Two-level multiaccess schemes for packet satellite systems with low duty factor terminals
Abstract
A two-level packet satellite network architecture is proposed to provide efficient communications for a large number of low duty factor terminals. At the first level, disjoint subnets of prioritized users employ a minislotted alternating priorities (MSAP) protocol. At the second level, a time division multiple access (TDMA) or frequency division multiple access (FDMA) uplink, and a time division multiplexed (TDM) or frequency division multiplexed (FDM) downlink is assumed, with the satellite regenerating and reformatting the data appropriately. Examples with a large number of terminals show that the two-level schemes provide superior delay performance over single-level methods for wide ranges of throughput.
- Publication:
-
IEEE Transactions on Communications
- Pub Date:
- August 1985
- Bibcode:
- 1985ITCom..33..880W
- Keywords:
-
- Access Control;
- Communication Networks;
- Earth Terminals;
- Multiple Access;
- Packet Transmission;
- Satellite Transmission;
- Frequency Division Multiple Access;
- Frequency Division Multiplexing;
- Protocol (Computers);
- Time Division Multiple Access;
- Time Division Multiplexing;
- Time Lag;
- Transmission Efficiency;
- Uplinking;
- Communications and Radar