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Tag: MIMO

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 beam formation process can be seen in water waves by throwing two stones
November 15, 2021 Wireless/SDR

Beamforming in 5G Systems – Classical Beamforming

As opposed to its reputation, beamforming is not a mysterious technology. It has been used by signal processing engineers for

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Diversity implies two or more independent replicas of the same information
November 2, 2021 Wireless/SDR

Multiple Antenna Techniques

When computing approaches the physical limits of clocking speeds, we turn towards multi-core architectures. When communication approaches the physical limits

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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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A view of time-frequency-space grid in a communication system
November 13, 2021 Wireless/SDR

How Multiple Antennas Sample the Signal

Once upon a time, an antenna was viewed as a simple device to transmit and receive an electromagnetic wave, much

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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
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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