NDLI: The tone sense multiaccess protocol with partial collision detection (TSMA/PCD) for packet satellite communication

Content Provider	IEEE Xplore Digital Library
Author	Lo, M.K. Yum, T.S.
Copyright Year	1988
Description	Author affiliation: Dept. of Electron., Chinese Univ. of Hong Kong, Shatin, Hong Kong (Lo, M.K.; Yum, T.S.)
Abstract	The (TSMA/PCD) contention protocol is designed for packet satellite communications. This protocol is particularly suitable for a satellite system serving an area with a dense population of Earth stations. By incorporating a narrowband ground radio channel for broadcasting busy tones, the Earth stations are able to avoid packet collisions by sensing the absence of busy tones before transmitting packets, and partial collision detection capability can also be achieved. The performance of TSMA/PCD is found to be somewhere between CSMA (carrier-sense multiaccess) and CSMA/CD, depending on the number N of busy tones used. When N=50, single-tone TSMA/PCD gives almost identical performance as CSMA/CD, while for multitone and slot-by-slot announcement TSMA/PCD protocols, only N=8 and N=2, respectively, are sufficient to drive the system to the CSMA/CD performance. Both nonpersistent and 1-persistent TSMA/PCD give lower delays than their corresponding CSMA protocols. The performance of the protocols in a noisy satellite channel is also studied.<>
Starting Page	819
Ending Page	825
File Size	625444
Page Count	7
File Format	PDF
DOI	10.1109/ICC.1988.13673
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	1988-06-12
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Satellite broadcasting Throughput Propagation delay Access protocols Radio broadcasting Satellite ground stations Satellite communication Narrowband IEEE news Artificial satellites
Content Type	Text
Resource Type	Article

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4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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