Abstract
Latest progress in wireless communication technology has enabled the development of low-cost sensor networks with major concern on quality of service (QoS) provisioning. Wireless sensor networks (WSNs) can be adopted in various application domains but each use is likely to pose peculiar technical issues. Basically, we demonstrate that congestion, packet loss and delay have strong influence on the performance of WSNs. In order to implement a realistic sensor network policy to resolve the problem of data delay and avoidance of collisions that lead to packet losses, we develop a system that guarantees QoS in WSNs using Fuzzy Logic Controller (FLC) for sensitivity analysis of the effect of adaptive forward error correction (AFEC). The AFEC approach improves the throughput by dynamically tuning FEC subject to the nature of wireless channel loss thereby optimizing throughput, sensor power utilization, while minimizing traffic retransmission, bit error rate (BER), and energy consumption. Basically, parameters such as packet delivery ratio, packet loss, delay, error rate, and throughput are appraised. The system has a spread procedure which is able to schedule the transmission of the nodes in order to have a data flow that converges from the furthest nodes toward the fusion centre. The key benefit of the scenario showed that, after extensive simulation using realistic field data, the procedure permits a practical approach to obtaining optimal solution to loss packets retransmission problem in WSNs giving a strong improvement on QoS provisioning.
Highlights
Due to recent technological advancement in network communication, manufacturing of small and low cost wireless sensor nodes (SNs) has become technically and economically feasible
In order to implement a realistic sensor network policy to resolve the problem of data delay and avoidance of collisions that lead to packet losses, we develop a system that guarantees quality of service (QoS) in Wireless sensor networks (WSNs) using Fuzzy Logic Controller (FLC) for sensitivity analysis of the effect of adaptive forward error correction (AFEC)
This paper is aimed at identifying loss packets during transmission, which provides an opportunity to study the trend of packet loss, its effect on the network turnover and how the lost packets can be retransmitted in order to achieve intended result and meet some goals of WSNs
Summary
Due to recent technological advancement in network communication, manufacturing of small and low cost wireless sensor nodes (SNs) has become technically and economically feasible. Owing to their limited size, weight and ad-hoc method of deployment, the available power and memory size are limited. Wireless communication has the reputation of being unpredictable. The quality of wireless communication depends on the environment, the part of the frequency spectrum under use, the particular modulation schemes under use, and possibly on the communicating devices themselves. Communication quality can vary dramatically over time, and has been reputed to change with slight spatial displacements. As a result of this, and the paucity of large-scale deployments, it is perhaps not surprising that there have been no medium to large-scale measurements of ad-hoc wireless systems
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