Dear all, I want to simmulate Csma/ca used in 802.15.4, but I do not know how to start, I do not konw how to count the number of collision, when to start collision, I think collision can only start when more than two nodes send data to a node at the same time, another question is how I can change CW, BE and NB in source code .so that another question is how I know what I simulate is Csma/ca. Thank you for your reading and answering in advance. Wang
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