Search research articles

ABOUT JoVE

Overview Leadership Blog JoVE Help Center

AUTHORS

Publishing Process Editorial Board Scope & Policies Peer Review FAQ Submit

LIBRARIANS

Testimonials Subscriptions Access Resources Library Advisory Board FAQ

RESEARCH

JoVE Journal Methods Collections JoVE Encyclopedia of Experiments Archive

EDUCATION

JoVE Core JoVE Business JoVE Science Education JoVE Lab Manual Faculty Resource Center Faculty Site

Terms & Conditions of Use

Related Concept Videos

Double Resonance Techniques: Overview

Double Resonance Techniques: Overview

Double resonance techniques in Nuclear Magnetic Resonance (NMR) spectroscopy involve the simultaneous application of two different frequencies or radiofrequency pulses to manipulate and observe two distinct nuclear spins. One important application of double resonance is spin decoupling, which selectively suppresses coupling with one type of nucleus while observing the NMR signal from another nucleus, simplifying the spectrum and enhancing resolution.
Spin decoupling is usually achieved by...

You might also read

Related Articles

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

Sort by

Same author

RHBDD2 Confers Insensitivity of Esophageal Squamous Cell Carcinoma to Cisplatin by Inhibiting Ferroptosis Through the Wnt3a/β-Catenin/FTH1 Axis.

Cell biochemistry and biophysics·2026

Same author

Selenium nanoparticle-modified probiotics attenuate deoxynivalenol-induced intestinal injury in chickens via glutathione-mediated metabolic pathway.

Poultry science·2026

Same author

Accurate quantification of canine mitochondrial DNA copy number from canine blood and brain samples.

Mitochondrion·2026

Same author

Integrative exosomal RNA analysis reveals the hsa-miR-186-5p-CADM1 axis in plasma cell-mediated inflammation of allergic rhinitis.

Scientific reports·2026

Same author

Lattice-Vibration-Induced High-Frequency Phonons Enhance Spin Dynamics in Ruddlesden-Popper Cs<sub>2</sub>GeI<sub>2</sub>Cl<sub>2</sub>/InSe Heterostructure.

The journal of physical chemistry letters·2026

Same author

TNG917 is a Potent and Selective Inhibitor of Histone Lysine Methyltransferases EHMT1/2 that Enhances Anti-Tumor Immunity and Immunotherapy Efficacy.

Cancer research·2026

Search research articles

Related Experiment Video

Updated: Jun 29, 2025

Measurement of Quantum Interference in a Silicon Ring Resonator Photon Source

Measurement of Quantum Interference in a Silicon Ring Resonator Photon Source

Published on: April 4, 2017

Intra-Beam Interference Mitigation for the Downlink Transmission of the RIS-Assisted Hybrid Millimeter Wave System.

Lou Zhao¹, Yuliang Zhang¹, Minjie Zhang¹

¹School of Communication Engineering, Hangzhou Dianzi University, Hangzhou 310018, China.

Entropy (Basel, Switzerland)

|March 28, 2024

Summary

This study proposes an analog beamforming strategy to reduce interference in millimeter-wave (mmWave) systems. The method enhances communication efficiency for reconfigurable intelligent surfaces (RIS)-assisted hybrid systems.

Keywords:

analog beamforming energy efficiency intra-beam interference low-resolution A/Ds millimeter wave reconfigurable intelligent surface

More Related Videos

Implementation of a Reference Interferometer for Nanodetection

Implementation of a Reference Interferometer for Nanodetection

Published on: April 26, 2014

Laser-induced Forward Transfer for Flip-chip Packaging of Single Dies

Laser-induced Forward Transfer for Flip-chip Packaging of Single Dies

Published on: March 20, 2015

Related Experiment Videos

Last Updated: Jun 29, 2025

Measurement of Quantum Interference in a Silicon Ring Resonator Photon Source

Measurement of Quantum Interference in a Silicon Ring Resonator Photon Source

Published on: April 4, 2017

Implementation of a Reference Interferometer for Nanodetection

Implementation of a Reference Interferometer for Nanodetection

Published on: April 26, 2014

Laser-induced Forward Transfer for Flip-chip Packaging of Single Dies

Laser-induced Forward Transfer for Flip-chip Packaging of Single Dies

Published on: March 20, 2015

Area of Science:

Wireless communication systems
Signal processing
Electromagnetics

Background:

Millimeter-wave (mmWave) communication systems utilize directional beamforming to overcome high path loss.
A key challenge in mmWave downlink is distinguishing users within the same beam and mitigating inter-user interference.
Existing digital precoding techniques face limitations in addressing this intra-beam interference.

Purpose of the Study:

To introduce an analog beamforming-based interference mitigation strategy for downlink transmissions.
To enhance performance in reconfigurable intelligent surface (RIS)-assisted hybrid analog-digital (HAD) mmWave systems.
To enable efficient operation with low-resolution analog-to-digital/digital-to-analog converters (A/Ds).

Main Methods:

Joint design of analog beamformers and coefficients for both the RIS and the base station (BS).
Derivation of closed-form approximation expressions for achievable rate performance.
Establishment of an upper bound for performance with a large number of RIS elements.
Evaluation of energy efficiency using low-resolution A/Ds and pulse-amplitude modulation (PAM) signals.

Main Results:

The proposed analog beamforming strategy effectively mitigates inter-user interference in mmWave HAD systems.
Closed-form expressions for achievable rate and performance bounds were derived.
The system demonstrates efficient operation with low-resolution converters, validated by energy efficiency evaluations.
Numerical simulations confirm the proposed algorithms' effectiveness against benchmark schemes.

Conclusions:

The developed analog beamforming strategy offers a viable solution for interference mitigation in mmWave downlink transmissions.
The approach is particularly beneficial for RIS-assisted HAD systems, improving spectral efficiency and enabling low-power hardware.
This work contributes to the advancement of efficient and robust mmWave communication systems.