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The results of the Matlab simulations show that if the frame arrivals follow a Poisson distribution, the method 1 generally leads to higher energy saving than the technique based on a simplified prediction method 2. This becomes more and more evident as the traffic rate gets lower.
On the other hand method 2 usually produces less additional latency on the traffic than method 1. The situation changes when the frame interarrival times follow an exponential distribution with a mean value that changes over time.
In this case the proposed method 1 shows better latency performances than method 2 in the majority of the tests. This happens thanks to the prediction method adopted in method 1 that adapts more quickly to changing traffic conditions.
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IEEE/ICACT20210174 Slide.14
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