Search Results - "Stefanov, Stanislav"

A Study on Exposure to Electromagnetic Fields From User Equipment Antennas Above 100 GHz by Yao, Ming, Zhekov, Stanislav Stefanov, Xu, Bo, Li, Kun, Zhang, Shuai

“…The next-generation mobile communication technology may exploit the higher frequency spectrum beyond 100 GHz, while most studies on electromagnetic field…”
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Operating Band Shifting of Resistor-Loaded Antenna-Based Absorber by Using Parasitic Element Concept by Zhekov, Stanislav Stefanov, Mei, Peng, Pedersen, Gert Frolund, Fan, Wei

“…The size of an electromagnetic (EM) absorber is a critical design parameter since it determines the operating frequency band. The realization of lower starting…”
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Hybrid Absorber With Dual-Band Performance and High Absorption Rate by Zhekov, Stanislav Stefanov, Mei, Peng, Pedersen, Gert Frolund, Fan, Wei

“…Low-profile absorbers are of interest for compact shielded enclosures for making antenna measurements. Furthermore, the cost should be minimized for practical…”
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A Study on EMF Exposure Assessments With Different Metrics for User Equipment Antennas at 6 and 10 GHz by Zhekov, Stanislav Stefanov, Yao, Ming, Paola, Carla Di, Xu, Bo, Zhang, Shuai

“…User equipment (UE) needs to comply with regulations limiting the exposure of the human body to electromagnetic fields (EMFs). In this article, three exposure…”
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Numerical Modeling of Indoor Propagation Using FDTD Method With Spatial Averaging by Zhekov, Stanislav Stefanov, Franek, Ondrej, Pedersen, Gert Frolund

“…The error in the local mean magnitude of the electric field (E-field), due to the numerical anisotropy, obtained by the finite-difference time-domain (FDTD)…”
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Measurement of Attenuation by Building Structures in Cellular Network Bands by Zhekov, Stanislav Stefanov, Nazneen, Zeeshan, Franek, Ondrej, Pedersen, Gert Frolund

“…The power transmitted through obstacles is lower than the incident one due to reflection and absorption by them and this attenuation of electromagnetic waves…”
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MaterialsAtlas.org: a materials informatics web app platform for materials discovery and survey of state-of-the-art by Hu, Jianjun, Stefanov, Stanislav, Song, Yuqi, Omee, Sadman Sadeed, Louis, Steph-Yves, Siriwardane, Edirisuriya M. D., Zhao, Yong, Wei, Lai

“…The availability and easy access of large-scale experimental and computational materials data have enabled the emergence of accelerated development of…”
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Over-the-Air Evaluation of the Antenna Performance of Popular Mobile Phones by Zhekov, Stanislav Stefanov, Pedersen, Gert Frolund

“…Mobile terminals have become an integral part of people's everyday life. The ability of the handset to transmit and to receive power determines how good…”
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Test Reduction for Power Density Emitted by Handset mmWave Antenna Arrays by Zhekov, Stanislav Stefanov, Zhao, Kun, Franek, Ondrej, Zhang, Shuai

“…The exposure to electromagnetic field (EMF) from phased antenna arrays integrated into wireless devices operating at the millimeter-wave (mmWave) part of the…”
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Dielectric Properties of Human Hand Tissue for Handheld Devices Testing by Zhekov, Stanislav Stefanov, Franek, Ondrej, Pedersen, Gert Frolund

“…The operation of antennas deployed in mobile terminals is affected by the presence of human tissue in their near-field region. Therefore, testing the antenna…”
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Stability study of extemporaneously compounded nitrofurantoin oral suspensions for pediatric patients by Pehlivanov, Ivaylo, Stoeva, Stanila, Simitchiev, Apostol, Stefanov, Stanislav, Andonova, Velichka

“…Aim : To evaluate the stability of nitrofurantoin suspended in different extemporaneously compounded vehicles after storage at 4°C and at 25°C. To formulate an…”
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New records of Hierodula transcaucasica Brunner von Wattenwyl, 1878 (Mantodea) from Bulgaria by Zlatkov, Boyan, Stefanov, Stanislav, Gashtarov, Victor, Vergilov, Vladislav

“…New localities of Hierodula transcaucasica Brunner von Wattenwyl, 1878 from Bulgaria and illustrations of the species are provided…”
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Over-the-Air Evaluation of User Body Loss for Popular In-Ear Bluetooth Earbuds by Zhekov, Stanislav Stefanov, Mikkelsen, Jan Hvolgaard, Pedersen, Gert Frølund

“…Wireless earbuds have become the preferred electronic device for listening to music and for hands-free talking. The combined radio performance of the earbud…”
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Crystal Composition Transformer: Self-Learning Neural Language Model for Generative and Tinkering Design of Materials by Wei, Lai, Li, Qinyang, Song, Yuqi, Stefanov, Stanislav, Dong, Rongzhi, Fu, Nihang, Siriwardane, Edirisuriya M D, Chen, Fanglin, Hu, Jianjun

“…Self-supervised neural language models have recently achieved unprecedented success from natural language processing to learning the languages of biological…”
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Evaluation of EMF Exposure From Distributed MIMO Antennas for 6G in an Industrial Indoor Environment by Zhekov, Stanislav Stefanov, Xu, Bo

“…Distributed multi-input multioutput (D-MIMO) is one of the promising technology components for the 6G mobile communication systems. In this article,…”
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Long-term Network-based Assessment of the Actual Output Power of Base Stations in a 5G Network by Joshi, Paramananda, Colombi, Davide, Xu, Bo, Di Paola, Carla, Bischoff, Jens Eilers, Zhekov, Stanislav Stefanov, Tornevik, Christer

“…In this study, data were collected for 22 massive multi-input multi-output (MIMO) base stations in busy 5G sites over 15 months using a network monitoring…”
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Network-based Assessment of Actual EIRP of 5G Base Stations in a Stadium with 100,000 People and Implications on EMF Compliance by Paola, Carla Di, Joshi, Paramananda, Colombi, Davide, Xu, Bo, Bischoff, Jens Eilers, Zhekov, Stanislav Stefanov, Tornevik, Christer

“…In this study, the actual time-averaged equivalent isotropic radiated power (EIRP) levels of nine 5G massive multiple-input multiple-output base stations (BSs)…”
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Antenna for Ultrawideband Channel Sounding by Zhekov, Stanislav Stefanov, Tatomirescu, Alexandru, Pedersen, Gert Frolund

“…A novel compact antenna for ultrawideband channel sounding is presented. The antenna is composed of a symmetrical biconical antenna modified by adding a…”
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Stability Study of Extemporaneously Compounded Nitrofurantoin Oral Suspensions for Pediatric Patients by Pehlivanov, Ivaylo, Stoeva, Stanila, Simitchiev, Apostol, Stefanov, Stanislav, Andonova, Velichka

“…Цель: Оценить стабильность нитрофурантоина, суспендированного в различных экстемпоральных суспензиях после хранения при 4°C и 25°C. Разработать эффективную,…”
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Stability study of extemporaneously compounded nitrofurantoin oral suspensions for pediatric patients by Pehlivanov, Ivaylo, Stoeva, Stanila, Simitchiev, Apostol, Stefanov, Stanislav, Andonova, Velichka

“…To evaluate the stability of nitrofurantoin suspended in different extemporaneously compounded vehicles after storage at 4°C and at 25°C. To formulate an…”
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