Modelling and analysis data fragmentation in IEEE 802.15.4 slotted CSMA/CA protocol without ACK mode
Pages 4 - 21
Abstract
The low-rate wireless personal area networks WPANs, as wireless sensor networks WSNs, suffer from many constraints. The IEEE 802.15.4 standard proposes the slotted CSMA/CA as a communication channel access mechanism with collision avoidance that take into account the constraints of WPANs. In this paper, we propose to introduce a data fragmentation mechanism into slotted CSMA/CA to improve a bandwidth utilisation. The novelty, in this paper, is the use of the fragmentation mechanism to replace an acknowledgement frame after the transmission of the fragment and the remaining frame. The beacon frame is used to confirme the success transmission of a data fragment. To evaluate the performances of our proposition, we have developped a three dimension Markov chain which modelises the behaviour of the node using IEEE 802.15.4 with data fragmentation mechanism without using an ACK frame. The analytical results of the network throughput and the transmission success delay demonstrate the improvement of the bandwidth occupation.
References
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- Modelling and analysis data fragmentation in IEEE 802.15.4 slotted CSMA/CA protocol without ACK mode
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Inderscience Publishers
Geneva 15, Switzerland
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Published: 01 January 2017
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