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26 July 2000 Channel allocation and load balancing in totally mobile wireless networks
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Previous studies on totally mobile wireless networks (TMWN) have been limited to non-hierarchical architectures. In this paper, we study a two-tier cellular architecture for TMWN. Under the constraints of equal power consumption, the two tier system achieves improvement over the one-tier system, especially at light and medium load levels. Performance tests have also shown that handoff prioritization can be achieved by restricting the use of the umbrella channels. Further improvement for the two-tier system was obtained by load balancing strategies with respect to the allocation of channels to the different cells.
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Wei Cui and Mostafa A. Bassiouni "Channel allocation and load balancing in totally mobile wireless networks", Proc. SPIE 4045, Digital Wireless Communication II, (26 July 2000);

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