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Cyclic Prefix (CP) in LTE & 5G
Introduction Cyclic Prefix (CP) is a crucial component in Orthogonal Frequency Division Multiplexing (OFDM) systems, which are the...

Venkateshu
Jun 266 min read


Contention Resolution in Msg4 during RACH procedure
In LTE and 5G NR Random Access Channel (RACH) procedure, the gNB extracts specific UE identities from Msg3 to construct Msg4 (Contention...

Venkateshu
Jun 34 min read


O-RAN WG4 Open Fronthaul Specifications (CUS and M-Plane) v2.0 to v17.01
Introduction The O-RAN Alliance Workgroup 4 (WG4) focuses on defining open fronthaul interfaces between the O-DU (Distributed Unit) and...

Venkateshu
Apr 297 min read


5G PDCCH: Structure, DCI Formats, Resource Scheduling, and Comparison with 4G LTE
The Physical Downlink Control Channel (PDCCH) is a cornerstone of 5G New Radio (NR) and 4G Long-Term Evolution (LTE) systems, serving as...

Venkateshu
Apr 226 min read
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