The WSNs research work for healthcare system is the
patient monitoring in several different purposes for instances,
a vital sign monitoring in the surgery patient and a living
assistive system. These applications are mainly involved to the
mobility of the patient equipped devices which is different
from the traditional static WSNs. Moreover, the data from
sensor is not simple as same as environment sensing. The
continuous signal is needed to be transmitted through the
networks. The complex data processing has to perform on the
tiny battery-powered embedded device called node with limited computation and radio communication. Thus these are
the interested research issues of WSNs in healthcare system.