On the effects of frequency scaling over capacity scaling in underwater networks - Part II: Dense network model

Won Yong Shin, Daniel E. Lucani, Muriel Médard, Milica Stojanovic, Vahid Tarokh

Research output: Contribution to journalArticle

15 Citations (Scopus)

Abstract

This is the second in a two-part series of papers on information-theoretic capacity scaling laws for an underwater acoustic network. Part II focuses on a dense network scenario, where nodes are deployed in a unit area. By deriving a cut-set upper bound on the capacity scaling, we first show that there exists either a bandwidth or power limitation, or both, according to the operating regimes (i.e.; path-loss attenuation regimes), thus yielding the upper bound that follows three fundamentally different information transfer arguments. In addition, an achievability result based on the multi-hop (MH) transmission is presented for dense networks. MH is shown to guarantee the order optimality under certain operating regimes. More specifically, it turns out that scaling the carrier frequency faster than or as n{1/4} is instrumental towards achieving the order optimality of the MH protocol.

Original languageEnglish
Pages (from-to)1701-1719
Number of pages19
JournalWireless Personal Communications
Volume71
Issue number3
DOIs
Publication statusPublished - 2013 Aug

All Science Journal Classification (ASJC) codes

  • Computer Science Applications
  • Electrical and Electronic Engineering

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