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What is 5G Technology? Frequency Bands, Speed, and Others
Theoretical Aspects of 5G Technology | Everything You Need to Know About 5G | 5G FAQ
5g Availability by Cities Worldwide
What is 5G RAN?
Channel modelling for millimeter wave
Future scope of patch antennas that are used for 5g Applications
Discussion of some confusing questions about mm-wave 5G
Frequently Asked Questions about 5G
Time-delayed saleh valenzuala cluster model for UWB & mm-Wave
Ultra-Wideband (UWB)
What is Millimeter Wave (mm wave)?
Challenges and Potential Solutions for 5G Networks
5G Channel Estimation using Orthogonal Matching Pursuit (OMP)
Difference between 4G and 5G technology | In the context of Frequency, Bandwidth ...
Standalone (SA) and non-Standalone (non-SA) Networks in 5G
Network Slicing for 5G Networks
5G : Challenges and Potential Solutions for 5G Communication
Raytracing in Modern Wireless Communication
Present and Future Wireless Communication Systems
Best 5G Blogs
What is 5G? How will it transform our world?
5G in India: Spectrum Acquisitions of Airtel, Jio, Vodafone Idea
5G Technology: Requirements and Enabling Technologies
What frequency is 5G? All the different 5G ranges, explained
Is 5G Harmful to People?
Will rural areas get 5G?
Will 5G work in remote areas?
More ...


Beamforming & Channel EstimationClick here

MIMO / Massive MIMO Click here

Future Communication Systems Click here

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Admin & Author: Salim

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  Website: www.salimwireless.com
  Interests: Signal Processing, Telecommunication, 5G Technology, Present & Future Wireless Technologies, Digital Signal Processing, Computer Networks, Millimeter Wave Band Channel, Web Development
  Seeking an opportunity in the Teaching or Electronics & Telecommunication domains.
  Possess M.Tech in Electronic Communication Systems.


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UGC NET Electronic Science Previous Year Question Papers

Home / Engineering & Other Exams / UGC NET 2022: Previous Year Question Papers ...   NET | GATE | ESE | UGC-NET (Electronics Science, Subject code: 88 ) UGC Net Electronic Science Questions Paper With Answer Key Download Pdf [December 2023] UGC Net Electronic Science Questions Paper With Answer Key Download Pdf [June 2023] UGC Net Electronic Science Questions Paper With Answer Key Download Pdf [December 2022]  UGC Net Electronic Science Questions Paper With Answer Key Download Pdf [June 2022]   UGC Net Electronic Science Questions Paper With Answer Key Download Pdf [December 2021] UGC Net Electronic Science Questions With Answer Key Download Pdf [June 2020] UGC Net Electronic Science Questions With Answer Key Download Pdf [December 2019] UGC Net Electronic Science Questions With Answer Key Download Pdf [June 2019] UGC Net Electronic Science Questions With Answer Key Download Pdf [December 2018] UGC Net Electronic Science Questions With Answer Key Download Pdf [July 2018] UG
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Comparisons among ASK, PSK, and FSK | And the definitions of each

Modulation ASK, FSK & PSK Constellation MATLAB Simulink MATLAB Code Comparisons among ASK, PSK, and FSK    Comparisons among ASK, PSK, and FSK ASK or OFF ON Keying Ask is a simple (less complex) Digital Modulation Scheme where we vary the modulation signal's amplitude or voltage by the message signal's amplitude or voltage. We select two levels (two different voltage levels) for transmitting modulated message signals for the exam. And for example, we mapped the signal as two-level  "+5 Volt"  (which is the upper level) and another level,  "0 Volt,"  which is considered as the lower level. Whenever we need to transmit binary bit  "1,"  then the transmitter transmits a signal of  "+5 Volts,"  and when we need to send bit  "0,"  then it transmits no power. But the receiver is intelligent enough to deflect whether you've sent binary bit  "1"  or  "0
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BER vs SNR for M-ary QAM, M-ary PSK, QPSK, BPSK, ...

Modulation Constellation Diagrams BER vs. SNR BER vs SNR for M-QAM, M-PSK, QPSk, BPSK, ... 1. What is Bit Error Rate (BER)? The abbreviation BER stands for bit error rate, which indicates how many corrupted bits are received (after the demodulation process) compared to the total number of bits sent in a communication process. It is defined as,  In mathematics, BER = (number of bits received in error / total number of transmitted bits)  On the other hand, SNR refers to the signal-to-noise power ratio. For ease of calculation, we commonly convert it to dB or decibels.   2. What is Signal to Noise Ratio (SNR)? SNR = signal power/noise power (SNR is a ratio of signal power to noise power) SNR (in dB) = 10*log(signal power / noise power) [base 10] For instance, the SNR for a given communication system is 3dB. So, SNR (in ratio) = 10^{SNR (in dB) / 10} = 2 Therefore, in this instance, the signal power is twice as
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Constellation Diagrams of ASK, PSK, and FSK

Modulation ASK, FSK & PSK Constellation This article will primarily discuss constellation diagrams, as well as what constellation diagrams tell us and the significance of constellation diagrams. Constellation diagrams can often demonstrate how the amplitude and phase of signals or symbols differ. These two characteristics lessen the interference between two signals or symbols. Figure 1: Constellation diagrams of ASK, PSK, and FSK The constellation points for ASK, PSK, and FSK [↗] are located in a different pattern, and the distances between the constellation points vary. According to the above diagram, the distance between ASK constellation points is (√Eb -0) = √Eb (where Eb stands for energy per bit). From the above figure, you can also see the distances between constellation points for PSK and FSK are 2√Eb and √(2Eb), respectively. In a constellation diagram, if the distance between signaling points is less, then the probability
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MATLAB code for BER vs SNR for M-QAM, M-PSK, QPSk, BPSK, ...

Modulation Constellation Diagrams BER vs. SNR MATLAB code for BER vs SNR for M-QAM, M-PSK, QPSk, BPSK, ...   MATLAB Script for  BER vs. SNR for M-QAM, M-PSK, QPSk, BPSK %Written by Salim Wireless %Visit www.salimwireless.com for study materials on wireless communication %or, if you want to learn how to code in MATLAB clc; clear all; close all; EbN0=-4:1:24; % Signal to Noise Ratio per Bit (in dB) EbN0ratio=10.^(EbN0/10); % Converted into ratio colors={'k-*','r-h','g-o','c-s','m-s','y-*','k-p','b:s','m:d','g:p'}; index=1; %BPSK BPSK_BER = 0.5*erfc(sqrt(EbN0ratio)); plotHandle=plot(EbN0,log10(BPSK_BER),char(colors(index))); set(plotHandle,'LineWidth',1.7); hold on; index=index+1; %M-PSK m=2:1:5; M=2.^m; for i=M, k=log2(i); PSK_BER = 1/k*erfc(sqrt(EbN0ratio*k)*sin(pi/i)); plotHandle=plot
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Simulation of ASK, FSK, and PSK using MATLAB Simulink

ASK, FSK & PSK HomePage MATLAB Simulation Simulation of Amplitude Shift Keying (ASK) using MATLAB Simulink      In Simulink, we pick different components/elements from MATLAB Simulink Library. Then we connect the components and perform a particular operation.  Result A sine wave source, a pulse generator, a product block, a mux, and a scope are shown in the diagram above. The pulse generator generates the '1' and '0' bit sequences. Sine wave sources produce a specific amplitude and frequency. The scope displays the modulated signal as well as the original bit sequence created by the pulse generator. Mux is a tool for displaying both modulated and unmodulated signals at the same time. The result section shows that binary '1' is modulated by a certain sine wave amplitude of 1 Volt, and binary '0' is modulated by zero amplitude. Simulation of Frequency Shift Keying (FSK) using MATLAB Simulink   Result The diagram above shows t
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MATLAB Codes for Various types of beamforming | Beam Steering, Digital...

Beamforming Techniques MATLAB Codes for Beamforming... The mathematical [↗] and theoretical aspects of beamforming [↗] have already been covered. We'll talk about coding in MATLAB in this tutorial so that you may generate results for different beamforming approaches. Let's go right to the content of the article. In analog beamforming, certain codebooks are employed on the TX and RX sides to select the best beam pairs. Because of their beamforming gains, communication created through the strongest beams from both the TX and RX side enhances spectrum efficiency. Additionally, beamforming gain directly impacts SNR improvement. Wireless communication system capacity = bandwidth*log2(1+SNR) bits/s. Thus, the capacity or overall throughput of the system increases. MATLAB Script %Written by Salim Wireless %Visit www.salimwireless.com for study materials on wireless communication %or, if you want to learn how to code in MATLAB clear all;
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