Simulation-based performance analysis and improvement of orthogonal frequency division multiplexing - 802.11p system for vehicular communications

Kiokes, G; Amditis, A; Uzunoglu, NK

dc.contributor.author	Kiokes, G	en
dc.contributor.author	Amditis, A	en
dc.contributor.author	Uzunoglu, NK	en
dc.date.accessioned	2014-03-01T01:31:55Z
dc.date.available	2014-03-01T01:31:55Z
dc.date.issued	2009	en
dc.identifier.issn	1751-956X	en
dc.identifier.uri	https://dspace.lib.ntua.gr/xmlui/handle/123456789/19976
dc.subject	Orthogonal Frequency Division Multiplex	en
dc.subject	Performance Analysis	en
dc.subject	Vehicular Communication	en
dc.subject.classification	Transportation Science & Technology	en
dc.subject.other	Cyclic Prefix	en
dc.subject.other	Data exchange	en
dc.subject.other	Data rates	en
dc.subject.other	Doppler spread	en
dc.subject.other	Emergency breaking	en
dc.subject.other	Frequency-selective fading	en
dc.subject.other	Guard intervals	en
dc.subject.other	High mobility	en
dc.subject.other	High speed vehicles	en
dc.subject.other	IEEE 802.11s	en
dc.subject.other	In-vehicle	en
dc.subject.other	Initial values	en
dc.subject.other	Intelligent transportation systems	en
dc.subject.other	Intercarrier interference	en
dc.subject.other	Mobile channels	en
dc.subject.other	Multi-path delays	en
dc.subject.other	P systems	en
dc.subject.other	Performance analysis	en
dc.subject.other	Physical layers	en
dc.subject.other	Simulation result	en
dc.subject.other	Simulation-based	en
dc.subject.other	Transmission distances	en
dc.subject.other	Transportation safety	en
dc.subject.other	Vehicular communications	en
dc.subject.other	Vehicular environments	en
dc.subject.other	Wireless access	en
dc.subject.other	Wireless technologies	en
dc.subject.other	Bit error rate	en
dc.subject.other	Carrier mobility	en
dc.subject.other	Channel estimation	en
dc.subject.other	Frequency allocation	en
dc.subject.other	Intelligent vehicle highway systems	en
dc.subject.other	Local area networks	en
dc.subject.other	Mobile telecommunication systems	en
dc.subject.other	Orthogonal frequency division multiplexing	en
dc.subject.other	Rayleigh fading	en
dc.subject.other	Signal to noise ratio	en
dc.subject.other	Simulators	en
dc.subject.other	Standards	en
dc.subject.other	Vehicle locating systems	en
dc.subject.other	Vehicles	en
dc.subject.other	Wireless telecommunication systems	en
dc.title	Simulation-based performance analysis and improvement of orthogonal frequency division multiplexing - 802.11p system for vehicular communications	en
heal.type	journalArticle	en
heal.identifier.primary	10.1049/iet-its.2008.0070	en
heal.identifier.secondary	http://dx.doi.org/10.1049/iet-its.2008.0070	en
heal.language	English	en
heal.publicationDate	2009	en
heal.abstract	In this study, the physical layer (PHY) of the upcoming vehicular communication standard IEEE 802.11p has been simulated in vehicle-to-vehicle situation through two different scenarios. IEEE 802.11p wireless access in vehicular environment defines modifications to IEEE 802.11 to support intelligent transportation systems applications. The standard is being considered as a promising wireless technology for enhancing transportation safety and provides safety-related services like collision avoidance and emergency breaking. At first, this includes data exchange between high-speed vehicles and between the vehicles and the roadside infrastructure in the licensed ITS band of 5.9GHz. Performance analysis of PHY model has been evaluated into different propagation conditions (AWGN, Ricean and Rayleigh fading). In particular, bit error rate (BER) and signal to noise ratio for all the data rates have been estimated. Simulation results reveal that our system can efficiently mitigate inter-symbol interference and inter-carrier interference introduced by multi-path delay spread in our high mobility environment but against frequency-selective fading BER values are on to increase. To overcome this problem, the authors propose to use a different value of guard interval (3.2s). Our initial results indicate that the performance with the larger cyclic prefix outperforms the performance of the initial value in our mobile channel profiles. Moreover, the authors investigated in which way the Doppler spread affects the performance with regard to the transmission distance. © 2009 The Institution of Engineering and Technology.	en
heal.publisher	INST ENGINEERING TECHNOLOGY-IET	en
heal.journalName	IET Intelligent Transport Systems	en
dc.identifier.doi	10.1049/iet-its.2008.0070	en
dc.identifier.isi	ISI:000273044900007	en
dc.identifier.volume	3	en
dc.identifier.issue	4	en
dc.identifier.spage	429	en
dc.identifier.epage	436	en