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Table 2 Experiment parameters for X-MAC protocol

From: Evaluation of a duty-cycled asynchronous X-MAC protocol for vehicular sensor networks

Parameter Value
T 200 ms
t Data 50 ms
t sync 30 ms
t RTS 15 ms
t CTS 15 ms
t ACK 5 ms
Topology structure Square (50 × 50 m 2), sensor node
  distributed uniformly
Total number of sensor nodes 5, 12, 17 sensor nodes
Message payload 64 b
Node density .002,.005,.007
Tx data rate 250 kbps
Transmission range 18−29 m
Propagation delay 1 μs
t x xp 0.0525 W
r x xp 0.0591 W
sp 0.0525 W