A Distributed Power Control Algorithm for Time Varying Wireless Networks with Partially Observable Feedback
01 June 2006
Adaptive allocation of transmit power has been shown to be an effective means of providing service to competing users with heterogeneous requirements in a wireless network. In this paper distributed stochastic power control is presented for time varying wireless networks with partially observable feedback. With the presented algorithm, a user shall perform interference estimation prior to adapting transmit power so as to address user-centric and network-centric objectives. Aside from the random link gains, detriments such as noisy feedback and the loss of feedback from the receivers to the transmitting users are considered in the derivation. The closed-loop algorithm is of reasonable complexity thus allowing for distributed online implementation.