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New Upper Bound for (m, k, \lambda ) -IRSs With \lambda \geq 2

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2 Author(s)
Yanxun Chang ; Inst. of Math., Beijing Jiaotong Univ., Beijing, China ; Xiao Wang

Impulse radio sequences were first introduced by Chu and Colbourn in 2004. A better upper bound for (m, k, 1)-IRS was given by Gao and Chang in 2006. In this paper, we present an upper bound for (m, k, lambda)-IRS with lambda ges 2, which improves the known Johnson bound.

Published in:

IEEE Transactions on Information Theory  (Volume:55 ,  Issue: 9 )