Cooperation, Multihopping and Relaying in Underwater Networks
Mathematics of Relaying and Cooperation in Communication Networks
April 10,2006 10:30 AM to 11:00 AM
Speakers:
Mitra, Urbashi
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Abstract: |
There has been significant activity in answering information and communication theoretic questions for wireless networks. A largely ignored arena is that of underwater networks. Furthermore, while there has been focus on establishing methods for point-to-point links in underwater systems -- the underwater communications network has been not been rigorously treated. Underwater communication channels are characterized by very significant delay spreads (often on the order of hundreds of symbols), very sparse multipath, transmission distance dependent effective bandwidth, and high Doppler. In this talk, we review several analyses and algorithm developments for the underwater acoustic communication network. We show how the underwater channel features impact designs for cooperative communication systems and sensor networks where distributed space-time coding, equalization, multihopping/relaying are considered. |
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