Transmission Power-Control Certificate Omission in Vehicular Ad Hoc Networks

Emmanuel Charleson Dapaah, Parisa Memarmoshrefi, Dieter Hogrefe

Abstract: The frequent dissemination of safety-related beacons among neighboring vehicles in VANET is fundamental for cooperative awareness. Nevertheless, this has over the years raised a major security concern hence the current state-of-the-art requires all safety-related beacons to carry a certificate and a digital signature as a security mechanism to ensure authenticity and integrity. Unfortunately, this security mechanism is characterized by an increase in the size of a beacons payload which as a result, induces an overhead in communication under dense traffic conditions.