Consider HgSWWSN where the narrow search space in which the nodes form an LL is limited to 1km × 0 . 1km. The node density of sensors in the entire sensor network field is about 500 sensors per square kilometer. If the probability of a WSN node forming an LL is about 0.1, estimate the following: (a) the fraction of time a given node operates its LL in the first round of operation and (b) the number of WSN nodes with LL present in the narrow search space.

What will be an ideal response?


(a) N=Number of sensor nodes in the narrow search space = Density of Sensor Nodes

× Area of the narrow search space



On an average on the first round a given node may operate its link for 11% of the time slot.

(b) The number of LLs operate in the narrow search space during the first time slot is



Computer Science & Information Technology

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