Abstract

Link adaptation of a wireless cellular network is of much attention due to the desire of maximizing both the average link throughput and coverage reliability, which have conflicting effect on each other. In this paper, the intra-cell link adaptation problem is formulated as a non-differentiable constrained optimization problem to maximize average link throughput while guaranteeing the best possible coverage reliability. To achieve this, a cutting plane optimization algorithm is employed. The performance of our method: adaptive modulation/coding with power management (AMCWPM) using proposed algorithm is compared with that of an adaptive modulation/coding (AMC) with no power management. Simulation results show that the performance of our method improves both average link throughput and coverage reliability by at least 10% while in each case the other parameter (i.e. respectively, coverage reliability and average link throughput) is hold as much as that of the AMC with no power management

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