Comparison of two random access techniques for the North American MSAT system
Abstract
Two random access techniques for the North American mobile satellite system are investigated and compared. The first approach uses only random access inbound signaling channels. The second approach is a type of reservation scheme, and uses a combination of time division multiple access and random access request inbound signaling channels. The performance for both approaches is heavily dependent on the probability of collision in the random access channels. The random access channels are assumed to operate under sloppy slotted ALOHA conditions, to maximize channel capacity. Equating the average number of transmissions per successful inbound information unit for the two approaches, it is shown that the reservation approach is much more bandwidth efficient.
- Publication:
-
Electrical and Computer Engineering, Volumes 1 and 2 4 p (SEE N93-30215 11-31)
- Pub Date:
- 1990
- Bibcode:
- 1990ecev.confS....C
- Keywords:
-
- Aloha System;
- Random Access;
- Satellite Communication;
- Time Division Multiple Access;
- Land Mobile Satellite Service;
- Transmission Efficiency;
- Communications and Radar