Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

Multi-input and Multi-variable systems01:22

Multi-input and Multi-variable systems

162
Cruise control systems in cars are designed as multi-input systems to maintain a driver's desired speed while compensating for external disturbances such as changes in terrain. The block diagram for a cruise control system typically includes two main inputs: the desired speed set by the driver and any external disturbances, such as the incline of the road. By adjusting the engine throttle, the system maintains the vehicle's speed as close to the desired value as possible.
In the absence...
162
Linear Approximation in Frequency Domain01:26

Linear Approximation in Frequency Domain

143
Linear systems are characterized by two main properties: superposition and homogeneity. Superposition allows the response to multiple inputs to be the sum of the responses to each individual input. Homogeneity ensures that scaling an input by a scalar results in the response being scaled by the same scalar.
In contrast, nonlinear systems do not inherently possess these properties. However, for small deviations around an operating point, a nonlinear system can often be approximated as linear....
143
Mesh Analysis for AC Circuits01:12

Mesh Analysis for AC Circuits

430
In the domain of radio communication, the significance of impedance matching must be considered. It is crucial to ensure the efficient transmission of signals between radio transmitters and receivers. Achieving this balance involves using impedance-matching circuits, with one fundamental configuration comprising a resistor, capacitor, and inductor.
The process of harmonizing these impedances begins with a clear understanding of the input and output signals. Once these signals are known, the...
430
Linear Approximation in Time Domain01:21

Linear Approximation in Time Domain

130
Nonlinear systems often require sophisticated approaches for accurate modeling and analysis, with state-space representation being particularly effective. This method is especially useful for systems where variables and parameters vary with time or operating conditions, such as in a simple pendulum or a translational mechanical system with nonlinear springs.
For a simple pendulum with a mass evenly distributed along its length and the center of mass located at half the pendulum's length,...
130
Uniform Depth Channel Flow: Problem Solving01:18

Uniform Depth Channel Flow: Problem Solving

131
To calculate the flow rate for a trapezoidal channel, first, identify the bottom width, side slope, and flow depth of the channel. The cross-sectional area (A) corresponding to the depth of flow (y), channel bottom width (B), and side slope (θ) is determined by:Next, calculate the wetted perimeter, which includes the bottom width and the sloped side lengths in contact with the water. Using the values of the cross-sectional area and the wetted perimeter, determine the hydraulic radius by...
131

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

2,2'-(1,3,5,7-Tetra-oxo-1,2,3,5,6,7-hexa-hydro-pyrrolo[3,4-f]isoindole-2,6-di-yl)diacetic acid N,N-dimethyl-formamide disolvate.

Acta crystallographica. Section E, Structure reports online·2011
Same author

4,4'-Bipyridine-2,3,4,5,6-penta-fluoro-benzoic acid (1/2).

Acta crystallographica. Section E, Structure reports online·2011
Same author

Development of a new duplex real-time polymerase chain reaction assay for hepatitis B viral DNA detection.

Virology journal·2011
Same author

Annexin A5-conjugated polymeric micelles for dual SPECT and optical detection of apoptosis.

Journal of nuclear medicine : official publication, Society of Nuclear Medicine·2011
Same author

[Preventive and therapeutic effects of quercetin on hyperuricemia and renal injury in rats].

Wei sheng yan jiu = Journal of hygiene research·2011
Same author

Molecular and biochemical characterization of a new alkaline β-propeller phytase from the insect symbiotic bacterium Janthinobacterium sp. TN115.

Applied microbiology and biotechnology·2011

Related Experiment Video

Updated: Sep 21, 2025

Author Spotlight: Advancing Large-Scale Neural Dynamics Through HD-MEA Technology
09:44

Author Spotlight: Advancing Large-Scale Neural Dynamics Through HD-MEA Technology

Published on: March 8, 2024

5.1K

Deep Learning-Based Channel Estimation for mmWave Massive MIMO Systems in Mixed-ADC Architecture.

Rui Zhang1, Weiqiang Tan1, Wenliang Nie2

  • 1School of Computer Science and Cyber Engineering, Guangzhou University, Guangzhou 510006, China.

Sensors (Basel, Switzerland)
|May 28, 2022
PubMed
Summary

This study explores channel estimation in millimeter-wave (mmWave) massive MIMO systems using lens antenna arrays. Deep learning significantly outperforms traditional methods for accurate channel estimation, balancing performance and power consumption.

Keywords:
approximate message passingchannel estimationcompressed sensingdeep learningmassive MIMOmillimeter-wavemixed resolution ADC

More Related Videos

Transmission of Multiple Signals through an Optical Fiber Using Wavefront Shaping
09:43

Transmission of Multiple Signals through an Optical Fiber Using Wavefront Shaping

Published on: March 20, 2017

10.0K
Continuous-Wave Propagation Channel-Sounding Measurement System - Testing, Verification, and Measurements
09:36

Continuous-Wave Propagation Channel-Sounding Measurement System - Testing, Verification, and Measurements

Published on: June 25, 2021

3.2K

Related Experiment Videos

Last Updated: Sep 21, 2025

Author Spotlight: Advancing Large-Scale Neural Dynamics Through HD-MEA Technology
09:44

Author Spotlight: Advancing Large-Scale Neural Dynamics Through HD-MEA Technology

Published on: March 8, 2024

5.1K
Transmission of Multiple Signals through an Optical Fiber Using Wavefront Shaping
09:43

Transmission of Multiple Signals through an Optical Fiber Using Wavefront Shaping

Published on: March 20, 2017

10.0K
Continuous-Wave Propagation Channel-Sounding Measurement System - Testing, Verification, and Measurements
09:36

Continuous-Wave Propagation Channel-Sounding Measurement System - Testing, Verification, and Measurements

Published on: June 25, 2021

3.2K

Area of Science:

  • Wireless Communication
  • Signal Processing
  • Antenna Theory

Background:

  • Millimeter-wave (mmWave) massive MIMO systems face channel estimation challenges due to fewer RF chains than antennas.
  • Lens antenna arrays reduce RF chains but complicate channel estimation.
  • Mixed-resolution analog-to-digital converter (ADC) architectures offer a trade-off between power consumption and system performance.

Purpose of the Study:

  • Investigate efficient channel estimation for mmWave massive MIMO systems with lens antenna arrays.
  • Propose a mixed-resolution ADC architecture to optimize power and performance.
  • Evaluate the effectiveness of compressed sensing and deep learning algorithms for channel recovery.

Main Methods:

  • Utilized the sparsity of mmWave channels for beamspace channel estimation.
  • Formulated channel estimation as a sparse signal recovery problem.
  • Applied compressed sensing algorithms and compared them with a deep neural network (DNN) based approach.

Main Results:

  • The proposed mixed-resolution ADC architecture effectively balances power consumption and system performance.
  • Beamspace channel estimation leverages mmWave channel sparsity.
  • Deep learning-based channel estimation demonstrated superior performance compared to traditional algorithms.

Conclusions:

  • Deep learning offers a significant advantage for channel estimation in mmWave massive MIMO systems with lens antenna arrays.
  • The mixed-resolution ADC approach provides a practical solution for power-efficient mmWave systems.
  • Compressed sensing techniques, enhanced by DNNs, are crucial for accurate channel recovery.