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Title: MAC/PHY Comprehensive Visible Light Communication Networks Simulation
Authors: Torres-Zapata, Edmundo
Guerra Yánez, Víctor 
Rabadán, José A. 
Luna-Rivera, Martin
Perez-Jimenez, Rafael 
UNESCO Clasification: 3307 Tecnología electrónica
Keywords: Channel Simulation
Ieee 802.15.7
Mac Layer Simulation
Mac/Phy Simulation
Network Simulation, et al
Issue Date: 2020
Journal: Sensors (Switzerland) 
Abstract: In this paper, the effect of channel conditions on the global behavior of a wireless Visible Light Communications (VLC) optical network are studied. It presents a system-level simulator that considers jointly a channel propagation model and the MAC mechanisms to have a realistic description of the network, even in situations where the emitted signal is heavily affected by reflections in any close surface or obstacle. The resulting platform also accurately evaluates both Line-Of-Sight (LOS) and Non-LOS (NLOS) contributions on each node and enables the effective use of Carrier Sense Multiple Access with Collision Avoidance (CSMA/CA) schemes as defined by IEEE 802.15.7r1 standard, as well as allows a correct evaluation of lifelike problems such as the effect of hidden nodes. This work shows the necessity of accurately modeling VLC MAC layer performances, taking also into account the physical nature of visible light propagation in indoor scenarios.
DOI: 10.3390/s20216014
Source: Sensors (Basel, Switzerland)[EISSN 1424-8220],v. 20 (21), (Octubre 2020)
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