Table 1 Challenges and requirements for CR-VANETs
From: Cognitive radio for vehicular ad hoc networks (CR-VANETs): approaches and challenges
Challenges | Required mechanisms |
|---|---|
Reliable delivery of safety messages | QoS support |
Highly dynamic topologies | Algorithms with fast |
| Â | convergence time |
Scarce spectrum | Efficient use of spectrum |
Newer and several technologies | Reprogrammability |
Varied environment and | Machine learning algorithms |
spectrum availability | Â |