Uplink dynamic discrete power control in cellular networks

Eitan Altman (1) , Konstantin Avrachenkov (1) , Gregory Miller (1, 2) , Balakrishna Prabhu (3)

1 MAESTRO - Models for the performance analysis and the control of networks
2 MAI - Probability Theory Departement [Moscow]
3 CWI - Centrum voor Wiskunde en Informatica

We consider an uplink power control problem where each mobile wishes to maximize its throughput (which depends on the transmission powers of all mobiles) but has a constraint on the average power consumption. A finite number of power levels are available to each mobile. The decision of a mobile to select a particular power level may depend on its channel state. We consider two frameworks concerning the state information of the channels of other mobiles: (i) the case of full state information and (ii) the case of local state information. In each of the two frameworks, we consider both cooperative as well as non-cooperative power control. We manage to characterize the structure of equilibria policies and, more generally, of best-response policies in the non-cooperative case. We present an algorithm to compute equilibria policies in the case of two non-cooperative players. Finally, we study the case where a malicious mobile, which also has average power constraints, tries to jam the communication of another mobile. Our results are illustrated and validated through various numerical examples.

Mots clés: CELLULAR NETWORKS; POWER CONTROL; COOPERATIVE AND NON-COOPERATIVE FRAMEWORKS

Domaines: Réseaux et télécommunications [cs.NI]; Autre [cs.OH]

Eitan Altman, Konstantin Avrachenkov, Gregory Miller, Balakrishna Prabhu. Uplink dynamic discrete power control in cellular networks. [Research Report] RR-5818, INRIA. 2006, pp.31. ⟨inria-00070207v2⟩