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Wireless Ad Hoc and Sensor Networks

Wireless Ad Hoc and Sensor Networks

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460 <strong>Wireless</strong> <strong>Ad</strong> <strong>Hoc</strong> <strong>and</strong> <strong>Sensor</strong> <strong>Networks</strong>for the selection of incoming flow rate <strong>and</strong> estimating the outgoingrate with the neural network equation for traffic parameterupdates (Equation 9.10). Assume that the outgoing flow ratechanges from the initial 5 packets per interval to 7 packets perinterval at iteration 10. Calculate estimated value of outgoingflow, estimation error, queue level, <strong>and</strong> the difference from idealqueue utilization. The queue size is equal to 20 packets, the idealqueue utilization is equal to 10 packets, l = 0.001, <strong>and</strong> k bv = 0.1.Assume that the disturbance, d(k), is equal to zero.Problem 9.3.2: Repeat simulation in Problem 9.3.1 with disturbance,d(k), altering between +1 <strong>and</strong> 1 for each iteration ( d( k) = k mod2).Section 9.4Problem 9.4.1: Select a high-density WSN with several cluster heads.Redo Example 9.4.1.Problem 9.4.2: Redo Example 9.4.2 using a high-density ESN consistingof 150 nodes.Problem 9.4.3: Redo Example 9.4.3 by varying the packet size at thebuffers. Plot end-to-end delay, queue utilization, <strong>and</strong> energyefficiency.

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