Smart Homes (Intelligent Homes) are homes with technologically advanced systems to enable domestic task automation, easier communication and higher security. The applications that can be supported by a Smart Home are very wide and their degree of sophistication depends on the underlying technology used. Some of the application areas include automation, monitoring and control of appliances, security, telemedicine, entertainment, location based services, care for children and the elderly etc. This paper explores the concept of Smart Home paradigms and process. Moreover this study is a systematic review of Smart Homes and different academic projects handled by institutions across the world.