This paper concerns two-hop communication over relay-assisted Block fading channel. It is assumed there is not a direct link between the transmitter and the affiliated destination and the communication occurs in two hops through the use of a relay, where the amplify and forward (AF) strategy is employed at this node. In this case, in a Rayleigh block fading channel, the optimal weight function ...

this research is a descriptive study which had been performed in order of settlement of communication between the nurses with the confinded patients in the internal cardiac wards in the hospital affiliated to ministry of health and medical educations of tehran. this research has been done in twelve internal cardiac. wards of the hospital affiliated to the ministry of health and medical educatio...

Social media plays a significant role in public services, one of which is transport, while social often promotes active participation and makes cities more adaptive by using media. Public transport Jakarta uses as form contact the provision services. This study looks at Jakarta's delivering excellent information, this research twitter accounts consisting Mass Rapid Transit (MRT), Light (LRT) Bu...