Sriram Tadavarty
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Contribute at least one answer each month for 12 consecutive months
Awarded to Sriram Tadavarty on 02 Mar 2021
Answer 10 questions that were unanswered for more than 30 days
Awarded to Sriram Tadavarty on 05 Jan 2021
100 of your answers have been accepted
Awarded to Sriram Tadavarty on 27 Apr 2020
Solve all the problems in CUP Challenge
Awarded to Sriram Tadavarty on 14 Mar 2020
Solve all the problems in Introduction to MATLAB problem group
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Content Feed
5G NR Carrier Phase Compensation Option
Hi Sakthivel, From MATLAB R2020b, the 5G waveform can be generated through nrWaveformGenerator function. This function takes a ...
4 months 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...
5 months 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...
6 months 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
6 months 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...
8 months 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...
8 months 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...
8 months 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...
8 months 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...
9 months 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 ...
9 months 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 ...
9 months ago | 0
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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...
9 months 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...
9 months 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...
9 months ago | 0
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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...
9 months 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...
9 months ago | 0
nrTimingEstimate 5G toolbox
Hi Maryam, nrTimingEstimate function of 5G Toolbox is available only from MATLAB R2019b. Please look after the MATLAB version ...
9 months 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...
9 months 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...
9 months 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...
9 months 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
9 months 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...
10 months 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
10 months ago | 0
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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...
10 months 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...
11 months ago | 0
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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)...
11 months ago | 0
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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. ...
11 months ago | 1
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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 ...
11 months 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...
11 months ago | 0
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 ...
11 months ago | 0
