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Introduction In a wireless communication system, transmitted signals experience distortion and attenuation as they propagate through the environment. This effect is usually modelled as a linear time-invariant system...
In 5G, during initial network access, a UE does a completes a band scan for SSB decodes the PBCH. The...
The RSRQ (Referece Signal RecivedQuality) is a measurement performed by the UE to know the Quality of recieved Reference Signals....
5G PDCCH Channel Overview The physical downlink control channel (PDCCH) in NR carries Downlink Control Information (DCI). In this post...
UE does measurement of SS-RSRP and use it for cell selection, cell reselection, power control, mobility procedures and beam management...
3GPP Specification / 5G / 5G Network Planning / 5G NR / 5G Physical Layer / NR / RF Optimisation
by Author · Published September 20, 2020 · Last modified November 5, 2020
Released 3GPP standards on MIMO are shown in below image. As you know, Coordinated Multipoint (CoMP) is a type of Cooperative...
5G / 5G MAC Layer / 5G Physical Layer / Call Flow / NR / Signaling
by Author · Published June 25, 2020 · Last modified July 21, 2020
A 5G UE picks a random preamble for RACH procedure to get the uplink synchronisation. The preamble is referenced with...
In 5G NR, RSRP measurement is performed and reported at Layer 1 (Physical Layer) and Layer 3 (RRC Layer). For...
5G / 5G Physical Layer / Tech Fundas
by Author · Published March 12, 2020 · Last modified July 10, 2020
Multi-path propagation in a radio signal transmission causes time delays, signal distortions, and so on. Let us discuss basic theories...
5G CORESET In 5G NR, CORESET is known as Control Resource Set. It is a set of physical resources within...