ABSTRACT
Recently, femtocell system has attracted much attention in the community of wireless communications. The femtocell (called as “access point base station”) is a subminiature base station that is used in indoor environments such as home or ofce. It can connect mobile phone with Internet and provide wireless and wireline convergence services with inexpensive cost. Therefore, a femtocell allows service providers to extend service coverage indoors where wireless link would be limited or unavailable. In this section, we briey describe the concept and historical background of femtocell system. Through comparison with other similar systems, its key benets and current standardization issues are discussed.
