KEYWORDS: Error control coding, Orthogonal frequency division multiplexing, Modulation, Telecommunications, Reliability, Multiplexers, Modulation frequency, Data transmission, Signal to noise ratio, Signal processing
FH-OFDM system converts high-speed serial data streams into parallel transmission using frequency division multiplexing technology, which effectively improves the transmission rate and spectrum utilization of traditional frequency hopping communication system, but the reliability of communication system is difficult to guarantee due to the existence of channel fading, noise interference and other factors. In order to improve the transmission quality, the channel coding technology is usually used to improve the error detection and correction capability of the information; Turbo codes are a class of error control codes with excellent performance. The results show that the low code rate Turbo codes can improve the reliability of the transmission system more effectively, and the anti-interference performance of the system is positively related to the interleaving length.
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