Howtosignalprocessing
What is quasi co located?
One mode of operation is beam management with indica- tion, where a concept known as Quasi-co-location (QCL) is used to provide an instruction to the UE which it can use to adjust receiver settings. Different QCL types and relations were defined by 3GPP.
What is TCI in 5G?
What is TCI (Transmission Configuration Indicator) State: A Transmission Configuration Indicator (TCI) states are dynamically sent over in a DCI message which includes configurations such as QCL-relationships between the DL RSs in one CSI-RS set and the PDSCH DMRS ports.
What is csi-rs in 5G?
What is CSI-RS? Channel State Information Reference Signal (CSI-RS) is a reference signal (RS) that is used in the Downlink (DL) direction in 5G NR, for the purpose of Channel Sounding and used to measure the characteristics of a radio channel so that it can use correct modulation, code rate, beam forming etc.
