of service for the usage of mobile in the home; (ii) cheap cellular services delivery costs; and (iii) support of already- existing handsets with no new requirements on the device side. local market conditions. But at top level, we consider that the femtocell business models for an operator may be one or rather a combination of these three approaches: mostly relevant in markets where cellular voice coverage is still a critical issue; from the macrocell network, they may limit the need to in- vest for more capacity in the macrocell network; tiated consumer offerings for mobile at home. This could consist, for instance, of attractively priced all-you-can-eat plans. a few questions come to mind: How do they differentiate between the existing dual-mode WiFi/cellular device offerings? What devices and applications can really benefit from higher data rates at home? Does this require the mobile operator to control the fixed broadband access? Will end-users accept a mini base station in the home? Is it for private access only, or is it open to all the operator's customers? added together. Various players have already underlined the technology challenges of femtocells, and we hope to soon see results of the ongoing trials that will give an indication of the progresses made. access point inside the home and backhauling the cellular traffic via the customer's broadband internet access line brings tangible benefits to mobile operators. At the top-level, the objective is basically for mobile operators to make cellular access more competitive in the home environment where in europe, for instance, 30-40% of the mobile voice traffic is generated, as well as a significant proportion of mobile data usage. |