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Wireless Ad Hoc and Sensor Networks

Wireless Ad Hoc and Sensor Networks

Wireless Ad Hoc and Sensor Networks

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168 <strong>Wireless</strong> <strong>Ad</strong> <strong>Hoc</strong> <strong>and</strong> <strong>Sensor</strong> <strong>Networks</strong>200Exponential weight moving average for the b<strong>and</strong>width error(adaptive two-layer NN at 1st switch with xd = 350 cells)100B<strong>and</strong>width error (cells/frame)0−100−200−300−400−500Two-layer NN<strong>and</strong>Two-layer NN with over allocation−600Note:Using 4 MPEG <strong>and</strong> 2 on/off data−700Smax = pcr of one sources + 100 cellsFor over allocation, BW = BW/0.65−800 0 1000 2000 3000 4000 5000 6000FramespcrFIGURE 4.7Prediction error at Switch 1.200Exponential weight moving average for the b<strong>and</strong>width error(adaptive two-layer NN at 2nd switch with xd = 350 cells)B<strong>and</strong>width error (cells/frame)1000−100−200−300−400−500−600−700Two-layer NN<strong>and</strong>Two-layer NN with over allocationpcrNote:Using 4 MPEG <strong>and</strong> 2 on/off dataSmax = pcr of one sources +100 cellsFor over allocation, BW = BW/0.65−8000 1000 2000 3000 4000 5000 6000 7000 8000 9000FramesFIGURE 4.8Prediction error at Switch 2.

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