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1 2023

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Quick Handover in 5G for High Speed Railways and Highways Using Forward Handover and PN Sequence Detection

Kawser Mohammad T., Abir-Hassan Kazi Md., Haque Md. Atiqul, Ahmed Sakif, Akram Mohammad Rubbyat

International Journal of Electronics and Telecommunications

2023

Vol. 69, No. 1

147--153

The cellular users, on high speed railways and highways, travel at a very high speed and follow a nearly straight path, in general. Thus, they typically undergo a maximum frequency of handovers in the cellular environment. This requires a very fast triggering of the handover. In the existing method of handover in 5G cellular communication, for high speed users, neither the decision-making of handover nor the triggering of handover is sufficiently fast. This can lead to poor signal quality and packet losses and in the worst case, radio link failure (RLF) during a handover. This paper proposes a forward handover based method, combined with PN sequence detections, to facilitate a quicker handover for high speed users on railways and highways. The proposed method adds some complexity but can offer a significant improvement in the overall handover delay. A simplistic simulation is used to demonstrate the improvement of the proposed method.