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In this paper, we present the results of using a turbo decoder to retrieve a serially encoded data stream, which has been transmitted over an aeronautical channel. The transmitted data streams are Double Differential Phase Shift Keying (DDPSK) modulated signals, which are encoded using two rate one-half (1/2) recursive systematic convolutional (RSC) encoders, and then transmitted over the channel...
A novel method to combine encryption and channel coding in such a way as to get increased security without any additional complexity is presented in this paper. A secure communication system usually consists of an encryption block followed by the channel coder. The encryption block here is a Shrinking generator which is a Linear Feedback Shift Register (LFSR) based stream cipher system. The channel...
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