Performance Analysis of Aloha Networks with Power Capture and Near/Far Effect
NAVAL POSTGRADUATE SCHOOL MONTEREY CA
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This thesis presents an analysis of the throughput characteristics for several classes of Aloha packet networks. Specifically, the throughput for variable packet length Aloha utilizing multiple power levels to induce receiver capture is derived. The results are extended to an analysis of a selective-repeat ARQ Aloha network. Analytical results are presented which indicate a significant increase in throughput for a variable packet network implementing a random two power level capture scheme. Further research into the area of the nearfar effect on Aloha networks is included. Improvements in throughput for mobile radio Aloha networks which are subject to the nearfar effect are presented. Tactical Command, Control and Communications C3 systems of the future will rely on Aloha ground mobile data networks. The incorporation of power capture and the nearfar effect into future tactical networks will result in improved system analysis, design and performance.
- Command, Control and Communications Systems