Title :
On the Karystinos-Pados bounds and optimal binary DS-CDMA signature ensembles
Author :
Ipatov, Valery P.
Author_Institution :
Dept. of Inf. Technol., Univ. of Turku, Finland
Abstract :
Tightness of the Karystinos-Pados bounds was originally proved with four exceptions. In this letter, we modify the algorithm of constructing signatures removing three of these exceptions. For the fourth one the tighter bounds are derived.
Keywords :
Hadamard matrices; binary sequences; code division multiple access; spread spectrum communication; Hadamard matrices; Karystinos-Pados bounds tightness; Welch bound; code-division-multiple-access; optimal binary DS-CDMA signature; Algorithm design and analysis; Channel capacity; Gaussian noise; H infinity control; Information technology; Multiaccess communication; Signal to noise ratio;
Journal_Title :
Communications Letters, IEEE
DOI :
10.1109/LCOMM.2004.823428
