Throughput analysis of the CSK/SSMA ALOHA with nonorthogonal sequences by non-perfect capture

Author

Komuro, Nobuyoshi ; Habuchi, Hiromasa

Author_Institution

Ibaraki Univ., Japan

fYear

2004

fDate

30 Aug.-2 Sept. 2004

Firstpage

653

Lastpage

657

Abstract

The throughput performance of the code shift keying spread spectrum multiple access (CSK/SSMA) ALOHA system which combines the ALOHA system with CSK using nonorthogonal sequences is analyzed by nonperfect capture. The performance is evaluated when varying the number of concatenations because the nonorthogonal sequences are constructed by concatenating M_con orthogonal sequences. Moreover, the effect of the channel load sensing protocol (CLSP) is examined. Consequently, the throughput performance varies according to M_con and the throughput performance improves considerably by using CLSP.

Keywords

access protocols; binary sequences; concatenated codes; modulation coding; protocols; spread spectrum communication; telecommunication traffic; ALOHA system; CLSP; CSK/SSMA; channel load sensing protocol; code shift keying spread spectrum multiple access; concatenations; nonorthogonal sequences; nonperfect capture; orthogonal sequences; throughput performance; Access protocols; Bit error rate; Information analysis; Performance analysis; Power system modeling; Robustness; Signal generators; Spread spectrum communication; Throughput; Wireless communication;

fLanguage

English

Publisher

ieee

Conference_Titel

Spread Spectrum Techniques and Applications, 2004 IEEE Eighth International Symposium on

Print_ISBN

0-7803-8408-3

Type

conf

DOI

10.1109/ISSSTA.2004.1371781

Filename

1371781