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Limited feedback sensing algorithms for the packet broadcast channel

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2 Author(s)

A slotted packet broadcast channel with an infinite user population is considered. A limited feedback sensing algorithm is proposed and analyzed for collision versus noncollision binary feedback. The algorithm bas maximum throughput equal to 0.42 (packets/slot), has uniformly good delay characteristics within its stability region, and is robust in the presence of feedback errors. A variation of the algorithm, for ternary feedback, attains maximum throughput 0.425 and bas uniformly good delay characteristics within its stability region. In contrast, the highest throughput limited feedback sensing algorithm existing for ternary feedback attains maximum throughput 0.456 , but induces relatively high delays for Poisson intensities below 0.3 .

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Information Theory, IEEE Transactions on  (Volume:31 ,  Issue: 2 )