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Throughput Improvement of CDMA Slotted ALOHA Systems
Masato SAITO Hiraku OKADA Takeshi SATO Takaya YAMAZATO Masaaki KATAYAMA Akira OGAWA
IEICE TRANSACTIONS on Communications
Publication Date: 1997/01/25
Print ISSN: 0916-8516
Type of Manuscript: Special Section PAPER (Special Issue on Advances in Satellite Communications toward Multimedia Era)
CDMA slotted ALOHA systems, QS-sequences, access timing error, modified channel load sensing protocol, access timing delay,
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In this paper, we evaluate the throughput performance of CDMA Slotted ALOHA systems. To improve the throughput performance, we employ the Quasi-synchronous sequences and the Modified Channel Load Sensing Protocol as an access control procedure. As a result, we found a good throughput by the QS-sequences. By employing MCLSP, we can keep the maximum throughput even in high offered load and in the presence of a long access timing delay, which is one of the issue in satellite packet communication systems.