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Throughput and energy consumption tradeoffs in path-gain-based constrained power control in ALOHA networks

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2 Author(s)
Berggren, F. ; Radio Commun. Syst., R. Inst. of Technol., Stockholm, Sweden ; Zander, J.

Power control has been proposed as a tool to improve the performance of packet radio systems in terms of increased throughput and battery lifetime for mobile terminals. In this paper we study the tradeoff between transmitter dynamic range, average energy consumption and the achievable throughput for a simple path-gain based power control algorithm in a slotted ALOHA radio system. The results show that increasing the throughput significantly by means of transmitter power control requires only a very moderate increase in energy consumption and transmitter dynamic range.

Published in:

Communications Letters, IEEE  (Volume:4 ,  Issue: 9 )