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Machine-to-Machine (M2M) communications is one of the key enablers of the Internet of Things (IoT). Billions of devices are expected to be deployed in the near future for novel M2M applications demanding ubiquitous access and global connectivity. In order to cope with the massive number of machines, there is a need for new techniques to coordinate the access and allocate the resources. Although the...
Clustering is a well known methodology to optimize the use of the resources, to lower the congestion and to improve the reliability in self-organized networks as the wireless sensor networks. This paper deals with the proposal of a novel clustering approach based on a low complexity distributed cluster head election based on a two-stage process. In particular, a suitable objective function is introduced...
Recently, the self organization approach has been incorporated into the 3rd Generation Partnership Project (3GPP) standards in order to implement mechanisms such as auto configuration, auto healing, and self optimization of the deployed network architecture. However, the Self Organization Networks (SONs) functionalities in Long Term Evolution (LTE) do not include Heterogeneous Networks (HetNets) scenarios...
Machine-to-Machine (M2M) communications are gaining momentum due to the rapid deployment of smart devices with self-organizing capabilities, able to interact each other without the human operator support. Ultimately, M2M paradigm allows Machine-Type Communication Devices (MTCD) to exchange data in Peer-to-Peer (P2P) mode, avoiding the need of a core network handling end-to-end communication establishment...
This paper deals with a clustering approach for VANETs operating in highway scenarios, where a certain degree of correlation among vehicles emerges such that a group mobility pattern is expected. The proposed protocol is inherently mobility driven as the reference metric to select a Cluster Head (CH) takes into account the node connectivity within an estimated coherence time interval. Our clustering...
This paper presents a novel energy-aware communication scheme based on random network coding that is suitable for multicast and broadcast data delivery over Long Term Evolution (LTE) and LTE-Advanced networks. The proposed energy-aware transmission scheme minimises the average energy consumption of the macro base station that is required to deliver a message to all users in a multicast group in an...
In this paper a new proposal to perform QoS routing in Mobile Ad-hoc NETwork (MANET) is presented and it relies on paradigms of Quality of service Optimized Link State Routing (QOLSR) protocol. The proposed technique is based on the definition of two different priority levels for traffic flows: high priority level and best effort level. While more classes can be defined, the approach is of interest...
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