Sriram Tadavarty

Last seen: 5 days ago | Active since 2018

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Prox is not working. X(:, i+1) is not well defined. When I put X = rand(10,1) and prox_L1(X, 0.5) then it's working. But I am not getting X(:, i+1). I want to run the followin
Hi Feeroz, Here are some of the inputs that I can provide without knowing how the prox_L1 code is. The issue is that Z_i is a ...

4 months ago | 0

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5G Toolbox TS38.211 Table 6.3.3.1-7 for Short PRACH Preamble Generation
Hi Dogukan, The 3GPP Release 16 updates of PRACH generation are available in 5G Toolbox from MATLAB R2021b release. Hope this ...

4 months ago | 0

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Output argument "variable" (and maybe others) not assigned during call to "function".
Hi blackg2, Based on the error message and the code provided, it is possible that the when the value of h is greater than or eq...

1 year ago | 0

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Error with "ShowDetails" property in SatelliteScenarioViewer and conicalSensor parent input
Hi Anna Martinez, The support for non-cluttered visualization using "ShowDetails" name-value pair started from MATLAB Release R...

1 year ago | 0

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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...

1 year ago | 0

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5G NR Carrier Phase Compensation Option
Hi Sakthivel, From MATLAB R2020b, the 5G waveform can be generated through nrWaveformGenerator function. This function takes a ...

2 years ago | 0

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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...

2 years ago | 1

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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...

2 years ago | 0

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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

2 years ago | 1

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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...

2 years ago | 0

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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...

2 years ago | 0

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

2 years ago | 0

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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...

2 years ago | 0

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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...

2 years ago | 1

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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 ...

2 years ago | 0

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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 ...

2 years 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...

2 years ago | 0

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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...

2 years ago | 0

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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...

2 years 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...

2 years ago | 0

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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...

2 years ago | 0

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

2 years ago | 0

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

2 years ago | 0

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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...

2 years ago | 0

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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...

2 years ago | 0

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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

2 years ago | 1

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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 years ago | 0

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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 years ago | 0

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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 years ago | 1

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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...

3 years ago | 0

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Sriram Tadavarty

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