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A symbolic representation of aligning the Tx weights and Rx weights according to the channel conditions for maximum throughput
November 8, 2021 Machine Learning / Wireless/SDR

Singular Value Decomposition (SVD) – A Tutorial with an Application to Wireless Systems

Singular Value Decomposition (SVD) is a powerful concept in linear algebra whose relevance has significantly increased in recent times. Some

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Block diagram of a pulse amplitude modulator and demodulator
July 24, 2016 Wireless/SDR

Pulse Amplitude Modulation (PAM)

In the article on modulation – from numbers to signals, we said that the Pulse Amplitude Modulation (PAM) is an

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A linear system with scaled input and output
July 29, 2016 DSP

Linear Systems

In wireless communications and other applications of digital signal processing, we often want to modify a generated or acquired signal.

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A digital signal and its underlying continuous waveform
July 24, 2016 DSP

A Digital Signal

We have talked about obtaining a discrete-time signal through sampling the time-axis and obtaining a discrete frequency set through sampling

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A BPSK constellation in a the presence of a carrier phase offset. A hypothetical QPSK constellation is also shown for comparison
July 23, 2016 Wireless/SDR

How to Detect a Carrier Lock in an SDR

We have discussed before the effect of a phase offset on the received signal. We have also seen a logical

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Wireless Communications from the Ground Up - An SDR Perspective
Learn about Wireless Communications and SDR 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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