讯股份有限公司 | Optical transceiving module |
| 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 |
| 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 |
| 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 |
| CN114024604A (en) * | 2021-12-07 | 2022-02-08 | 罗森伯格技术有限公司 | Optical module |
| 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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| 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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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
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