5G Voice over New Radio (VoNR)
March 3, 2021

VoNR is IMS based voice services that use 5G as the access network (as opposed to LTE and VoLTE) Introduction Voice over New Radio (VoNR) is the IP Multimedia System (IMS) based voice calling services that use the 5G network for its source of Internet Protocol (IP) voice processing. The New Radio network communication is […]

INTER-gNB Xn handover procedure in 5G NR
January 26, 2021

The core of mobility management in 5G NR is very similar to the one in 4G LTE. As specified by 3GPP Rel. 15, mobility in mobile networks is divided into RRC_IDLE mobility, RRC_INACTIVE mobility, and RRC_CONNECTED mobility. RRC_IDLE and RRC_INACTIVE state in which UE does not have any established RRC connection. RRC_CONNECTED means that UE […]