Lightweight cross-layer control algorithms for fairness and energy efficiency in CDMA Ad-Hoc networks
Ημερομηνία
2006Λέξη-κλειδί
Επιτομή
We consider a CDMA wireless ad - hoc network in high SINR regime. We introduce a suite of cross - layer algorithms for joint flow control, routing, scheduling and power control. algorithms guarantee forwarding of all incoming traffic, with an energy expenditure that can get arbitrarily close to minimum possible. When traffic arrival rates lie outside stable throughput region supported by wireless network, algorithms ensure fair allocation of resources. Compared to other algorithms that have been proposed in past in a more general setting, our scheme is of considerably lower complexity. It relies on iterative methods for solving convex throughput optimization problems for CDMA networks in high SINR regime. resulting cross - layer control algorithms are promising in practical implementations, for they operate in real - time, i.e., evolve in parallel with network dynamics, with limited computational complexity between successive control epochs. © 2006 IEEE.
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