The prospects of cloud-based cyber–physical systems (CCPSs) has drawn a great deal of interest from academia and industry. CCPSs facilitate the continuous integration of devices in the physical world with cyberspace. This enables a range of emerging applications or systems such as patient or health monitoring, which require patient locations to be tracked. CCPSs for patient monitoring by using smart phones to obtain voice and electroencephalogram signals in a real-time and efficient manner.