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Capacity bounds are compared for four different deterministic models of wireless networks, representing four different ways of handling broadcast and superposition in the physical layer. In particular, the transport capacity under a multiple unicast traffic pattern is studied for a 1-D network of regularly spaced nodes on a line and for a 2-D network of nodes placed on a hexagonal lattice. The considered...
This paper studies the K > 2 user cognitive radio network. In this paper, there are one licensed transmit-receive pair and K - 1 cognitive transmit-receive pairs wishing to communicate simultaneously. For the case of a class of ??very strong?? interference channels, this paper shows that all users can simultaneously communicate as if all cross-channels in the interference network were absent.
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