Electric-adjusting antenna communication system and method

Abstract

The invention discloses an electric-adjusting antenna communication system and a method. The system comprises a base station side control unit and an electric-adjusting antenna remote control unit which are connected by a radio frequency cable. The base station side control unit is used for combining a direct current power supply signal, an antenna calibration radio frequency signal and a demodulated electric-adjusting antenna control signal into a first combining radio frequency signal, and sends the first combing radio frequency signal to the electric-adjusting antenna remote control unit through the radio frequency cable. Compared with the system and the traditional method, the invention overcomes the defects of multiple transmission signals, complicated connection, low reliability and the like between equipment at the base station side and equipment at the antenna side, realizes the decrease of difficulty, development cost, engineering installation complexity and the like at different degrees in design, and enhances the efficiency of the electric-adjusting antenna communication.

Description

technical field [0001] The present invention relates to the field of communication, in particular to an electronically adjustable antenna communication system and method. Background technique [0002] In my country's current mobile communication network, since it is difficult for mechanical antennas to solve the problems of high call loss and large interference in high-density areas of users, it tends to replace mechanical antennas with electronically adjustable antennas or dual-polarized antennas in areas with high traffic density. In addition, in daily maintenance, the adjustment of the mechanical antenna is far less convenient than that of the electric antenna, and the effect of real-time monitoring and adjustment cannot be achieved, and the adjustment step accuracy is not high (the step accuracy of the mechanical antenna is 1 degree, and that of the electric Antenna step accuracy is 0.1 degree). Facing the development needs of electronically adjustable antennas, the com...

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Problems solved by technology

In the RS485 method, multi-core cables are required, which wastes transmission cable resources;

[0005] (2) Due to the special relationship between the antenna and the base station, lightning protection design must be carried out between the two. The method of using the RS485 bus requires lightning protection design for the above-mentioned various signals, including antenna calibration radio frequency RF signal lightning protection, DC Power signal lightning protection and electric adjustable antenna control signal lightning protection, etc., which means that a variety of Signal lightning protection, which undoubtedly increases the difficulty of lightning protection design, thereby reducing signal reliability and antenna communication efficiency

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