Fabrizio Granelli

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Recent interest in car-to-car communications and networking has lead to the definition of the concept of “Vehicle Ad-hoc NETwork” (VANET) as an infrastructure-free ad-hoc networking solution in the automotive scenario. The requirement for providing reliable and efficient routing schemes in presence of relative movement motivates the proposal of MORA, a(More)
The increase in computational abilities of current electronic devices, and recent developments in computer science and artificial intelligence have permitted researchers to start thinking about introducing cognitive functionalities in wireless networks and devices. These functionalities allow wireless systems to become more flexible. They also enable(More)
The paper presents the problem of performance degradation of transport layer protocols due to congestion of wireless local area networks. Following the analysis of available solutions to this problem, a cross-layer congestion avoidance scheme (CTCP) is presented, able to obtain higher performance by gathering capacity information such as bandwidth and delay(More)
Cloud computing is an emerging paradigm that provides computing, communication and storage resources as a service over a network. Communication resources often become a bottleneck in service provisioning for many cloud applications. Therefore, data replication which brings data (e.g., databases) closer to data consumers (e.g., cloud applications) is seen as(More)
In order to increase the penetration of electric vehicles, a network of fast charging stations that can provide drivers with a certain level of quality of service (QoS) is needed. However, given the strain that such a network can exert on the power grid, and the mobility of loads represented by electric vehicles, operating it efficiently is a challenging(More)
Cognitive radios represent a promising technique to address the problem of efficient spectrum utilisation. However, their performance is limited by their capability to sense the spectrum. This letter proposes a fair comparison between soft and hard spectrum sensing schemes, based on the practical assumption of limited time resources, which was never(More)
Grids involve coordinated resource sharing and problem solving in heterogeneous dynamic environments to meet the needs of a generation of researchers requiring large amounts of bandwidth and more powerful computational resources. The lack of resource ownership by grid schedulers and fluctuations in resource availability require mechanisms which will enable(More)
Cooperative spectrum sensing is envisaged to increase reliability in cognitive radio networks. Several users cooperate to detect the availability of a wireless channel. In this framework, some malicious users may affect the decisions taken by the cognitive users by providing false information, introducing spectrum sensing data falsification (SSDF). In this(More)
Providing reliable and efficient routing in presence of relative movement motivates the introduction of movement awareness to improve performance of existing position-based routing schemes in vehicular ad-hoc networks. The proposed algorithm represents a modification of well-known GPSR which exploits information about movement in order to improve the next(More)
The layering principle has been long identified as a way to increase the interoperability and to improve the design of telecommunication protocols, where each layer offers services to adjacent upper layers and requires functionalities from adjacent lower ones. In the past, layering has enabled fast development of interoperable systems, but at the same time(More)