This paper proposes a new channel modelling method for powerline
communications networks based on the multipath profile in the time domain. The
new channel model is developed to be applied in a range of Powerline
Communications (PLC) research topics such as impulse noise modelling,
deployment and coverage studies, and communications theory analysis. To develop
the methodology, channels are categorised according to their propagation
distance and power delay profile.
Recently, it has been shown that CSMA-type random access algorithms can
achieve the maximum possible throughput in ad hoc wireless networks. However,
these algorithms assume an idealized continuous-time CSMA protocol where
collisions can never occur. In addition, simulation results indicate that the
delay performance of these algorithms can be quite bad.