Showing content from https://accelercomm.com/sites/accelercomm.com/files/5G-Channel-Coding_0.pdf below:
Physical Channels for 5G NR
Introduction
In the context of 5G (fifth generation) cellular networks, physical channels are communication channels that operate at the physical layer of the network architecture. These channels are responsible for carrying the actual user data and control information between the user equipment (UE) and the base station (NodeB or gNB in 5G).
Here are the main types of 5G physical channels on the base station:
- Physical Downlink Shared Channel (PDSCH)
Provides a shared data channel for transmitting user data, such as video, audio, or other application data from base station to user equipment.
- Physical Uplink Shared Channel (PUSCH)
Carries user data from the UE to the base station, enabling UEs to transmit their data to the network.
- Physical Downlink Control Channel (PDCCH)
Carries control information that is used to manage the transmission on the physical channels, such as resource allocation, power control commands, and scheduling information.
- Physical Uplink Control Channel (PUCCH)
Used for transmitting uplink control information from the user equipment (UE) to the base station The PUCCH carries information such as acknowledgments (ACK/NACK) for received data, scheduling requests, and other control signals.
- Physical Random Access Channel (PRACH)
The PRACH serves as the physical channel through which UEs can initiate communication with the network when they do not have a dedicated radio resource, and is essential for initiating communication between a user equipment (UE) and a base station.
- Physical Broadcast Channel (PBCH)
The primary function of the PBCH is to broadcast the parameters from the base station to UEs to synchronize with the cell and establish initial communication with the network.
These physical channels are essential components of the 5G air interface, facilitating the exchange of information between the network infrastructure and the user devices for efficient and reliable communication.
AccelerComm licences the components of the 5G Physical Layer channels as 3GPP-compliant IP modules which accelerate processing for optimal power and performance. The modules are designed for ASIC and FPGA implementation, and can be configured and controlled by the physical layer software. This enables customers to integrate optimised channel accelerators into their own physical layer implementations.
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