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Publications:Scalability issues of the MAC methods STDMA and CSMA of IEEE 802.11p when used in VANETs
Abstract <p> </p><p>Position mess<p> </p><p>Position messages will be the foundation for many emerging traffic safety applications based on wireless communications. These messages contain information about the vehicle’s position, speed, direction, etc. and are broadcasted periodically by each vehicle. The upcoming IEEE 802.11p standard, intended for vehicle unpredictable behavior of its medium access control (MAC) scheme, which imply that traffic safety applications cannot be supported satisfactorily when the network load increases. We study the MAC mechanism within IEEE 802.11p being a carrier sense multiple access (CSMA) algorithm and compare it with a self-organizing time division multiple access (STDMA) scheme when used for broadcasting periodic position messages in a realistic highway scenario. We investigate their scalability in terms of the number of vehicles that the VANET can support using metrics such as channel access delay, probability of concurrent transmissions and interference distance. The results show that STDMA outperforms CSMA of 802.11p even when the network is not saturated.</p><p> </p>t saturated.</p><p> </p>
Author Katrin Sjöberg-Bilstrup + , Elisabeth Uhlemann + , Erik G. Ström +
Conference IEEE International Conference on Communications Workshops, Cape Town, South Africa, May 2010
DOI http://dx.doi.org/10.1109/ICCW.2010.5503941  +
Diva http://hh.diva-portal.org/smash/record.jsf?searchId=1&pid=diva2:332050
EndPage 5  +
HostPublication 2010 IEEE International Conference on Communications Workshops (ICC)  +
PublicationType Conference Paper  +
Publisher IEEE Computer Society  +
StartPage 1  +
Title Scalability issues of the MAC methods STDMA and CSMA of IEEE 802.11p when used in VANETs  +
Year 2010  +
Has queryThis property is a special property in this wiki. Publications:Scalability issues of the MAC methods STDMA and CSMA of IEEE 802.11p when used in VANETs + , Publications:Scalability issues of the MAC methods STDMA and CSMA of IEEE 802.11p when used in VANETs + , Publications:Scalability issues of the MAC methods STDMA and CSMA of IEEE 802.11p when used in VANETs + , Publications:Scalability issues of the MAC methods STDMA and CSMA of IEEE 802.11p when used in VANETs + , Publications:Scalability issues of the MAC methods STDMA and CSMA of IEEE 802.11p when used in VANETs + , Publications:Scalability issues of the MAC methods STDMA and CSMA of IEEE 802.11p when used in VANETs + , Publications:Scalability issues of the MAC methods STDMA and CSMA of IEEE 802.11p when used in VANETs + , Publications:Scalability issues of the MAC methods STDMA and CSMA of IEEE 802.11p when used in VANETs + , Publications:Scalability issues of the MAC methods STDMA and CSMA of IEEE 802.11p when used in VANETs + , Publications:Scalability issues of the MAC methods STDMA and CSMA of IEEE 802.11p when used in VANETs +
Categories Publication  +
Modification dateThis property is a special property in this wiki. 26 June 2014 03:41:57  +
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