In recent years,the great interest in Wireless Body Area Networks(WBANs)has been aroused significantly due to the advancement in wireless communications.In wire
Massive Multiple Input Multiple Output(MIMO)has been considered as an emerging technology to enhance the spectral and energy efficiency for the upcoming wireles
Smartphones and other connected devices rely on data services,such as Web Services(WS),Google Cloud Messaging(GCM)and Firebase Cloud Messaging(FCM),to share the