Research Article
Frame Capture and Reliability Based Decider Implementation in the MiXiM IEEE 802.15.4 Framework
@INPROCEEDINGS{10.4108/icst.simutools.2014.254639, author={Luis Borges and Fernando Velez and Norberto Barroca and Ant\^{o}nio Lebres}, title={Frame Capture and Reliability Based Decider Implementation in the MiXiM IEEE 802.15.4 Framework}, proceedings={Seventh International Conference on Simulation Tools and Techniques}, publisher={ICST}, proceedings_a={SIMUTOOLS}, year={2014}, month={8}, keywords={frame capture effect packet recovery mixim physical layer}, doi={10.4108/icst.simutools.2014.254639} }- Luis Borges
Fernando Velez
Norberto Barroca
António Lebres
Year: 2014
Frame Capture and Reliability Based Decider Implementation in the MiXiM IEEE 802.15.4 Framework
SIMUTOOLS
ICST
DOI: 10.4108/icst.simutools.2014.254639
Abstract
The task of properly modelling the physical (PHY) layer constitutes the most challenging endeavor in wireless networks simulation. Unfortunately, today, the majority of the wireless sensor network (WSN) simulators consider a simple model for the PHY frame reception, which does not account for emerging research on the frame capture (FC) effect. In this paper, we present enhancements for the PHY layer model for the IEEE 802.15.4 standard employed in the MiXiM framework, to account for the FC effect within WSN-based simulations. These improvements are as follows: i) proposal of a formulation for the PHY layer packet reception based on a reliability concept, identified as the Enhanced Reliability Decision Algorithm, which guarantees the delivery of a packet received by the PHY layer to the medium access control (MAC) layer, with a certain value for the reliability (0.9 and 0.99); ii) different frame overlapping scenarios, and iii) different values for the thresholds to decide frame recovery. The work includes the description, implementation and performance evaluation of the proposed decision algorithm, jointly with the FC effect, in the MiXiM framework simulator, for basic MAC and scheduled channel polling (SCP) MAC protocols. Based on the simulation results, the proposed approach can significantly improve simulation accuracy and provide a PHY decision algorithm that guarantees, with a certain reliability, the delivery of frames to the MAC layer.