CN213637724U - 5G enhanced outdoor extension coverage system - Google Patents
5G enhanced outdoor extension coverage system Download PDFInfo
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- CN213637724U CN213637724U CN202023332753.2U CN202023332753U CN213637724U CN 213637724 U CN213637724 U CN 213637724U CN 202023332753 U CN202023332753 U CN 202023332753U CN 213637724 U CN213637724 U CN 213637724U
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- power amplifier
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- frequency switch
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Abstract
The utility model discloses an outdoor extension of 5G enhancement mode covers system, including donor antenna and retransmission antenna, the first SPDT radio frequency switch of being connected with the donor antenna, the wave filter of being connected with the retransmission antenna, the second SPDT radio frequency switch of being connected with the wave filter, connect the first low noise power amplifier down between first SPDT radio frequency switch and second SPDT radio frequency switch after connecting gradually, first attenuator and the second low noise power amplifier down, connect the first low noise power amplifier that goes upward between first SPDT radio frequency switch and second SPDT radio frequency switch after connecting gradually, second attenuator and second go upward low noise power amplifier, and go upward the synchronization module that low noise power amplifier is connected with the second. Through the proposal, the utility model has the advantages of simple structure, equipment input low cost, communication are reliable, have very high practical value and spreading value in 5G communication technology field.
Description
Technical Field
The utility model belongs to the technical field of the 5G communication technology and specifically relates to an outdoor extension overlay system of 5G enhancement mode.
Background
With the spread of 5G network construction, the frequency of 5G is higher than that of 2G \3G \4G, and the signal is seriously attenuated by the blockage of a building, so that the 5G network signal has blind areas or weak coverage areas in a plurality of areas. In the prior art, the problem is solved by main equipment manufacturers (Huashi, Zhongxing) through base station remote equipment, and the scheme has high equipment cost (the cost of a single station is about 10 ten thousand, and the cost of an EOCS system is low), high construction difficulty (the remote equipment needs to be newly built with a transmission line, and optical cables cannot be arranged in some construction areas) and high power consumption (the remote equipment has the power consumption of about 500 watts, and the power consumption is high, and the power consumption of the EOCS system is 150W);
therefore, it is urgently needed to provide a 5G enhanced outdoor extended coverage system (EOCS) with simple structure, low power consumption and full coverage.
SUMMERY OF THE UTILITY MODEL
To the above problem, an object of the utility model is to provide an outdoor extension overlay system of 5G enhancement mode, the utility model discloses a technical scheme as follows:
a G enhanced outdoor extension coverage system comprises a donor antenna, a retransmission antenna, a first SPDT radio frequency switch connected with the donor antenna, a filter connected with the retransmission antenna, a second SPDT radio frequency switch connected with the filter, a first downlink low noise power amplifier, a first attenuator, a second downlink low noise power amplifier, a first uplink low noise power amplifier, a second attenuator, a second uplink low noise power amplifier and a synchronization module, wherein the first downlink low noise power amplifier, the first attenuator and the second downlink low noise power amplifier are connected between the first SPDT radio frequency switch and the second SPDT radio frequency switch after being sequentially connected, and the synchronization module is connected with the second uplink low noise power amplifier.
Preferably, the donor antenna is a log periodic antenna and the retransmission antenna is a plate antenna.
Compared with the prior art, the utility model discloses following beneficial effect has:
(1) the utility model discloses a donor antenna receives donor basic station 5G signal after, transmits radio frequency signal through first SPDT radio frequency switch, enlargies 5G signal up-and-down going respectively through going up low noise power amplifier and down low noise power amplifier, and the regulation of power can be carried out through the attenuator to the amplified power, and then carries out the clock through the synchronization module and steps; the utility model filters out the interference signal through the filter, and finally transmits the amplified 5G signal through the retransmission antenna;
(2) the utility model can effectively solve the problems of incapability of laying optical cables, serious shielding and the like of weak signal coverage in scenes, reduce the construction cost of operators and reduce the later maintenance cost;
to sum up, the utility model has the advantages of simple structure, equipment input low cost, communication are reliable, have very high practical value and spreading value in 5G communication technology field.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as a limitation of the scope of protection, and for those skilled in the art, other related drawings may be obtained from these drawings without inventive effort.
Fig. 1 is a schematic structural diagram of the present invention.
In the drawings, the names of the parts corresponding to the reference numerals are as follows:
1. a donor antenna; 2. a first SPDT radio frequency switch; 3. a first downstream low noise power amplifier; 4. a first uplink low noise power amplifier; 5. a first attenuator; 6. a second attenuator; 7. a second downlink low noise power amplifier; 8. a synchronization module; 9. a second uplink low noise power amplifier; 10. a second SPDT radio frequency switch; 11. a filter; 12. and a retransmission antenna.
Detailed Description
To make the objectives, technical solutions and advantages of the present application more clear, the present invention will be further described with reference to the accompanying drawings and examples, and embodiments of the present invention include, but are not limited to, the following examples. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
Examples
As shown in fig. 1, the present embodiment provides a 5G enhanced outdoor extended coverage system. In the present embodiment, the terms "first", "second", and the like are used only for distinguishing the similar components, and are not to be construed as limiting the scope of protection.
In this embodiment, the 5G enhanced outdoor extension coverage system includes a donor antenna 1 of a log-periodic antenna and a retransmission antenna 12 of a plate antenna, a first SPDT radio frequency switch 2 connected to the donor antenna 1, a filter 11 connected to the retransmission antenna 12, a second SPDT radio frequency switch 10 connected to the filter 11, a first downlink low noise power amplifier 3, a first attenuator 5, and a second downlink low noise power amplifier 7 connected in sequence between the first SPDT radio frequency switch 2 and the second SPDT radio frequency switch 10, a first uplink low noise power amplifier 4, a second attenuator 6, and a second uplink low noise power amplifier 9 connected in sequence between the first SPDT radio frequency switch 2 and the second SPDT radio frequency switch 10, and a synchronization module 8 connected to the second uplink low noise power amplifier 9.
In this embodiment, a real-site case is proposed:
the donor base station is selected as a Guigang sheep pond market-H5H-2611, the height of a donor antenna is 3 meters, the distance from the donor base station is about 150 meters, and the receiving field intensity is-65 dBm; the retransmission antenna is hung 4 meters high. Because this is interim examination point, equipment is directly put on ground, and nearby merchant gets the electricity.
The road section has a weak coverage section of about 110 meters, UE occupies districts such as Guihong Shiyang pond market-H5H-2611, Guihong Shiyang pond market 4-H5H-2611, Guihong Haimanyuan aster-H5H-2613 and the like, and the test indexes of the weak coverage area are as follows:
| RSRP | SINR | download rate | Upload rate |
| Less than-93 dBm | -3～5dB | 200～ |
10～30M |
UE occupies the Guihong Shiyang sheep pond market-H5H-2611, the RSRP at the coverage distance of 180 meters is about-85 dBm, and the network indexes of the original weak coverage section after the EOCS system is used are as follows:
| RSRP | SINR | download rate | Upload rate |
| -50～-85dBm | 15-25dB | 500～800M | 50～100M |
Thus, RSRP is increased by 10-30dBm, SINR is increased by 18-20dB, download rate is increased by 300-500M, and upload rate is increased by 40-70M.
The above-mentioned embodiments are merely preferred embodiments of the present invention, and are not limitations on the protection scope of the present invention, but all the changes made by adopting the design principle of the present invention and performing non-creative work on this basis shall fall within the protection scope of the present invention.
Claims (2)
1. A5G enhanced outdoor extended coverage system, characterized by comprising a donor antenna (1) and a retransmission antenna (12), a first SPDT RF switch (2) connected to the donor antenna (1), a filter (11) connected to the retransmission antenna (12), a second SPDT radio frequency switch (10) connected with the filter (11), a first downlink low noise power amplifier (3), a first attenuator (5) and a second downlink low noise power amplifier (7) which are connected in sequence and then connected between the first SPDT radio frequency switch (2) and the second SPDT radio frequency switch (10), a first uplink low noise power amplifier (4), a second attenuator (6) and a second uplink low noise power amplifier (9) which are connected in sequence and then connected between the first SPDT radio frequency switch (2) and the second SPDT radio frequency switch (10), and a synchronization module (8) connected with the second uplink low noise power amplifier (9).
2. An enhanced 5G outdoor extended coverage system according to claim 1, wherein the donor antenna (1) is a log periodic antenna and the retransmission antenna (12) is a plate antenna.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023332753.2U CN213637724U (en) | 2020-12-30 | 2020-12-30 | 5G enhanced outdoor extension coverage system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023332753.2U CN213637724U (en) | 2020-12-30 | 2020-12-30 | 5G enhanced outdoor extension coverage system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213637724U true CN213637724U (en) | 2021-07-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023332753.2U Active CN213637724U (en) | 2020-12-30 | 2020-12-30 | 5G enhanced outdoor extension coverage system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213637724U (en) |
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2020
- 2020-12-30 CN CN202023332753.2U patent/CN213637724U/en active Active
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