50 lines
1.7 KiB
Mathematica
50 lines
1.7 KiB
Mathematica
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function hePlotEQConstellation(eqDataSym,cfgRx,ConstellationDiagram,varargin)
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% hePlotEQConstellation Plot equalized constellation for all spatial streams
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%
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% hePlotEQConstellation(EQDATASYM,CFGRX,CONSTELLATIONDIAGRAM) plots
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% equalized constellation for all spatial streams.
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%
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% EQDATASYM are the demodulated HE-Data field OFDM symbols for a user,
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% specified as a Nsd-by-Nsym-by-Nss matrix of real or complex values,
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% where Nsd is the number of data subcarriers in the HE-Data field and
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% Nsym is the number of OFDM symbols, and Nss is the number of spatial
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% streams.
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%
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% CFGRX is the format configuration object of type <a href="matlab:help('wlanHERecoveryConfig')">wlanHERecoveryConfig</a>.
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%
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% CONSTELLATIONDIAGRAM is a system object of type <a href="matlab:help('comm.ConstellationDiagram')">comm.ConstellationDiagram</a>.
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%
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% hePlotEQConstellation(...,USERIDX,NUMUSERS) displays user number and
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% number of user information in the figure title.
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% Copyright 2019 The MathWorks, Inc.
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if nargin==5
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userIdx = varargin{1};
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numUsers = varargin{2};
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elseif nargin==4
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userIdx = varargin{1};
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numUsers = 1;
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end
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[Nsd,Nsym,Nss] = size(eqDataSym);
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eqDataSymPerSS = reshape(eqDataSym,Nsd*Nsym,Nss);
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str = cell(Nss,1);
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for iss=1:Nss
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str{iss} = sprintf('Spatial stream %d',iss);
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end
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ConstellationDiagram.ReferenceConstellation = wlanReferenceSymbols(cfgRx);
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ConstellationDiagram(eqDataSymPerSS);
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show(ConstellationDiagram);
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if nargin>3
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ConstellationDiagram.Name = sprintf('Equalized data symbols, user #%d/%d',userIdx,numUsers);
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else
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ConstellationDiagram.Name = sprintf('Equalized data symbols');
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end
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ConstellationDiagram.ChannelNames = str;
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release(ConstellationDiagram);
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end
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