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We address the throughput-delay tradeoff performance of mobile ad
hoc networks with network coding and broadcasting. We show that
under random walk type mobility models and with $\Theta(1)$
throughput, the delay can be improved from $\Theta(n \log n)$ to
$\Theta(n)$ by employing network coding and broadcasting. Under
i.i.d. mobility models, simulation results indicate that network
coding and broadcasting also provide some improvement in delay,
although not as dramatic. In addition, we address another delay
metric —- application delay, and show that without network coding,
the application delay may be very large. Fortunately, with our
proposed scheme, application delay can be made to be negligible.
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