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Now showing items 51-60 of 62
Omni-directional wideband antenna array with solar cells
(SciELO - Scientific Electronic Library Online, 2021-03)
Distributed sensor networks are becoming more and more widespread due to their substantial benefits to our daily lives. These sensors, in most cases, are distributed in nature and even may require mobility. This, in turn, ...
High gain, low radar cross-section, and left hand circularly polarized antenna array based on metamaterial inspired elements
(Wiley, 2021-05)
In this research work, a wideband metamaterial-inspired circularly polarized antenna array is designed. The designed antenna array has a low radar cross-section (RCS) but high gain. The basic element of the planar array ...
Demand-driven electricity supply options of electric vehicles: modelling, simulation, and management strategy of public charging stations
(Springer, 2021-10-13)
In this chapter, we discuss the challenges and research opportunities in the demand-driven electricity supply options of electric vehicles (EVs) at public charging stations (CSs). EVs have gained increased attention in ...
HC-FFT: Highly configurable and efficient FFT implementation on FPGA
(TÜBİTAK, 2021)
FFT is one of the basic building blocks in many applications such as sensors, radars, communications. For some applications, e.g., real-time spectral monitoring and analysis, FFT needs to be”run-time configurable” so that ...
Design of 4 bit and 8 bit pseudo noise sequence generators with all zero condition protection circuit
(IEEE, 2021)
Pseudo Noise (PN) Sequences have been utilized for modern communication and measurement systems. They can be locally generated in both transmitters and receivers. PN sequence can be generated with Linear Feedback Shift ...
FPGA-based minimal Latency HEFT scheduler for heterogeneous computing
(IEEE, 2021)
This paper proposes a new hardware scheduler. As heterogeneous computing becomes prevalent, mapping applications on to multiple processing elements (PEs) proves to be nontrivial. Heterogeneous Earliest Finish Time (HEFT) ...
Effect of phase and spatial distinguishability of photon pairs on the entanglement fidelity
(SPIE, 2021)
Polarization entanglement based cryptography uses the photon pairs generated in a spontaneous parametric down-conversion process and guarantees the security through the violation of Bell's inequality. Certain experimental ...
A wideband smart EMF detector for mobile devices
(Istanbul University, 2021-01)
A wideband electromagnetic field (EMF) sensor system is introduced in this study. This small form factor, low-cost system is intended for use with smart mobile devices and can precisely measure the imminent field strength ...
Distributed MIMO for Li-Fi: Channel measurements, ray tracing and throughput analysis
(IEEE, 2021-08-15)
LiFi has been considered as a promising candidate for future wireless indoor networks. The IEEE P802.15.13 and P802.11bb standardization groups agreed upon channel models generated using the non-sequential ray tracing ...
Efficient resource allocation scheme in multi-user liFi networks based on angle oriented transceiver
(IEEE, 2021)
In this paper, an efficient resource allocation scheme in multi-user LiFi networks is proposed using the angle oriented (AO) technology at the receiver and transmitter sides. To cope with the inter-symbol and inter-user ...
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