Performance of the 802.11p Physical Layer in Vehicle-to-Vehicle Environments : TELEMATICS ADVANCES FOR VEHICULAR COMMUNICATION NETWORKS
Identifieur interne : 000651 ( Main/Merge ); précédent : 000650; suivant : 000652Performance of the 802.11p Physical Layer in Vehicle-to-Vehicle Environments : TELEMATICS ADVANCES FOR VEHICULAR COMMUNICATION NETWORKS
Auteurs : Joseph A. Fernandez [États-Unis] ; Kevin Borries [États-Unis] ; LIN CHENG [États-Unis] ; B. V. K. Vijaya Kumar [États-Unis] ; Daniel D. Stancil [États-Unis] ; Fan Bai [États-Unis]Source :
- IEEE transactions on vehicular technology [ 0018-9545 ] ; 2012.
Descripteurs français
- Pascal (Inist)
- Evaluation performance, Réseau sans fil, Télécommunication sans fil, Télématique, Réseau communication personnel, Réseau local sans fil, Transmission à courte distance, Norme, Canal variant dans temps, Egalisation, Taux erreur paquet, Transmission donnée, Implémentation, Réseau porte programmable, Faisabilité, Débit information, Critère conception, Information utile, Multiplexage fréquence orthogonal, Transmission information.
- Wicri :
- topic : Télécommunication sans fil, Télématique, Norme.
English descriptors
- KwdEn :
- Data transmission, Design criterion, Equalization, Feasibility, Field programmable gate array, Implementation, Information rate, Information transmission, Orthogonal frequency division multiplexing, Packet error rate, Performance evaluation, Personal communication networks, Short range transmission, Standards, Telematics, Time variable channel, Useful information, Wireless LAN, Wireless network, Wireless telecommunication.
Abstract
A reliable robust wireless network of connected vehicles is desired to enable a number of future telematics and infotainment applications in the vehicular domain. To achieve this objective, vehicle-to-vehicle (V2V) communication is standardized by the IEEE 802.11p Dedicated Short Range Communications (DSRC) standard. Providing reliable communication performance in a highly dynamic time-varying V2V channel is a challenging task. To tackle this challenge, we propose a dynamic equalization scheme, on top of the existing DSRC technology, that significantly improves the packet error rate (PER) of data transmissions without changing the DSRC standard. We also show a hardware implementation of this scheme based on a field-programmable gate array (FPGA) to demonstrate its implementation feasibility. Furthermore, we extend our improved equalization scheme to various data rate options available in the DSRC standard, showing that the proposed scheme is sufficiently generic to support different types of V2V communication. Finally, we report the results of investigating the dependence of wireless communication performance (in terms of PER and throughput) on various design parameters such as packet length, payload size, and data rate.
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<front><div type="abstract" xml:lang="en">A reliable robust wireless network of connected vehicles is desired to enable a number of future telematics and infotainment applications in the vehicular domain. To achieve this objective, vehicle-to-vehicle (V2V) communication is standardized by the IEEE 802.11p Dedicated Short Range Communications (DSRC) standard. Providing reliable communication performance in a highly dynamic time-varying V2V channel is a challenging task. To tackle this challenge, we propose a dynamic equalization scheme, on top of the existing DSRC technology, that significantly improves the packet error rate (PER) of data transmissions without changing the DSRC standard. We also show a hardware implementation of this scheme based on a field-programmable gate array (FPGA) to demonstrate its implementation feasibility. Furthermore, we extend our improved equalization scheme to various data rate options available in the DSRC standard, showing that the proposed scheme is sufficiently generic to support different types of V2V communication. Finally, we report the results of investigating the dependence of wireless communication performance (in terms of PER and throughput) on various design parameters such as packet length, payload size, and data rate.</div>
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