UHF COMMUNICATION TERMINAL TECHNIQUES.
Final rept. Mar 66-Feb 67,
SYLVANIA ELECTRONIC SYSTEMS-CENTRAL WILLIAMSVILLE N Y
Pagination or Media Count:
A UHF Manpack Satellite Ground Terminal appears to be feasible. A partial study showed that the primary limitations would probably be in a primary power source that would operate over wide temperature extremes, and in the design of lightweight high gain antenna. A study of modulation techniques showed series degradation of FSK and DPSK error rates when diffuse andor specular ground reflections are present especially when residual Doppler was also present. In categorizing multiple access techniques, the three basic techniques identified are frequency, time and code division. From these a total of twenty-six basic and Hybrid multiple access techniques are derived. Some performance analysis of orthogonal nd non-orthogonal multiple access techniques have been obtained. Typical power budgets are shown for SHF and UHF Satellite Communication Links. An energy search technique for Satellite Acquisition is analyzed. A general treatment of coding techniques is included. Author
- Radio Communications