Title
Development of a CDMA intervehicle communications system for driving safety support
Abstract
Driving safety support is one of the most attractive applications of an intervehicle communications system. Real-time and reliable packet exchange among vehicles is key to offering timely warnings to drivers in order to avoid fatal accidents. In this article we introduce multicarrier multicode spread Aloha (MM-SA) system, an intervehicle communications system developed to satisfy challenging requirements for supporting driving safety. MM-SA is based on code-division multiple access technology, and has inherent robustness to the increase of node density as well as the hidden terminal problem. We present an overview of MM-SA system including protocol design and prototyping as well as the GUI tool, which are all developed for avoiding intersection collisions. We also present performance comparison between the MM-SA system and a CSMA-based system under a realistic accident scenario. Our evaluation results show that the MM-SA system has superior performance to the CSMA-based system, and achieves the communication performance required for driving safety support.
Year
DOI
Venue
2009
10.1109/MWC.2009.5361175
Wireless Communications, IEEE
Keywords
Field
DocType
automated highways,carrier sense multiple access,code division multiple access,graphical user interfaces,protocols,road accidents,road safety,road traffic,CDMA intervehicle communications system,CSMA-based system,GUI tool,MM-SA system,code-division multiple access,driving safety support,fatal accident,intersection collision,multicarrier multicode spread Aloha system,protocol design,reliable packet exchange
Aloha,Computer science,Network packet,Communications system,Computer network,Robustness (computer science),Vehicle dynamics,Code division multiple access,Hidden node problem,Telematics,Distributed computing
Journal
Volume
Issue
ISSN
16
6
1536-1284
Citations 
PageRank 
References 
8
0.49
1
Authors
4
Name
Order
Citations
PageRank
Yomo, H.180.49
Shagdar, O.2543.37
Ohyama, T.380.49
Miyamoto, M.4133.61