A Cache-Aided Power Optimization Technique for Adaptive Secure Transmission Systems
Journal
IEEE International Symposium on Personal, Indoor and Mobile Radio Communications, PIMRC
Journal Volume
2022-September
ISBN
9781665480536
Date Issued
2022-01-01
Author(s)
Abstract
This paper studies adaptive modulation techniques aiming to implement secure transmission in practical communication systems imposed with finite alphabet constraints. As a baseline, the logarithm barrier method is applied to solve the adaptive modulation problem formulated with an inequality constrained secrecy capacity maximization. However, the interested problem requires to jointly solve plural sub-problems to select the best alphabet-set, which incurs a high complexity issue for the baseline technique due to identifying infeasible cases. Hence, we propose a new cache-Aided power optimization algorithm that finds the optimal solution with a statistically independent complexity order of the number of the sub-problems. Simulation results obtained in MIMO-ME scenarios verify the effectiveness of the new cache-Aided bisection (C-bisect) method that it achieves normalized throughput performance of 0.95.
Subjects
adaptive modulation | barrier method | bisection | inequality constrained optimization | Secrecy capacity
Type
conference paper