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Toplam kayıt 190, listelenen: 92-111
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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 ... -
Mutual coupling compensation in receiving arrays and its implementation on software defined radios
(Applied Computational Electromagnetics Society, 2020)Mutual coupling is compensated in a four element uniform linear receiving array using software defined radios. Direction of arrival (DoA) is estimated in real-time for the array with spacing d=lambda/4. The decoupling ... -
Mutual coupling compensation in transmitting arrays of thin wire antennas
(Applied Computational Electromagnetics Society (ACES), 2018)This paper presents a numerical technique for the compensation of mutual coupling in transmitting arrays of thin wire antennas. The Method of Moments is used to compute the scattering parameters of the array. Using these ... -
Mutual coupling reduction of MIMO antenna for satellite services and radio altimeter applications
(Science and Information Organization, 2018)Ground irregularities also known as defected ground structures (DGS) is a freshly presented innovatory way in designing of patch antennas to boost up the performance of antenna constraints. This study presents a novel ... -
NACRP: A connectivity protocol for star topology wireless sensor networks
(Ieee-Inst Electrical Electronics Engineers Inc, 2016)Wireless sensor networks (WSNs) are an ever growing field of applications and one constituent of the future Internet-of-Things (IoT). In this work, we investigate star topology sensor networks compliant with the recent ... -
Nature inspired MIMO antenna system for future mmWave technologies
(MDPI, 2020)In this work, a new Multiple Input Multiple Output (MIMO) antenna system with a novel shape inspired by nature is proposed for Fifth-Generation (5G) communication systems. The antenna is designed on a Rogers 5880. The ... -
New physical layer key generation dimensions: Subcarrier indices/positions-based key generation
(Institute of Electrical and Electronics Engineers Inc., 2021)In this letter, novel algorithms for secret key generation from the wireless channel in multi-carrier systems are proposed for ensuring the confidentiality and authentication in wireless communication systems. The novelty ... -
NOMA for multinumerology OFDM systems
(Wiley Hindawi, 2018)Nonorthogonal multiple access (NOMA) is a promising technique which outperforms the traditional multiple access schemes in many aspects. It uses superposition coding (SC) to share the available resources among the users ...
