Документация

frc = 'FRC1';     % FRC number
preconfigParams = umtsUplinkReferenceChannels(frc);        % Get FRC parameters
frcWaveform = umtsUplinkWaveformGenerator(preconfigParams);% Generate FRC waveform

% FRC definition from scratch
% General settings
uplinkParams.TotFrames = 1;                     % Number of frames to be generated
uplinkParams.ScramblingCode = 1;                % Scrambling code
uplinkParams.FilterType = 'RRC';                % Enable the RRC filter
uplinkParams.OversamplingRatio = 4;             % Oversampling set to 4
uplinkParams.NormalizedPower = 'Off';           % No power normalization

% Define Uplink Dedicated Physical Data Channel (DPDCH)
uplinkParams.DPDCH.Enable = 'On';               % Enable DPDCH
uplinkParams.DPDCH.SlotFormat = 2;              % DPDCH slot format
uplinkParams.DPDCH.CodeCombination = 64;        % DPDCH spreading factor
uplinkParams.DPDCH.Power = 0;                   % Power in dB
uplinkParams.DPDCH.DataSource = 'CCTrCH';       % DPDCH data source is CCTrCH
% DPDCH carries the Coded Composite Transport Channel (CCTrCH) containing
% one or more transport channels. Since DPDCH source is specified as
% CCTrCH, define the CCTrCH containing DTCH and DCCH transport channels
% Build DTCH definition
TrCH(1).Name = 'DTCH';                          % Name of the transport channel
TrCH(1).CRC = '16';                             % CRC type
TrCH(1).CodingType = 'conv3';                   % The coding type and rate
TrCH(1).RMA = 256;                              % Rate matching attribute
TrCH(1).TTI = 20;                               % TTI in ms
TrCH(1).DataSource = 'PN9-ITU';                 % Tr channel data source
TrCH(1).ActiveDynamicPart = 1;                  % Index to active dynamic part
TrCH(1).DynamicPart(1) = struct('BlockSize',244,'BlockSetSize',244); % 1x244 blocks
% Build DCCH definition
TrCH(2).Name = 'DCCH';                          % Name of the transport channel
TrCH(2).CRC = '12';                             % CRC type
TrCH(2).CodingType = 'conv3';                   % The coding type and rate
TrCH(2).RMA = 256;                              % Rate matching attribute
TrCH(2).TTI = 40;                               % TTI in ms
TrCH(2).DataSource = 'PN9-ITU';                 % Tr channel data source
TrCH(2).ActiveDynamicPart = 1;                  % Index to active dynamic part
TrCH(2).DynamicPart(1) = struct('BlockSize',100,'BlockSetSize',100);   % 1x100 blocks
% Finalize CCTrCH structure array using the TrCH structures defined above
uplinkParams.DPDCH.CCTrCH.Name = 'DCH';         % Name of the CCTrCH
uplinkParams.DPDCH.CCTrCH.TrCH = TrCH;          % Assign DTCH/DCCH to CCTrCH

% Define DPCCH
uplinkParams.DPCCH.Enable = 'On';               % Enable DPCCH
uplinkParams.DPCCH.SlotFormat = 0;              % Slot format number
uplinkParams.DPCCH.Power = -5.46;               % Power in dB
uplinkParams.DPCCH.TPCData = 1;                 % TPC value
uplinkParams.DPCCH.TFCI = 0;                    % TFCI value
uplinkParams.DPCCH.FBIData = 0;                 % FBI value

% Define HSUPA channels
uplinkParams.HSUPA.Enable = 'On';               % Enable HSUPA channels
uplinkParams.HSUPA.CodeCombination = [4 4];     % E-DPDCH spreading factors
uplinkParams.HSUPA.EDPDCHPower = -5.46+12.04;   % Power in dB
uplinkParams.HSUPA.EDPCCHPower = -5.46+6.02;    % Power in dB
uplinkParams.HSUPA.RSNSequence = 0;             % RSN value
uplinkParams.HSUPA.ETFCI = 0;                   % E-TFCI value
uplinkParams.HSUPA.HappyBit = 0;                % Happy Bit value
uplinkParams.HSUPA.DataSource = 'EDCH';         % Data source is E-DCH
uplinkParams.HSUPA.EDCH.BlockSize = 2706;       % E-DCH transport block size
uplinkParams.HSUPA.EDCH.TTI = 2;                % E-DCH TTI in ms
uplinkParams.HSUPA.EDCH.Modulation = 'BPSK';    % Modulation scheme
uplinkParams.HSUPA.EDCH.DataSource = 'PN9-ITU'; % E-DCH Data source

% Define HS-DPCCH, but disable for FRC1 generation
uplinkParams.HSDPCCH.Enable = 'Off';            % Disable HS-DPCCH
uplinkParams.HSDPCCH.Power = 0;                 % Power in dB
uplinkParams.HSDPCCH.CQI = 0;                   % CQI value
uplinkParams.HSDPCCH.HARQACK = 1;               % HARQ ACK bit value
uplinkParams.HSDPCCH.UEMIMO = 0;                % UE not in MIMO mode

% The structure defined above can be used to generate the waveform:
frcWaveform2 = umtsUplinkWaveformGenerator(uplinkParams);

% For completeness we can see that the FRC definition structures obtained
% by the above two parameterization approaches are identical
if(isequal(uplinkParams,preconfigParams))
    disp(['FRC1 definitions generated with and without using ' ...
    'umtsUplinkReferenceChannels function are the same.']);
end

if(isequal(frcWaveform,frcWaveform2))
    disp(['FRC1 waveforms generated with and without using' ...
    ' umtsUplinkReferenceChannels function are the same.']);
end

chiprate = 3.84e6;   % Chip rate of the baseband waveform
spectrumPlot = dsp.SpectrumAnalyzer('SampleRate', chiprate*uplinkParams.OversamplingRatio);
spectrumPlot.Title = sprintf('Spectrum of Fixed Reference Channel %s waveform', frc);
spectrumPlot.YLimits = [-100,40];
spectrumPlot(frcWaveform);