Abstract The Internet of Things (IoT) is expected to require more effective and efficient
wireless communications than ever before. For this reason, techniques such as spectrum …

Traditional power grids are currently being transformed into smart grids (SGs). SGs feature
multi-way communication among energy generation, transmission, distribution, and usage …

Energy efficiency in cellular networks is a growing concern for cellular operators to not only
maintain profitability, but also to reduce the overall environment effects. This emerging trend …

Cognitive radio (CR) is the enabling technology for supporting dynamic spectrum access:
the policy that addresses the spectrum scarcity problem that is encountered in many …

With the rapid proliferation of new technologies and services in the wireless domain,
spectrum scarcity has become a major concern. The allocation of the Industrial, Medical and …

Giuseppe Anastasi received the Laurea (cum laude) degree in Electronics Engineering and
Ph. D. in Computer Engineering, both from the University of Pisa, Italy, in 1990 and 1995 …

Dynamic spectrum access stands as a promising and spectrum-efficient communication
approach for resource-constrained multihop wireless sensor networks due to their event …

Internet of things (IoT) paradigm poses new challenges to the communication technology as
numerous heterogeneous objects will need to be connected. To address these issues new …

Dynamic spectrum policies combined with software defined radio are powerful means to
improve the overall spectral efficiency allowing the development of new wireless services …

The majority of work in cognitive radio networks have focused on single-hop networks with
mainly challenges at the physical and MAC layers. Recently, multi-hop secondary networks …