PDSCH configuration parameters for 5G waveform generation
The nrWavegenPDSCHConfig
object sets physical downlink shared channel
(PDSCH) configuration parameters, as defined in TS 38.211 Sections 7.3.1, 7.4.1.1, and 7.4.1.2
[1]. Use this object to set the
PDSCH
property of the nrDLCarrierConfig
object when
configuring 5G downlink waveform generation.
This object defines several properties of the PDSCH, including the modulation scheme, layer mapping, target code rate, time-domain and frequency-domain allocation, and virtual resource blocks (VRB) to physical resource blocks (PRBs) interleaving. The object also contains properties of the associated physical reference signals, such as the demodulation reference signal (DM-RS) and the phase tracking reference signal (PT-RS).
The default nrWavegenPDSCHConfig
object configures a single-layer PDSCH with
mapping type A, QPSK modulation, a resource allocation of 52 resource blocks and 14 OFDM
symbols in a slot, transmission in all slots, and single-symbol DM-RS type 1. This
configuration corresponds to a full resource allocation with respect to the default nrWavegenBWPConfig
object.
creates a
default PDSCH configuration object for 5G waveform generation.pdsch
= nrWavegenPDSCHConfig
specifies properties using one
or more name-value arguments. Enclose each property name in quotes. For example,
pdsch
= nrWavegenPDSCHConfig(Name,Value
)'NumLayers',7
specifies seven transmission layers.
[1] 3GPP TS 38.211. “NR; Physical channels and modulation.” 3rd Generation Partnership Project; Technical Specification Group Radio Access Network.
[2] 3GPP TS 38.214. “NR; Physical layer procedures for data.” 3rd Generation Partnership Project; Technical Specification Group Radio Access Network.