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Line 3: == Principles of operation == [[~~Image~~File:MACAW protocol.~~JPG~~jpg\|thumb\|450px\|An example to illustrate the principle of MACAW. It is assumed that only adjacent nodes are in transmission range of each other.]] Assume that node A has data to transfer to node B. Node A initiates the process by sending a ''Request to Send'' frame (RTS) to node B. The destination node (node B) replies with a ''Clear To Send'' frame (CTS). After receiving CTS, node A sends data. After successful reception, node B replies with an acknowledgement frame (ACK). If node A has to send more than one data fragment, it has to wait a random time after each successful data transfer and compete with adjacent nodes for the medium using the RTS/CTS mechanism.<ref name="MACAW"/>

Multiple Access with Collision Avoidance for Wireless: Difference between revisions