A Novel Distributed Interference Mitigation Technique Using Power Planning

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Executive Summary

This paper introduces a new method for distributed interference mitigation in full spectral-reuse OFDMA cellular networks. This considers the use of pre-defined frequency-domain power profiles helping make the interference more predictable across the subcarriers. The authors propose a method for computing the power profiles so as to maximize the capacity of the system in case of maximum throughput scheduling, and a simple linear model implemented also in presence of a fairness-oriented scheduler. The authors prove that their idea of power planning gives substantial improvements in terms of outage capacity in case of fairness-oriented scheduling.

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