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Cloud Java Networking BE-Engineering(CO/IT) ME-Engineering(CO/IT) BCS MCS BCA MCA MCM BSC Computer/IT MSC Computer/IT Diploma (CO/IT) IEEE-2016

Cognitive and Opportunistic Relay for QoS Guarantees in Machine-to-Machine Communications

Deploying spectrum sharing machine-to-machine (M2M) communications with the existing wireless networks achievesubiquitous data transportation among objects and the surrounding envi
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Abstract

Deploying spectrum sharing machine-to-machine (M2M) communications with the existing wireless networks achievesubiquitous data transportation among objects and the surrounding environment to benefit our daily life. However, the lack of schemes tocompletely characterize M2M network topology, to efficiently share radio resource, and to provide quality-of-service (QoS) guaranteeregarding end-to-end delay creates challenges to practically facilitate M2M communications. Via mathematical derivations, the networkconnectivity, degree distribution, and average distance are provided for large M2M networks. To achieve reliable communications uponsuch M2M networks, inspired by cognitive radio technology and cooperative communications, a cognitive and opportunistic relay (COR)scheme is proposed. Specifically, machines with the proposed COR autonomously sense the primary systems’ spectrum usage so asto mitigate detractive interference and adopt opportunistic forwarder selection for lower link delay of packet transmissions.Furthermore, by analytical deriving the effective capacity of the COR over connected M2M networks, the throughput under statisticalQoS guarantee and the corresponding delay violation probability are proposed to specify the QoS guarantee capability of the networksand thus suggest the conditions of dependable end-to-end transmissions. Simulation results confirm that the proposed COR effectivelyachieves the delay guarantee performance, to yield a novel framework for facilitating reliable M2M communications in large machinenetworks.


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