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On the delay in a multiple-access system with large propagation delay

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3 Author(s)
B. Hajek ; Dept. of Electr. & Comput. Eng., Illinois Univ., Urbana, IL, USA ; N. B. Likhanov ; B. S. Tsybakov

The effect that large propagation delay has on the problem of network access is explored for the infinite population model with success-idle-collision feedback information, where the feedback information suffers a large propagation delay N. A simple lower bound is given on the probability that a packet is not successfully transmitted within N/2 time units (not including the forward propagation delay), where N is the station-to-station propagation delay. The bound implies a lower bound on the mean access delay. We also display an algorithm for which the transmission delay is within a factor of three of the lower bound, for moderate traffic loads and asymptotically large propagation delay

Published in:

IEEE Transactions on Information Theory  (Volume:40 ,  Issue: 4 )