Title :
Multilevel Hadamard matrices and zero correlation zone sequences
Author :
Trinh, Q.K. ; Fan, P. ; Gabidulin, E.M.
Author_Institution :
Inst. of Mobile Commun., Southwest Jiaotong Univ., Chengdu, China
fDate :
6/22/2006 12:00:00 AM
Abstract :
Constructions of multilevel Hadamard matrices are presented. Based on the multilevel Hadamard matrices, multilevel zero correlation zone sequences which are useful in quasi-synchronous CDMA systems and other applications are derived.
Keywords :
Hadamard matrices; code division multiple access; correlation methods; sequences; multilevel Hadamard matrices; multilevel orthogonal sequences; quasi-synchronous CDMA systems; zero correlation zone sequences;
Journal_Title :
Electronics Letters
DOI :
10.1049/el:20060475
