Avoiding collisions between IEEE 802.11 and IEEE 802.15.4 through coexistence aware clear channel assessment

EURASIP Journal on Wireless Communications and Networking

Table 4 Comparison of regular CCA with the three CACCA deployment alternatives

	Regular CCA	Zigbee CACCA	Wi-Fi CACCA	Zigbee + Wi-Fi CACCA
PER_Z,W @ 100 kbps (%)	3.74	3.42	0.35	0.01
Wi-Fi load @ 10% PER_Z,W (Kbps)	297	324	3130	37000
PER_Z,W dependence on
T_Z	High	High	Low	Low
$T_{\bar{Z}}$	None	None	Low	Low
T_W	None	None	Low	Low
$T_{\bar{W}}$	High	High	Med.	Low