name: CGI
full_form: Code Group Indicator
context: The radio link can be in one of the following three modes: - Normal mode : No timing control, UE discrimination by Scr code - USTS mode : Timing control, UE discrimination by both Scr and Ch codes - Non-USTS mode : No timing control, UE discrimination by both Scr and Ch codes The difference between Normal mode and Non-USTS mode is as follows. If one of the radio links to the cell sites in Active set is in USTS mode, it is discriminated by both scrambling code and channelisation codes assigned for USTS mode in all cells in Active set. Therefore, the other links should be in non-USTS mode. This is because the UE has only a single transmitter and there can be more than one UEs who enter the SHO region from the same original cell and accordingly, they use the common scrambling code and the discrimination can be done only by channelisation codes. The UE in USTS mode has an USTS-mode RL and non-USTS mode RL(s). In normal mode, the UEs in SHO region use their own unique scrambling codes. The
description: The Code Group Indicator (CGI) is a parameter used in CGI reporting for intra-RAT and inter-RAT cells. It enables the network to configure and coordinate measurements related to cell identification and location. The Serving Network (SN) and Master Node (MN) utilize CGI to manage and optimize network performance.
explanation: CGI is classified as a Parameter because it is a specific setting or value used by the network to configure and control measurements related to cell identification and location. The text emphasizes its role in managing and optimizing network performance, further supporting its classification as a parameter.
section_title: 7.2	Measurements
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