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ENC3250 Solutions pg 12

ENC3250 Solutions pg 12 - c Transmission efficiency...

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-12- c. 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0 X Transmission efficiency 48 96 144 192 240 N (fixed) N (variable) Nopt N for fixed-sized cells has a sawtooth shape. For long messages, the optimal achievable efficiency is approached. It is only for very short cells that efficiency is rather low. For variable-length cells, efficiency can be quite high, approaching 100%
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