NDLI: Performance degradation due to the access timing delay on CDMA unslotted ALOHA with channel load sensing

Content Provider	IEEE Xplore Digital Library
Author	Sato, T. Okada, H. Yamazato, T. Katayama, M. Ogawa, A.
Copyright Year	1996
Description	Author affiliation: Dept. of Inf. Electron., Nagoya Univ., Japan (Sato, T.)
Abstract	Throughput analysis of CDMA unslotted ALOHA with channel load sensing protocol (CLSP) is presented in consideration of the effect of the access timing delay. The access timing delay is defined as the sum of the process time and the propagation time for the packet access control. As CLSP is the scheme used to control packet generation due to the channel state information from the hub station, the effect of the access timing delay is significant. In our analysis, we extend a continuous-time Markov chain model and queueing systems. As a result, we found degradations of the throughput performance due to the access timing delay. For the value of the CLSP threshold, we show that it is smaller than the case without the access timing delay in order to achieve satisfactory throughput. Furthermore, for a large access timing delay, the CLSP makes no sense and the throughput is worse than the system without employing CLSP.
Starting Page	111
Ending Page	114
File Size	434817
Page Count	4
File Format	PDF
ISBN	0780333004
DOI	10.1109/ICUPC.1996.557772
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	1996-10-02
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Degradation Timing Multiaccess communication Throughput Delay effects Access protocols Propagation delay Access control Channel state information Queueing analysis
Content Type	Text
Resource Type	Article

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