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In this paper, we present a distributed flow-based ...
In this paper, we present a distributed flow-based
access scheme for slotted-time protocols, that prov
proportional fairness in ad-hoc wireless networks u
nder constraints on the buffer overflow probabiliti
each node. The proposed scheme requires local infor
mation exchange at the link-layer and end-to-end
information exchange at the transport-layer, and is
cast as a nonlinear program. A medium access contr
protocol is said to be proportionally fair with res
pect to individual end-to-end flows in a network, i
product of the end-to-end flow rates is maximized.
A key contribution of this work lies in the constru
a distributed dual approach that comes with low com
putational overhead. We discuss the convergence
properties of the proposed scheme and present simul
ation results to support our conclusions.