Full-duplex underwater networking
Tate, William R.
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This thesis focuses on developing a full-duplex underwater acoustic network and in developing a new protocol utilizing demand assigned multiple access (DAMA) and frequency division multiple access code (FDMA). This new protocol will be utilized to expand networking capabilities in an underwater environment. A benefit of advancements in this area includes fiscal savings and optimization of bandwidth usage creating an increased rate of data transfer. The research conducted in establishing a full-duplex UAN using FDMA will put the Naval Postgraduate School at the forefront of UAN technology and make a significant contribution to understanding underwater networking, the benefits of full-duplex underwater networking, and full-duplex underwater networking using DAMA. These solutions will increase the efficiency and reliability of underwater data transfer and in turn, could be used for further research or as a stepping stone towards improved monitoring of oceanographic anomalies and littoral waters.
RightsThis publication is a work of the U.S. Government as defined in Title 17, United States Code, Section 101. Copyright protection is not available for this work in the United States.
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Gibson, J.; Kaminski, A.; Xie, Geoffrey (2005-06);Acoustic communications provide a viable means for underwater networking. However, extreme propagation delays, limited bandwidth, and half duplex communications, with its inherent use of delay inducing collision avoidance ...
Bektas, Kurtulus (Monterey, California. Naval Postgraduate School, 2004-03);Establishing a full-duplex underwater network, researching and applying a CDMA protocol to this network, providing a recommendation for a full-duplex underwater network and providing recommendations for using CDMA to ...
Gibson, J.; Bektas, K.; Xie, Geoffrey (2004-06);Multipath fading, severe bandwidth limitation, non-Gaussian noise, and large propagation delays combine to make an underwater acoustic network (UAN) one of the more challenging ad hoc networking environments. It is important ...