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Category: Wireless/SDR

Wireless communications and Software Defined Radio (SDR)

Computing noise power within a specified bandwidth
August 15, 2016 Wireless/SDR

Additive White Gaussian Noise (AWGN)

The performance of a digital communication system is quantified by the probability of bit detection errors in the presence of

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Coverage and throughput in different bands
December 20, 2021 Wireless/SDR

Channel Propagation Effects in mmWave Systems

In a previous article, we have discussed in detail the free space propagation in mmWave systems. We saw that the

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Wired and wireless channels
August 14, 2016 Wireless/SDR

Modulation – From Numbers to Signals

The purpose of digital communications is to send digital data across a channel which can be wireless telephone lines coaxial

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An illustration of wiping off the modulation process without any training information
August 11, 2016 Wireless/SDR

Non-Data-Aided Carrier Phase Estimation

A carrier phase offset rotates the Rx constellation causing decision errors even in a perfectly noiseless environment. One of the

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Square-Root Raised Cosine (SR-RC) spectrum with different excess bandwidths
August 7, 2016 Wireless/SDR

Modulation Bandwidths

From the article on pulse shaping, we can correctly determine the occupied bandwidth for each modulation scheme where the Square-Root

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5G Physical Layer - An Easy Guide to Key Technologies
Learn about 5G physical layer through great visualizations, simple maths and intuitive explanations

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