Browse Publications Technical Papers 2012-01-0491
2012-04-16

DSRC Performance Comparison With and Without Antenna Diversity Using Different Transmission Power 2012-01-0491

Vehicle-to-Vehicle (V2V) safety application research based on short range real-time communication has been researched for over a decade. Examples of V2V applications include Electronic Emergency Brake Light, Do Not Pass Warning, Lane Departure Warning, and Intersection Movement Assist. It is hoped that these applications, whether present as warning or intervention, will help reduce the incidence of traffic collisions, fatalities, injuries, and property damage. The safety benefits of these applications will likely depend on many factors, such as usability, market penetration, driver acceptance, and reliability. Some applications, such as DNPW and IMA, require a longer communication range to be effective. In addition, Dedicated Short Range Communications (DSRC) may be required to communicate without direct line of sight. The signal needs to overcome shadowing effects of other vehicles and buildings that are in the way. Some remedies may include increasing transmission power, using higher gain antennas, and using multiple antennas with diversity reception. This paper presents experimental results of several field trials using different configurations in transmission power, antenna diversity, and antenna gain of a DSRC receiving system.

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