Results 71 to 80 of about 3,934,279 (152)
IEEE Access, 2016 A four-element linear dielectric resonator antenna array for beamforming applications with mutual coupling compensation is proposed for long term evolution band 40 (2.3 GHz). The effect of mutual coupling on the array beamforming pattern has been studied
Jamal Nasir +5 more
doaj +1 more source
Resource Allocation for Cognitive Satellite Communications Downlink
IEEE Access, 2018 Cognitive satellite communications (SatCom) is considered to be able to alleviate the bottleneck of spectrum resource shortage due to traditional spectrum allocation.
Peiliang Zuo +3 more
doaj +1 more source
Reconfigurable Polarizer Based on Bulk Dirac Semimetal Metasurface
Crystals, 2020 In this paper, we propose a reflective polarizer in terahertz regime, which utilizes the Bulk-Dirac-Semimetal (BDS) metasurface can be dynamically tuned in broadband.
Yannan Jiang, Jing Zhao, Jiao Wang
doaj +1 more source
IEEE Access, 2018 In this paper, we investigate a phase cancellation problem that occurs in tag-to-tag communication systems. These are the systems wherein several tags communicate with each other by backscattering an external constant wave signal.
Isaac Sim +5 more
doaj +1 more source
Underwater Optical Wireless Communication
IEEE Access, 2016 Underwater wireless information transfer is of great interest to the military, industry, and the scientific community, as it plays an important role in tactical surveillance, pollution monitoring, oil control and maintenance, offshore explorations ...
H. Kaushal, Georges Kaddoum
semanticscholar +1 more source
Biorthogonal Fourier transform for multichirp-rate signal detection over dispersive wireless channel
EURASIP Journal on Wireless Communications and Networking, 2018 Biorthogonal Fourier transform (BFT), consistent with the matched signal transform (MST), has been introduced to demodulate the M-ray chirp-rate signal which possesses good orthogonality in the BFT domain.
Lin Zheng +3 more
doaj +1 more source
Bounds and Methods for Multiple Directional Sources Localization Based on RSS Measurements
IEEE Access, 2019 Source localization using RSS (received signal strength) measurements has received considerable attention recently. However, there are few works focusing on the problem of positioning multiple directional sources.
Tao Peng +5 more
doaj +1 more source
Applied Sciences, 2019 The upcoming fifth- and sixth-generation (5G and 6G, respectively) communication systems are expected to deal with enormous advances compared to the existing fourth-generation communication system.
M. Z. Chowdhury +3 more
semanticscholar +1 more source
IEEE Access, 2018 In this paper, real measurements were conducted to investigate the impact of rain on the propagation of millimeter waves at 26 GHz. The measurements were accomplished using a microwave fifth generation radio link system with 1.3 km path length ...
Ibraheem Shayea +3 more
doaj +1 more source
RF Spectrum Sensing Based on an Overdamped Nonlinear Oscillator Ring for Cognitive Radios
Sensors, 2016 Existing spectrum-sensing techniques for cognitive radios require an analog-to-digital converter (ADC) to work at high dynamic range and a high sampling rate, resulting in high cost.
Zhi-Ling Tang, Si-Min Li, Li-Juan Yu
doaj +1 more source