Zobrazeno 1 - 10
of 19 348
pro vyhledávání: '"Directional antenna"'
Publikováno v:
Scientific Reports, Vol 14, Iss 1, Pp 1-14 (2024)
Abstract Millimeter wave (mmWave) technologies at 60 GHz and 100 GHz bands are currently gaining significant attention for its potential to meet the demanding needs of next-generation networks. These include ultra-high data rate, ultra-low latency, h
Externí odkaz:
https://doaj.org/article/54a9c701b7d74a3194e63d552c412f36
Autor:
Adham R. Azeez, Sadiq K. Ahmed, Zaid A. Abdul Hassain, Amer Abbood Al-behadili, Hind S. Ghazi, Yaqeen S. Mezaa, Ahmed A. Hashim, Aqeel Ali Al-Hilali, Kadhum Al-Majdi
Publikováno v:
Journal of Mechanics of Continua and Mathematical Sciences, Vol 19, Iss 3, Pp 40-50 (2024)
An ultra-wideband patch antenna (UWB) that makes use of tapered slot technology is designed and analyzed in this article. Coplanar waveguide feeds the projected antenna. The presented antenna displayed superior UWB performances with -10 dB return-los
Externí odkaz:
https://doaj.org/article/101dc4778b2a4aa8accaec1bffa4e952
Autor:
Austin Pfannenstiel, Haileigh Avellar, Clay Hallman, Brandon L. Plattner, Margaret A. Highland, Francois H. Cornelis, Warren L. Beard, Punit Prakash
Publikováno v:
International Journal of Hyperthermia, Vol 41, Iss 1 (2024)
AbstractBackground Despite the theoretical advantages of treating metastatic bone disease with microwave ablation (MWA), there are few reports characterizing microwave absorption and bioheat transfer in bone. This report describes a computational mod
Externí odkaz:
https://doaj.org/article/6dfb97fcea564010a1fc7e2bd7f5e542
Publikováno v:
Journal of Artificial Intelligence and Data Mining, Vol 11, Iss 3, Pp 331-341 (2023)
Wireless rechargeable sensor networks (WRSNs) are widely used in many fields. However, the limited battery capacity of sensor nodes (SNs) prevents its development. To extend the battery life of SNs, they can be charged by a mobile charger (MC) equipp
Externí odkaz:
https://doaj.org/article/f7ed826d78e0458397c43875b279c3df
Publikováno v:
IEEE Access, Vol 11, Pp 26163-26169 (2023)
The fare payment system for public transportation has developed from coins, paper tickets, magnetic strips, and pre-paid cards to new technologies such as Radio-Frequency Identification (RFID) and Near Field Communication (NFC). Most fare payment sys
Externí odkaz:
https://doaj.org/article/095e01e3111f47dc928fd02a853c46ca
Autor:
Siti Rahena Isa, Muzammil Jusoh, Thennarasan Sabapathy, Muhammad Ramlee Kamarudin, Mohamed Nasrun Osman, Akram Alomainy
Publikováno v:
IEEE Access, Vol 11, Pp 16346-16352 (2023)
A low-profile and broad steerable patch array antenna is presented. The improvement of the multi-directional functions from the broadside is very limited for the patch array antenna. In this work, the number of directional beams is enhanced by 40% us
Externí odkaz:
https://doaj.org/article/ad309430b78a4d499277f3673e9d3e0c
Autor:
Austin Pfannenstiel, Jason Iannuccilli, Francois H. Cornelis, Damian E. Dupuy, Warren L. Beard, Punit Prakash
Publikováno v:
International Journal of Hyperthermia, Vol 39, Iss 1, Pp 664-674 (2022)
Microwave ablation (MWA) is becoming an increasingly important minimally invasive treatment option for localized tumors in many organ systems due to recent advancements in microwave technology that have conferred many advantages over other tumor abla
Externí odkaz:
https://doaj.org/article/0720907ff3424bd796e3b97946cb4dfb
Publikováno v:
Sensors, Vol 24, Iss 4, p 1315 (2024)
Microwave medical imaging (MMI) is experiencing a surge in research interest, with antenna performance emerging as a key area for improvement. This work addresses this need by enhancing the directivity of a compact UWB antenna using a Yagi-Uda-inspir
Externí odkaz:
https://doaj.org/article/39ffe637245d44968acc27d549fd847c
Publikováno v:
Drones, Vol 7, Iss 12, p 691 (2023)
Achieving neighbor discovery for a directional flying ad hoc network (FANET) with multiple channels poses challenges for media access control (MAC) protocol design, as it requires simultaneous main lobe and channel rendezvous while dealing with the h
Externí odkaz:
https://doaj.org/article/768e24cc73ff400982ccec6421842db6
Publikováno v:
Future Internet, Vol 15, Iss 9, p 301 (2023)
With the rapid development of the Internet of Things, the number of wireless devices is increasing rapidly. Because of the limited battery capacity, these devices may suffer from the issue of power depletion. Radio frequency (RF) energy harvesting te
Externí odkaz:
https://doaj.org/article/6b02e95c770c4a42817b6fe82971858d