Документация

waveconfig = [];
waveconfig.NCellID = 0;            % Cell identity
waveconfig.ChannelBandwidth = 40;  % Channel bandwidth (MHz)
waveconfig.FrequencyRange = 'FR1'; % 'FR1' or 'FR2'
waveconfig.NumSubframes = 10;      % Number of 1ms subframes in generated waveform (1,2,4,8 slots per 1ms subframe, depending on SCS)
waveconfig.DisplayGrids = 1;       % Display the resource grids after signal generation

% Define a set of SCS specific carriers, using the maximum sizes for a
% 40 MHz NR channel. See TS 38.101-1 for more information on defined
% bandwidths and guardband requirements
carriers(1).SubcarrierSpacing = 15;
carriers(1).NRB = 216;
carriers(1).RBStart = 0;

carriers(2).SubcarrierSpacing = 30;
carriers(2).NRB = 106;
carriers(2).RBStart = 1;

% SS burst configuration
ssburst = [];
ssburst.Enable = 1;                     % Enable SS Burst
ssburst.BlockPattern = 'Case B';        % Case B (30kHz) subcarrier spacing
ssburst.SSBTransmitted = [1 1 1 1];     % Bitmap indicating blocks transmitted in a 5ms half-frame burst
ssburst.SSBPeriodicity = 20;            % SS burst set periodicity in ms (5, 10, 20, 40, 80, 160)
ssburst.FrequencySSB = 0*5000;          % Frequency offset of SS burst (Hz), relative to waveform center (multiples of 5kHz)
ssburst.Power = 0;                      % Power scaling in dB

% Bandwidth parts configurations
bwp = [];

bwp(1).SubcarrierSpacing = 15;          % BWP Subcarrier Spacing
bwp(1).CyclicPrefix = 'Normal';         % BWP Cyclic prefix for 15 kHz
bwp(1).NRB = 25;                        % Size of BWP
bwp(1).RBOffset = 12;                   % Position of BWP in SCS carrier

bwp(2).SubcarrierSpacing = 30;          % BWP Subcarrier Spacing
bwp(2).CyclicPrefix = 'Normal';         % BWP Cyclic prefix for 30 kHz
bwp(2).NRB = 50;                        % Size of BWP
bwp(2).RBOffset = 50;                   % Position of BWP in SCS carrier

% CORESET/search space configurations
coreset = [];
coreset(1).AllocatedSymbols = [0,7];    % First symbol of each CORESET monitoring opportunity in a slot
coreset(1).AllocatedSlots = [0,1];      % Allocated slots within a period
coreset(1).AllocatedPeriod = 5;         % Allocated slot period (empty implies no repetition)
coreset(1).Duration = 3;                % CORESET symbol duration (1,2,3)
coreset(1).AllocatedPRB = 6*[0,1,3];    % PRB indices, relative to BWP, which select the blocks of 6 RB (RRC - frequencyDomainResources)

pdcch = [];
pdcch(1).Enable = 1;                    % Enable PDCCH sequence
pdcch(1).BWP = 1;                       % Bandwidth part
pdcch(1).Power = 1.1;                   % Power scaling in dB
pdcch(1).EnableCoding = 1;              % Enable DCI coding
pdcch(1).CORESET = 1;                   % Control resource set ID which carries this PDCCH
pdcch(1).AllocatedSearchSpaces = [0,3]; % Index of allocated search spaces in the CORESET monitoring sequence
pdcch(1).AllocatedPeriod = 4;           % Allocation slot period (empty implies no repetition)
pdcch(1).NumCCE = 8;                    % Number of CCE used by PDCCH
pdcch(1).StartCCE = 0;                  % Starting CCE of PDCCH
pdcch(1).RNTI = 0;                      % RNTI
pdcch(1).NID = 1;                       % PDCCH and DM-RS scrambling NID
pdcch(1).PowerDMRS = 0;                 % Additional power boosting in dB
pdcch(1).DataBlkSize = 20;              % DCI payload size
pdcch(1).DataSource = 'PN9';            % DCI data source

pdsch = [];
pdsch(1).Enable = 1;                    % Enable PDSCH sequence
pdsch(1).BWP = 1;                       % Bandwidth part
pdsch(1).Power = 0;                     % Power scaling in dB
pdsch(1).EnableCoding = 1;              % Enable DL-SCH transport channel coding
pdsch(1).DataSource = 'PN9';            % Channel data source
pdsch(1).TargetCodeRate = 0.4785;       % Code rate used to calculate transport block sizes
pdsch(1).Xoh_PDSCH = 0;                 % Rate matching overhead
pdsch(1).Modulation = 'QPSK';           % 'QPSK', '16QAM', '64QAM', '256QAM'
pdsch(1).NLayers = 2;                   % Number of PDSCH layers
pdsch(1).RVSequence = [0,2,3,1];        % RV sequence to be applied cyclically across the PDSCH allocation sequence
pdsch(1).VRBToPRBInterleaving = 0;      % Disable interleaved resource mapping
pdsch(1).VRBBundleSize = 2;             % vrb-ToPRB-Interleaver parameter

pdsch(1).AllocatedSymbols = 2:10;      % Range of symbols in a slot
pdsch(1).AllocatedSlots = [0:9];       % Allocated slot indices for PDSCH sequence
pdsch(1).AllocatedPeriod = 15;         % Allocation period in slots (empty implies no repetition)
pdsch(1).AllocatedPRB = [0:5, 10:20];  % PRB allocation
pdsch(1).RNTI = 0;                     % RNTI
pdsch(1).NID = 1;                      % Scrambling for data part

pdsch(1).RateMatch(1).CORESET = [1];                  % Rate matching pattern, defined by CORESET IDs
pdsch(1).RateMatch(1).Pattern.AllocatedPRB = [];      % Rate matching pattern, defined by set of 'bitmaps'
pdsch(1).RateMatch(1).Pattern.AllocatedSymbols = [];
pdsch(1).RateMatch(1).Pattern.AllocatedSlots = [];
pdsch(1).RateMatch(1).Pattern.AllocatedPeriod = [];

% Antenna port and DM-RS configuration (TS 38.211 section 7.4.1.1)
pdsch(1).PortSet = 0:pdsch(1).NLayers-1; % DM-RS antenna ports used
pdsch(1).PDSCHMappingType = 'A';         % PDSCH mapping type ('A'(slot-wise),'B'(non slot-wise))
pdsch(1).DMRSTypeAPosition = 2;          % Mapping type A only. First DM-RS symbol position (2,3)
pdsch(1).DMRSLength = 1;                 % Number of front-loaded DM-RS symbols (1(single symbol),2(double symbol))
pdsch(1).DMRSAdditionalPosition = 0;     % Additional DM-RS symbol positions (max range 0...3)
pdsch(1).DMRSConfigurationType = 2;      % DM-RS configuration type (1,2)
pdsch(1).NumCDMGroupsWithoutData = 0;    % CDM groups without data (max range 0...3)
pdsch(1).NIDNSCID = 1;                   % Scrambling identity (0...65535)
pdsch(1).NSCID = 0;                      % Scrambling initialization (0,1)
pdsch(1).PowerDMRS = 0;                  % Additional power boosting in dB

% PT-RS configuration (TS 38.211 section 7.4.1.2)
pdsch(1).EnablePTRS = 0;            % Enable or disable the PT-RS (1 or 0)
pdsch(1).PTRSTimeDensity = 1;       % Time density (L_PT-RS) of PT-RS (1,2,4)
pdsch(1).PTRSFrequencyDensity = 2;  % Frequency density (K_PT-RS) of PT-RS (2,4)
pdsch(1).PTRSREOffset = '00';       % PT-RS resource element offset ('00','01','10','11')
pdsch(1).PTRSPortSet = 0;           % PT-RS antenna ports must be a subset of DM-RS ports
pdsch(1).PowerPTRS = 0;             % Additional PT-RS power boosting in dB

% When PT-RS is enabled, the DM-RS ports must be in range 0 to 3 for DM-RS
% configuration type 1 and in range 0 to 5 for DM-RS configuration type 2.
% Nominally the antenna port of PT-RS is the lowest DM-RS port number.

pdsch(2) = pdsch(1);
pdsch(2).Enable = 1;
pdsch(2).BWP = 2;                           % PDSCH mapped to 2nd BWP
pdsch(2).AllocatedSymbols = 0:11;
pdsch(2).AllocatedSlots = [2:4,6:20];
pdsch(2).AllocatedPRB = [25:30, 35:38];     % PRB allocation, relative to BWP

csirs(1).Enable = 0;
csirs(1).BWP = 1;
csirs(1).Power = 3; % in dB

csirs(1).CSIRSType = {'nzp','zp'};
csirs(1).RowNumber = [3 5];
csirs(1).Density = {'one','one'};
csirs(1).SubcarrierLocations = {6,4};
csirs(1).NumRB = 25;
csirs(1).RBOffset = 12;
csirs(1).SymbolLocations = {13,9};
csirs(1).AllocatedSlots = {[0 2],[2 3]};
csirs(1).AllocatedPeriod = {[],5};
csirs(1).NID = 5;

csirs(2).Enable = 0;
csirs(2).BWP = 2;
csirs(2).Power = 3; % in dB
csirs(2).CSIRSType = {'nzp','nzp'};
csirs(2).RowNumber = [1 1];
csirs(2).Density = {'three','three'};
csirs(2).SubcarrierLocations = {0,0};
csirs(2).NumRB = 50;
csirs(2).RBOffset = 50;
csirs(2).SymbolLocations = {6,10};
csirs(2).AllocatedSlots = {[0,1],[0,1]};
csirs(2).AllocatedPeriod = {10,10};
csirs(2).NID = 0;

% Collect together channel oriented parameter sets into a single
% configuration
waveconfig.SSBurst = ssburst;
waveconfig.Carriers = carriers;
waveconfig.BWP = bwp;
waveconfig.CORESET = coreset;
waveconfig.PDCCH = pdcch;
waveconfig.PDSCH = pdsch;
waveconfig.CSIRS = csirs;

% Generate complex baseband waveform
[waveform,bwpset] = hNRDownlinkWaveformGenerator(waveconfig);

disp('Information associated to BWP 1:')
disp(bwpset(1).Info)