New upper bound for (m, k, λ)-IRSs with λ ≥ 2
IEEE Transactions on Information Theory
A novel hybrid spiking neuron: bifurcations, responses, and on-chip learning
IEEE Transactions on Circuits and Systems Part I: Regular Papers
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Impulse radio sequences (IRSs) were first introduced by Chu and Colbourn in (IEEE Trans. Inf. Theory, Vol. 50, pp. 2402-2407, 2004). In this correspondence, we investigate the upper bound for this class of sequences. By using the relationship between IRSs and CPs, a new upper bound for (m,k,1)-IRS is given, which improves the Johnson bound.