TY - JOUR
T1 - An admission control and channel allocation algorithm based on particle swarm optimization for cognitive cellular networks
AU - Martínez-Vargas, Anabel
AU - Andrade, Ángel G.
AU - Sepúlveda, Roberto
AU - Montiel-Ross, Oscar
N1 - Publisher Copyright:
© Springer International Publishing Switzerland 2014.
PY - 2014
Y1 - 2014
N2 - During the last few years cellular networks have increased the use of spectrum resources due to the success of mobile broadband services. Mobile devices generate more data than ever before, facing the way cellular networks are deployed today to meet the ever increasing traffic demand. Making new exclusive spectrum available to meet traffic demand is challenging since spectrum resources are finite, therefore costly. Cognitive radio technology is proposed, for conventional cellular networks, as a solution to enlarge the pool of available spectrum resources for mobile users through femtocells (small cells), overlaid on the existing macrocell network, to share a common spectrum. However, by reusing simultaneously spectrum resources from femto networks, potentially destructive interference on macro networks is introduced. In this context, we present a femtousers admission control and channel allocation algorithm based on Particle Swarm Optimization (PSO) to maintain the interference to a required Quality of Service (QoS) level in macro-femto networks while, at the same time, data rate is maximized in the whole system. The proposed approach provides design requirements for deploying future cognitive cellular networks.
AB - During the last few years cellular networks have increased the use of spectrum resources due to the success of mobile broadband services. Mobile devices generate more data than ever before, facing the way cellular networks are deployed today to meet the ever increasing traffic demand. Making new exclusive spectrum available to meet traffic demand is challenging since spectrum resources are finite, therefore costly. Cognitive radio technology is proposed, for conventional cellular networks, as a solution to enlarge the pool of available spectrum resources for mobile users through femtocells (small cells), overlaid on the existing macrocell network, to share a common spectrum. However, by reusing simultaneously spectrum resources from femto networks, potentially destructive interference on macro networks is introduced. In this context, we present a femtousers admission control and channel allocation algorithm based on Particle Swarm Optimization (PSO) to maintain the interference to a required Quality of Service (QoS) level in macro-femto networks while, at the same time, data rate is maximized in the whole system. The proposed approach provides design requirements for deploying future cognitive cellular networks.
UR - http://www.scopus.com/inward/record.url?scp=84927163935&partnerID=8YFLogxK
U2 - 10.1007/978-3-319-05170-3_11
DO - 10.1007/978-3-319-05170-3_11
M3 - Artículo
AN - SCOPUS:84927163935
SN - 1860-949X
VL - 547
SP - 151
EP - 162
JO - Studies in Computational Intelligence
JF - Studies in Computational Intelligence
ER -