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Sriram Tadavarty


Last seen: 2 días ago

MathWorks

319 total contributions since 2018

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Answered
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...

22 días ago | 0

Answered
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...

27 días ago | 0

Answered
Question about 5G toolbox
Hi Angelo Rob, The BLER versus SINR result is placed by running the simulations in NewRadioPDSCHThroughputExample. The PDSCH th...

27 días ago | 0

Answered
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...

27 días ago | 0

Answered
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...

alrededor de 2 meses ago | 0

Answered
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 ...

alrededor de 2 meses ago | 0

Answered
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 ...

alrededor de 2 meses ago | 0

Answered
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...

alrededor de 2 meses ago | 0

Answered
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...

alrededor de 2 meses ago | 0

Answered
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...

alrededor de 2 meses ago | 0

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Answered
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...

alrededor de 2 meses ago | 0

Answered
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...

alrededor de 2 meses ago | 0

Answered
nrTimingEstimate 5G toolbox
Hi Maryam, nrTimingEstimate function of 5G Toolbox is available only from MATLAB R2019b. Please look after the MATLAB version ...

alrededor de 2 meses ago | 0

Answered
How to generate a 5G mmWave waveform
Hi Nathan, 5G Toolbox contains the nrWaveformGenerator function, waveform generator App, downlink waveform generation and uplin...

alrededor de 2 meses ago | 0

Answered
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...

alrededor de 2 meses ago | 0

Answered
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...

alrededor de 2 meses ago | 0

Answered
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

alrededor de 2 meses ago | 1

| accepted

Answered
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...

3 meses ago | 0

Answered
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

3 meses ago | 0

| accepted

Answered
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...

3 meses ago | 1

| accepted

Answered
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...

4 meses ago | 0

| accepted

Answered
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)...

4 meses ago | 0

| accepted

Answered
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. ...

4 meses ago | 0

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Answered
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 ...

4 meses ago | 0

Answered
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...

4 meses ago | 0

Answered
BER in scatter plot
Hi Darshan, BER is not releated to complex symbols. So, it can'e be known from scatter plot. You need to first demodulate the ...

4 meses ago | 0

Answered
How to design a filter to pass frequencies between 0 and 12Hz
Hi Hishan, You can confirm if your filter designed meets the requirements, by looking at the frequency response of the filter u...

4 meses ago | 0

Solved


Cell joiner
You are given a cell array of strings and a string delimiter. You need to produce one string which is composed of each string fr...

5 meses ago

Answered
5G DMRS sequence generation
Hi Bryan, The function nrPRBS accepts a vector or a scalar to specify the number of elements in the sequence, n. When n is spe...

5 meses ago | 0

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Answered
which filter generate after prepossessing signals into Signal Analyzer app, IIR or FIR ?
HI Dhiraj, The singal analyzer app, preprocess the signal using these functions for the corresponding filters: lowpass, (Low p...

6 meses ago | 1

| accepted

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