The use of cognitive-radio (CR)-enabled femtocell is regarded as a promising technique in
wireless communications, and many studies have been reported on its resource allocation …

Deploying femtocell networks embedded in the Macrocell coverage greatly benefits
communication quality in variety manners. However, the lack of schemes to effectively …

In this paper, a novel framework is proposed to jointly optimize user association and
resource allocation in the uplink cognitive femtocell network (CFN). In the considered CFN …

Cognitive radio and femtocells are recent technology breakthroughs that aim to achieve
throughput improvement by means of spectrum management and interference mitigation …

Deploying femtocell networks achieves great spatial reuse at the price of severe interference
from concurrent transmissions. To mitigate the downlink interference from femtocell base …

In two-tier networks consisting of a macrocell overlaid with femtocells in cochannel
deployment and closed-access policy, spatial reuse is achieved at the price of severe …

To successfully deploy femtocells overlaying the Macrocell as a two-tier that had been
shown greatly benefiting communications quality in various manners, it requires to mitigate …

Femtocell is envisioned as a highly promising solution for indoor wireless communications.
The spectrum allocated to femtocells is traditionally from the same licensed spectrum bands …

Femtocell networks have the potential to satisfy the increasing demand of mobile data
usage. The recently proposed concept of cognitive femtocell network provides an effective …

Adopting small cells, including femtocells, is a promising evolution of future wireless cellular
systems to meet the explosive demand for high data rates. As the number of distributively …