Remote radio unit based on 5G AeroMACS
By introducing upper and lower heat sinks and modular designs into the RF remote unit, the problem of heat accumulation is solved, the equipment is miniaturized and flexible installation is realized, and the equipment performance and deployment convenience are improved.
Patent Information
- Application Number
- CN202420726143.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-10
- Publication Date
- 2025-07-25
- Estimated Expiration
- 2034-04-10
AI Technical Summary
Existing RF telescope units generate a lot of heat during operation, resulting in degradation in equipment performance and difficulty in deployment.
A 5G AeroMACS-based RF telescope unit is designed, adopting an upper and lower heat sink structure, and a compact and modular design is achieved through optical cables and bolted connections, supporting installation on a holder or wall.
Improve the heat dissipation efficiency of the equipment, enhance the deployment flexibility and work efficiency of the equipment.
Smart Images

Figure CN223157441U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of communications, and particularly to a radio remote unit based on 5G AeroMACS. Background Art
[0002] AeroMACS is a dedicated network for the aeronautical mobile communication system, and 5G AeroMACS is a new generation of aeronautical broadband communication technology that applies 5G technology to this network. It has characteristics such as low latency, high reliability, and large bandwidth, which can enable accurate, timely, and rapid sharing of information among the aircraft cockpit, tower, surface vehicles, airlines, and airport operation control departments, such as high-precision digital maps of the airport, the occupancy of runways, taxiways, jet bridges, and parking positions, the real-time positions of aircraft and vehicles, and the taxiing paths issued by the tower.
[0003] 5G AeroMACS can improve the operation safety and efficiency of the airport surface, achieve effective information sharing, and provide strong support for the collaborative operation of multiple entities.
[0004] A radio remote unit (RRU) is a component in communication equipment, which is used to convert a baseband optical signal into a radio frequency signal, amplify it, and then transmit it. It is divided into a proximal unit and a distal unit. The proximal unit is a radio baseband controller (Radio Server), and the distal unit is a radio remote unit (RRU).
[0005] The existing radio remote units generate a large amount of heat during operation. If effective heat dissipation cannot be achieved, it may affect the performance and service life of the equipment; radio remote units usually need to be installed inside buildings or outdoors, and the existing radio remote units are difficult to deploy. Summary of the Utility Model
[0006] Aiming at the deficiencies of the prior art, the utility model provides a radio remote unit based on 5G AeroMACS, which solves the problems mentioned in the background art.
[0007] To achieve the above object, the present utility model provides the following technical solutions: A radio frequency remote unit based on GAeroMACS, including an upper cover, a lower cover, a downlink signal processing unit, Interface A, a lower heat sink, Interface B, Interface C, Interface D, Interface E, and an upper heat sink. Inside the upper cover, a power amplifier unit and an uplink signal processing unit are fixedly installed. One end of the power amplifier unit is electrically connected to the other end of the uplink signal processing unit; Inside the lower cover, an interface unit, a downlink signal processing unit, and a duplexer unit are fixedly installed. One end of the duplexer unit is electrically connected to one end of a power amplifier unit A. The other end of the power amplifier unit A is electrically connected to one end of the downlink signal processing unit. The other end of the downlink signal processing unit is electrically connected to one end of the interface unit. The other end of the interface unit is electrically connected to Interface A, Interface B, Interface C, Interface D, and Interface E; The duplexer unit is also electrically connected to the power amplifier unit; The upper cover and the lower cover are fixedly connected. On the outer sides of the upper cover and the lower cover, a lower heat sink and an upper heat sink are respectively fixedly installed.
[0008] As a preferred technical solution of the present utility model, a downconverter, an ADC, Filter B, and a mixer are also fixedly installed on the upper end face of the uplink signal processing unit; An upconverter, a DAC, Filter A, and a radio frequency modulation are also fixedly installed on the upper end face of the downlink signal processing unit.
[0009] As a preferred technical solution of the present utility model, a handle is also fixedly installed on one side of the upper cover.
[0010] As a preferred technical solution of the present utility model, an antenna is also fixedly installed on one side of the lower cover.
[0011] Compared with the prior art, the present utility model has the following beneficial effects:
[0012] 1. With this structure, the radio frequency remote unit of the present utility model has the characteristics of small volume and flexible deployment, which enables it to support installation on poles or walls.
[0013] 2. By setting the upper and lower heat sinks, the working efficiency is significantly improved. Description of the Drawings
[0014] Figure 1 Isometric view of the present utility model;
[0015] Figure 2 Internal view of the present utility model;
[0016] Figure 3 Front view of the present utility model;
[0017] Figure 4 Top view of the present utility model;
[0018] Figure 5 This is the right view of the utility model.
[0019] In the figure: 1. Upper cover; 101. Power amplifier unit B; 102. Up-link signal processing unit; 1021. Down-conversion; 1022. ADC; 1023. Filter B; 1024. Mixing; 103. Handle; 2. Lower cover; 201. Interface unit; 202. Down-link signal processing unit; 2021. Up-conversion; 2022. DAC; 2023. Filter A; 2024. RF modulation; 203. Diplexer unit; 204. Power amplifier unit A; 3. Interface A; 4. Lower heat sink; 5. Interface B; 6. Interface C; 7. Interface D; 8. Interface E; 9. Upper heat sink; 10. Antenna. Specific implementation
[0020] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.
[0021] Embodiment
[0022] Please refer to Figures 1-5 , the present utility model provides the following technical solutions: A radio frequency remote unit based on 5G AeroMACS, including an upper cover 1, a lower cover 2, a down-link signal processing unit 202, an interface A 3, a lower heat sink 4, an interface B 5, an interface C 6, an interface D 7, an interface E 8, and an upper heat sink 9. Inside the upper cover 1, a power amplifier unit B 101 and an up-link signal processing unit 102 are fixedly installed, and one end of the power amplifier unit B 101 is electrically connected to the other end of the up-link signal processing unit 102; inside the lower cover 2, an interface unit 201, a down-link signal processing unit 202, and a diplexer unit 203 are fixedly installed. One end of the diplexer unit 203 is electrically connected to one end of a power amplifier unit A 204, the other end of the power amplifier unit A 204 is electrically connected to one end of the down-link signal processing unit 202, the other end of the down-link signal processing unit 202 is electrically connected to one end of the interface unit 201, and the other end of the interface unit 201 is electrically connected to the interface A 3, the interface B 5, the interface C 6, the interface D 7, and the interface E 8; the diplexer unit 203 is also electrically connected to the power amplifier unit B 101; the upper cover 1 and the lower cover 2 are fixedly connected, and the lower heat sink 4 and the upper heat sink 9 are respectively fixedly installed on the outer sides of the upper cover 1 and the lower cover 2.
[0023] In this embodiment, the upper cover 1 is connected to the power amplifier unit B101 and the upstream signal processing unit 102 by bolts. The connection between the power amplifier unit B101 and the upstream signal processing unit 102 is made by an optical cable. The connection between the interface unit 201, the downstream signal processing unit 202, and the duplexer unit 203 fixedly installed inside the lower cover 2 is by bolts. The connection between the duplexer unit 203 and the power amplifier unit A204 is made by an optical cable. The connection between the power amplifier unit A204 and the downstream signal processing unit 202 is also made by an optical cable. The connection between the downstream signal processing unit 202 and the interface unit 201 is made by an optical cable. The connections between the interface unit 201 and interfaces A3, B5, C6, D7, and E8 are all made by optical cables. The connection between the duplexer unit 203 and the power amplifier unit B101 is made by an optical cable. The connection between the upper cover 1 and the lower cover 2 is by bolts. The connections between the upper cover 1 and the lower cover 2, and between the lower heat sink 4 and the upper heat sink 9 are by welding.
[0024] Specifically, a down-converter 1021, an ADC 1022, a filter B1023, and a mixer 1024 are also fixedly installed on the upper end face of the upstream signal processing unit 102; an up-converter 2021, a DAC 2022, a filter A2023, and a radio frequency modulator 2024 are also fixedly installed on the upper end face of the downstream signal processing unit 202.
[0025] In this embodiment, the connections between the upstream signal processing unit 102 and the down-converter 1021, ADC 1022, filter B1023, and mixer 1024 are made by bolts and flexible flat cables; the connections between the downstream signal processing unit 202 and the up-converter 2021, DAC 2022, filter A2023, and radio frequency modulator 2024 are also made by bolts and flexible flat cables.
[0026] Specifically, a handle 103 is also fixedly installed on one side of the upper cover 1.
[0027] In this embodiment, the connection between the upper cover 1 and the handle 103 is by welding, mainly for the convenience and reliability during the handling of this equipment.
[0028] Specifically, an antenna 10 is also fixedly installed on one side of the lower cover 2.
[0029] In this embodiment, the connection between the lower cover 2 and the antenna 10 is by screw connection, and the antenna 10 passes through the lower cover 2 and is connected to the duplexer unit 203.
[0030] Finally, it should be noted that the above are only the preferred embodiments of the present utility model and are not used to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments or perform equivalent replacements on some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present utility model shall be included within the protection scope of the present utility model.
Claims
1. A radio frequency remote unit based on 5G AeroMACS, comprising an upper cover (1), a lower cover (2), a downlink signal processing unit (202), an interface A (3), a lower heat sink (4), an interface B (5), an interface C (6), an interface D (7), an interface E (8), and an upper heat sink (9), characterized in that: Inside the upper cover (1), a power amplifier unit (101) and an upstream signal processing unit (102) are fixedly installed. One end of the power amplifier unit (101) is electrically connected to the other end of the upstream signal processing unit (102). Inside the lower cover (2), an interface unit (201), a downstream signal processing unit (202), and a duplexer unit (203) are fixedly installed. One end of the duplexer unit (203) is electrically connected to one end of a power amplifier unit A (204). The other end of the power amplifier unit A (204) is electrically connected to one end of the downstream signal processing unit (202). The other end of the downstream signal processing unit (202) is electrically connected to one end of the interface unit (201). The other end of the interface unit (201) is electrically connected to interface A (3), interface B (5), interface C (6), interface D (7), and interface E (8). The duplexer unit (203) is also electrically connected to the power amplifier unit (101). The upper cover (1) and the lower cover (2) are fixedly connected. On the outer sides of the upper cover (1) and the lower cover (2), a lower heat sink (4) and an upper heat sink (9) are respectively fixedly installed.
2. The radio remote unit based on 5G AeroMACS according to claim 1, wherein: On the upper end face of the upstream signal processing unit (102), a down-conversion (1021), an ADC (1022), a filter B (1023), and a mixer (1024) are also fixedly installed. On the upper end face of the downstream signal processing unit (202), an up-conversion (2021), a DAC (2022), a filter A (2023), and a radio frequency modulation (2024) are also fixedly installed.
3. The radio remote unit based on 5G AeroMACS according to claim 1, wherein: On one side of the upper cover (1), a handle (103) is also fixedly installed.
4. The radio remote unit based on 5G AeroMACS according to claim 1, characterized in that: On one side of the lower cover (2), an antenna (10) is also fixedly installed.