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Inter-cell interference is one of the most limiting problems in high capacity mobile wireless networks. The goal of our work is to limit inter-cell interference in two-hop cooperative communication systems, by exploiting the half-duplex per chunk property of relays. Such relays cannot be interfered on a chunk while they are transmitting on it. Cooperative communications may improve the reliability...
In this paper, we present the construction of full rate, fully diverse, and totally real space-time (ST) codes for ultra-wideband (UWB) transmissions. In particular, we construct two families of codes adapted to real carrierless UWB communications that employ pulse position modulation, pulse amplitude modulation, or a combination of the two. The first family encodes adjacent symbols and is constructed...
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