5G Handover types and events


Can anyone explain 5G handover types and Handover event

Handover related parameters


In any telecom technology ( 2G, 3G, 4G or 5G ), mobility (handover) decision whether mobile device will be handover or not is taken by by base station based on measurement reports from the mobile device. There are multiple measurement items ( RSRP, RSRQ, SINR ) and multiple ways ( periodic , event triggered ) to measure the signal quality of the serving cell and neighbor cells.

In Ideal case, a base station shall allow UE to report serving cell and neighbor cell signal quality and trigger the handover with single measurement, but in practice it can create overload conditions due to unnecessary ping pong handovers. As solution to avoid such situation, 3GPP specifications have proposed a set of predefined set of measurement report mechanism to be performed by UE. These predefined measurement report type is called “ Event “. The type of “event” a UE have to report is specified by RRC signaling message sent by the base station.

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