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We propose a new decentralized power control algorithm for multi-cell wireless data networks that can fully utilize and equally assign radio resources to all mobile stations (MSs). Our approach employs game theory as its basis with a utility function and pricing, but uses the network (base station) to assist mobile stations in performing power control. This is similar to a leader-followers strategy used in the literature of game theory. As a result, the proposed algorithm is implemented in the form of closed loop power control. This proposed power control scheme can maximize the throughput of each MS and can fully utilize the amount of radio resources allowed in a cell.