Pencil Beam Planar Ka-Band Antenna Array Using Waveguide Displaced Radiators Sections for Millimeter Wave Applications by Hany S. Hussein, Mohamed Ismeil, M. S. Yasseen, Yuri E. Sedelnikov, Mohamed N. Shaaban

Get full text

Parents’ Experiences and Sexual Topics Discussed with Adolescents in the Accra Metropolis, Ghana: A Qualitative Study by Elizabeth AKu Baku, Isaac Agbemafle, Agnes Millicent Kotoh, Richard M. K. Adanu

“…Parents sourced their knowledge about sexuality from books, television, radio, and personal experiences. Parents always seize opportunities such as television scenes to discuss sexual topics with their children. …”
Get full text

Miguel Ángel Bertolami: pionero en ecología del paisaje en la Patagonia árida by Mariana Andrea Buzzi, Bárbara Lisa Rueter

“…Como profesor en la Universidad Nacional de la Patagonia San Juan Bosco, Bertolami dedicó gran parte de su tiempo a la formación de estudiantes y a la divulgación científica, participando en programas de radio y dirigiendo la revista Naturalia Patagónica. …”
Get full text

Low Profile Planar Inverted-L Antenna (PILA) for UHF RFID Tag on Signal Absorption and Reflection Surfaces by Minh-Tan Nguyen, Yi-Fang Lin, Chien-Hung Chen, Hoang-Son Luong, Hua-Ming Chen

“…In this study, we propose a novel design incorporating six Planar Inverted-L Antennas (PILAs) to miniaturize Ultra-High Frequency Radio Frequency Identification (UHF-RFID) tags, thereby enhancing tag efficiency when mounted on various conductive surfaces. …”
Get full text

Prevalence of behavioral risk factors among Ukrainians during war amid existing stress factors by Olena Kolesnikova, Olena Vysotska, Anastasiia Radchenko, Olga Zaprovalna, Nataliya Emelyanova

Get full text

On-chip power efficient MHz to GHz tunable Brillouin microwave photonic filters by Reena Parihar, Choon Kong Lai, Ziqian Zhang, Duk-Yong Choi, Stephen J. Madden, Benjamin J. Eggleton, Amol Choudhary, Moritz Merklein

“…To overcome the trade-off between bandwidth and power consumption, we introduce an on-chip broadband bandpass filter scheme leveraging the SBS response and the concept of radio frequency interference. We present the MHz to GHz reconfigurable microwave photonic filters on a chip. …”
Get full text

A dynamic co-expression approach reveals Gins2 as a potential upstream modulator of HNSCC metastasis by Nasibeh Khayer, Samira Shabani, Maryam Jalessi, Mohammad Taghi Joghataei, Frouzandeh Mahjoubi

“…Current therapeutic options remain limited to surgery supplemented by radio- or chemotherapy; however, these interventions often result in high-grade toxicities. …”
Get full text

Low-rate modem for transmission of small data in medium frequency range for Arctic by P. I. Puzyrev, S. A. Zavyalov, V. V. Erokhin, V. Yu. Shein

“…The use of a low-rate modem will expand the radio coverage area in the Arctic, where there are no cellular networks.…”
Get full text

Research and calculation of magnetic system of built-in axle-box generators of freight cars by O. A. Lysenko, L. D. Fedorova, S. G. Shantarenko

“…At the present time, a system for detecting the descent of a freight car has been developed and is being tested, which makes it possible to record the descent within a few seconds and transmit a signal to the train driver via a radio channel. The systems for monitoring the location of wagons and locomotives are no less important. …”
Get full text

Multibeam Antennas Based on 3-D Discrete Lenses With Magnified Field-of-View by Lisa Berretti, Renaud Loison, Esteban Menargues, Lucas Polo-Lopez, Giovanni Toso, Maria Garcia-Vigueras

Get full text

A Dual-Port Dual-Wideband Dual-Sense Circularly Polarized DRA With a Novel Feeding Mechanism by Li Zhang, Jian-Wei Liu, Bo Chen, Liang-Yong Yi, Dian Liu, Zi-Bin Weng, Yong-Chang Jiao

Get full text

Hibernation Habitat Selection by the Threatened Chinese Softshell Turtle (Pelodiscus sinensis) in the Yellow River Wetlands of Northwest China: Implications for Conservation Manage... by Qingjun Zhu, Meiling Hong, Qiutong Xie, Fei Kong, Liu Lin, Hai‐tao Shi

“…In 2020–2022, we equipped 22 P. sinensis with radio transmitters (VHF), and we successfully relocated 13 turtles, 11 of which were buried in submerged substrates and 2 buried in terrestrial soil for hibernation. …”
Get full text

Data-Oriented Analysis of Uplink Transmission in Massive IoT System With Limited Channel Information by Jyri Hamalainen, Rui Dinis, Mehmet C. Ilter

“…Also, it is shown that the channel side-information based cooperation is robust against changes in the radio environment but sensitive to possible errors in the channel side-information. …”
Get full text

Understanding Local Perspectives on Climate Change and Its Impacts on Small-Scale Fishing Communities in Honda Bay, Palawan, Philippines by Jesusito Vicente, Niño Jess Mar Mecha, Jean Beth Jontila

“…They said they got the information from TV/ Radio (99%) and social media (10%). The age (p-value < 0.0032) and source of information (p-value < 0.0348)  are among the variables with significant  relationship to the perception of respondents on climate change impacts. …”
Get full text

A 5.5–7.5‐GHz band‐configurable wake‐up receiver fully integrated in 45‐nm RF‐SOI CMOS by Rui Ma, Florian Protze, Frank Ellinger

“…Abstract This work investigates a 5.5–7.5‐GHz band‐configurable duty‐cycled wake‐up receiver (WuRX) fully implemented in a 45‐nm radio‐frequency (RF) silicon‐on‐insulator (SOI) complementary‐metal‐oxide‐semiconductor (CMOS) technology. …”
Get full text

Artificial intelligence for image recognition in diagnosing oral and oropharyngeal cancer and leukoplakia by Benedikt Schmidl, Tobias Hütten, Steffi Pigorsch, Fabian Stögbauer, Cosima C. Hoch, Timon Hussain, Barbara Wollenberg, Markus Wirth

Get full text

Preamble Arbitration Rule and Interference Suppression-Based Polling Medium Access Control for In-Vehicle Ultra-Wideband Networks by Makoto Okuhara, Nobuyuki Kurioka, Shigeki Mitoh, Patrick Finnerty, Chikara Ohta

“…First, it prioritizes the timing of signal reception over radio signal power, enhancing interference suppression by activating the receiver at the optimal moment before the desired frame arrives, thereby minimizing data loss. …”
Get full text

Os meandros da educação e da aprendizagem em meio à pandemia covid-19: os desafios e as lições by Hercules Guimarães Honorato

“…internet e conduzir orientações de aprendizado e aulas por meio do uso da televisão aberta, telefone e rádio; (iii) incluir, no Projeto Político Pedagógico e nos currículos, alternativas de ensino, aprendizagem e avaliação para um período escolar anormal; (iv) avaliar as Diretrizes Curriculares Nacionais e os currículos de formação dos professores com a inclusão de disciplinas obrigatórias ligadas a tecnologias educacionais; e (v) rever os marcos regulatórios da EAD para sua utilização na educação básica. …”
Get full text

Generation of (3, 1) Vector Signal Based on Probabilistic Shaping Technology without Precoding by Jiangnan Xiao, Xu Dong, Bo Liu, Xingxing Feng, Chuang Zhao, Jiangli Zuo

“…The PS (3, 1) photonic vector signal is generated by a radio frequency (RF) signal at 12 GHz driving a Mach–Zehnder modulator- (MZM-) based optical carrier suppression (OCS) doubling, and the PS (3, 1) photonic vector signal is not precoding. …”
Get full text

Relay-Aided Uplink NOMA Under Non-Orthogonal CCI and Imperfect SIC in 6G Networks by Volkan Ozduran, Nikolaos Nomikos, Ehsan Soleimani-Nasab, Imran Shafique Ansari, Panagiotis Trakadas

“…Sixth generation (6G) networks must guarantee radio-resource availability for coexisting users and machines. …”
Get full text