What information is carried on the PDCCH?
The control information carried on the PDCCH is called DCI. The size of the DCI payload may vary with scenarios, and different DCI formats…
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PDCCH and DMRS Time-Frequency Structures for PDCCH.
An NR PDCCH is more similar to an LTE ePDCCH than to an LTE PDCCH, with each NR PDCCH being independently processed. Each NR…
Read articleWhat are the control channel differences between NR and LTE?
No matter in LTE or NR, the physical downlink control channel (PDCCH) is essential for uplink and downlink service scheduling. In addition to PDCCH-related…
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5G NR RAN Optimization (Radio Frequency)
5G NR (New Radio) RAN 5G Use Cases 5G NR Spectrum Architecture and Planning mMWave (Deployment & Challanges) Supplementery link & Dynamic Spectrum Sharing…
Read article5G Slot Configuration.
In 5G NR, slot configuration is more dynamic and flexible compared to LTE. Unlike LTE, where the number of slots in a frame is…
Read article5G NR Symbol Type and Slot Format.
In 5G New Radio (NR), OFDM symbols are classified into three types: downlink (DL), uplink (UL), and flexible (F). This classification allows for a…
Read articleTime Units at the Physical Layer in 5G NR (Tc and Ts)
In the world of 5G New Radio (NR), time units play a pivotal role in the structuring and functioning of the physical layer. Two…
Read articleWhat is 5G Numerology?
As the telecommunications industry transitions from LTE (4G) to 5G NR (New Radio), several new concepts and enhancements are introduced to accommodate the increasing…
Read articleWhat are 5G Spectrums and Frequency Bands?
In wireless communications, spectrums are always scarce resources. Generally, low-frequency spectrums are preferred resources and feature small bandwidths. However, most of them have been…
Read article5G NR Frequency Domain Resources | Resource Element/Resource Block/Resource Grid.
Some concepts of frequency domain resources in 5G NR are similar to those in LTE, but some are newly introduced. We will introduce each…
Read article5G NR Bandwidth Concepts (Channel Bandwidth, Transmission Bandwidth, and Guard bandwidth).
As mentioned in 5G frequency band division, the entire spectrum resource is divided into several frequency bands. Division of these frequency bands is based…
Read articleWhat is Channel Raster and Synchronization Raster in 5G NR?
A UE receives primary synchronization signal (PSS) and secondary synchronization signal (SSS) from a cell immediately after being powered on in order to achieve…
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