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QAC020C156S Data Communication and Network Routing

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University of Roehampton

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MN603 Wireless Networks and Security

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Human underwater activities in oceans are growing fast in recent years and a huge number of sensors, actuators and various types of vehicles have been deployed underwater. Underwater things equipped with communication functions are able to construct the Internet of Underwater Thing (IoUT). Thus, underwater wireless networking has been becoming a hot research topic for more than one decade. Similar to radio-frequency based wireless networks (RWNs) used in terrestrial environments, the medium access control (MAC) protocol is one of the most important parts for underwater wireless networks. Since radio signal cannot propagate well in underwater environments, currently acoustic communication is widely used. However, due to peculiar features of underwater acoustic channels such as slow signal propagation speed (about 1.5 km/s in seawater), very small channel capacity, low channel quality and high dynamics of channel quality, MAC protocol design for underwater acoustic networks (UWANs) faces many new challenges. Especially, the long propagation delay is a key factor that makes the MAC design strategy widely adopted by RWNs unsuitable for UWANs.

The assessment requires the students to compare the existing radio-frequency (RF) based wireless networks (RWNs) with the Underwater Acoustic Networks and evaluate the Medium Access Control (MAC) Protocols for Underwater Acoustic Networks. The students are required to submit a report which addresses the following issues:

1. Comparison of (RWNs) with (UWANs)

2. Evaluate Medium Access Control (MAC) Protocols for Underwater Acoustic Networks (UWANs) considering proposed strategies based on:

 a. Long Propagation Delays

 b. Signal-based reservation

 c. Scheduling based MAC

 d. Receiver initiated protocols

MN603 Wireless Networks and Security

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Tellus molestie nunc non blandit massa enim nec dui. Tellus molestie nunc non blandit massa enim nec dui. Ac tortor vitae purus faucibus ornare suspendisse sed nisi. Pharetra et ultrices neque ornare aenean euismod. Pretium viverra suspendisse potenti nullam ac tortor vitae. Morbi quis commodo odio aenean sed. At consectetur lorem donec massa sapien faucibus et. Nisi quis eleifend quam adipiscing vitae proin sagittis nisl rhoncus. Duis at tellus at urna condimentum mattis pellentesque. Vivamus at augue eget arcu dictum varius duis at. Justo donec enim diam vulputate ut. Blandit libero volutpat sed cras ornare arcu. Ac felis donec et odio pellentesque diam volutpat commodo. Convallis a cras semper auctor neque. Tempus iaculis urna id volutpat lacus. Tortor consequat id porta nibh.

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QAC020C156S Data Communication and Network Routing

Question: Module Learning Outcomes 1.Demonstrate a broad understanding of the knowledge base of this module, and its terminology and discourse (with specific reference to transmission media, data encoding, transmission modes, error detection and correction, flow control, multiplexing, switching t ...

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