Fair Resource Allocation with Interference Mitigation and Resource Reuse
Автор: NS2 PROJECTS
Загружено: 2016-11-01
Просмотров: 13
Описание:
Abstract—Joint consideration of interference, resource utilization,
fairness and complexity issues is generally lacking in existing
resource allocation schemes for Long Term Evolution (LTE)/LTEAdvanced femtocell networks. To tackle this, we employ a hybrid spectrum allocation approach whereby the spectrum is split between the macrocell and its nearby interfering femtocells based on their resource demands, while the distant femtocells share the entire spectrum. A multi-objective problem is formulated for resource allocation between femtocells and is decomposed using a lexicographic optimization approach into two subproblems. A reasonably low-complexity greedy algorithm is proposed to solve these subproblems sequentially. Simulation results show that the proposed scheme achieves substantial throughput and packet loss improvements in low-density femtocell deployment scenarios while performing satisfactorily in high-density femtocell deployment scenarios with substantial complexity and overhead reduction. The proposed scheme also performs nearly as well as the optimal solution obtained by exhaustive search.
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