SSmartphone Energy ConsumptionSmartphone Energy Consumptionde Sasu Tarkoma, Matti Siekkinen, Eemil Lagerspetz, Yu XiaoMateriasElectric batteriesEnergy consumptionSoftware engineeringSmartphonesDesign and constructionElectric power consumptionTECHNOLOGY & ENGINEERING / Mobile & Wireless Communications