Başlık için Makale Koleksiyonu listeleme
Toplam kayıt 205, listelenen: 91-110
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Joint optimization of device to device resource and power allocation based on genetic algorithm
(IEEE-Inst Electrical Electronics Engineers Inc, 2018)Device-to-device (D2D) communication plays an important role in the next generation of communication systems. Enabling D2D communication decreases latency and expands the coverage of a cell in cellular networks. In addition, ... -
Joint phy/mac layer security design using arq with mrc and null-space independent papr-aware artificial noise in siso systems
(IEEE-Institute of Electrical and Electronics Engineers Inc, 2018)Automatic-repeat-request (ARQ) as a MAC layer mechanism and artificial noise (AN) as a physical layer mechanism along with the help of maximal ratio combining (MRC), are jointly designed to achieve secrecy. Basically, a ... -
Joint random subcarrier selection and channel-based artificial signal design aided PLS
(IEEE - Institute of Electrical and Electronics Engineers, Inc., 2020)A novel method for providing physical layer security (PLS) depending on the randomness of wireless channel is proposed. Specifically, a channel-based joint random subcarrier selection and artificial signal design are ... -
Joint subcarrier and antenna state selection for cognitive heterogeneous networks with reconfigurable antennas
(Institute of Electrical and Electronics Engineers, 2015)Reconfigurable antennas (RA) offer an emerging technology that allows wireless devices to alter their antenna states determined by different radiation patterns to maximize received signal strength. In this paper, we consider ... -
Joint time-frequency alignment for PAPR and OOBE suppression of OFDM-based waveforms
(IEEE-Inst Electrical Electronics Engineers Inc, 2017)Orthogonal frequency division multiplexing (OFDM) waveform has been adopted by many wireless standards due to its numerous advantages. However, OFDM symbols have two critical drawbacks: high out-of-band emission (OOBE) and ... -
Light field extraction from a conventional camera
(Elsevier B.V., 2022)This paper presents a single-shot light field (LF) acquisition method using a conventional camera. The proposed method does not require any modification in the camera design and instead involves an offline calibration ... -
Light field super resolution through controlled micro-shifts of light field sensor
(Elsevier Science Bv, 2018)Light field cameras enable new capabilities, such as post-capture refocusing and aperture control, through capturing directional and spatial distribution of light rays in space. Micro-lens array based light field camera ... -
A linear array for short range radio location and application systems
(Science and Information Organization, 2018)Patch array antennas have primarily been good candidates for higher performance results in communication systems. This paper comprises of linear 1 × 4 patch antenna array study constructed on 1.575mm thick Roggers 5880 ... -
Location aware vertical handover in a VLC/WLAN hybrid network
(IEEE-Institute of Electrical and Electronics Engineers Inc., 2021)Visible light communication (VLC) has emerged as a promising technology for wireless communication as it offers higher data rates and secure data transmission along with providing indoor illumination. However, VLC is ... -
Low complex inter-doppler interference mitigation for OTFS systems via global receiver windowing
(Institute of Electrical and Electronics Engineers Inc., 2023)Orthogonal time frequency space (OTFS) waveform has been considered as a potential candidate for affording a wide range of emerging communications and sensing applications in beyond 5G wireless technologies. OTFS takes ... -
Low ICI symbol boundary alignment for 5g numerology design
(Institute of Electrical and Electronics Engineers Inc., 2018)Symbol boundary alignment, with respect to waveform selection, has an important impact on the numerology design for fifth-generation mobile applications. The current symbol boundary alignment, along with orthogonal frequency ... -
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 ... -
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 ... -
Method of moments analysis of electromagnetic transmission through an arbitrarily shaped 3D cavity in a thick conducting plane
(Applied Computational Electromagnetics Society, 2015)The method of moments (MOM) with surface equivalence principle is used to numerically solve the problem of electromagnetic scattering from and transmission through an arbitrarily shaped 3D cavity in a thick conducting plane ... -
mmWave polarization diversity wideband multiple-input/multiple-output antenna system with symmetrical geometry for future compact devices
(MDPI, 2023)The fifth generation (5G) of mobile networks is a significant technological advancement in telecommunications that provides faster data speeds, lower latency, and greater network capacity. One of the key technologies that ... -
Modified U-shaped resonator as decoupling structure in MIMO antenna
(MDPI, 2020)This paper presents an isolation enhancement of two closely packed multiple-input multiple-output (MIMO) antenna system using a modified U-shaped resonator. The modified U-shaped resonator is placed between two closely ... -
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 ... -
Multidimensional index modulation for 5G and beyond wireless networks
(IEEE-Institute of Electrical and Electronics Engineers Inc, 2021)Index modulation (IM) provides a novel way for the transmission of additional data bits via the indices of the available transmit entities compared with classical communication schemes. This study examines the flexible ... -
Multiple elements MIMO antenna system with broadband operation for 5th generation smart phones
(IEEE-Institute of Electrical and Electronics Engineers Inc., 2022)In this work, a simple, low-cost, dual wideband sub6GHz Multiple Input Multiple Output (MIMO) antenna system for a smart phone is presented. The antenna system is fabricated using inexpensive and commercially easily available ... -
Mutual coupling compensation in receiving antenna arrays
(Applied Computational Electromagnetics Society (ACES), 2020)Mutual coupling compensation in uniform linear and circular receiving antenna arrays of thin wire dipoles is presented. It was observed that the mutual impedance is independent of the incident angle and depends solely on ...