CN203632663U - LTE double-channel transmission device - Google Patents
LTE double-channel transmission device Download PDFInfo
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- CN203632663U CN203632663U CN201320764074.3U CN201320764074U CN203632663U CN 203632663 U CN203632663 U CN 203632663U CN 201320764074 U CN201320764074 U CN 201320764074U CN 203632663 U CN203632663 U CN 203632663U
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Abstract
The utility model relates to an LTE double-channel transmission device. The LTE double-channel transmission device is characterized by comprising a base station, a near-end unit and a far-end unit, wherein one end of the near-end unit is connected with the base station, and the other end is connected with the far-end unit via an optical fiber; the far-end unit comprises a first retransmission antenna and a second retransmission antenna, and is used to enable a coverage area to be covered by a pulled far and amplified radio frequency signal. The LTE double-channel transmission device of the utility model enables an LTE double-channel signal to be combined and shunted by a photoelectric/electro-optical conversion technology and a wavelength division multiplexing technology, so that the LTE double-channel signal is transmitted on the same optical fiber, and accordingly, the optical fiber resource is saved, and a downloading speed of an LTE double-channel mode is guaranteed. The LTE double-channel transmission device has the characteristics of being small in size and stable in performance, being simple to install and convenient to construct, having small influence on a network, etc.
Description
Technical field
The utility model relates to wireless communication technology field, especially a kind of LTE binary channels transmission equipment.
Background technology
2G, 3G mobile communication technology is all to adopt SISO(single-input single-output system) technology, it is single channel system, 4G mobile communication technology LTE adopts MIMO(multi-input multi-output system) technology, it is dual channel system, the downloading rate of dual channel system is 2 times of single channel system, and traditional radio-frequency (RF) transmission system is single pass, realize binary channels transmission and need two two optical fiber of complete equipment, installation site to equipment and fiber resource all cause very large waste, difficulty of construction is larger, a kind of LTE binary channels transmission method and the equipment that the utility model proposes, utilize photoelectricity/electric light switch technology and light WDM technology to close road and shunt to LTE two-way signal, LTE double-channel signal is transmitted on an optical fiber, save fiber resource, and guarantee the downloading rate of LTE dual channel mode.
Utility model content
In view of this, the purpose of this utility model is to provide a kind of LTE binary channels transmission equipment, and LTE double-channel signal is transmitted on an optical fiber, has saved fiber resource, and has guaranteed the downloading rate of LTE dual channel mode.
The utility model adopts following scheme to realize: a kind of LTE binary channels transmission equipment, it is characterized in that: comprise a base station, a near-end unit and a far-end unit, one end of described near-end unit is connected with described base station, the other end of described near-end unit is connected with described far-end unit by optical fiber, described far-end unit comprises one first retransmitting antenna and one second retransmitting antenna, in order to the radiofrequency signal zooming out after amplification is covered the area of coverage.
In the utility model one embodiment, described near-end unit comprises a first duplexer, one second duplexer, one first laser, a second laser, a first detector, a second detector, one first light wavelength division multiplexing, described first duplexer connects described the first laser and described first detector, described the second duplexer connects described second laser and described second detector, and described the first laser, described first detector, described second laser and described second detector are connected described the first light wavelength division multiplexing.
In the utility model one embodiment, described far-end unit comprises one second light wavelength division multiplexing, one the 3rd laser, one the 4th laser, one third detector, one the 4th wave detector, one first power amplifier low noise integrated module, one second power amplifier low noise integrated module, one the 3rd duplexer and one the 4th duplexer, described the second light wavelength division multiplexing connects described the 3rd laser, described third detector, described the 4th laser and described the 4th wave detector, described the 3rd laser is connected described the first power amplifier low noise integrated module with described third detector, described the first power amplifier low noise integrated module connects described the 3rd duplexer, described the 3rd duplexer connects described the first retransmitting antenna, described the 4th laser is connected described the second power amplifier low noise integrated module with described the 4th wave detector, described the second power amplifier low noise integrated module connects described the 4th duplexer, described the 4th duplexer connects described the second retransmitting antenna.
In the utility model one embodiment, a base station zoom out system equivalent substitution for described base station.
In the utility model one embodiment, described base station is LTE binary channels base station.
The utility model utilizes photoelectricity/electric light switch technology and light WDM technology to close road and shunt to LTE two-way signal, LTE double-channel signal is transmitted on an optical fiber, save fiber resource, and guaranteed the downloading rate of LTE dual channel mode, have that equipment volume is little, stable performance, little to web influence, the features such as simple, easy construction, networking capability be strong are installed.
For making the purpose of this utility model, technical scheme and advantage clearer, below will, by specific embodiment and relevant drawings, the utility model be described in further detail.
Accompanying drawing explanation
Fig. 1 is near-end of the present utility model unit principle framework figure.
Fig. 2 is far-end unit principle framework figure of the present utility model.
Fig. 3 is near-end of the present utility model unit and far-end unit catenation principle frame diagram.
Embodiment
The utility model provides a kind of LTE binary channels transmission equipment, comprise a base station, a near-end unit and a far-end unit, one end of described near-end unit is connected with described base station, the other end of described near-end unit is connected with described far-end unit by optical fiber, described far-end unit comprises one first retransmitting antenna and one second retransmitting antenna, in order to the radiofrequency signal zooming out after amplification is covered the area of coverage.Preferably, described base station can be with a base station zoom out system equivalent substitution; Described base station is LTE binary channels base station, and now base station zoom out system synchronously changes to LTE binary channels base station zoom out system.
As shown in Figure 1, described near-end unit comprises a first duplexer, one second duplexer, one first laser, a second laser, a first detector, a second detector, one first light wavelength division multiplexing, described first duplexer connects described the first laser and described first detector, described the second duplexer connects described second laser and described second detector, and described the first laser, described first detector, described second laser and described second detector are connected described the first light wavelength division multiplexing.
Described the first laser and second laser are converted to the LTE-1 of base station and LTE-2 downlink radio-frequency signal respectively the light signal of different wave length, after closing road, the first light wavelength division multiplexing is transferred to far-end unit, the light signal that described the first light wavelength division multiplexing also resolves into two-way different wave length for the light signal that far-end unit is transmitted sends respectively first detector and second detector to, and first detector and second detector are converted to light signal respectively the up radiofrequency signal of LTE-1 and LTE-2.
As shown in Figure 2, described far-end unit comprises one second light wavelength division multiplexing, one the 3rd laser, one the 4th laser, one third detector, one the 4th wave detector, one first power amplifier low noise integrated module, one second power amplifier low noise integrated module, one the 3rd duplexer and one the 4th duplexer, described the second light wavelength division multiplexing connects described the 3rd laser, described third detector, described the 4th laser and described the 4th wave detector, described the 3rd laser is connected described the first power amplifier low noise integrated module with described third detector, described the first power amplifier low noise integrated module connects described the 3rd duplexer, described the 3rd duplexer connects described the first retransmitting antenna, described the 4th laser is connected described the second power amplifier low noise integrated module with described the 4th wave detector, described the second power amplifier low noise integrated module connects described the 4th duplexer, described the 4th duplexer connects described the second retransmitting antenna.
The light signal that described the second light wavelength division multiplexing light signal that nearly end unit transmits resolves into two-way different wave length sends respectively third detector and the 4th wave detector to, third detector and the 4th wave detector are converted to light signal respectively LTE-1 and the LTE-2 downlink radio-frequency signal of base station, enter respectively the first power amplifier low noise integrated module and the second power amplifier low noise integrated module, be amplified into the 3rd duplexer, the 4th duplexer through power amplification circuit, through the first retransmitting antenna, the second retransmitting antenna, the area of coverage covered, the first retransmitting antenna, the LTE-1 that the second retransmitting antenna receives, the two-way upward signal of LTE-2 is respectively through the 3rd duplexer, the 4th duplexer enters the first power amplifier low noise integrated module, the second power amplifier low noise integrated module, after amplifying, low noise amplifier circuit enters respectively the 3rd laser, the 4th laser, the 3rd laser, the 4th laser is respectively by LTE-1, the up radiofrequency signal of LTE-2 is converted to the light signal of different wave length, enter the second light wavelength division multiplexing, the second light wavelength division multiplexing is delivered to near-end unit by optical fiber transmission after the light signal of different wave length is closed to road.
Below in conjunction with hardware configuration of the present utility model and accompanying drawing, an embodiment of the utility model total system is described:
As shown in Figure 3, the first light wavelength division multiplexing of described near-end unit and the second light wavelength division multiplexing of described far-end unit are connected by optical fiber.
Down link is: near-end unit is from base station (or base station zoom out system) coupling LTE two-way downlink radio-frequency signal, enter the first laser and second laser through first duplexer and the second duplexer respectively, the light signal that is converted to different wave length through electricity/light change-over circuit enters the first light wavelength division multiplexing, and the first light wavelength division multiplexing arrives far-end unit through Optical Fiber Transmission after the light signal of different wave length is closed to road, far-end unit receives the light signal that near-end unit transmits, the light signal that is decomposed into different wave length through the second light wavelength division multiplexing enters third detector and the 4th wave detector, the light signal of different wave length is converted to LTE-1 for third detector and the 4th wave detector and LTE-2 downlink radio-frequency signal enters the first power amplifier low noise integrated module and the second power amplifier low noise integrated module, be amplified into the 3rd duplexer and the 4th duplexer through the power amplification circuit of the first power amplifier low noise integrated module and the second power amplifier low noise integrated module, through the first retransmitting antenna and the second retransmitting antenna, the area of coverage is covered.
Up link is: the LTE-1 that the first retransmitting antenna and the second retransmitting antenna receive and the two-way upward signal of LTE-2 enter the first power amplifier low noise integrated module and the second power amplifier low noise integrated module through the 3rd duplexer and the 4th duplexer, be amplified into the 3rd laser and the 4th laser through low noise amplifier circuit, the 3rd laser and the 4th laser are converted to the up radiofrequency signal of LTE-1 and LTE-2 the light signal of different wave length, enter the second light wavelength division multiplexing, the second light wavelength division multiplexing is delivered to near-end unit by optical fiber transmission after the light signal of different wave length is closed to road, the light signal that the light signal that the first light wavelength division multiplexing transmits far-end unit is decomposed into different wave length enters first detector and second detector, the light signal of different wave length is converted to LTE-1 and the up radiofrequency signal of LTE-2 by first detector and second detector, transfers back to LTE binary channels base station (or base station zoom out system) interface through first duplexer and the second duplexer.
Above-listed preferred embodiment; the purpose of this utility model, technical scheme and advantage are further described; institute is understood that; the foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection range of the present utility model.
Claims (5)
1. a LTE binary channels transmission equipment, it is characterized in that: comprise a base station, a near-end unit and a far-end unit, one end of described near-end unit is connected with described base station, the other end of described near-end unit is connected with described far-end unit by optical fiber, described far-end unit comprises one first retransmitting antenna and one second retransmitting antenna, in order to the radiofrequency signal zooming out after amplification is covered the area of coverage.
2. a kind of LTE binary channels transmission equipment according to claim 1, it is characterized in that: described near-end unit comprises a first duplexer, one second duplexer, one first laser, one second laser, one first detector, one second detector, one first light wavelength division multiplexing, described first duplexer connects described the first laser and described first detector, described the second duplexer connects described second laser and described second detector, described the first laser, described first detector, described second laser is connected described the first light wavelength division multiplexing with described second detector.
3. a kind of LTE binary channels transmission equipment according to claim 1, it is characterized in that: described far-end unit comprises one second light wavelength division multiplexing, one the 3rd laser, one the 4th laser, one third detector, one the 4th wave detector, one first power amplifier low noise integrated module, one second power amplifier low noise integrated module, one the 3rd duplexer and one the 4th duplexer, described the second light wavelength division multiplexing connects described the 3rd laser, described third detector, described the 4th laser and described the 4th wave detector, described the 3rd laser is connected described the first power amplifier low noise integrated module with described third detector, described the first power amplifier low noise integrated module connects described the 3rd duplexer, described the 3rd duplexer connects described the first retransmitting antenna, described the 4th laser is connected described the second power amplifier low noise integrated module with described the 4th wave detector, described the second power amplifier low noise integrated module connects described the 4th duplexer, described the 4th duplexer connects described the second retransmitting antenna.
4. a kind of LTE binary channels transmission equipment according to claim 1, is characterized in that: a base station zoom out system equivalent substitution for described base station.
5. a kind of LTE binary channels transmission equipment according to claim 1, is characterized in that: described base station is LTE binary channels base station.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320764074.3U CN203632663U (en) | 2013-11-29 | 2013-11-29 | LTE double-channel transmission device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320764074.3U CN203632663U (en) | 2013-11-29 | 2013-11-29 | LTE double-channel transmission device |
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| CN203632663U true CN203632663U (en) | 2014-06-04 |
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| CN201320764074.3U Expired - Lifetime CN203632663U (en) | 2013-11-29 | 2013-11-29 | LTE double-channel transmission device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104393924A (en) * | 2014-12-16 | 2015-03-04 | 福建师范大学 | LTE (Long Term Evolution) two-channel digital optical fiber remote home-entry coverage system |
| CN105429708A (en) * | 2015-12-17 | 2016-03-23 | 中邮科通信技术股份有限公司 | LTE (Long Term Evolution) double-channel fiber remote home-entry covering method |
| CN105490744A (en) * | 2015-12-17 | 2016-04-13 | 中邮科通信技术股份有限公司 | LTE dual-channel fiber remote household coverage system |
-
2013
- 2013-11-29 CN CN201320764074.3U patent/CN203632663U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104393924A (en) * | 2014-12-16 | 2015-03-04 | 福建师范大学 | LTE (Long Term Evolution) two-channel digital optical fiber remote home-entry coverage system |
| CN104393924B (en) * | 2014-12-16 | 2017-11-10 | 福建师范大学 | A kind of LTE two-channel digitals fiber optic stretch is registered one's residence covering system |
| CN105429708A (en) * | 2015-12-17 | 2016-03-23 | 中邮科通信技术股份有限公司 | LTE (Long Term Evolution) double-channel fiber remote home-entry covering method |
| CN105490744A (en) * | 2015-12-17 | 2016-04-13 | 中邮科通信技术股份有限公司 | LTE dual-channel fiber remote household coverage system |
| CN105490744B (en) * | 2015-12-17 | 2018-01-23 | 中邮科通信技术股份有限公司 | A kind of LTE double channel optical fibers zoom out covering system of registering one's residence |
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Granted publication date: 20140604 |