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Recent advancement in 4th generation (4G) heterogeneous networking has opened the door for the deployment of femtocells on a large scale. Deployment of femtocells in the existing macrocell networks and in 4G networks will significantly increase because femtocells offer increase coverage, capacity and user friendly mode of operations in both home and office environments. Therefore, these low power home-based access points are going to change the landscape of mobile technology and the networking business in the coming years. The objective of this paper is to study and propose different logical indoor femtocells architectures for long term evolution (LTE)-advanced, and examine the impact of these different femtocells architectural changes on the service delivery to end users.