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With the exponential increase in mobile users, mobile data demand has grown tremendously. To meet these demands, cellular operators are constantly innovating to enhance the capacity of cellular systems. Consequently, operators have been reusing ...

Self-organizing networks (SONs) are considered as one of the key features for automation of network management in new generation of mobile communications. The upcoming fifth-generation mobile networks and beyond are likely to offer new ...

In Orthogonal Frequency Division Multiple Access based cellular networks, deployment of femtocell is one of the promising developments that can enhance the capacity and coverage of indoor users. However, the deployment of femtocells imposes severe ...

In this paper, an accurate framework is proposed for deriving the closed-form expression for the average symbol error probability (ASEP) of generalized M-ary quadrature amplitude modulation (M-QAM) over the Beaulieu-Xie fading channel. This fading ...

Femtocell deployment is an important strategy when it comes to improvement of QoS metrics in areas of poor cell coverage like indoors in an LTE environment. This, however, is accompanied by bottlenecks in resource allocation and trade-offs in accuracy ...

The paper discusses femtocell identification aspects in mobile networks such as long-term evolution (LTE) and LTE-advanced. Femtocells, or femto access points (FAPs), are new-class of base stations in addition to existing macro, microcells. Unlike these ...

Vastly increasing capacity and coverage demand in communication networks accompanied by energy efficiency challenge is getting attraction in research topics of this area. In this paper, an improved structure of Phantom cell heterogeneous networks is ...

Femto Access Points (FAP) and Device-to-Device (D2D) communications have recently been considered as potential candidates for 5G network densification and cell-edge performance. Mobility and handover management is a major issue in ...

On going demands to connect massive amounts of the heterogeneous mobile devices and data traffics make the mobile operators in desperate need to find energy-efficient solutions for coverage and real-time services. Accordingly, mobile femtocells are ...

Fault tolerant femtocell infrastructures are useful in smart cities to aid the traffic flow.With introduction of IoT, the traffic management will become even more important.Analytical model and simulations are presented for the analysis of various ...

In this paper, a novel GPS-assisted grouping scheme is proposed to reduce the operational cost of cognitive radio networks with femtocells. This scheme allows the cognitive base station (CBS) to determine the minimum number of channels to be rented from ...

Nowadays, femtocells are being part of next-generation wireless broadband system. Femtocells are found to be an efficient solution for achieving better coverage in indoor area, providing high data rates and increasing capacity of cellular networks. In ...

Heterogeneity in cellular networks comprising multiple base stations' types imposes new challenges in network planning and deployment. Radio Resource Management (RRM) techniques such as dynamic sharing of the available resources and advanced user ...

With the next generation of mobile networks closing in, its main characteristics have already been proposed and adapted. Ultra-dense heterogeneous networks seem to be one of the main drivers to answer the need for larger device connectivity and ...

LTE overlay cognitive femtocells system can provide a satisfied throughput for the macro and the femto users. On the other hand, the femto users can assign only the vacated subcarriers from the macro users. This assignment results in a reduced ...

Femtocells are indoor wireless access points that are used to provide cellular access to devices inside a building where macrocells cannot. Dead zones are indoor or outdoor places where there is no macrocell coverage and hence, lack of data transmission ...

The new generations of mobile networks will require economical and viable solutions in order to meet the promises raised by scientists. In this article, the authors overview the available research activities and present an architecture for DAS and ...

Current indoor femtocell networks pose many challenges that could end up into a congested or non-operative cellular communication. In this context, widespread Heterogeneous Cellular Networks (HCNs) and smart devices can provide ...

Femtocells' deployment can extend the LTE coverage to include indoor areas. Unfortunately, a mutual electromagnetic interference can occur among the macro cells and femtocells due to the co-channel deployment. Moreover, interference among the femtocells ...

Femtocells (FC) have been introduced in WiMAX networks due to the high data rate broadband access provided by Wimax networks. The key features like increased cell coverage, high throughput indoors and system capacity of FC are widely being accepted. ...