Allocation conjointe des canaux de fréquence et des créneaux de temps et routage avec QdS dans les réseaux de capteurs sans fil denses et étendus

Abstract : The general context of the present memory is about the cross-layer optimization of wireless sensors networks based on ultra wide band technology UWB. The proposed solutions ensure the share and the efficient allocation of spectral and temporal resources, the optimization of the energy consumption and the support of multi-constraints quality of services QoS. The most challenging issue is providing a tradeoff between the resource efficiency and the multiconstrained QoS support. For this purpose, we proposed a new Wireless Hospital Sensor Network (WHSN) three-tiered architecture in order to support large-scale deployment and to improve the network performance. Then we designed a channel allocation scheme (UWBCAS,) and a prioritized multi-channel multi-time slot MAC protocol (PMCMTP) to enhance network performance and maximize the resource utilization. Finally, we proposed a joint duty cycle scheduling, resource allocation and multi-constrained QoS routing algorithm (JSAR) which simultaneously combines, a duty cycle scheduling scheme for energy saving, a resource allocation scheme for efficient use of frequency channels and time slots, and an heuristic for multi-constrained routing protocol
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https://hal.univ-lorraine.fr/tel-01750586
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Submitted on : Thursday, March 29, 2018 - 12:49:54 PM
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Jamila Ben Slimane. Allocation conjointe des canaux de fréquence et des créneaux de temps et routage avec QdS dans les réseaux de capteurs sans fil denses et étendus. Autre [cs.OH]. Université de Lorraine, 2013. Français. ⟨NNT : 2013LORR0224⟩. ⟨tel-01750586⟩

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