Sriram Tadavarty
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Contribute at least one answer each month for 12 consecutive months
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Answer 10 questions that were unanswered for more than 30 days
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100 of your answers have been accepted
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Content Feed
What are the differences between UL-SCH (uplink shared channel) and PUSCH (physical uplink shared channel)?
Hi Federico, UL-SCH stands for uplink shared channel and is a transport channel, which performs CRC addition, code block segmen...
2 maanden ago | 0
5G NR Carrier Phase Compensation Option
Hi Sakthivel, From MATLAB R2020b, the 5G waveform can be generated through nrWaveformGenerator function. This function takes a ...
12 maanden ago | 0
Simulink wavegenartor gives not smoth sine wave
Hi Tomer, To get a smooth waveform, try to have more samples within the one cycle of sine waveform. Changing the number of samp...
ongeveer een jaar ago | 1
| accepted
to get the proper scatter plot
Hi Abdul, The scatterplot usage is correct itself. May i know why do you feel the constellation is incorrect? Since, xbits are...
ongeveer een jaar ago | 0
| accepted
How to assign a different value to a given value in a 2-D array?
Hi Abhishek, You can try this A(A==5) = 1; Hope this helps Regards, Sriram
ongeveer een jaar ago | 1
| accepted
SS Block power boost in a SSB burst to imitate beamforming
Hi Prabhat, It is not possible increase the power of 1 SS block of SSB burst directly using nrWavegenSSBurstConfig, nrDLCarrier...
meer dan een jaar ago | 0
How do we define the lookup table for '5G NR CQI Reporting'?
Hi Waseem, The BLER versus SINR result is placed by running the simulations in NewRadioPDSCHThroughputExample. The PDSCH throug...
meer dan een jaar ago | 0
Question about 5G toolbox
Hi Angelo Rob, The BLER versus SINR result is placed by running the simulations in NewRadioPDSCHThroughputExample. The PDSCH th...
meer dan een jaar ago | 0
5G Waveform Generator app from the 5G toolbox constellation diagram question
Hi Christopher, The constellation diagram observed in the 5G Waveform Generator App are those of the OFDM modulated waveform. S...
meer dan een jaar ago | 0
5G Positioning via Position Reference Signal
Hi there, PRS repetition time gap is the slot offset between two consecutive repetition indices of all the PRS resources in a P...
meer dan een jaar ago | 1
How to calculate RSRP of an SS Burst in the receiver?
Hi Filipa, The RSRP measurement comes after the OFDM demodulation step. Just to note, channel estimation step is not performed ...
meer dan een jaar ago | 0
Matlab Code for Performance Analysis (BER vs Eb_N0) of BPSK, QPSK & 16QAM, on 4G LTE
Hi Theman, Bit error rate (BER) performance of a modulation scheme is independent of the technology used. To get BER of PDSCH ...
meer dan een jaar ago | 0
| accepted
how to convert cdl channel to awgn channel in nrpdsch link level simulation
Hi Govindu, The NR PDSCH Throughput example does addition of AWGN to the waveform passed through the CDL/TDL channel. So, AWGN...
meer dan een jaar ago | 0
does matlab 2015a supports massive mimo and 5G
Hi Chethan, 5G support in MATLAB is through 5G Toolbox from MATLAB release R2018b and through 5G Library (add-on for LTE Toolbo...
meer dan een jaar ago | 0
System-level simulation using 5G tool box
Hi KK14, 5G library add-on doesnot contain system-level simulation examples. Download and install 5G Toolbox and use latest re...
meer dan een jaar ago | 0
| accepted
NR PDSCH running time
Hi Ayesha, If you are using multiple SNR points, then use parfor statement which is commented out in the code to have faster si...
meer dan een jaar ago | 0
5G NR -plot constellation
Hi Pavan, If you have IQ data in .mat file, open MATLAB and then load the mat file, which will bring the data present in .mat f...
meer dan een jaar ago | 0
nrTimingEstimate 5G toolbox
Hi Maryam, nrTimingEstimate function of 5G Toolbox is available only from MATLAB R2019b. Please look after the MATLAB version ...
meer dan een jaar ago | 0
How to generate a 5G mmWave waveform
Hi Nathan, 5G Toolbox contains the nrWaveformGenerator function, waveform generator App, downlink waveform generation and uplin...
meer dan een jaar ago | 0
Practical timing offset and channel estimation in 5G toolbox
Hi Medhat, The functions h5gPerfectTimingOffset and h5gPerfectChannelEstimate are only used for perfect estimates. So, it would...
meer dan een jaar ago | 0
5G Waveform Spectral Analysis and use for 5G transmission.
Hi Christian, I am not sure, if you are still working of that library. Just for information, to create 5G waveforms, use 5G To...
meer dan een jaar ago | 0
Defining values into zeros matrix
Hi, You can directly execute q= 0:1:360; s4=[(0.096.*cos(q))-(0.168.*sin(q))] Regards, Sriram
meer dan een jaar ago | 1
| accepted
wrong number of rows of cell array using length()-function
Hi Nik, length returns the length of the largest array dimension in X. For vectors, the length is simply the number of elements...
meer dan een jaar ago | 0
5G NR Channel Estimation by Slot instead DM-RS
Hi Fatih, You can use nrChannelEstimate directly and provide all the symbol values and indices as arguments. Regards, Sriram
meer dan een jaar ago | 0
| accepted
Understanding the Matlab code
Hi Rehman,, The bolded line in the code is d_T = d'; The above lines indicates complex conjugate transpose of matrix d is a...
meer dan een jaar ago | 1
| accepted
HDL OFDM Transmitter Reference Application
Hi Nisha, Please ensure you have the products HDL Coder, Wireless HDL Toolbox and Simulink installed in MATLAB. Also, ensure yo...
meer dan een jaar ago | 0
| accepted
While loop if condition
Hi Braden, You can add these conditions in the while loop. (~isreal(left)) % To check if left is a complex number (imag(left)...
meer dan een jaar ago | 0
| accepted
Delete the first element from each first row inside the cell array
Hi Daria, You can try A1 = cellfun(@(x) x(2:end), A, 'UniformOutput', false) For more information about cellfun, look here. ...
meer dan een jaar ago | 1
| accepted
1x0 emtpy double row vector?
Hi Metin, In MATLAB, the colon operator indicates the range of values that are used for an operation. lowestNum:HighestNum is ...
meer dan een jaar ago | 0
How to convert array so that I have only numerical values
Hi Pavan, As from the snippet provided, i can see a pattern where from 6 element the numeric value starts and has till last but...
meer dan een jaar ago | 0
