This content is not included in your SAE MOBILUS subscription, or you are not logged in.
Coexistence of Wi-Fi and WAVE in the DSRC Spectrum: Impact on WAVE Latency and Throughput
ISSN: 0148-7191, e-ISSN: 2688-3627
Published April 03, 2018 by SAE International in United States
Annotation ability available
In this paper, we study the impact on Wireless Access in a Vehicular Environment (WAVE) using IEEE 802.11p when Wi-Fi, using IEEE 802.11a/n/ac, is deployed in the same spectrum. Recently, there have been proposals to share the Dedicated Short Range Communication (DSRC) spectrum between 5.85 - 5.925GHz, the U-NII-4 band, between the two systems. Though both systems are similar in the PHY and MAC, since neither was designed at the outset to coexist with the other, the mutual interference between the two can cause performance degradations, in both throughput and latency. We develop a comprehensive system level coexistence simulation model in ns-3 that allows us to test interference in realistic environments with dense Wi-Fi and WAVE deployments, which are difficult to perform experimentally at scale. Our extensive simulation results show that while adjusting energy detection (ED) thresholds and inter-frame spacing (AIFSN) can improve the throughput performance of 802.11p, the latency performance remains compromised. Furthermore, we show that the performance of 802.11p deteriorates when Wi-Fi employs rate adaptation instead of using a constant rate. These results indicate that delay-sensitive critical safety messages should not be transmitted by WAVE in spectrum that is shared with Wi-Fi even if the latter modifies its ED threshold and AIFSN.
|Progress In Technology||Autonomous Vehicles for Safer Driving|
|Ground Vehicle Standard||Hardware Protected Security for Ground Vehicles|
|Ground Vehicle Standard||Human Factors Definitions for Automated Driving and Related Research Topics|
CitationGhosh, M., Sapoval, N., and Mahmud, S., "Coexistence of Wi-Fi and WAVE in the DSRC Spectrum: Impact on WAVE Latency and Throughput," SAE Technical Paper 2018-01-1097, 2018, https://doi.org/10.4271/2018-01-1097.
- Park , Y. and Kim , H. On the coexistence of IEEE 802.11ac and WAVE in the 5.9 GHz band IEEE Communications Magazine 52 6 162 168 2014
- Li , Y. An overview of the DSRC/WAVE technology International Conference on Heterogeneous Networking for Quality, Reliability, Security and Robustness Springer Berlin Heidelberg 2010 https:// www.semanticscholar.org/paper/An-Overview-of-the-DSRC-WAVE-Technology-Li/3298e8b59ac8aa256cf62091d2bb45aabdd99a97/pdf
- Jiang , D. and Delgrossi , L. IEEE 802.11p: Towards an International Standard for Wireless Access in Vehicular Environments Vehicular Technology Conference, 2008. VTC Spring 2008. IEEE ftp:// 220.127.116.11/yhl/mobile12/802.11p-intro.pdf
- Karagiannis , G. , Altintas , O. , Ekici , E. , Heijenk , G. et al. Vehicular Networking: A Survey and Tutorial on Requirements, Architectures, Challenges, Standards and Solutions IEEE Communications Surveys & Tutorials 13 4 584 616 2011 http://eprints.eemcs.utwente.nl/20107/01/survey_vehicular_COMST-00019-2010.pdf
- Ghandoura , A.J. , Di Felice , M. , Artail , H. , and Bononi , L. Dissemination of safety messages in IEEE 802.11 p/WAVE vehicular network: Analytical study and protocol enhancements Pervasive and Mobile Computing 11 3 18 2014 http://alighandour.org/wp-content/uploads/downloads/2013/03/PMC-D-12-00155R1-2.pdf
- Rostami , A. , Cheng , B. , Bansal , G. , Sjoberg , K. et al. Stability Challenges and Enhancements for Vehicular Channel Congestion Control Approaches IEEE Transactions on Intelligent Transportation Systems 19 1 14 2016
- Han , C. , Dianati , M. , Tafazolli , R. , Kernchen , R. , and Shen , X. Analytical study of the IEEE 802.11 p MAC sublayer in vehicular networks IEEE Transactions on Intelligent Transportation Systems 13 2 873 886 2012 http://epubs.surrey.ac.uk/712458/1/Analytical%20Study%20of%20the%20IEEE%20802.11p%20MAC%20Sub-layer%20in%20Vehicular%20Networks.pdf
- Bai , F. and Krishnan , H. Reliability analysis of DSRC wireless communication for vehicle safety applications 2006 IEEE Intelligent Transportation Systems Conference 2006
- Lansford , J. , Kenney , J. B. , P. Ecclesine Coexistence of Unlicensed Devices with DSRC Systems in the 5.9 GHz ITS Band 2013 IEEE Vehicular Networking Conference