https://www.rantcell.com/RF-drive-test-analysis-significance.html Long-Term Evolution (LTE) is a widely adopted technology for high-speed wireless communication, providing significant improvements in speed, bandwidth, and delay. A key aspect of LTE networks is the handover process, which maintains uninterrupted connectivity as subscribers move between cells. Handover analysis in LTE plays a pivotal role in maintaining quality of service and improving user experience. This article explores the ideas, types, issues, and tools used for LTE handover analysis. #### Understanding LTE Handover The LTE handover process involves shifting a subscriber’s connection from one cell to another without interrupting active communication. Unlike previous technologies, LTE uses a hard handover mechanism, meaning the connection to the current cell is disconnected prior to establishing a connection with the destination cell. While this method simplifies network architecture, it requires meticulous handling to prevent disruptions. #### Categories of LTE Handover LTE handovers can be generally classified into three categories: 1. **Intra-eNodeB Handover**: This happens when the source and destination cells are served by the same eNodeB (evolved Node B). Since the handover takes place within the same eNodeB, signaling overhead is reduced, leading to faster and better transitions. 2. **Inter-eNodeB Handover**: This involves handover between cells served by different eNodeBs. Inter-eNodeB handovers require collaboration between the source and target eNodeBs through the X2 interface or via the Mobility Management Entity when X2 links is unavailable. 3. **Inter-RAT (Radio Access Technology) Handover**: This kind of handover occurs between LTE and other radio access technologies like GSM, UMTS, or 5G. Inter-RAT handovers ensure consistency of service in regions with diverse network coverage. #### Key Metrics in LTE Handover Analysis Examining LTE handover performance requires tracking various k