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Multi-hop routing is order-optimal in underwater extended networks

Author(s)
Shin, Won-Yong; Lucani, Daniel Enrique; Medard, Muriel; Stojanovic, Milica; Tarokh, Vahid
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Abstract
Capacity scaling laws are analyzed in an underwater acoustic network with n regularly located nodes. A narrow-band model is assumed where the carrier frequency is allowed to scale as a function of n. In the network, we characterize an attenuation parameter that depends on the frequency scaling as well as the transmission distance. A cut-set upper bound on the throughput scaling is then derived in extended networks. Our result indicates that the upper bound is inversely proportional to the attenuation parameter, thus resulting in a highly power-limited network. Furthermore, we describe an achievable scheme based on the simple nearest-neighbor multi-hop (MH) transmission. It is shown under extended networks that the MH scheme is order-optimal as the attenuation parameter scales exponentially with √n (or faster). Finally, these scaling results are extended to a random network realization.
Date issued
2010-07
URI
http://hdl.handle.net/1721.1/73996
Department
Massachusetts Institute of Technology. Department of Electrical Engineering and Computer Science; Massachusetts Institute of Technology. Research Laboratory of Electronics
Journal
Proceedings of the IEEE International Symposium on Information Theory Proceedings (ISIT), 2010
Publisher
Institute of Electrical and Electronics Engineers (IEEE)
Citation
Shin, Won-Yong et al. “Multi-hop Routing Is Order-optimal in Underwater Extended Networks.” IEEE International Symposium on Information Theory Proceedings (ISIT), 2010. 510–514. © Copyright 2010 IEEE
Version: Final published version
ISBN
978-1-4244-7891-0
978-1-4244-7890-3

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