Abstract
This paper studies fair dynamic rate allocation in a CDMA network. An optimization-based fair reverse-link rate assignment strategy is proposed. The network is modeled in a star topology, where the nodes represent either the base station (BS) or access terminals (ATs). The BS at every time instant computes the fair rate for each AT by minimizing the maximum disparity in user rates. Then, the BS sends a single bit to all ATs at every time instant. It is shown that if each AT could compute a specific variable, called the coordinating variable, it can find its fair rate, which means the decision-making strategy is distributed. The proposed method is computationally efficient, and simulations confirm its efficacy in different scenarios.
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