LTE Femtocell Roadmap from Concept to Reality
The concept of LTE small cells is undeniably sound. Orthogonal frequency-division multiple access (OFDMA), the basis of LTE mobile networks, is a shared channel radio technology and, by definition, the fewer users in a cell the more bandwidth each user is allocated. Furthermore, the user device has a smaller cell radius and is closer to the radio which limits signal degradation and increases throughput. However, once one gets past these foundational benefits the details become murky. The fact remains that early LTE trials and deployments, including any form of LTE femtocell, are not yet underway. This article identifies the key business and technology actions and evaluates progress required to take the LTE femtocell from concept to doorstep.
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