umts uplink waveform generation -凯发k8网页登录

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 = spectrumanalyzer(samplerate=chiprate*uplinkparams.oversamplingratio);
spectrumplot.title = sprintf('spectrum of fixed reference channel %s waveform', frc);
spectrumplot(frcwaveform);