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AWSN/13/
Mediation Device Protocol,
The Mediation Device Protocol,
Contention Based Protocols
Power Aware Multi-Access with Signalling (PAMAS)
Schedule Based Protocols
Mediation Device Protocol: Advantages & Disadvantages
Advantages
It does not require any time synchronization between the nodes, only the mediation device has to learn the periods of the nodes.
Drawbacks
The mediation device is energy unconstrained.
Need sufficient mediation devices to cover all nodes.
Schedule Based Protocols
The scheduled Based MAC Protocol is a communication protocol, it is used for access nodes in the shared medium is divided with respect to time (Time Division Multiple Access), frequency (Frequency Division Multiple Access) and pseudo codes (Code Division Multiple Access).
It allows the different nodes to access the shared channel without collision. It is energy efficient protocol hence they do not waste energy in collision and idle listening.
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