shallow water acoustic network
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angelin
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#1
09-11-2009, 04:06 PM


i need seminar and presentation on shallow water acoustic networks with suitable pictures and ppt
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#2
09-11-2009, 07:30 PM


.pdf   A Shallow Water Acoustic Network for Mine Countermeasures Operations with Autonomous Underwater Vehicles.pdf (Size: 502.87 KB / Downloads: 129)
Underwater acoustic networks are generally formed by acoustically connected ocean bottom sensor nodes, autonomous underwater vehicles (AUVs), and surface stations that serve as gateways and provide radio communication links to on-shore stations. The QoS of such networks is limited by the low bandwidth of acoustic transmission channels, high latency resulting from the slow propagation of sound, and elevated noise levels in some environments. The long-term goal in the design of underwater acoustic networks is to provide for a self-configuring network of distributed nodes with network links that automatically adapt to the environment through selection of the optimum system parameters. Here considers several aspects in the design of shallow water acoustic networks that maximize throughput and reliability while minimizing power consumption
And In the last two decades, underwater acoustic communications has experienced significant progress. The traditional approach for ocean-bottom or ocean-column monitoring is to deploy oceanographic sensors, record the data, and recover the instruments. But this approach failed in real-time monitoring. The ideal solution for real-time monitoring of selected ocean areas for long periods of time is to connect various instruments through wireless links within a network structure. And the Basic underwater acoustic networks are formed by establishing bidirectional acoustic communication between nodes such as autonomous underwater vehicles (AUVs) and fixed sensors. The network is then connected to a surface station, which can further be connected to terrestrial networks such as the Internet
and please read (hops these are helpful links)
acoustics.asn.au/conference_proceedings/AAS2005/papers/86.pdf
dcc.fc.up.pt/~edrdo/papers/oceans07.pdf
ieeexplore.ieeexpl/freeabs_all.jsp?&arnumber=820738
sciencedirectscience?_ob=ArticleURL&_udi=B7576-4T72WXP-1&_user=10&_rdoc=1&_fmt=&_orig=search&_sort=d&_docanchor=&view=c&_searchStrId=1084561235&_rerunOrigin=google&_acct=C000050221&_version=1&_urlVersion=0&_userid=10&md5=c81cf311e690d2026174bac63624b124
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electronics seminars
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#3
18-11-2009, 08:03 PM

A major diffculty in underwater acoustic (UWA) channels is the
extended and dynamic multipath propagation. At the same time, the relative
simplicity of building a hydrophone array, and the relatively low data rates used

please think to read this article also
mit.edu/~millitsa/resources/pdfs/oc08-mandar.pdf
springerlinkindex/w561u284m5405350.pdf
users.ece.gatech.edu/dario/Publications_file/paper/MEDHOCNET04_Poster_UNDERWATER.ppt
engr.uconn.edu/~jcui/UWSN_papers/UCONN_CSE_UbiNet-TR05-02.pdf
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