13 research outputs found
A holistic approach to minimizing handover latency in heterogeneous wireless networking environments
A hybrid multirate MAC protocol providing trade-off between throughput and fairness in future TD-CDMA networks
Open-loop analysis and self-noise performance of an NDA synchroniser for carrier-independent symbol timing recovery at baud rate
Analysis of opportunistic spectrum access in cognitive radio networks using hidden Markov model with state prediction
To Mitigate with Trusted Channel Selection Using MOORA Algorithm in Cognitive Radio Network
Nonlinear negotiation approaches for complex-network optimization: a study inspired by Wi-Fi channel assignment
In this paper, we study a problem family inspired by a prominent network optimization problem (graph coloring), enriched and extended towards a real-world application (Wi-Fi channel assignment). We propose a utility model based on this scenario, and we generate an extensive set of test cases, against which we run both a complete information optimizer and two nonlinear negotiation approaches {a hill-climber and an approach based on simulated annealing (SA). We show that, for the larger-scale scenarios, the SA negotiation approach significantly outperforms the optimizer while running in roughly one tenth of the computation time. Also, we point out interesting patterns regarding the relative performance of the two approaches depending on the properties of the underlying graphs.Ministerio de EconomÃa y CompetitividadUniversidad de Alcal