Performance Comparison of IEEE 802.11p and IEEE 802.11b for Vehicle-to-Vehicle Communications in Highway, Rural, and Urban Areas

Table 1

Regional differences in DSRC.

Features	Japan	Europe	USA
Radio band	80 MHz	20 MHz	75 MHz
Data rate	1–4 Mbps	250 Kbps	3–27 Mbps
Communication range	30 m	15–20 m	1000 m (max)
Radio frequency	5.8 GHz	5.8 GHz	5.9 GHz