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Tag: Equalizer

Intuition behind LMS algorithm
January 20, 2022 Wireless/SDR

Least Mean Square (LMS) Equalizer – A Tutorial

The LMS algorithm was first proposed by Bernard Widrow (a professor at Stanford University) and his PhD student Ted Hoff

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OFDM subcarriers in frequency domain
February 14, 2022 Wireless/SDR

Advantages and Disadvantages of OFDM – A Summary

Orthogonal Frequency Division Multiplexing (OFDM) is a technique of choice for many high rate wireless communication systems. An overview of

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Beamforming in multi-user vs massive MIMO systems
December 8, 2021 Wireless/SDR

Zero-Forcing (ZF) Detection in Massive MIMO Systems

Massive MIMO is one of the defining technologies in 5G cellular systems. In a previous article, we have described spatial

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A quasi-static assumption implies that the channel stays the same for each block but varies from one block to the next
December 30, 2017 Wireless/SDR

A Time-Varying Wireless Channel

Today we will discuss three strategies that are usually adopted for handling a wireless channel that is varying with time

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Bandwidth, power and DSP correspond to the traditional trio of raw materials, energy and knowledge
October 21, 2020 DSP / Miscellaneous / Wireless/SDR

Why Building an SDR Requires DSP Expertise

In an introduction to signals, we discussed the idea that the any activities around us, starting from subatomic particles to

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Wireless Communications from the Ground Up - An SDR Perspective
Learn about wireless communications and SDR and 5G Physical Layer through great visualizations, simple maths and intuitive explanations
A wireless channel with speakers and microphone
Send and receive wireless signals over the air without expensive SDR hardware through a speaker (Tx) and a microphone (Rx)

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