Sensing Performance of Advanced LTE Cognitive Femtocells

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Provided by: International Journal of Computer Applications
Topic: Networking
Format: PDF
The deployment of femtocells in a LTE advanced system can extend the system coverage to include indoors. Unfortunately, an electromagnetic interference may occur among the femto users and the macro users in the case of co-channel deployment. A cognitive radio can be used to mitigate the interference among the femtocells and the macrocells. It is applied by allowing the femto users to be handled as secondary users of any other existing network. In this paper, the performance of the LTE advanced Femtocell is studied by using different detectors such as energy detector, cyclostationary detector and matched filter detector, which is not clarified until now.
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