On Linear Power Control Policies for Energy Harvesting Communications

by   Hafez M. Garmaroudi, et al.
McMaster University

A comprehensive analysis of linear power control polices, which include the well-known greedy policy and fixed fraction policy as special cases, is provided. The notions of maximin optimal linear policy for given battery capacity c and mean-to-capacity ratio p as well as its c-universal versions are introduced. It is shown, among others, that the fixed fraction policy is c-universal additive-gap optimal but not c-universal multiplicative-factor optimal. Tight semi-universal bounds on the battery-capacity-threshold for the optimality of the greedy policy are established for certain families of energy arrival distributions.


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