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Toplam kayıt 190, listelenen: 61-80
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Maximum SNR power-delay spectrum propagation models in blocked 60-GHz line-of-sight settings inside conference halls
(Praise Worthy Prize S.r.l, 2019)Models of the radio channel power delay profile are proposed for low-complexity 60 GHz communications systems that employ beam tracking capability in realistic indoor non-line-of-sight scenarios. A single-carrier transmission ... -
Efficient POPS-OFDM waveform design for future wireless communication systems
(Ieee-Inst Electrical Electronics Engineers Inc, 2019)Future wireless networks are required to offer new applications and services, which will experience high dispersions in time and frequency, incurred mainly by coarse synchronization. Coarse synchronization is induced by ... -
NOMA with Index modulation for uplink URLLC through grant-free access
(Institute of Electrical and Electronics Engineers Inc., 2019)This paper proposes non-orthogonal sharing of available resources between latency-critical and latency-tolerant communication for fulfilling tight requirements of ultra-reliable low-latency communication (URLLC) as well ... -
Innovative telecommunications training through flexible radio platforms
(Institute of Electrical and Electronics Engineers, 2019)The everchanging telecommunication industry is in severe need of a highly skilled workforce to shape and deploy future generation communication systems. This article presents innovative telecommunication training that is ... -
Extended reduced-rank joint estimation of direction of arrival with mutual coupling for coherent signals
(Wiley Blackwell, 2019)This paper proposes an extended method for direction-of-arrival (DOA) estimation with unknown mutual coupling for coherent signals. The proposed method employs the forward/backward spatial smoothing to decorrelate the ... -
DFT-based multi-directions directional modulation
(Institute of Electrical and Electronics Engineers, 2019)In this letter, a physically secure multi-directions directional modulation scheme is proposed. The scheme provides an adaptive beam-width assignment, where each user is granted a different beam width based on its channel ... -
Modulation options for OFDM-based waveforms: Classification, comparison, and future directions
(IEEE-Inst Electrİcal Electronics Engineers Inc, 2019)This paper provides a comparative study on the performance of different modulation options for orthogonal frequency division multiplexing (OFDM) in terms of their spectral efficiency, reliability, peak-to-average power ... -
Fading-aligned OFDM with index modulation for mMTC services
(Elsevier B.V., 2019)5th generation (5G) of wireless networking is coming with diverse use cases, such as enhanced-Mobile BroadBand (eMBB), Ultra Reliable and Low Latency Communications (URLLC), and massive Machine Type Communications (mMTC). ... -
Bio-inspired filter banks for frequency recognition of SSVEP-based brain-computer interfaces
(Institute of Electrical and Electronics Engineers, 2019)Brain-computer interfaces (BCIs) and their associated technologies have the potential to shape future forms of communication, control, and security. Specifically, the steady-state visual evoked potential (SSVEP) based BCIs ... -
Path loss exponent and shadowing factor prediction from satellite images using deep learning
(Institute of Electrical and Electronics Engineers, 2019)Optimal network planning for wireless communication systems requires the detailed knowledge of the channel parameters of the target coverage area. Channel parameters can be estimated through extensive measurements in the ... -
Space-variant blur kernel estimation and image deblurring through kernel clustering
(Elsevier B.V., 2019)This paper presents a space-variant blur kernel estimation and image deblurring framework. For space-variant blur kernel estimation, the input image is divided into small patches, and for each patch, the blur kernel is ... -
Emulation techniques for small scale fading aspects by using reverberation chamber
(Ieee-Inst Electrical Electronics Engineers Inc, 2019)Reverberation chambers (RVCs) are used to provide an efficient and reliable testbed for emulating the wireless channel effects in the laboratory environment. In the literature, various techniques have been studied to enrich ... -
A fully integrated 2.4dB NF capacitive cross coupling CG-LNA for LTE band
(Springer, 2019)This paper presents a common gate low noise amplifier utilizing a passive feedback network that provides a competitive and highly integrated front-end solution for mobile handset devices. This design utilizes a resistive ... -
Performance analysis of VLC based on 802.11ac frame structure
(IEEE-Inst electrical Electronics Engineering Inc, 2019)Visible light communication (VLC) has gained tremendous attention recently as it possesses prominent features to address the limitations imposed by current wireless technologies, such as high capacity, high spectral ... -
Characterization of atmospheric absorption in the 60 GHz frequency band using a multi-pole material model
(Applied Computational Electromagnetics Society, 2019)Atmospheric attenuation of electromagnetic signals at the 60 GHz frequency band is dominated by oxygen absorption which represents a major obstacle to 5G communications using this band. So far, only empirical equations ... -
Time-frequency warped waveforms
(IEEE-Inst Electrical Electronics Engineers Inc, 2019)The forthcoming communication systems are advancing toward improved flexibility in various aspects. Improved flexibility is crucial to cater diverse service requirements. This letter proposes a novel waveform design scheme ... -
Ray tracing-based maritime channel analysis for millimeter radiowaves
(Springer, 2019)In this work, we present and analyze the simulation results of millimeter-wave propagation channel performed over the sea surface for ship to ship scenario. We present a channel characterization study where channel parameters ... -
Inter-numerology interference for beyond 5G
(Institute of Electrical and Electronics Engineers Inc., 2019)Fifth generation (5G) radio access technology (RAT) is designed to flexibly serve multiple services with extremely diverse requirements. One of the steps taken toward fulfilling this vision of 5G-RAT is the introduction ... -
A low power receiver front-end design with tunable notch filter for tx leakage and blocker suppression
(IEEE-Inst Electrical Electronics Engineers Inc, 2019)An active transmitter self-leakage suppressor for frequency-division duplex transceivers is presented. A wideband active notch filter is implemented at the mixer IF ports to suppress out the transmitter leakage. Since the ... -
Classifications and applications of physical layer security techniques for confidentiality: A comprehensive survey
(IEEE-Inst Electrical Electronics Engineers Inc, 2019)Physical layer security (PLS) has emerged as a new concept and powerful alternative that can complement and may even replace encryption-based approaches, which entail many hurdles and practical problems for future wireless ...