Short wave receiving and sending communication channel process device based on delayed diversity and compact peripheral component interconnect (CPCI) bus

Abstract

The invention provides a short wave receiving and sending communication channel process device based on delayed diversity and a compact peripheral component interconnect (CPCI) bus. The short wave receiving and sending communication channel process device based on the delayed diversity and the CPCI bus comprises the CPCI bus, a master control module, an interface module, a frequency synthesis module, a radio frequency module, a digital signal process module, a front panel module and a power module, wherein the master control module, the interface module, the frequency synthesis module, the radio frequency module, the digital signal process module, the front panel module and the power module are connected to the CPCP bus. The master control module is suitable for operating and controlling a short wave receiving and sending communication channel process device, the interface module is suitable for transferring external voice frequency and data signals, the frequency synthesis module is suitable for providing clock signals and frequency mixing signals of each signal, the radio frequency module is suitable for filtering and conversing frequency to six-route short waves and transferring the processed signals to the digital signal process module, and the digital signal process module carries out delayed diversity process to the voice frequency and data signals. When the signals are sent, transcripts of the same sound signal are sent out from different antennas through retardations with different lengths. When the signals are received, the digital signals are carried out with the diversity process.

Description

technical field [0001] The invention relates to the field of electronic circuit design, in particular to a shortwave transceiver channel processing device based on delay diversity and CPCI bus. Background technique [0002] In the wireless communication environment, channel fading is the main factor affecting the signal quality, and the multi-antenna diversity method can effectively resist the fading of the wireless channel and provide reliable information transmission for the communication system. The basic principle of multi-antenna diversity technology is to carry the signal copies of the same information through multiple channels such as space and frequency, and combine the energy of multiple signals according to certain rules. The transmit and receive diversity technologies in the multi-antenna diversity technology can be Obtain higher diversity gain. Among them, the delay diversity technology in transmit diversity is essentially to artificially manufacture a dispersiv...

AI Technical Summary

Problems solved by technology

However, in some existing short-wave communication systems, diversity technology and coding technology are often divided into different devices, which cannot achieve integrated design, and it is difficult to maximize the communication gain of the system

Images