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Stochastic power control in wireless communication systems: analysis, approximate control algorithms and state aggregation

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3 Author(s)
Minyi Huang ; Dept. of Electr. & Comput. Eng., McGill Univ., Montreal, Que., Canada ; Malhame, R.P. ; Caines, P.E.

This paper considers uplink power control for lognormal fading channels by a stochastic control approach. We seek approximate solutions to the HJB equation for the centralized optimal control. To compute the resulting local polynomial expansion, we construct a set of approximate equations and propose a recursive algorithm; this is applied to solve a two user system for illustration. To reduce implementational complexity for systems operating in large population conditions, we show-that a single user based control may be applied to give partially decentralized control.

Published in:

Decision and Control, 2003. Proceedings. 42nd IEEE Conference on  (Volume:4 )

Date of Conference:

9-12 Dec. 2003