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Tracking communication base station antenna system

A technology of antenna system and communication base station, which is applied in antenna, transmission system, wireless communication, etc. It can solve the problems of insufficient omnidirectional antenna gain, high equipment failure rate, and high cost, so as to ensure the quality of communication signals and a high degree of intelligence , The effect of low equipment failure rate

Pending Publication Date: 2018-09-25
深圳市脉冲星通信科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] However, there are many deficiencies in the methods currently used: one is that the gain of the omnidirectional antenna of the remote controller of the ground station is not high enough, generally 2dBi; The scanning speed of the beam is limited by the mechanical inertia of the rotation. The entire antenna system cannot be quickly aligned with the position of the UAV. The antenna technology is complex and there is a mechanical rotation structure. The equipment failure rate is high and the cost is higher.

Method used

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  • Tracking communication base station antenna system
  • Tracking communication base station antenna system
  • Tracking communication base station antenna system

Examples

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Comparison scheme
Effect test

no. 1 example

[0036] Set up the Butler matrix feed network 19 . Such as Figure 5 As shown, specifically:

[0037] The same number of Butler matrix feeding networks 19 as the total number of polarizations of all sector antennas 1 and the corresponding number of second switch units 20 are set. On the premise that each sector antenna 1 adopts the same structure, and each sector antenna 1 is provided with n antenna elements, an n×n Butler matrix feed network 19 is used, that is, the Butler matrix feed network 19 includes n output ports and n input ports, n is always an even number greater than or equal to 2. For example, it may be n=8. Correspondingly, an 8×8 Butler matrix feeding network 19 is used as an example for illustration.

[0038] Each Butler matrix feeding network 19 is correspondingly connected to a radio frequency outlet of a polarization direction in a sector antenna 1, wherein the radio frequency outlets of the antenna elements in the sector antenna 1 in the same polarization ...

no. 2 example

[0044] The antenna unit 101 in the sector antenna 1 is set as an active phased array antenna. Such as Figure 6 As shown, specifically:

[0045] Connect the radio frequency ports of each antenna unit 101 in each sector antenna 1 to a T / R component 21, and connect each T / R component 21 to the same wave control unit 22 (for example, MCU can be used) and the same Power distribution network 23, the power distribution network 23 usually performs equal power distribution according to the number of antenna elements 101 in the same sector antenna 1, and the output public radio frequency port of the power distribution network 23 is further connected to the through line of the third directional coupler 24 A non-common radio frequency port of the first switch unit 3 is connected to the signal detection unit 2 through a coupling line. Wherein, the outlet of the antenna unit 101 is electrically connected to the antenna port of the T / R assembly 21, so that each antenna unit 101 channel of...

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Abstract

The invention discloses a tracking communication base station antenna system, which comprises two or more sector antennas constituting an omnidirectional angle on an azimuth plane; a signal detectingunit, which is respectively connected with each sector antenna for acquiring received signals of each sector antenna and detecting the signal with the best quality; a switching unit having a pluralityof selectively connectable links, including a common radio frequency port and a plurality of non-public radio frequency ports, the common radio frequency port selectively being connected with any non-public radio frequency port to form a multichannel link, wherein the number of links is the same as the number of sector antennas, the common radio frequency port is connected with a radio frequencytransceiver port, and the non-public radio frequency ports are connected with the sector antennas respectively; and a control terminal which is respectively connected with the signal detecting unit and the switch unit for controlling the switch unit to selectively communicate with the link between the sector antenna corresponding to the signal with the best quality and the radio frequency transceiver port. The antenna pattern can be aligned with an unmanned aerial vehicle to ensure the quality of the communication signal; no mechanical rotating structure exists, so the advantages of omnidirectional high gain and wideband are obtained.

Description

technical field [0001] The invention relates to the technical field of wireless communication, in particular to a tracking communication base station antenna system. Background technique [0002] UAV image transmission and remote control is a radio technology for information transmission. In image transmission and remote control systems, the farther the distance, the weaker the signal, which restricts the transmission distance of the radio communication system. At present, the general method to improve the image transmission and remote control distance is to add power amplifier, low noise amplifier and increase antenna gain. As the basic component of the radio system, the antenna provides a means for radiating and receiving radio waves. Its performance directly affects signal transmission and The effect of reception plays an extremely important role in improving the communication distance of drones. [0003] The early structure of the antenna of the consumer-grade UAV grou...

Claims

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Application Information

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IPC IPC(8): H04B1/00H04B1/40H04W16/18H04W88/08H01Q3/00
CPCH01Q3/00H04B1/005H04B1/40H04W16/18H04W88/08
Inventor 不公告发明人
Owner 深圳市脉冲星通信科技有限公司