Table 1: Comparison of network lifetime for uniform and non-uniform grid structures.

Node densityLifetime for Uniform grid (time units)Lifetime for Alternating non-uniform grid (time units)Lifetime for Source non-uniform grid (time units)Lifetime for Sink non-uniform grid (time units)

100 nodes600880550800
200 nodes68012507801170
400 nodes1800184016601250
1000 nodes3000450040004300