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Communication Dans Un Congrès Année : 2014

A chance constrained approach for uplink wireless OFDMA networks

Résumé

In this paper, we compare individual and joint probabilistic constraints for a resource allocation problem in an uplink (UL) wireless OFDMA network. For this purpose, we formulate the problem as a stochastic linear programming (SLP) problem. Then, we transform this model into equivalent deterministic Second-Order Cone Programming (SOCP) problems. All models are intended to maximize the bit rates throughput of the network subject to subcarrier and power user constraints. Our preliminary numerical results show that the joint chance constraint formulation is slightly conservative than the individual probabilistic one. Finally, we show that our approximation of the deterministic joint probabilistic model is very tight.
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Dates et versions

hal-01778633 , version 1 (25-04-2018)

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Belarmino Núñez, Pablo Adasme, Ismael Soto, Jianqiang Cheng, Marc Letournel, et al.. A chance constrained approach for uplink wireless OFDMA networks. 2014 9th International Symposium on Communication Systems, Networks & Digital Signal Processing (CSNDSP), Jul 2014, Manchester, France. ⟨10.1109/CSNDSP.2014.6923927⟩. ⟨hal-01778633⟩
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