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1.5 KiB
1.5 KiB
This case study concerns the IEEE 802.11 Wireless LAN
We consider the scenario where two stations trying to send packets simultaneously.
The PRISM model is taken from [KNS02a] using the integer semantics given in [KNS06]. In the model one time unit
corresponds to 50μs and to ensure integer bounds, where neccessary, scaling lower bound constraints down and
upper bound constraints up to sensure a sound abstraction.
For more information on the probabilistic timed automata see: http://www.prismmodelchecker.org/casestudies/wlan.php
PARAMETERS
wlanK.nm - K is the maximum value of a stations backoff counter where 6 is specified in the standard
TRANS_TIME_MAX - maximum time to send a packet where (after scaling) 315 specified in the standard
COL=2: in collosion model to count number collisions (parameter k in the property files must be less than or equal to COL)
DEADLINE: in time_bounded model is the deadline
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[KNS02a]
M. Kw