Micro structure MiMo radio frequency front end assembly

Abstract

The invention discloses a micro structure MiMo radio frequency front end assembly. The micro structure MiMo radio frequency front end assembly comprises even groups of radio frequency front end transceiver assemblies including a micro transceiver antenna, a polarization transformer, a first channel filter, a second channel filter, an AGC (automatic gain control) receiving module and an ALC (adaptive logic circuit) emitting module, wherein the micro transceiver antenna is connected with an input end of the AGC receiving module through the polarization converter, the first channel filter and the AGC receiving module in sequence; an output end of the ALC emitting module is connected with the micro transceiver antenna through the second channel filter and the polarization transformer in sequence; the AGC receiving module comprises a first balance amplifier, a first electrically controlled attenuator, a second balance amplifier, a first coupler and a first direct-current processing circuit; the ALC emitting module comprises a second electrically controlled attenuator, a third balance amplifier, a fourth balance amplifier, a second coupler and a second direct-current processing circuit. The micro structure MiMo radio frequency front end assembly is high in integration degree and capable of greatly reducing the size of the MiMo radio frequency front end assembly, and has the advantages of being high in linearity, high in gain and the like.

Description

technical field [0001] The invention relates to the technical field of radio frequency front-end components in the field of mobile communication, in particular to a miniaturized MiMo radio frequency front-end component. Background technique [0002] Multiple-input and multiple-output (Multi-input Multi-output; MIMO) is an abstract mathematical model used to describe a multi-antenna wireless communication system, which can use multiple antennas at the transmitting end to send signals independently, while using multiple antennas at the receiving end Receive and restore the original message. This technology was first proposed by Marconi in 1908, who used multiple antennas to suppress channel fading. According to the number of antennas at both ends of the transceiver, compared with the ordinary single-input single-output system (Single-Input Single-Output, SISO), multi-antenna technology such as MIMO still includes the early so-called "smart antenna", that is, single-input mult...

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Problems solved by technology

[0006] The present invention aims to overcome the defects of large volume and high cost of the radio frequency front-end in the prior art. According to one aspect of the present invention, a miniaturized structure MiMo radio frequency front-end assembly is proposed

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