Results 1 to 10 of about 3,954 (258)

3D Poisson-Based Neighborhood Capacity Analysis for Millimeter Wave Communications [PDF]

Sensors, 2022
This paper proposes a theoretical model for evaluating the capacity of a millimeter wave (mmWave) source destination link when the nodes are distributed according to a three-dimensional (3D) homogeneous Poisson point process.
Massimiliano Comisso, Giulia Buttazzoni, Stefano Pastore, Francesca Vatta, Fulvio Babich   +4 more
doaj   +2 more sources

Channel Estimation for RIS-Assisted MIMO Systems in Millimeter Wave Communications [PDF]

Sensors, 2023
The large number of estimated parameters in a reconfigurable intelligent surface (RIS) makes it difficult to achieve accurate channel estimation accuracy in 6G.
Ying Liu, Honggui Deng, Chengzuo Peng
doaj   +2 more sources

An Off-Grid Turbo Channel Estimation Algorithm for Millimeter Wave Communications [PDF]

Sensors, 2016
The bandwidth shortage has motivated the exploration of the millimeter wave (mmWave) frequency spectrum for future communication networks. To compensate for the severe propagation attenuation in the mmWave band, massive antenna arrays can be adopted at ...
Lingyi Han, Yuexing Peng, Peng Wang, Yonghui Li   +3 more
doaj   +2 more sources

Integrated millimeter-wave cavity electro-optic transduction [PDF]

Nature Communications
Emerging communications and computing technologies will rely ever-more on expanding the useful radio frequency spectrum into the millimeter-wave and terahertz frequency range.
Kevin K. S. Multani, Jason F. Herrmann, Emilio A. Nanni, Amir H. Safavi-Naeini   +3 more
doaj   +2 more sources

Millimeter Wave Mobile Communications for 5G Cellular: It Will Work!

IEEE Access, 2013
The global bandwidth shortage facing wireless carriers has motivated the exploration of the underutilized millimeter wave (mm-wave) frequency spectrum for future broadband cellular communication networks.
Theodore S. Rappaport, Shu Sun, Rimma Mayzus, Hang Zhao, Yaniv Azar, Kevin Wang, George N. Wong, Jocelyn K. Schulz, Mathew Samimi, Felix Gutierrez   +9 more
doaj   +3 more sources

Millimeter-Wave Communications [PDF]

Electronics, 2020
For the last few decades, the millimeter wave (mmWave) frequency band (30–300 GHz) has been seen as a serious candidate to host very high data rate communications [...]
openaire   +3 more sources

Near-Field Millimeter-Wave Imaging via Multi-Plane MIMO Arrays

IEEE Access, 2023
Multiple-input multiple-output (MIMO) array-based millimeter-wave (MMW) imaging has broad application prospects in concealed weapons detection due to its capability of high resolution at a reasonable cost.
Guangnan Xing, Shiyong Li, Ahmad Hoorfar, Qiang An, Guoqiang Zhao   +4 more
doaj   +1 more source

Clustering-Driven DGS-Based Micro-Doppler Feature Extraction for Automatic Dynamic Hand Gesture Recognition

Sensors, 2022
We propose in this work a dynamic group sparsity (DGS) based time-frequency feature extraction method for dynamic hand gesture recognition (HGR) using millimeter-wave radar sensors.
Chengjin Zhang, Zehao Wang, Qiang An, Shiyong Li, Ahmad Hoorfar, Chenxiao Kou   +5 more
doaj   +1 more source

Non-Destructive Imaging of Defects Using Non-Cooperative 5G Millimeter-Wave Signals

Sensors, 2023
Recent developments in fifth-generation (5G) wireless communications networks are creating an increasingly crowded electromagnetic environment at microwave (3–30 GHz) and millimeter-wave (30–300 GHz) frequencies.
Stavros Vakalis, Jorge R. Colon-Berrios, Daniel Chen, Jeffrey A. Nanzer   +3 more
doaj   +1 more source

Physiological Motion Sensing via Channel State Information in NextG Millimeter-Wave Communications Systems

IEEE Journal of Microwaves, 2023
Wireless communications systems provide channel state information (CSI), which can be used to characterize the physical propagation environment.
Khaldoon M. Ishmael, Yanjun Pan, Denny Landika, Yao Zheng, Victor M. Lubecke, Olga Boric-Lubecke   +5 more
doaj   +1 more source