Underwater Wireless Communication Networks Are Affected By Multipath, Large And Variable Propagation Delays

1024 Words5 Pages
security mechanisms are discussed. Underwater wireless communication networks are particularly vulnerable to malicious attacks due to the high bit error rates, large and variable propagation delays, and low bandwidth of acoustic channels. A complete survey of securing underwater wireless communication networks is presented, and the research challenges for secure communication in this environment are outlined.Acoustic channels have low bandwidth. The link quality in underwater communication is severely affected by multipath, fading, and the refractive The unique characteristics of the underwater acoustic communication channel, and the differences between underwater sensor networks and their ground-based counterparts require for the development of efficient and reliable properties of the sound channel. As a result, the bit error rates of acoustic links are often high, and losses of connectivity arise.Radio waves do not propagate well underwater due to the high energy absorption of water. Therefore, underwater communications are based on acoustic links characterized by large propagation delays. The above mentioned characteristics of UWCNs have several security implications. UWCNs suffer from the vulnerabilities which decreases the reliability. So, this article have discussed for security in UWCNs, underlining the specific characteristics of these networks, possible attacks, countermeasures and challenges. Keywords:

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