A Survey on Energy Efficient Wireless Sensor Networks for Bicycle Performance Monitoring Application

Table 1

Comparison between wireless technologies used in bicycle monitoring.

Parameters	Wireless technology
	Bluetooth (IEEE802.15.1)	ZigBee/IEEE802.15.4	ANT
Frequency band(s)	2.4 GHz	868/915 MHz, 2.4 GHz	2.4 GHz
Data rate	1 Mbps^1 [104], 1.2 Mbps^2 [105]; 3 Mbps^3 [106], 24 Mbps^4 [105]	20 kbps^a, 40 kbps^b,; 250 kbps^c [107]	1 Mbps
Output power	0 dBm^5, 4 dBm^6, 20 dBm^7 [108]	(−25–0) dBm	0 dBm
Transmission range	1 m^5, 10 m^6, 100 m^7 [108]	(10–100) m	30 m
Power consumption	(40–100) mW	1 mW	0.183 mW
Battery life (coin cell)	(1–7) days	(4–6) months	3+ years
Latency	<10 sec	(20–30) ms	≈Zero
Spreading type	FHSS	DSSS	Adaptive isochronous
Number of devices in network	7 (active)/255 (total) [109]	65535	2^32
Number of RF channels	79	One^a, 10^b, 16^c [110]	125
Complexity	High	Low	Low
Network topology	Ad-hoc, point to point, star	Ad-hoc peer-to-peer,; mesh, and star	Broadcast ad hoc peer to peer, mesh, and star

Bluetooth LE, ²Bluetooth 1.2, ³Bluetooth 2.0 + EDR, ⁴Bluetooth 3.0, and Bluetooth 4.0, ⁵Class 3, ⁶Class 2, ⁷Class 1, ^afor 868 MHz, ^bfor 915 MHz, ^cfor 2.4 GHz.