CN204305357U - A kind of LTE based on catv network registers one's residence the hardware structure of covering system - Google Patents
A kind of LTE based on catv network registers one's residence the hardware structure of covering system Download PDFInfo
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- CN204305357U CN204305357U CN201420750686.1U CN201420750686U CN204305357U CN 204305357 U CN204305357 U CN 204305357U CN 201420750686 U CN201420750686 U CN 201420750686U CN 204305357 U CN204305357 U CN 204305357U
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Abstract
The utility model discloses a kind of LTE based on catv network to register one's residence the hardware structure of covering system, comprise near-end unit and far-end unit.After LTE signal and CATV signal are closed road by this system and decile outputting multiplex signals, and utilize original CATV coaxial cable to carry out Signal transmissions, not affecting original catv network signal, LTE mobile network signals being amplified simultaneously, realizing the covering of registering one's residence of LTE mobile network signals.This system overcomes traditional indoor distributed system engineering time long, the construction difficult problems such as property difficult coordination; The register one's residence hardware structure building time of hardware structure of covering system of this LTE is short, cost is low, LTE mobile network signals enters indoor by original CATV coaxial cable and covers, thus the difficult problem such as the ping-pong of solution internal home network signal existence and pilot pollution, improve the perceptibility of user.
Description
Technical field
The utility model belongs to Wireless Telecom Equipment technical field, is specifically related to a kind of LTE based on catv network and registers one's residence the hardware structure of covering system.
Background technology
There is CATV signal in existing community, hotel, hotel, and the general CATV of employing coaxial cable realizes CATV signal and realizes registering one's residence covering; And traditional room subsystem is not all registered one's residence covering, antenna is all on house doorway, and signal is serious by decay during body of wall, causes indoor signal and extraneous signal field intensity to be more or less the same, and produces ping-pong and pilot pollution, has a strong impact on the perception of user.
Therefore need badly and propose a kind of LTE based on catv network and to register one's residence the hardware structure of covering system, original CATV coaxial cable is utilized to carry out Signal transmissions, realize the covering of LTE signal, solve ping-pong and the pilot pollution of mobile network signals, improve the perception of user.
Summary of the invention
The purpose of this utility model is to provide a kind of LTE based on catv network and registers one's residence the hardware structure of covering system.
The utility model realizes by the following technical solutions: a kind of LTE based on catv network registers one's residence the hardware structure of covering system, comprise LTE base station, catv network unit and CATV coaxial cable, it is characterized in that: one end of described near-end unit is provided with two interfaces, one interface is connected with catv network unit, and another interface is connected with LTE base station; The other end of described near-end unit is provided with plurality of interfaces, is connected with far-end unit respectively by CATV coaxial cable; Described far-end unit be provided with an interface, be connected with near-end unit by CATV coaxial cable; The other end of described far-end unit is provided with two interfaces, and an interface is connected with TV or Set Top Box by CATV coaxial cable, and another interface is connected with LTE antenna.
In utility model one embodiment, described near-end unit comprises near-end wave filter and shunt; Described near-end wave filter is connected with described shunt; The first input end of described near-end wave filter is connected with LTE base station, and the second input of described near-end wave filter is connected with catv network unit, and the output of described near-end wave filter is connected with one end of described shunt; The other end of described shunt is connected with one end of described CATV coaxial cable.
In the another embodiment of the utility model, described far-end unit comprises far-end wave filter, a LTE duplexer, LTE amplifier, LTE low-noise amplifier and the 2nd LTE duplexer; The input of described far-end wave filter is connected with the other end of described CATV coaxial cable, first output of described far-end wave filter is connected with the input of a described LTE duplexer, and the second output of described far-end wave filter is connected with described television set or Set Top Box; The input of LTE amplifier described in the output termination of a described LTE duplexer; The input of the 2nd LTE duplexer described in the output termination of described LTE amplifier; First of described 2nd LTE duplexer exports the input of LTE low-noise amplifier described in termination, and the second output of described 2nd LTE duplexer is connected with LTE antenna; The input of a LTE duplexer described in the output termination of described low-noise amplifier.
The utility model discloses a kind of LTE based on catv network to register one's residence the hardware structure of covering system, comprise near-end unit and far-end unit.This LTE registers one's residence the hardware structure of covering system, after LTE signal and CATV signal are closed road and decile outputting multiplex signals, and utilize original CATV coaxial cable to carry out Signal transmissions, do not affecting original catv network signal, LTE mobile network signals is amplified simultaneously, realize the covering of registering one's residence of LTE mobile network signals.Overcome traditional indoor distributed system engineering time long, the construction difficult problems such as property difficult coordination; The register one's residence hardware structure building time of covering system of this LTE is short, cost is low, LTE mobile network signals enters indoor by original CATV coaxial cable and covers, thus the difficult problem such as the ping-pong of solution internal home network signal existence and pilot pollution, improve the perceptibility of user.
Accompanying drawing explanation
Fig. 1 is that a kind of LTE based on catv network registers one's residence the hardware structure theory diagram of covering system.
Fig. 2 is that a kind of LTE based on catv network registers one's residence the hardware structure near-end unit theory diagram of covering system.
Fig. 3 is that a kind of LTE based on catv network registers one's residence the hardware structure far-end unit schematic diagram of covering system.
Fig. 4 is that a kind of LTE based on catv network registers one's residence the hardware structure near-end wave filter of covering system and far-end wave filter catenation principle block diagram.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
Theory diagram of the present utility model is see Fig. 1.The utility model provides a kind of LTE based on catv network hardware structure of registering one's residence covering system, this system comprises LTE base station, catv network unit and CATV coaxial cable, it is characterized in that: one end of described near-end unit is provided with two interfaces, one interface is connected with catv network unit, and another interface is connected with LTE base station; The other end of described near-end unit is provided with plurality of interfaces, is connected with far-end unit respectively by CATV coaxial cable; Described far-end unit be provided with an interface, be connected with near-end unit by CATV coaxial cable; The other end of described far-end unit is provided with two interfaces, and an interface is connected with TV or Set Top Box by CATV coaxial cable, and another interface is connected with LTE antenna.The theory diagram of near-end unit is see Fig. 2.Near-end unit comprises near-end wave filter and shunt; Described near-end wave filter is connected with described shunt.Wave filter, shunt are connected composition downlink; Described shunt, wave filter are connected composition up-link.
The theory diagram of far-end unit is see Fig. 3.Far-end unit is made up of far-end wave filter, LTE duplexer 1, LTE amplifier, LTE low-noise amplifier, LTE duplexer 2; The output of described far-end wave filter connects LTE duplexer 1; The output of LTE duplexer 1 connects the input of LTE amplifier; The output of LTE amplifier connects the input of LTE duplexer 2; The output of LTE duplexer 2 connects the input of LTE low-noise amplifier; The output of LTE low-noise amplifier connects the input of LTE duplexer 1.LTE duplexer 2, LTE low-noise amplifier, LTE duplexer 1, far-end wave filter composition LTE uplink road, far-end wave filter, LTE duplexer 1, LTE amplifier, LTE duplexer 2 form LTE downlink road.
Fig. 4 is that a kind of LTE based on catv network registers one's residence the hardware structure near-end wave filter of covering system and far-end wave filter catenation principle block diagram.Shunt and far-end wave filter composition downlink: shunt is by CATV signal and the even signal being divided into multichannel same level of LTE signal, original CATV coaxial cable is utilized to be sent to far-end wave filter, CATV signal and LTE signal are carried out filtering and are separated by far-end wave filter, LTE signal is sent to LTE duplexer and enters LTE amplifying circuit, and CATV signal connects original television set.Up-link: CATV signal and LTE signal are carried out filtering and close road by far-end wave filter, and utilize original CATV coaxial cable to be sent to shunt, CATV signal and LTE signal are sent to combiner by shunt.
In the utility model specific embodiment, the operation principle of whole system comprises downlink portion and uplink portion.
The operation principle of downlink portion: the downlink radio-frequency signal of near-end element coupling LTE base station or base station zoom out system, CATV signal and LTE downlink radio-frequency signal carry out entering shunt after road is closed in filtering through near-end wave filter, shunt is by CATV signal and LTE downlink radio-frequency signal decile and outputting multiplex signals, far-end wave filter is sent to through CATV coaxial cable, LTE signal is separated with CATV signal filtering by far-end wave filter, LTE signal enters LTE amplifier through LTE duplexer 1, the area of coverage is covered by retransmitting antenna through duplexer 2 after carrying out power amplification, CATV signal connects TV or Set Top Box.
The operation principle of uplink portion: the upstream radio-frequency signal received from retransmitting antenna enters through LTE duplexer 2 and enters far-end wave filter through LTE duplexer 1 after LTE low-noise amplifier carries out up low noise amplification and carry out filtering and close device, shunt is sent to through CATV coaxial cable, shunt is sent to near-end wave filter after the CATV signal of multichannel and LTE signal are closed road, near-end wave filter is separated with LTE signal filtering CATV signal, LTE signal is sent out supplementary biography and is delivered to LTE base station or base station zoom out system after filtering, CATV signal returns catv network unit.
It should be noted last that, above detailed description of the invention is only in order to illustrate the technical solution of the utility model and unrestricted, although be described in detail the utility model with reference to preferred embodiment, those of ordinary skill in the art is to be understood that, can modify to the technical solution of the utility model or equivalent replacement, and not departing from the spirit and scope of technical solutions of the utility model, it all should be encompassed in the middle of right of the present utility model.
Claims (3)
1. to register one's residence based on the LTE of catv network the hardware structure of covering system, comprise LTE base station, catv network unit and CATV coaxial cable, it is characterized in that: also comprise near-end unit and far-end unit; One end of described near-end unit is provided with two interfaces, and an interface is connected with catv network unit, and another interface is connected with LTE base station; The other end of described near-end unit is provided with plurality of interfaces, is connected with far-end unit respectively by CATV coaxial cable; Described far-end unit be provided with an interface, be connected with near-end unit by CATV coaxial cable; The other end of described far-end unit is provided with two interfaces, and an interface is connected with TV or Set Top Box by CATV coaxial cable, and another interface is connected with LTE antenna.
2. the LTE based on catv network according to claim 1 registers one's residence the hardware structure of covering system, it is characterized in that: described near-end unit comprises near-end wave filter and shunt; The first input end of described near-end wave filter is connected with LTE base station, and the second input of described near-end wave filter is connected with catv network unit, and the output of described near-end wave filter is connected with one end of described shunt; The other end of described shunt is connected with one end of described CATV coaxial cable.
3. the LTE based on catv network according to claim 1 registers one's residence the hardware structure of covering system, it is characterized in that: described far-end unit comprises far-end wave filter, a LTE duplexer, LTE amplifier, LTE low-noise amplifier and the 2nd LTE duplexer; The input of described far-end wave filter is connected with the other end of described CATV coaxial cable, first output of described far-end wave filter is connected with the input of a described LTE duplexer, and the second output of described far-end wave filter is connected with described television set or Set Top Box; The input of LTE amplifier described in the output termination of a described LTE duplexer; The input of the 2nd LTE duplexer described in the output termination of described LTE amplifier; First of described 2nd LTE duplexer exports the input of LTE low-noise amplifier described in termination, and the second output of described 2nd LTE duplexer is connected with LTE antenna; The input of a LTE duplexer described in the output termination of described low-noise amplifier.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109257099A (en) * | 2018-10-30 | 2019-01-22 | 中邮科通信技术股份有限公司 | LTE double channel optical fiber based on catv network, which zooms out to register one's residence, covers system and method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109257099A (en) * | 2018-10-30 | 2019-01-22 | 中邮科通信技术股份有限公司 | LTE double channel optical fiber based on catv network, which zooms out to register one's residence, covers system and method |
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