Cedric Roux
56c66c09aa
Pre-ci test passed git-svn-id: http://svn.eurecom.fr/openair4G/trunk@4000 818b1a75-f10b-46b9-bf7c-635c3b92a50f
68 lines
2.7 KiB
Matlab
68 lines
2.7 KiB
Matlab
clear all
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close all
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addpath('../IMPORT_FILTER');
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% [estimates,NFrames]=load_estimates_lte_new('E:/EMOS/eNB_data_20120719_171732.EMOS',1000);
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% [estimates_UE,NFrames_UE]=load_estimates_lte_new('E:/EMOS/UE_data_20120719_171714.EMOS',1000,1,0);
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% [estimates,NFrames]=load_estimates_lte_new('E:/EMOS/eNB_data_20120719_163504.EMOS',10000);
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% [estimates_UE,NFrames_UE]=load_estimates_lte_new('E:/EMOS/UE_data_20120719_163447.EMOS',10000,1,0);
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load eNB_estimates
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load UE_estimates
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struct_template_new
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%%
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NFrames = 1000;
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decimation = 1;
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NFrames_eNB = size(estimates,2);
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NFrames_UE = size(estimates_UE,2);
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H_eNB = complex(zeros(floor(NFrames/decimation),size(fifo_dump_emos_struct_eNb.channel,1)/2,size(fifo_dump_emos_struct_eNb.channel,2)));
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H_UE = complex(zeros(floor(NFrames/decimation),size(fifo_dump_emos_struct_UE.channel,1)/2,size(fifo_dump_emos_struct_UE.channel,2)));
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% find the indices to align the eNB and the UE data
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frames_eNB = [estimates.frame_tx]; %frame counter at eNB
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frames_UE = [estimates_UE.frame_rx]; %frame counter at UE
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frame0 = frames_UE(3);
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idx0_eNB = find(frames_eNB==frame0);
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idx0_UE = find(frames_UE==frame0);
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%%
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for k=1:NFrames %-max(idx0_eNB,idx0_UE)
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%disp([frame0+k-1 frames_eNB(idx0_eNB+k-1) frames_UE(idx0_UE+k-1)]);
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H_eNB(k,:,:) = double(estimates(idx0_eNB+k-1).channel(1:2:end,:)) + 1j*double(estimates(idx0_eNB+k-1).channel(2:2:end,:));
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H_UE(k,:,:) = double(estimates_UE(idx0_UE+k-1).channel(1:2:end,:)) + 1j*double(estimates_UE(idx0_UE+k-1).channel(2:2:end,:));
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end
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% size(H_eNB) = [NFrames,N_RB_UL_EMOS*12*N_PILOTS_UL_EMOS*N_SUBFRAMES_UL_EMOS,NB_ANTENNAS_RX_EMOS]
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% where N_RB_UL_EMOS*12 = 25*12 = 300 is the number of usefull subcarriers
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% N_PILOTS_UL_EMOS = 2 is the number of OFDM symbols per subframe that have pilots
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% N_SUBFRAMES_UL_EMOS = 3 is the number of UL subframes per frame*
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% size(H_UE) =
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% [NFrames,NUMBER_OF_OFDM_CARRIERS_EMOS*N_PILOTS_DL_EMOS*N_SUBFRAMES_DL_EMOS,NB_ANTENNAS_TX_EMOS]
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% where NUMBER_OF_OFDM_CARRIERS_EMOS = 512 is the number of OFDM carrier
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% (out of which only the first 300 are non-zero)
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% N_PILOTS_DL_EMOS = 4 is the number of OFDM carriers that have pilots
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% (linear interpolation in the frequency domain has already been
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% performed)
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% N_SUBFRAMES_DL_EMOS = 5 is the number of DL subframes per frame*
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% NB_ANTENNAS_TX_EMOS = NB_ANTENNAS_RX =2 is the number of antennas at the eNB
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% (the UE has one antenna for TX/RX)
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% *here we are using TDD configuration 3 which looks like this (S = special subframe)
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% [DL | S | UL | UL | UL | DL | DL | DL | DL | DL]
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%%
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figure(1)
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hold off
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plot([estimates.frame_tx])
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hold on
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plot([estimates_UE.frame_rx],'r')
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