Relaying in femtocell networks is a promising and economically viable option to reduce the
co-channel interference while improving indoor coverage and the network capacity in the …

Orthogonal frequency division multiplex-based femtocell networks in downlink with two-tier
interference are considered in this paper. In order to satisfy the quality of service of …

This paper proposes a distributed joint subchannel and power allocation algorithm for the
downlink of an orthogonal frequency-division multiple access (OFDMA) mixed …

Co-channel interference (CCI) is a major issue faced by efficient co-channel deployed
orthogonal frequency division multiple access (OFDMA) based two-tier femtocell systems …

Femtocells have attracted growing attentions in academia, industry, and standardization
forums in recent years. In this paper, we investigate a distributed radio resource allocation …

In this paper, we study power loading and resource allocation for OFDM-based femtocell
networks. To mitigate the interference to the macrocell from the femtocell, interference …

In order to improve the spectrum efficiency in the femtocell network and mitigate the co-
tier/cross-tier interference, we propose a novel graph-theoretic scheme based on coloring …

Relay enhanced cellular network is a promising architecture for next generation wireless
communication system. Introducing relay nodes into cellular networks challenges the …

Femtocells offer many advantages in wireless networks such as improved cell capacity and
coverage in indoor areas. As these femtocells can be deployed in an ad hoc manner by …

Interference control and quality-of-service (QoS) awareness are the major challenges for
resource management in orthogonal frequency-division multiple access femtocell networks …