An Efficient Hand-off Mechanism for Vehicular Networks

摘要

Problem statement: In recent times, wireless networks have become ubiquitous and the hotspot research arena. When a mobile node switches from one access network to another network, the node was said to perform a handoff. This transition was a complex and time-consuming task since after transit the mobile node had to obtain a new Care of Address (CoA) from the transited AR and bind this CoA with its home agent, apart from this there occurs a problem of packet loss. There exist some solutions for this handoff problem, these mechanisms do not offer efficient solution for the problem. Approach: A mechanism to reduce the hand off delay in vehicular networks was proposed in this article. This approach pre allocates the new address for the mobile node before hand off based on its mobility. Results: The proposed system was implemented in ns2 simulation environment and compared with some existing hand of mechanisms and its evident that the proposed mechanism reduces the hand off delay and packet loss ratio. Conclusion: This article is concerned with defining a better solution for the handoff problem such that the proposed mechanism offers efficient results compared to the existing system.