MMEDD: Multithreading Model for an Efficient Data Delivery in wireless sensor networks

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Blaise Omer YENKE
Ado Adamou ABBA ARI
Aldelhak GUEROUI


Nowadays, the use of Wireless Sensor Networks (WSNs) is increasingly growing as they allow a large number of applications. In a large scale sensor network, communication among sensors is achieved by using a multihop communication. However, since the sensor is limited by its resources, sensors' operating systems are developed in order to optimize the management of these resources, especially the power consumption. Therefore, the hybrid operating system Contiki uses a low consumption layer called Rime which allows sensors to perform multihop sending with a low energy cost. This is favored by the implementation of lightweight processes called protothreads. These processes have a good efficiency/consumption ratio for monolithic tasks, but the management of several tasks remains a problem. In order to enable multitasking, Contiki provides to users a preemptive multithreading module that allows the management of multiple threads. However, it usually causes greater energy wastage. To improve multithreading in sensor networks, a Multithreading Model for an Efficient Data Delivery (MMEDD) using protothreads is proposed in this paper. Intensive experiments have been conducted on COOJA simulator that is integrated in Contiki. The results show that  MMEDD provides better ratio message reception rate/energy consumption than other architectures.

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YENKE, B. O., WOHWE SAMBO, D., ABBA ARI, A. A., & GUEROUI, A. (2022). MMEDD: Multithreading Model for an Efficient Data Delivery in wireless sensor networks. International Journal of Communication Networks and Information Security (IJCNIS), 8(3). (Original work published December 3, 2016)
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