Results 21 to 30 of about 2,779,889 (365)
Channel Estimation and Hybrid Precoding for Millimeter Wave Cellular Systems [PDF]
IEEE Journal on Selected Topics in Signal Processing, 2014 Millimeter wave (mmWave) cellular systems will enable gigabit-per-second data rates thanks to the large bandwidth available at mmWave frequencies. To realize sufficient link margin, mmWave systems will employ directional beamforming with large antenna ...
A. Alkhateeb +3 more
semanticscholar +1 more source
From Microwave Acoustic Filters to Millimeter-Wave Operation and New Applications
IEEE Journal of Microwaves, 2023 This paper reviews the latest developments in microwave acoustic wave devices. After an introduction and brief history of bulk acoustic wave (BAW) and surface acoustic wave (SAW) devices, a review is given for guided SAWs and XBARs - two new technologies,
A. Hagelauer +13 more
semanticscholar +1 more source
An Overview of Signal Processing Techniques for Millimeter Wave MIMO Systems [PDF]
IEEE Journal on Selected Topics in Signal Processing, 2015 Communication at millimeter wave (mmWave) frequencies is defining a new era of wireless communication. The mmWave band offers higher bandwidth communication channels versus those presently used in commercial wireless systems.
R. Heath +4 more
semanticscholar +1 more source
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
Alternating Minimization Algorithms for Hybrid Precoding in Millimeter Wave MIMO Systems [PDF]
IEEE Journal on Selected Topics in Signal Processing, 2016 Millimeter wave (mmWave) communications has been regarded as a key enabling technology for 5G networks, as it offers orders of magnitude greater spectrum than current cellular bands.
Xianghao Yu +3 more
semanticscholar +1 more source
IEEE Access, 2023 Millimeter wave imaging systems are being rapidly applied to indoor security, industrial nondestructive evaluation and automotive radar systems. Millimeter wave real-time imaging is the ultimate goal of many applications.
Didi Xu +3 more
doaj +1 more source
Millimeter Wave Channel Modeling and Cellular Capacity Evaluation [PDF]
IEEE Journal on Selected Areas in Communications, 2013 With the severe spectrum shortage in conventional cellular bands, millimeter wave (mmW) frequencies between 30 and 300 GHz have been attracting growing attention as a possible candidate for next-generation micro- and picocellular wireless networks.
M. Akdeniz +5 more
semanticscholar +1 more source
Contactless Electrocardiogram Monitoring With Millimeter Wave Radar [PDF]
IEEE Transactions on Mobile Computing, 2021 The electrocardiogram (ECG) has always been an important biomedical test to diagnose cardiovascular diseases. Current approaches for ECG monitoring are based on body attached electrodes leading to uncomfortable user experience. Therefore, contactless ECG
Jinbo Chen +5 more
semanticscholar +1 more source
Design of a 2-Bit wide-angle coding metasurface for bistatic RCS reduction
Frontiers in Materials, 2022 A 2-bit wide-angle coding metasurface is proposed to decrease the bistatic radar cross section (RCS) in this study. Each meta-atom of the designed coding metasurface is composed of a wide-beamwidth microstrip antenna whose feeding port is loaded with an ...
Yi Fei Huang +3 more
doaj +1 more source
Smart sensing metasurface with self-defined functions in dual polarizations
Nanophotonics, 2020 For the intelligence of metamaterials, the -sensing mechanism and programmable reaction units are two important components for self-recognition and -determination. However, their realization still face great challenges.
Ma Qian +7 more
doaj +1 more source