Survey of angle-based forwarding methods in VANET communications

The location information for a forwarding scheme for Vehicular Ad-hoc Network (VANET) communications serves several purposes based on specific network characteristics. The concept of the angle-based forwarding scheme takes into account the relative-angle calculation to support an optimal forwarding decision. This survey summarizes angle-based forwarding schemes in VANET by reviewing their characteristics, purposes, advantages, and drawbacks. Additionally, this work determines which angle-based forwarding scheme fits best VANET communications of an intermittent connectivity, environment, and frequent topology changes.