OFDM DemodSCS

OFDM demodulation of the signal with the total distance between subcarriers.

blockType: OFDMDemodSCS

Path in the library:

/5G/OFDM DemodSCS

Description

After receiving the MIB, the block uses the total subcarrier distance and bandwidth to demodulate the OFDM frame. Adjusts the frequency of the phase compensation of the symbol using the introduced frequency shift. Adjusts the timing offset relative to the beginning of the first frame, if the frame offset is negative, the first frame is incomplete and adds leading zeros to the signal to align it to this frame. Determines the number of resource blocks and the distance between subcarriers for OFDM signal demodulation. Demodulates the received signal with the total distance between subcarriers.

Ports

Entrance

MIB — input information signal
vector

The input information signal received at the block output BCH Decode.

Data type: Float64

CorWfm is a frequency—shifted signal in the form of a complex matrix
matrix

A frequency-shifted signal returned as a complex matrix.

Data type: ComplexF64

Output

ResGrid is a demodulated output signal in the form of a complex matrix
matrix

The demodulated output signal returned as a complex matrix.

Data type: ComplexF64

Parameters

Main

Block Pattern — ID of the pass frequency range:q[<br>] Case A | Case B (default) | Case C | Case D | Case E

For the 5G standard, the frequency range used is specified in the documentation.

Frequency range designation Frequency range

Frequency range designation	Frequency range
FR1: `Case A`,`Case B`,`Case C`	410 MHz – 7125 MHz
FR2: `Case D`,`Case E`	24250 MHz – 52600 MHz

FR1: Case A,Case B,Case C

410 MHz – 7125 MHz

FR2: Case D,Case E

24250 MHz – 52600 MHz

Programmatic use
Block parameter	`BlockPattern`
Values	`Case A` \| `Case B` \| `Case C` \| `Case D` \| `Case E`
By default	`Case B`

Bitmap of SS blocks transmitted — number of transmitted blocks of pass information:q[<br>] 4 | 8 (default) | 64

The number of transmitted information blocks.

Programmatic use
Block parameter	`TransmittedBlocks`
Values	`4` \| `8` \| `64`
By default	`8`

Subcarrier spacing (kHz) — distance between subcarriers in kHz
15(default) | 30 | 60 | 120

The distance between subcarriers in kHz for all channels and carrier reference signals.

The values to select are 15 or 30 for FR1, 60 or 120 for FR2.

Programmatic use
Block parameter	`SubcarrierSpacingCommon`
Values	`15` \| `30` \| `60` \| `120`
By default	`15`

Minimum channel bandwidth for the NRb (MHz) — setting the minimum channel bandwidth for the NR band in MHz
5 (default) | 10 | 40

Setting the minimum channel bandwidth for the NR band in MHz.

Programmatic use
Block parameter	`MainChannelBW`
Values	`5` \| `10` \| `40`
By default	`5`

Carrier center frequency (Hz) — the central frequency of the carrier in Hz
0 (default)

The central frequency of the carrier in the form of a positive real scalar.

The units of measurement are hertz.