supported by the Program for New Century Excellent Talents in University of China(NCET-11-1025);the NationalNatural Science Foundation of China(No.61162003,61163050,6126104);Qinghai office of science and technology(grant No.2012-Z-902);the Natural Science Foundation of Tianjin(No.10JCYBJC00600)
The characteristics of underwater acoustic channel such as long propagation delay and low bit rate cause the MAC(Medium Access Control) protocols designed for radio channels to be either inapplicable,or have low effic...
supported by the Program for New Century Excellent Talents in University of China(NCET-11-1025);the National Natural Science Foundation of China(61162003,61163050,6126104);Qinghai Office of Science and Technology(2012-Z-902);the National Basic Research Program of China(2011CB311809);the Natural Science Foundation of Tianjin(10JCYBJC00600)
Underwater sensor network(UWSN) adopts acoustic communication with more energy-consumption and longer propagation-delay, which bring great challenges to protocol design. In this paper, we proposed level-based adapti...