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The potential of improving the achievable throughput of spectrum sharing cognitive radio networks by enhancing them with spectrum sensing capabilities has recently lead to the introduction of a new spectrum access scheme called sensingbased spectrum sharing (SSS) or sensing-enhanced spectrum sharing (SESS). In this paper, the authors study the truncated channel inversion with fixed rate (TIFR) capacity and the outage capacity of a sensing-enhanced spectrum sharing (SESS) cognitive radio system for Rayleigh and Nakagami-m fading channels. They consider various constraints on the capacity, which include average transmit and interference power constraints, peak interference power constraints, and target detection probability constraints.
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