caption: the pura aloha effect
exif: {"Image DocumentName": "Pure Aloha efficiencyP(success by given node) = P(node transmits) . P(no other node transmits in [t0-1,t0] .", "Image ImageDescription": "P(no other node transmits in [t0,t0+1] = p . (1-p)N-1 . (1-p)N-1. = p . (1-p)2(N-1) \u2026 choosing optimum p and then letting n -> infty ... = 1/(2e) = .18. Very bad, can we do better? 5: DataLink Layer.", "Image XResolution": "37", "Image YResolution": "37", "Image ResolutionUnit": "Pixels/Centimeter", "Image Software": "SlidePlayer", "Image YCbCrPositioning": "Centered"}