Inter carrier interference (ICI) is deemed as a critical issue in orthogonal frequency division
multiple access (OFDMA) systems. Though ICI caused by Doppler spread is negligible in …

One of the effective techniques of improving the coverage and enhancing the capacity and
data rate in cellular wireless networks is to reduce the cell size (ie, cell splitting) and …

Femtocell networks, consisting of a conventional macro cellular deployment and overlaying
femtocells, forming a hierarchical cell structure, constitute an attractive solution to improving …

Inter-cell interference (ICI) mitigation is always a big challenge issue in cellular systems. In
this work we propose an Enhanced Fractional Frequency Reuse (EFFR) scheme with an …

Femtocell is a very promising technology to enhance the indoor coverage and improve the
network capacity. However, the cross-tier and co-tier interference are the key issues in two …

In uplink orthogonal frequency division multiple access (OFDMA) systems, multiuser
interference (MUI) occurs due to different carrier frequency offsets (CFO) of different users at …

Orthogonal Frequency Division Multiple Access (OFDMA) technique is extensively deployed
in existing and next generation cellular networks to reduce interference and improve …

Interference control is one of the fundamental challenges in resource allocation of femtocell
networks that use orthogonal frequency-division multiple access (OFDMA). In this paper, a …

In this paper, we propose a multiuser interference cancellation scheme for orthogonal
frequency division multiple access (OFDMA) uplink systems. In the scheme, two steps of …

It is important to improve the cell-edge throughput of the next generation mobile
communication systems. Frequency reuse schemes such as 3-cell reuse or fractional …