The Scientific World Journal / 2014 / Article / Fig 6

Research Article

Design and Performance Evaluation of a Distributed OFDMA-Based MAC Protocol for MANETs

Figure 6

An example scenario of an LET5.
(a) At time , both and are sending RTS frames to to reserve a PDU bin 1 while sends a to
(b) At time , detects a LET3 and assigns the PDU bin 3 to by sending a
(c) At time , the data sent from to fail the data transmission from to