Question: In a virtualized 5G environment, what is a primary reason for Handover (HO) request rejections by a target gNodeB (gNB), which can lead to increased latency, Radio Link Failures (RLFs), and inefficiency in network procedures?
Option 1: Insufficient radio coverage area of the target gNB.
Option 2: Inadequate available resources within the target gNB, including both virtual (e.g., compute, memory) and radio resources (e.g., PRB, RRC connected users).
Option 3: Overlapping coverages of inter-frequency and inter-RAT deployments causing signal interference.
Option 4: UE's inability to support the target gNB's frequency band.
Explanation: In a virtualized environment, handover requests can be rejected due to insufficient resources in the target gNB. These resources encompass not only traditional radio resources (like PRB and RRC connected users) but also virtual resources (such as compute and memory), highlighting the complexity of managing resources in virtualized networks. This understanding is crucial for optimizing handovers and ensuring efficient network operation.