CN201039141Y - A RF integration channel one-drive-multiple optical fiber repeater - Google Patents
A RF integration channel one-drive-multiple optical fiber repeater Download PDFInfo
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- CN201039141Y CN201039141Y CNU2006201552984U CN200620155298U CN201039141Y CN 201039141 Y CN201039141 Y CN 201039141Y CN U2006201552984 U CNU2006201552984 U CN U2006201552984U CN 200620155298 U CN200620155298 U CN 200620155298U CN 201039141 Y CN201039141 Y CN 201039141Y
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- end machine
- optical fiber
- deciliter road
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Abstract
The utility model provides a one lug multi-optical fiber direct delivery station of a radio frequency shunting and circuit, which comprises a mutually connected main near-end machine and a main far-end machine. The main near-end machine is connected with a mobile communication base station through a coupler. The utility model also comprises an extension far-end machine. The main near-end machine and the main far-end machine are directly connected with each other through an optical fiber. And the extension near-end machine and the extension far-end machine are directly connected with each other through the optical fiber. The main near-end machine and the extension near-end machine are connected with each other through a cable. Through a set of devices, the utility model combines the mobile communication signals from a plurality of far-end covering area with a compound uplink signal, and transmits the downlink signals in the base station without attenuation, thereby conveniently realizing the signal coverage of a plurality of far-end areas. The utility model has the advantages of reasonable design, high degree of integration, long transmission distance, large coverage area, convenient and flexible composition and better adaptability, etc.
Description
Technical field
The utility model relates to the Mobile communication direct base station technology, is specifically related to one of a kind of radio frequency deciliter road and drags many optical fiber repeaters.
Background technology
Along with the development of mobile communication technology, what optical fiber repeater faced is how to drag many remote terminations to solve the problem that covers with a main near-end machine.Traditional optical fiber repeater one drags many coverings scheme as shown in Figure 1, adopt optical branching unit to realize at main near-end machine place, but its shortcoming is because the loss of optical branching unit is excessive, causes the signal attenuation of transmission many, make that the transmission range of optical fiber repeater is short, the area coverage of system is little.Drag under four the situation one, the transmission of system signal has only several kilometers, does not satisfy mobile communication reaches the transmission range more than 20 kilometers to the optical fiber repeater needs requirement.
The utility model content
The purpose of this utility model is to overcome shortcoming and the deficiency that tradition one drags many optical fiber repeaters to exist, provide a kind of simple and reasonable for structure, drag one of long-distance transmissions (reaching more than 20 kilometers) requires under many situations radio frequency deciliter road to drag many optical fiber repeaters but can satisfy optical fiber repeater one.This equipment is mainly used in solution optical fiber repeater one and drags many length apart from covering problem.
The purpose of this utility model is achieved through the following technical solutions: many optical fiber repeaters are dragged on one of a kind of radio frequency deciliter road, comprise the main near-end machine that is connected, main remote termination, and main near-end machine is connected with the mobile communication base station by coupler; It is characterized in that: also comprise expansion near-end machine, extended distal end machine, described main near-end machine directly is connected by optical fiber with main remote termination, and described expansion near-end machine directly is connected by optical fiber with the extended distal end machine; Described main near-end machine is connected by cable with expansion near-end machine.
Described main near-end machine is connected with a radio frequency deciliter road module in the expansion near-end machine by its inner radio frequency deciliter road module; Each is expanded the near-end machine and also interconnects one by one by its inner radio frequency deciliter road module.
Described main near-end machine directly is connected by a pair of optical fiber with main remote termination.
Described expansion near-end machine is connected by a pair of optical fiber with the extended distal end machine is also corresponding one by one.
Described main near-end machine comprises the near-end duplexer, near-end downlink radio frequency module, radio frequency deciliter road downstream module, radio frequency deciliter road uplink module, the up radio-frequency module of near-end, light is sent out module, light is received module, described near-end duplexer is connected with the up radio-frequency module of near-end with near-end downlink radio frequency module simultaneously, described near-end downlink radio frequency module is connected with a radio frequency deciliter road downstream module, the radio frequency deciliter road downstream module that the output while and the light of described radio frequency deciliter road downstream module is sent out module and expansion near-end machine is connected, the up radio-frequency module of described near-end is connected with a radio frequency deciliter road uplink module, and the radio frequency deciliter road uplink module receiving module with light in the time of the input of described radio frequency deciliter road uplink module and expand the near-end machine is connected.
Described expansion near-end machine comprises that radio frequency deciliter road downstream module, radio frequency deciliter road uplink module, light are sent out module, light is received module; The radio frequency deciliter road downstream module that the output while and the light of the radio frequency of described expansion near-end machine deciliter road downstream module are sent out the expansion near-end machine of module and next stage is connected; The radio frequency deciliter road uplink module that the output while and the light of the radio frequency of described expansion near-end machine deciliter road uplink module are sent out the expansion near-end machine of module and next stage is connected.
Described main remote termination comprises that light receives module, far-end downlink radio frequency module, power amplifier module, far-end duplexer, light and send out module, the up radio-frequency module of far-end, low noise amplification module, described light is received module and is connected with far-end downlink radio frequency module, described far-end downlink radio frequency module is connected with power amplifier module, described far-end duplexer is connected with the low noise amplification module with power amplifier module simultaneously, described light is sent out module and is connected with the up radio-frequency module of far-end, and the up radio-frequency module of described far-end is connected with the low noise amplification module.The structure of described extended distal end machine is with the structure of main remote termination.
The quantity of described expansion near-end machine can be 1～15, drags 16 optical fiber repeater transmission requirement to realize one-to-one to.
Action principle of the present utility model is: the signal that the mobile communication base station produces is sent to the near-end duplexer of main near-end machine by coupler, the near-end diplexer separates goes out downstream signal, downstream signal is isolated two-way by the radio frequency deciliter road downstream module of main near-end machine undampedly: one tunnel descending light by main near-end machine is sent out resume module and is modulated into light signal and is sent to main remote termination by optical fiber, the light of main remote termination is received module converting optical signals is become the mobile radio signal, be amplified to enough power by power amplifier module then, launch by antenna by the far-end duplexer at last and carry out the covering of movable signal; Another road downstream signal connects the radio frequency deciliter road downstream module of expansion near-end machine by cable, radio frequency deciliter downstream module place, road at expansion near-end machine isolates two-way again undampedly, the light of expansion near-end machine of leading up to is sent out resume module and is modulated into light signal and is sent to the extended distal end machine by optical fiber, the light of extended distal end machine is received module converting optical signals is become the mobile radio signal, be amplified to enough power by power amplifier module then, launch by antenna by the far-end duplexer at last and carry out the covering of movable signal, and another road downstream signal enters the expansion near-end machine (if there is not the expansion requirement, then can not connecing) of next stage according to the requirement that covers.Its up course of work is the inverse process of above-mentioned downlink working process.The utility model utilizes radio frequency deciliter road downstream module and radio frequency deciliter road uplink module, signal is carried out shunt undampedly and closes the road, can realize that optical fiber direct amplification stands in a transmission (reaching more than 20 kilometers) of dragging long distance under many situations, satisfies the requirement that the long distance of mobile communication covers.
The utility model has following advantage and effect with respect to prior art: (1) since this one drag many optical fiber repeaters the mobile communication signal in a plurality of far-end areas of coverage can be closed undampedly the road to become compound upward signal and downstream signal undamped ground in base station ground is transmitted along separate routes, can drag the requirement of satisfying the signal long-distance transmission under many situations one, longest distance can reach 20 kilometers or more than, thereby can satisfy the requirement for signal coverage of mobile communication preferably to a plurality of remote areas, have rational in infrastructure, the integrated level height, long transmission distance, characteristics such as the overlay area is big.(2) combined and instant is flexible, can realize that easily one drags 1, one to drag 2, one to drag 3, one to drag 4 system according to instructions for use, and maximum can realize that one drags 16, and applicability is better.
Description of drawings
Fig. 1 existing one drags the structural representation of many optical fiber repeaters.
Fig. 2 is the structural representation that the utility model one drags four optical fiber repeaters.
Embodiment
Below in conjunction with embodiment and accompanying drawing the utility model is described in further detail, but execution mode of the present utility model is not limited thereto.
Embodiment
Fig. 2 shows concrete structure of the present utility model, and as seen from Figure 2, this one drags 4 optical fiber repeater to comprise main near-end machine, 3 identical expansion near-end machines, main remote termination, 3 extended distal end machines (the extended distal end machine is identical with main remote termination structure); Described main near-end machine links to each other by a pair of optical fiber with main remote termination; Described expansion near-end machine is connected by a pair of optical fiber with the extended distal end machine is also corresponding one by one; Described main near-end machine is connected by cable with the extended distal end machine; Be connected by cable between the described expansion near-end machine.Described main near-end machine comprises the near-end duplexer, near-end downlink radio frequency module, radio frequency deciliter road downstream module, radio frequency deciliter road uplink module, the up radio-frequency module of near-end, light is sent out module, light is received module, described near-end duplexer is connected with the up radio-frequency module of near-end with near-end downlink radio frequency module simultaneously, described near-end downlink radio frequency module is connected with a radio frequency deciliter road downstream module, the radio frequency deciliter road downstream module that the output while and the light of described radio frequency deciliter road downstream module is sent out module and expansion near-end machine is connected, the up radio-frequency module of described near-end is connected with a radio frequency deciliter road uplink module, and the radio frequency deciliter road uplink module receiving module with light in the time of the input of described radio frequency deciliter road uplink module and expand the near-end machine is connected.Described expansion near-end machine (being extended distal end machine 1, extended distal end machine 2, extended distal end machine 3, extended distal end machine 4) includes that radio frequency deciliter road downstream module, radio frequency deciliter road uplink module, light are sent out module, light is received module.
Described main remote termination comprises light receipts module, far-end downlink radio frequency module, power amplifier module, the far-end duplexer, light is sent out module, the up radio-frequency module of far-end, the low noise amplification module, described light is received module and is connected with far-end downlink radio frequency module, described far-end downlink radio frequency module is connected with power amplifier module, described far-end duplexer is connected with the low noise amplification module with power amplifier module, the far-end duplexer is connected with cover antenna simultaneously, described light is sent out module and is connected with the up radio-frequency module of far-end, and the up radio-frequency module of described far-end is connected with the low noise amplification module.Described extended distal end machine comprises light receipts module, far-end downlink radio frequency module, power amplifier module, the far-end duplexer, light is sent out module, the up radio-frequency module of far-end, the low noise amplification module, described light is received module and is connected with far-end downlink radio frequency module, described far-end downlink radio frequency module is connected with power amplifier module, described far-end duplexer is connected with the low noise amplification module with power amplifier module, the far-end duplexer is connected with cover antenna simultaneously, described light is sent out module and is connected with the up radio-frequency module of far-end, and the up radio-frequency module of described far-end is connected with the low noise amplification module.
The main near-end machine of this equipment, expansion near-end machine 1, expansion near-end machine 2, expansion near-end machine 3, expansion near-end machine 4 can be in the mobile communication base station be installed in the mobile communication base station machine room, take out the main near-end machine that mobile communications network (GSM or DCS or CDMA or WCDMA or cdma2000 etc.) signal is added to this equipment by high-power coupler coupling, duplexer by main near-end machine is isolated downstream signal, and the radio frequency deciliter road downstream module by main near-end machine is with the zero-decrement two-way that is divided into of downstream signal, one road downstream signal is sent out module by the light of main near-end machine and is modulated to light signal and arrives main remote termination through Optical Fiber Transmission, the light of main remote termination is received module and is received that modulated optical signal demodulates downstream signal afterwards and by the power amplifier module amplification, carries out the covering of mobile communication signal by the far-end duplexer by the cover antenna emission then.After the transmission of space, the travelling carriage (mobile phone) in the main remote termination area of coverage just can be received mobile communication signal.Another road downstream signal enters expansion near-end machine 1, by the radio frequency deciliter road downstream module in the expansion near-end machine 1 again with the zero-decrement two-way that is divided into of downstream signal, one road downstream signal is sent out module by the light of expansion near-end machine 1 and is modulated to light signal and arrives extended distal end machine 1 through Optical Fiber Transmission, the light of extended distal end machine 1 is received module and is received that modulated optical signal demodulates downstream signal afterwards and by the power amplifier module amplification, carries out the covering of mobile communication signal by the far-end duplexer by the cover antenna emission then.After the transmission of space, the travelling carriage (mobile phone) in extended distal end machine 1 area of coverage just can be received mobile communication signal.Another road downstream signal enters expansion near-end machine 2, by the radio frequency deciliter road downstream module in the expansion near-end machine 2 again with the zero-decrement two-way that is divided into of downstream signal, one road downstream signal is sent out module by the light of expansion near-end machine 2 and is modulated to light signal and arrives extended distal end machine 2 through Optical Fiber Transmission, the light of extended distal end machine 2 is received module and is received that modulated optical signal demodulates downstream signal afterwards and by the power amplifier module amplification, carries out the covering of mobile communication signal by the far-end duplexer by the cover antenna emission then.After the transmission of space, the travelling carriage (mobile phone) in extended distal end machine 2 areas of coverage just can be received mobile communication signal.Another road downstream signal enters expansion near-end machine 3, sending out module by downstream signal after the radio frequency deciliter road downstream module in the expansion near-end machine 3 by the light of expansion near-end machine 3 is modulated to light signal and arrives extended distal end machine 3 through Optical Fiber Transmission, the light of extended distal end machine 3 is received module and is received that own dim signal demodulates downstream signal afterwards and by the power amplifier module amplification, carries out the covering of mobile communication signal by the far-end duplexer by the cover antenna emission then.After the transmission of space, the travelling carriage (mobile phone) in extended distal end machine 3 areas of coverage just can be received mobile communication signal.
More than be that downstream signal covers principle, just opposite for its transfer process of upward signal, the upward signal that a plurality of travelling carriages (mobile phone) in main remote termination overlay area send is transferred to the cover antenna of main remote termination through the space, the antenna receiving signal of main remote termination is after after the up radio-frequency module amplification of low noise amplification module and far-end, send out module by the light in the main remote termination and be modulated into light signal, uplink optical signal is sent to main near-end machine through optical fiber, main near-end machine receives that carrying out the conversion of light/electricity behind the uplink optical signal that main remote termination sends here demodulates upward signal; The upward signal that a plurality of travelling carriages (mobile phone) in extended distal end machine 1 overlay area send is transferred to the cover antenna of extended distal end machine 1 through the space, the antenna receiving signal of extended distal end machine 1 is after after the up radio-frequency module amplification of low noise amplification module and far-end, send out module by the light in the extended distal end machine 1 and be modulated into light signal, through optical fiber uplink optical signal is sent to expansion near-end machine 1, expansion near-end machine 1 receives that carrying out the conversion of light/electricity behind the uplink optical signal that extended distal end machine 1 sends here demodulates upward signal; The upward signal that a plurality of travelling carriages (mobile phone) in extended distal end machine 2 overlay areas send is transferred to the cover antenna of extended distal end machine 2 through the space, the antenna receiving signal of extended distal end machine 2 is after after the up radio-frequency module amplification of low noise amplification module and far-end, send out module by the light in the extended distal end machine 2 and be modulated into light signal, through optical fiber uplink optical signal is sent to expansion near-end machine 2, expansion near-end machine 2 receives that carrying out the conversion of light/electricity behind the uplink optical signal that extended distal end machine 2 sends here demodulates upward signal; The upward signal that a plurality of travelling carriages (mobile phone) in extended distal end machine 3 overlay areas send is transferred to the cover antenna of extended distal end machine 3 through the space, the antenna receiving signal of extended distal end machine 3 is after after the up radio-frequency module amplification of low noise amplification module and far-end, send out module by the light in the extended distal end machine 3 and be modulated into light signal, through optical fiber uplink optical signal is sent to expansion near-end machine 3, expansion near-end machine 3 receives that carrying out the conversion of light/electricity behind the uplink optical signal that extended distal end machine 3 sends here demodulates upward signal, this upward signal is by the zero-decrement radio frequency deciliter road uplink module that enters in the expansion near-end machine 2 of the radio frequency deciliter road uplink module in the expansion near-end machine 3, after closing the road by the radio frequency deciliter road uplink module in the expansion near-end machine 2, the upward signal that demodulates with expansion near-end machine 2 enters expansion near-end machine 1, this closes the road upward signal and closes the laggard near-end machine of becoming owner of in road with the upward signal of expanding 1 demodulation of near-end machine by a radio frequency deciliter road uplink module of expanding near-end machine 1, after closing the road with the upward signal of the main expansion near-end machine demodulation radio frequency deciliter road uplink module by main near-end machine, sum total road signal is selected upward signal through the near-end duplexer, by coupler upward signal is delivered to the base station respectively at last.Like this, the optical fiber repeater by this radio frequency deciliter road just can be grown communicating by letter with setting up between the travelling carriage in a plurality of areas of coverage (mobile phone) and the base station with of distance, has enlarged the coverage of base station.
Claims (8)
1. one of a radio frequency deciliter road drag many optical fiber repeaters, comprise the main near-end machine that is connected, main remote termination, main near-end machine is connected with the mobile communication base station by coupler; It is characterized in that: comprise expansion near-end machine, extended distal end machine, described main near-end machine directly is connected by optical fiber with main remote termination, and described expansion near-end machine directly is connected by optical fiber with the extended distal end machine; Described main near-end machine is connected by cable with expansion near-end machine.
2. many optical fiber repeaters are dragged on one of radio frequency according to claim 1 deciliter road, it is characterized in that: described main near-end machine is connected with a radio frequency deciliter road module in the expansion near-end machine by its inner radio frequency deciliter road module; Each is expanded the near-end machine and also interconnects one by one by its inner radio frequency deciliter road module.
3. many optical fiber repeaters are dragged on one of radio frequency according to claim 1 deciliter road, it is characterized in that: described main near-end machine directly is connected by a pair of optical fiber with main remote termination.
4. many optical fiber repeaters are dragged on one of radio frequency according to claim 1 deciliter road, it is characterized in that: described expansion near-end machine is connected by a pair of optical fiber with the extended distal end machine is corresponding one by one.
5. many optical fiber repeaters are dragged on one of radio frequency according to claim 1 deciliter road, it is characterized in that: described main near-end machine comprises the near-end duplexer, near-end downlink radio frequency module, radio frequency deciliter road downstream module, radio frequency deciliter road uplink module, the up radio-frequency module of near-end, light is sent out module, light is received module, described near-end duplexer is connected with the up radio-frequency module of near-end with near-end downlink radio frequency module simultaneously, described near-end downlink radio frequency module is connected with a radio frequency deciliter road downstream module, the radio frequency deciliter road downstream module that the output while and the light of described radio frequency deciliter road downstream module is sent out module and expansion near-end machine is connected, the up radio-frequency module of described near-end is connected with a radio frequency deciliter road uplink module, and the radio frequency deciliter road uplink module receiving module with light in the time of the input of described radio frequency deciliter road uplink module and expand the near-end machine is connected.
6. many optical fiber repeaters are dragged on one of radio frequency according to claim 1 deciliter road, it is characterized in that: described expansion near-end machine comprises that radio frequency deciliter road downstream module, radio frequency deciliter road uplink module, light are sent out module, light is received module; The radio frequency deciliter road downstream module that the output while and the light of the radio frequency of described expansion near-end machine deciliter road downstream module are sent out the expansion near-end machine of module and next stage is connected; The radio frequency deciliter road uplink module that the output while and the light of the radio frequency of described expansion near-end machine deciliter road uplink module are sent out the expansion near-end machine of module and next stage is connected.
7. many optical fiber repeaters are dragged on one of radio frequency according to claim 1 deciliter road, it is characterized in that: described main remote termination comprises light receipts module, far-end downlink radio frequency module, power amplifier module, the far-end duplexer, light is sent out module, the up radio-frequency module of far-end, the low noise amplification module, described light is received module and is connected with far-end downlink radio frequency module, described far-end downlink radio frequency module is connected with power amplifier module, described far-end duplexer is connected with the low noise amplification module with power amplifier module simultaneously, described light is sent out module and is connected with the up radio-frequency module of far-end, and the up radio-frequency module of described far-end is connected with the low noise amplification module; The structure of described extended distal end machine is identical with the structure of main remote termination.
8. many optical fiber repeaters are dragged on one of radio frequency according to claim 1 deciliter road, it is characterized in that: the quantity of described expansion near-end machine is 1～15.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2006201552984U CN201039141Y (en) | 2006-12-26 | 2006-12-26 | A RF integration channel one-drive-multiple optical fiber repeater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2006201552984U CN201039141Y (en) | 2006-12-26 | 2006-12-26 | A RF integration channel one-drive-multiple optical fiber repeater |
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| CN201039141Y true CN201039141Y (en) | 2008-03-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNU2006201552984U Expired - Fee Related CN201039141Y (en) | 2006-12-26 | 2006-12-26 | A RF integration channel one-drive-multiple optical fiber repeater |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015085572A1 (en) * | 2013-12-13 | 2015-06-18 | 华为技术有限公司 | Distributed antenna system and master block |
| CN107425902A (en) * | 2017-05-12 | 2017-12-01 | 京信通信系统（中国）有限公司 | Cell capacity-enlarging device, system and method |
| CN111162863A (en) * | 2019-12-31 | 2020-05-15 | 京信通信系统（中国）有限公司 | Access network device and data processing method |
-
2006
- 2006-12-26 CN CNU2006201552984U patent/CN201039141Y/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015085572A1 (en) * | 2013-12-13 | 2015-06-18 | 华为技术有限公司 | Distributed antenna system and master block |
| CN105229930A (en) * | 2013-12-13 | 2016-01-06 | 华为技术有限公司 | Distributing antenna system and near-end machine |
| CN107425902A (en) * | 2017-05-12 | 2017-12-01 | 京信通信系统（中国）有限公司 | Cell capacity-enlarging device, system and method |
| CN107425902B (en) * | 2017-05-12 | 2020-03-24 | 京信通信系统（中国）有限公司 | Cell capacity expansion device, system and method |
| CN111162863A (en) * | 2019-12-31 | 2020-05-15 | 京信通信系统（中国）有限公司 | Access network device and data processing method |
| CN111162863B (en) * | 2019-12-31 | 2022-09-30 | 京信网络系统股份有限公司 | Access network device and data processing method |
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| C14 | Grant of patent or utility model | ||
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080319 Termination date: 20131226 |