4 search results - page 1 / 1 » On the hops present in costas permutations |
TIT
2010
13 years 5 months ago
2010
We determine that exponential Welch permutations lead in general to the smallest maximal frequency hops among all Costas permutations, and are also relatively easy to study, as a ...
ARSCOM
2008
13 years 11 months ago
2008
We present 3 open challenges in the field of Costas arrays. They are: a) the determination of the number of dots on the main diagonal of a Welch array, and especially the maximal ...
ISCAS
2006
IEEE
14 years 4 months ago
2006
IEEE
— Bit and subword permutations are useful in many multimedia and cryptographic applications. New shift and permute instructions have been added to the instruction set of general-...
EWSN
2004
Springer
14 years 10 months ago
2004
Springer
Abstract. We propose a model for communication in single-hop wireless sensor networks and define and evaluate the performance of a robust, energy balanced protocol for a powerful a...