Table 7.

Details of battery usage analysis.

Study	Implemented Classifiers	Sensors	Platform	Phone	Battery Lifetime (h)	Battery Capacity (mAh)	Sampling Rates
Miluzzo et al. [38]	Decision tree	A	Symbian	Nokia N95	6	950	Various rates
Wang et al. [42]	Decision tree	A	Symbian	Nokia N95	11.3	950	NA
Reddy et al. [32]	Decision tree + DHMM	A, GPS	Symbian	Nokia N95	8.3	950	32 Hz
Lu et al. [36]	Decision tree	A	Symbian	Nokia N95	16	950	32 Hz
Lane et al. [31]	Naive Bayes	A	Android	Android Nexus One	15	1400	NA
Guiry et al. [59]	Rule-based classifier	A	Android	Samsung Galaxy S	6–8	1500	90 Hz
Siirtola, [52]	KNN, QDA (quadratic discriminant analysis)	A	Android	Samsung Galaxy Mini, Nokia N8	24	1200, 1200	40 Hz
Lara et al. [34]	Decision tree	A	Symbian, Android	HTC Evo 4G	12.5	1500	50 Hz
Liang et al. [35]	Hierarchical recognition scheme using decision tree	A	Android	HTC G11, Samsung Galaxy S2	7, 8, 10	1450, 1650	20, 10, 2 Hz