On a method to establish satellite links for dynamic bandwidth allocation

This paper examines the bandwidth and power allocation problem for a multi-frequency time division multiple access (MF-TDMA) based satellite communication system and presents a method to optimize the use of bandwidth and power at the satellite transponder. The constraints that are examined are: power and bandwidth limitations at the satellite transponder, terminal EIRP spectral density mask determined by the regulatory and standards bodies, and a minimum data rate that should be supported by all terminals. A simple Ku-band "bent-pipe" repeater satellite and a Ka-band wideband Gapfiller satellite are considered. In the former case the transponder gain is fixed across all frequency bands; in the latter case discrete, variable gains across the frequency bands are accommodated. We consider the solution to the above resource allocation problem for a typical distribution of the terminals. Practical methods of realizing this solution are also addressed