2T2R symmetric antenna system and multiple-input-multiple-output power equalization method

Abstract

The invention discloses a 2T2R symmetric antenna system and a multiple-input-multiple-output power equalization method. The system comprises a symmetrical two-path transmission and power equalizationmodule and a symmetrical two-path broadband antenna module. The symmetrical two-path broadband antenna module comprises a first-path radiation antenna and a second-path radiation antenna, which are same in size and parallel to each other in position and are connected with the symmetrical two-path transmission and power equalization module; the symmetrical two-path transmission and power equalization module is used for generating a first radio frequency signal and a second radio frequency signal which are equal in amplitude, equal in frequency and same in phase and sending the signals to the symmetrical two-path broadband antenna module; and the first-path radiation antenna and the second-path radiation antenna are used for receiving the first radio frequency signal and the second radio frequency signal and sending the first radiation signal and the second radiation signal respectively. The 2T2R symmetric antenna system and the MIMO power equalization method provided by the invention realize consistency of gain ranges of two paths of radiation signals of a 2T2R small base station in an indoor space and realize a good indoor coverage effect.

Description

technical field [0001] The invention relates to the field of communication technology, in particular to a 2T2R symmetrical antenna system and a multiple-input multiple-output power equalization method. Background technique [0002] With the development of mobile communication technology, Multiple-Input Multiple-Output (MIMO) technology has been applied in various mobile communication systems to improve system capacity, such as: Long Term Evolution (LTE) system And Wideband Code Division Multiple Access (WCDMA) system, etc. [0003] Since the proportion of indoor communication services is increasing, it is very necessary to apply MIMO in indoor mobile communication systems. At present, the 2T2R symmetrical antenna system using MIMO and the multiple-input multiple-output power equalization method are mainly to receive two equal-amplitude and equal-frequency radio frequency signals through symmetrical two-way broadband antennas, and then send two equal-amplitude and same-phase...

AI Technical Summary

Problems solved by technology

However, due to the limitations of the structure, technology and quality of the original indoor coverage system, the coverage, amplitude, and phase of the two radiation signals sent at the same point are inconsistent, resulting in the mobile terminal being able to receive only two radiation signals in the same area during the movement process. Uneven radio frequency signal, poor reception effect, poor MIMO application effect

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