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We introduce simple yet efficient ARQ protocols in conjunction with two types of anti-jamming coding techniques - rateless coding and piecewise coding - for cognitive radios. For piecewise coding, we propose to employ systematic codes to facilitate efficient selected retransmissions and design short codes to maximize secondary user throughput. For rateless coding, we consider a protocol that transmits...
In this paper, we consider the design of efficient anti-jamming coding techniques for recovering lost packets transmitted through parallel channels. We present two coding schemes with small overhead and low complexity, namely, rateless coding and piecewise coding. For piecewise coding, we propose the optimal as well as several suboptimal design methods to build short block codes with small number...
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