Rf front-end architecture, antenna device and communication terminal

Abstract

Provided are an RF front-end architecture, an antenna device and a communication terminal. The RF front-end architecture comprises a primary RF front-end module and a secondary RF front-end module. The communication terminal optimizes the RF front-end architecture on the internal antenna device, and is able to work in a multi-antenna working mode to realize the receiving and transmission of multiplex RF signals. The architecture is relatively simple in structure, only two RF front-end modules are needed to realize multiplex transmission and multiplex receiving of RF signals, meanwhile, different frequency band signals which need to be accessed can be flexibly controlled and adjusted. Moreover, the low noise amplifiers in the architecture all support the amplification of multi-band frequency signals, which can ensure the realization of 1T4R, 2T4R and other functions in fewer RF front-end modules, ensure the realization of rich function of the architecture, and reduce the area of the architecture.