CSK/SSMA ALOHA System with Nonorthogonal Sequences

Nobuyoshi KOMURO  Hiromasa HABUCHI  Masaru KAMADA  

IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences   Vol.E87-A   No.10   pp.2564-2570
Publication Date: 2004/10/01
Online ISSN: 
Print ISSN: 0916-8508
Type of Manuscript: Special Section PAPER (Special Section on Information Theory and Its Applications)
Category: Spread Spectrum Thchnologies and Applications
DS/SSMA ALOHA system,  M-ary/SSMA ALOHA system,  code shift keying,  nonorthogonal sequence,  throughput performance,  

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In this paper, the CSK/SSMA ALOHA system with nonorthogonal sequences which combines the ALOHA system with Code Shift Keying (CSK) using nonorthogonal sequences is proposed. The throughput performance was evaluated by theoretical analysis. Moreover, the throughput performance of the system is compared with those of the DS/SSMA ALOHA and M-ary/SSMA ALOHA systems. It is found that the throughput performance of our system to be better than those of the other two systems.