Dynamic Resource Allocation in Heterogeneous Wireless Networks

As the wireless technology and standards continue to evolve, wireless communication systems and standards continue to promise to support an even higher number of mobile users, new applications, higher data rates, better coverage and more stringent quality of service (QoS) standards. Users need to be provided with high data rates and reliable service irrespective of their mobility or location. Heterogeneous Networks (HetNets) is one possible network architecture that can help in meet these challenging demands. Deployment of small cells not only helps in achieving better area coverage in wireless networks, but also helps in increasing network capacity through efficient spectrum reuse. Small cells can even reduce the burden on the traditional macrocell-based cellular network by off-loading some of the traffic onto small cell network. The future of wireless networks is thus expected to be highly heterogeneous, with WiFi hot-spots, user-deployed femtocells and other types of small cells coexisting within the macrocell network.