Relevant bibliographies by topics / 2.4 GHz band

Contents

  1. Journal articles
  2. Dissertations / Theses
  3. Books
  4. Book chapters
  5. Conference papers
  6. Reports

Academic literature on the topic '2.4 GHz band'

Author: Grafiati
Published: 4 June 2025
Last updated: 1 August 2025

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Journal articles on the topic "2.4 GHz band"

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Okan, Tayfun. "High Isolation Wideband Multiple-Input Multiple-Output Antennas for Millimeter Wave Applications." Celal Bayar Üniversitesi Fen Bilimleri Dergisi 16, no. 4 (2020): 355–60. https://doi.org/10.18466/cbayarfbe.736444.

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A planar 2×2 and 4×4 multiple-input multiple-output (MIMO) antennas are designed and analyzed in this study. The individual antenna elements that form the MIMO structure are located perpendicular to each other in order to facilitate polarization diversity. Except a notch band at 4.3 GHz, the 2×2 antenna nearly covers the entire 2.41-31.4 GHz frequency band. It is similar for the 4×4 antenna that has tri-band characteristic, where the impedance bandwidth (|S_11 |≤-10 dB) values are determined as 1.4, 10.05 and 16.26 GHz. Beside these high bandwidth results, both MIMO antennas have perfect isola
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Zuqri, Fithqoti Afiroh, Bambang Setia Nugroho, and Budi Syihabuddin. "Modifikasi Pembagi Daya Wilkinson Dual Band pada Frekuensi L-Band dan S-Band." JURNAL INFOTEL - Informatika Telekomunikasi Elektronika 8, no. 1 (2016): 78. http://dx.doi.org/10.20895/infotel.v8i1.55.

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Pembagi daya Wilkinson merupakan pembagi daya yang menggunakan saluran dengan panjang ?/4 dan menyisipkan komponen isolasi antar kedua port keluaran. Dengan menggunakan panjang saluran ?/4, bandwidth yang dihasilkan relatif sempit karena berhubungan dengan panjang saluran yang tetap. Penelitian ini melakukan modifikasi dari penelitian sebelumnya yang dapat menghasilkan pembagi daya Wilkinson yang bersifat dual band menjadi wide band dengan area kerja dari rentang L-Band hingga S-Band. Dari simulasi didapatkan bandwidth dari nilai returnloss dibawah -10 dB sebesar 3.6355 GHz, dan nilai isolasi
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Newton, M. E., and James S. Hyde. "ENDOR at S-band (2–4 GHz) microwave frequencies." Journal of Magnetic Resonance (1969) 95, no. 1 (1991): 80–87. http://dx.doi.org/10.1016/0022-2364(91)90326-o.

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Zaman, M. R., M. T. Islam, N. Misran, and J. S. Mandeep. "Analysis of Resonance Response Performance of C-Band Antenna Using Parasitic Element." Scientific World Journal 2014 (2014): 1–10. http://dx.doi.org/10.1155/2014/131374.

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Analysis of the resonance response improvement of a planar C-band (4–8 GHz) antenna is proposed using parasitic element method. This parasitic element based method is validated for change in the active and parasitic antenna elements. A novel dual-band antenna for C-band application covering 5.7 GHz and 7.6 GHz is designed and fabricated. The antenna is composed of circular parasitic element with unequal microstrip lines at both sides and a rectangular partial ground plane. A fractional bandwidth of 13.5% has been achieved from 5.5 GHz to 6.3 GHz (WLAN band) for the lower band. The upper band c
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Fadhel, Abderraouf, Souad Berhab, Rahma Aloulou, Hassene Mnif, and Abdennour Belhedri. "Compact modified rectangular split ring resonator for tri-band satellite applications." AIMS Electronics and Electrical Engineering 8, no. 4 (2024): 456–77. http://dx.doi.org/10.3934/electreng.2024022.

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<p>This paper contributes to the design of a modified rectangular-shaped metamaterial with a tri-band coverage for reflection and transmission coefficients. Two symmetrical rectangular split ring resonators (SRR) were carefully engineered and then connected by their edges along the axis (Ox) with a substantial C-shaped structure, experiencing the peak surface current value near the magnetic resonances, causing the proposed unit cell to resonate at 5.73 GHz, 8.67 GHz, and 13.78 GHz, where it exhibited negative effective permittivity (ENG), permittivity and permeability (DNG), and permeabi
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Akkole, Suresh, and N. Vasudevan. "Design and Optimization of E Shape Multi Band Microstrip Patch Antenna Using Fractal Geometry for Wireless Communication." Journal of Computational and Theoretical Nanoscience 17, no. 5 (2020): 2409–14. http://dx.doi.org/10.1166/jctn.2020.8905.

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In this paper an E shaped multiband fractal microstrip antenna proposed. The proposed E structure uses self similar fractal concept. The geometry is extended up to two iteration which resonates at seven multiband frequencies. The proposed antenna operates in 1–2 GHz (L-band), 2–4 GHz (S-band) and 4–8 GHz (C-band) frequencies and finds uses for military and secure long distance communication and C band frequency uses like satellite communication, Wi-Fi, and Radio Detection and Ranging. All designed antennas are optimized by IE3D antenna simulation tool with FR-4 material having 4.4 dielectric c
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Vahora, A., and K. Pandya. "A Low-profile 4-element Circularly Polarized Hexagonal DRA Array for Triple-band Wireless Applications." Advanced Electromagnetics 11, no. 4 (2022): 90–97. http://dx.doi.org/10.7716/aem.v11i4.2004.

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This paper presents a triple-band low-profile circularly polarized (CP) hexagonal dielectric resonator antenna (HDRA) array for various wireless applications. A 4-element linear array is designed using a simple microstrip power divider to improve the performance of the HDRA. This HDRA excites TEd01 mode at a first resonant frequency of 1.52 GHz. The proposed design operates in three frequency bands, i.e. 1.44 - 1.61 GHz, 2.95 - 3.27 GHz, and 4.00 - 4.84 GHz with the fractional bandwidth of 10.98%,11.02% and 22.20%, respectively. It also provides good gain and more than 70% of radiation efficie
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Latika Herda, Deri, Siska Aulia, and Frenzi Agres Yudithia. "Perancangan Antena Vivaldi Antipodal 2 - 18 GHz untuk Radio Direction Finder." Spektral 4, no. 1 (2023): 166–72. http://dx.doi.org/10.32722/spektral.v4i1.5654.

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The 2-18 GHz frequency band is a spectrum that is widely used for telecommunication systems, both military and civil. This is proportional to the number of illegal uses. This research develops an antipodal vivaldi antenna to support direction finding activities of illegal transmitters in the 2-18 GHz frequency band. Antenna design is a simulation using CST software by modifying the ground, widening the antenna arm, and increasing the length of the transmission line. The antenna design measures 94.14 x 73.2 mm on FR-4 substrate with a dielectric constant of 4.6 and a thickness of 1.6 mm. The si
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I., Zahraoui, Errkik A., C. Abounaima M., Tajmouati A., E. Abdellaoui L., and Latrach M. "A New Planar Multiband Antenna for GPS, ISM and WiMAX Applications." International Journal of Electrical and Computer Engineering (IJECE) 7, no. 4 (2017): 2018–26. https://doi.org/10.11591/ijece.v7i4.pp2018-2026.

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n this paper a design of a new antenna with modified ground plane is validated for multiband applications. The proposed modified ground structure is incorporated with a patch antenna to boost the performance. The antenna’s entire area is 59.5x47mm 2 and is printed on an FR-4 substrate and fed by a 50 Ohm microstrip line. This structure is validated in the GPS (1.56-1.58 GHz) band at 1.57 GHz, in the ISM (2.43-2.49 GHz) band at 2.45GHz and in the WiMAX (3.50-3.56 GHz) band at 3.53 GHz. These three frequency bands have good matching input impedance for, S11≤-10 dB. The antenna presents
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Samudrala, Varakumari, and Vinay Kumar Pamula. "Design of Two Element Triple Band MIMO DRA with Enhanced Isolation for LTE Applications." Revista Gestão Inovação e Tecnologias 11, no. 4 (2021): 2368–80. http://dx.doi.org/10.47059/revistageintec.v11i4.2284.

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A new two element hybrid MIMO DRA is presented for LTE operation. The presented MIMO having two elements excited with CPW feeding. This is operating under hybrid TM mode. MIMO is intended on partial ground with thickness of 0.035 mm, substrate (FR-4) with dielectric constant (εr) of 4.6, thickness 1.6 mm and loss tangent 0.019. The DRA is placed on the two elements individually. The dimensions of the presented MIMO are 90 X 107.8 X 13 mm3. The antenna gives a multiband to covers 0.8 GHz, 1.5 GHz, and 1.7 GHz for |S11| ≤ -10 dB. The proposed MIMO can cover LTE Band 5 and Band 6 at 0.84 GHz with
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Dissertations / Theses on the topic "2.4 GHz band"

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Šimka, Marek. "Lokalizace uvnitř budov pomocí technologie LoRa." Master's thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2021. http://www.nusl.cz/ntk/nusl-442421.

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This diploma thesis focuses on possible utilization of LoRa (Long Range) technology for indoor localization purposes. In this thesis, the starter kit SK-iM282A is used to create a LoRa-based wireless link in the 2.4 GHz ISM band. Main attention is focused on the experimental localization using the RSSI method in the various transmission environments, including a description of the localization principle, the procedure of processing the measured data and the evaluation of localized coordinates. The rightness of the proposed measurement setup and methodology is verified by extensive measurements
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Kaučiarik, Filip. "Koexistence systémů LoRa a Wi-Fi v RF pásmu 2.4 GHz." Master's thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2020. http://www.nusl.cz/ntk/nusl-413107.

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Diplomová práca sa zaoberá štúdiom koexistencie, ktorá môže nastať medzi bezdrôtovými komunikačnými systémami LoRa a Wi-Fi v bezlicenčnom ISM pásme 2,4 GHz. V teoretickej časti práce sú stručne popísané fyzické vrstvy obidvoch systémov. Následne sú definované spoločné frekvenčné pásma a koexistenčné scenáre, ktoré môžu vzniknúť medzi uvažovanými systémami v spoločnom rádiofrekvenčnom (RF) pásme. V experimentálnej časti práce je prezentované laboratórne meracie pracovisko, ktoré bolo navrhnuté na meranie rôznych koexistenčných scenárov medzi technológiou LoRa a Wi-Fi. Funkčnosť navrhnutej konce
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Yu, Sang. "Design of a multi-band RF front-end between 2-12 GHz." Thesis, Linköpings universitet, Institutionen för teknik och naturvetenskap, 2006. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-97087.

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The state-of-the-art standard for short range wireless data transmission is the Ultra Wide Band radio (UWB) standard. UWB provides the maximum data rate of 480 Mbit/s. However, for some data transmission applications this is far from sufficient. Since there already are a lot of research and development activities in wireless technology, the demands on even higher data rates is considered as necessary. The research group of Communication Electronics at ITN has a new concept to design a radio frequency front-end for wireless and high-speed data transmission using a multi-band technique. With hel
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Parsa, Ali. "A new transceiver architecture for the 60-GHz band." Diss., Restricted to subscribing institutions, 2008. http://proquest.umi.com/pqdweb?did=1679376371&sid=1&Fmt=2&clientId=1564&RQT=309&VName=PQD.

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Malm, Ulf. "Sveriges medeltida ballader. Utgivna av Svenskt visarkiv. Band 4:1, 4:2. Sthlm 1996." Uppsala universitet, Litteraturvetenskapliga institutionen, 1997. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-201074.

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Johnson-Eusebio, Alejandro. "60 GHz 4-Bit Phase Shifter Design with VO2 Switches." The Ohio State University, 2018. http://rave.ohiolink.edu/etdc/view?acc_num=osu1524207662285961.

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Wali, Naveen, and Balamurali Radhakrishnan. "Design of a Time-to-Digital Converter for an All-Digital Phase Locked Loop for the 2-GHz Band." Thesis, Linköpings universitet, Elektroniksystem, 2013. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-106744.

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An all-digital phase locked loop for WiGig systems was implemented. The developedall-digital phase locked loop has a targeted frequency range of 2.1-GHz to2.5-GHz. The all-digital phase locked loop replaces the traditional charge pumpbased analog phase locked loop. The digital nature of the all-digital phase lockedloop system makes it superior to the analog counterpart.There are four main partswhich constitutes the all-digital phase locked loop. The time-to-digital converteris one of the important block in all-digital phase locked loop. Several time-to-digital converter architectures were stud
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Kneisel, P. [Verfasser]. "Zur Abhaengigkeit des Oberflaechenwiderstandes anodisierter Niob-Resonatoren von der Hochfrequenz-Feldstaerke zwischen 2 und 4 GHz / P. Kneisel." Karlsruhe : KIT-Bibliothek, 2010. http://d-nb.info/1187253448/34.

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Diver, Andrew James. "The strongly correlated electron systems CeNi←2Ge←2 and Sr←2RuO←4." Thesis, University of Cambridge, 1996. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.364543.

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Hochet, Derevianckine Gwendoline. "Feasibility and performance of a LoRa 2.4 GHz network." Electronic Thesis or Diss., Lyon, INSA, 2024. http://www.theses.fr/2024ISAL0127.

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L’essor de l’Internet des Objets (IoT) ces dernières années a favorisé l’adoption de la technologie long-range (LoRa) et du protocole LoRaWAN, qui utilisent principalement les bandes de fréquences sub-GHz, soumises à des réglementations régionales. Pour surmonter ces limitations, Semtech a développé une version de LoRa pour la bande 2.4 GHz, qui est, notamment, accessible mondialement et n’impose pas de cycle d’activité. Cependant, cette bande de fréquence est déjà utilisée par de nombreuses technologies sans fil, telles que le Wi-Fi et le Bluetooth (BT), ainsi que par des appareils courants,
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Books on the topic "2.4 GHz band"

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Hromadka, Wolfgang, and Frank Maschmann. Arbeitsrecht Band 2. Springer Berlin Heidelberg, 2014. http://dx.doi.org/10.1007/978-3-642-38132-4.

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Meinhardt, Stefan, and Alexander Pflaum, eds. Digitale Geschäftsmodelle – Band 2. Springer Fachmedien Wiesbaden, 2019. http://dx.doi.org/10.1007/978-3-658-26316-4.

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Fischer, Helmut, and Helmut Kaul. Mathematik für Physiker Band 2. Springer Fachmedien Wiesbaden, 2014. http://dx.doi.org/10.1007/978-3-658-00477-4.

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Margraf, Jürgen, and Silvia Schneider, eds. Lehrbuch der Verhaltenstherapie, Band 2. Springer Berlin Heidelberg, 2018. http://dx.doi.org/10.1007/978-3-662-54909-4.

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Henrici, P., and R. Jeltsch. Komplexe Analysis für Ingenieure Band 2. Birkhäuser Basel, 1987. http://dx.doi.org/10.1007/978-3-0348-9296-4.

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Kükenthal, Willy, ed. Band 4: Arthropoda, 2 Hälfte: Insecta, Lepidoptera, Moths and Butterflies, Teilband/Part 36, Vol 2: Morphology, Physiology, and Development. DE GRUYTER, 2003. http://dx.doi.org/10.1515/9783110893724.

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Lozano, Grace. MRF24XA Low-Power, 2. 4 GHz ISM-Band IEEE 802. 15. 4(tm) RF Transceiver with Extended Proprietary Features Data Sheet. Microchip Technology Incorporated, 2015.

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Mukunzi, Paulin. Use of Licensed and Unlicensed 2. 4 and 5 Ghz Bands in Developing Countries. Rwanda As a Case Study. GRIN Verlag GmbH, 2018.

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Radio Control with 2. 4 Ghz. Books on Demand GmbH, 2014.

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Mullahy-Flores, Sara. SST12LN01, 2. 4-2. 5 GHz Low-Noise Amplifier. Microchip Technology Incorporated, 2015.

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Book chapters on the topic "2.4 GHz band"

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Suzuki, Katsumi, Seiichi Tokunaga, Masashi Ohtsuka, and Youichi Enomoto. "100 GHz Wide-Band Phaze Control HTS Mixer." In Advances in Superconductivity IX. Springer Japan, 1997. http://dx.doi.org/10.1007/978-4-431-68473-2_140.

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Manjunath, P., Dhruv Sharma, and P. Shanthi. "Design of 4 × 4 Butler Matrix for 5G High Band of 26 GHz." In Advances in Cognitive Science and Communications. Springer Nature Singapore, 2023. http://dx.doi.org/10.1007/978-981-19-8086-2_3.

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Takami, T., K. Kuroda, M. Kataoka, et al. "100 GHz Band Planar-Type SIS Mixer Using BaKBiO Grain Boundary Junctions." In Advances in Superconductivity VII. Springer Japan, 1995. http://dx.doi.org/10.1007/978-4-431-68535-7_256.

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Shibagaki, N. "Experimental Study of Photonic Based Radar for FOD Detection Systems Using 90 GHz-Band." In Lecture Notes in Electrical Engineering. Springer Japan, 2017. http://dx.doi.org/10.1007/978-4-431-56423-2_13.

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Tiwari, Anushka, and Sushrut Das. "1 × 2 Harmonic Suppression Microstrip Antenna Array for ISM Band Applications at 2.45 GHz." In Advances in Computer, Communication and Control. Springer Singapore, 2019. http://dx.doi.org/10.1007/978-981-13-3122-0_32.

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Divakar, T. V. S., P. Krishna Rao, and A. Sudhakar. "Miniaturized Edge Slotted Dual-Band PIFA Antenna for Wearable Medical Applications at 2–9 GHz." In Lecture Notes in Electrical Engineering. Springer Singapore, 2022. http://dx.doi.org/10.1007/978-981-16-8554-5_46.

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Somwanshi, Devendra Kumar, and Payal Bansal. "Design and Analysis of Dual Band Frequency Selective Surface." In Radar and RF Front End System Designs for Wireless Systems. IGI Global, 2024. http://dx.doi.org/10.4018/979-8-3693-0916-2.ch009.

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Recent progress in microstrip antennas has improved their size and efficiency, particularly in mobile, satellite, and Wi-Max technologies. These enhancements are crucial for advancing wireless communication systems, benefiting applications like telemedicine and GPS technology. The chapter introduces a dual-band unit cell of frequency selective surface (FSS) resonating at 4 GHz and 5.5 GHz, using a combination of I-shaped and modified I-shaped metal strips for dual-band filtering. The research focuses on individual shape analyses and aims to contribute to the development of compact and efficien
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Karmakar, Anirban. "Design and Analysis of an UWB Printed Monopole Antenna with Hilbert Curve Fractal Shaped Slots for Multiple Band Rejection Functionality." In Advances in Wireless Technologies and Telecommunication. IGI Global, 2017. http://dx.doi.org/10.4018/978-1-5225-0773-4.ch003.

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In this chapter, a compact dual band notched Ultrawideband (UWB) antenna with fractal shaped Hilbert curve slots (HCS) is presented. The antenna covers the frequency band from 2.5 GHz to 12 GHz for VSWR=2 and also shows stable radiation patterns throughout the operating frequency band. By introducing Hilbert Curve fractal Slots (HCS) in the antenna, band notch characteristics have been achieved. The HCS renders the capability to reject 5.15-5.825 GHz band assigned for IEEE 802.11a and HYPERLAN/2 and also 7.9-8.4 GHz band assigned for X-Band uplink satellite communication systems where the gain
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Kabouri, Lahcen, Mohammed El Ghazaoui, Imane Halkhams, and Ali El Alami. "New Compact Microstrip Rectangular Antenna for 28 GHz IoT Applications." In Advances in Computational Intelligence and Robotics. IGI Global, 2024. http://dx.doi.org/10.4018/979-8-3693-3775-2.ch021.

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5G is the fifth generation of mobile networks that promises to bring a revolutionary change to the way we connect and communicate. With faster speeds, lower latency, and higher capacity, 5G technology is expected to enable a wide range of new applications and services. This chapter presents a microstrip antenna structure designed for 5G applications at the 28 GHz band, based on rectangular shaped slots. By utilizing these slots, the radiation performance of the antenna is improved in terms of adaptation, resonant frequency, gain, and bandwidth. The antenna is designed on a 5.5×4.2 mm2 FR-4 sub
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Vishnoi, Manish Kumar, S. B. Batra, Niraj Kumar Sharma, and Vinod Kumar Singh. "Design of Compact Flexible Array Shaped Wearable Antenna for Healthcare." In Advances in Medical Technologies and Clinical Practice. IGI Global, 2024. http://dx.doi.org/10.4018/979-8-3693-4026-4.ch004.

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The presented flexible array shaped wearable antenna is simulated on a jeans textile substrate. This array shaped microstrip antenna (proposed) has been energized by linefeed technique. It gives the wider range of frequencies from 2.914GHz to 22.518 GHz that is super high frequency band (SHF) range. The proposed antenna has -10dB simulated bandwidth is 154.168%. The presented antenna's size is 43.6×49 mm2that it resonates at multiple frequencies i.e.7.2455 GHz, 10.588 GHz, and 14.456 GHz. The proposed design is applicable for various applications such as super high frequency, satellite communi
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Conference papers on the topic "2.4 GHz band"

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Kudelin, Igor, Pedram Shirmohammadi, William Groman, et al. "Tunable X-band opto-electronic synthesizer for low noise microwave generation." In CLEO: Science and Innovations. Optica Publishing Group, 2024. http://dx.doi.org/10.1364/cleo_si.2024.sf3n.4.

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Kohli, Manuel, Daniel Chelladurai, Laurenz Kulmer, et al. "Barium Titanate Racetrack Modulator on Silicon Nitride for 200 GBd Data Communication in the O-band." In CLEO: Science and Innovations. Optica Publishing Group, 2024. http://dx.doi.org/10.1364/cleo_si.2024.sw4r.4.

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We demonstrate the first O-band BaTiO3-plasmonic modulator on SiN. Featuring symbol rates of up to 200 GBd, 2 dB on-chip loss, and 70 GHz bandwidth, this approach proves suitable for low-loss, high-speed, and low-complexity communication.
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Ahmed, Fahad, Noureddine Melouki, Peyman PourMohammadi, Hassan Naseri Gheisanab, Amjad Iqbal, and Tayeb A. Denidni. "4-Bit Reconfigurable Reflecting Metasurface for Sub-6 GHz Band." In 2023 URSI International Symposium on Electromagnetic Theory (EMTS). IEEE, 2023. https://doi.org/10.1109/emts57498.2023.10925261.

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Slimi, Sami, Xavier Mateos, Rosa Maria Solé, et al. "In-band pumped Ho:KLu(WO4)2 laser." In Advanced Solid State Lasers. Optica Publishing Group, 2024. https://doi.org/10.1364/assl.2024.ath3a.8.

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Chen, Wen-Shan, and Bing-Hong Cai. "Design of 2 × 2 Antenna Array with Mesh Strip Elements for WLAN 5.8 GHz Band." In 2024 IEEE International Workshop on Electromagnetics: Applications and Student Innovation Competition (iWEM). IEEE, 2024. http://dx.doi.org/10.1109/iwem59914.2024.10649207.

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Chandra, Ashok. "Vehicular Traffic and Rail Traction Radio Noise in 1-2 GHz Band." In EMC_1990_Wroclaw. IEEE, 1990. https://doi.org/10.23919/emc.1990.10832941.

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Liang, Tian, Shufan Wang, Abdulrahman Alhamed, and Gabriel M. Rebeiz. "A 23-46 GHz Dual-Polarized $4\times 2$ Planar Phased Array for Portable 5G FR-2 Applications." In 2024 IEEE International Symposium on Phased Array Systems and Technology (ARRAY). IEEE, 2024. https://doi.org/10.1109/array58370.2024.10880367.

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Porwal, Rahul, Ajeet Kumar Rathor, M. V. Deepak Nair, and Nikhil Raj. "Modified Y Shaped 2-port Antenna for Sub-6 GHz 5G n79 Band." In 2024 IEEE International Conference on Electronics, Computing and Communication Technologies (CONECCT). IEEE, 2024. http://dx.doi.org/10.1109/conecct62155.2024.10677043.

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Feng, Chuanlin, Shichang Chen, Kuiwen Xu, and Yi Pei. "A 2-18 GHz Wide-band GaN Integrated Distributed Power Amplifier with Switch." In 2024 IEEE MTT-S International Microwave Workshop Series on Advanced Materials and Processes for RF and THz Applications (IMWS-AMP). IEEE, 2024. https://doi.org/10.1109/imws-amp62793.2024.10966575.

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Yamazaki, Atsuya, Kunio Sakakibara, Yoshiki Sugimoto, Taisuke Uemura, and Nobuyoshi Kikuma. "Design of 2×2 Interpolating-Fed 5×5-Element Phased Array Antenna-in-Package in 300-GHz Band." In 2024 International Symposium on Antennas and Propagation (ISAP). IEEE, 2024. https://doi.org/10.1109/isap62502.2024.10846226.

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Reports on the topic "2.4 GHz band"

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Deibele, C., and /Fermilab. Design of the Core 2-4 GHz Betatron Equalizer. Office of Scientific and Technical Information (OSTI), 2000. http://dx.doi.org/10.2172/984589.

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Farrar, Andrew. Calculation of Power Flux-Density Levels in the 2 GHz Band, Phase Three. Institute for Telecommunication Sciences, 1986. https://doi.org/10.70220/9fgm45m8.

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Deibele, C., and /Wisconsin U., Madison. Design of 2-4 GHz Equalizers for the Antiproton Accumulator Stacktail System. Office of Scientific and Technical Information (OSTI), 1999. http://dx.doi.org/10.2172/984634.

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Fenn, A. J., and S. Srikanth. Radiation Pattern Measurements of the Expanded Very Large Array (EVLA) C-Band Feed Horn in the MIT Lincoln Laboratory New Compact Range: Range Validation at 4 GHz. Defense Technical Information Center, 2004. http://dx.doi.org/10.21236/ada428369.

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Funkenstein, Bruria, and Cunming Duan. GH-IGF Axis in Sparus aurata: Possible Applications to Genetic Selection. United States Department of Agriculture, 2000. http://dx.doi.org/10.32747/2000.7580665.bard.

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Many factors affect growth rate in fish: environmental, nutritional, genetics and endogenous (physiological) factors. Endogenous control of growth is very complex and many hormone systems are involved. Nevertheless, it is well accepted that growth hormone (GH) plays a major role in stimulating somatic growth. Although it is now clear that most, if not all, components of the GH-IGF axis exist in fish, we are still far from understanding how fish grow. In our project we used as the experimental system a marine fish, the gilthead sea bream (Sparus aurata), which inhabits lagoons along the Mediter
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Maloney, Megan, Sarah Becker, Andrew Griffin, Susan Lyon, and Kristofer Lasko. Automated built-up infrastructure land cover extraction using index ensembles with machine learning, automated training data, and red band texture layers. Engineer Research and Development Center (U.S.), 2024. http://dx.doi.org/10.21079/11681/49370.

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Automated built-up infrastructure classification is a global need for planning. However, individual indices have weaknesses, including spectral confusion with bare ground, and computational requirements for deep learning are intensive. We present a computationally lightweight method to classify built-up infrastructure. We use an ensemble of spectral indices and a novel red-band texture layer with global thresholds determined from 12 diverse sites (two seasonally varied images per site). Multiple spectral indexes were evaluated using Sentinel-2 imagery. Our texture metric uses the red band to s
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Weller, Joel I., Derek M. Bickhart, Micha Ron, Eyal Seroussi, George Liu, and George R. Wiggans. Determination of actual polymorphisms responsible for economic trait variation in dairy cattle. United States Department of Agriculture, 2015. http://dx.doi.org/10.32747/2015.7600017.bard.

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The project’s general objectives were to determine specific polymorphisms at the DNA level responsible for observed quantitative trait loci (QTLs) and to estimate their effects, frequencies, and selection potential in the Holstein dairy cattle breed. The specific objectives were to (1) localize the causative polymorphisms to small chromosomal segments based on analysis of 52 U.S. Holstein bulls each with at least 100 sons with high-reliability genetic evaluations using the a posteriori granddaughter design; (2) sequence the complete genomes of at least 40 of those bulls to 20 coverage; (3) de
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ปริยานนท์, ผุสตี, สุดสนอง ผาตินาวิน, กัมพล อิศรางกูร ณ อยุธยา та ін. การพัฒนาการทำฟาร์มเลี้ยงกบและการใช้เทคโนโลยีในการเลี้ยงโดยวิธีผสมผสาน : รายงานวิจัย. จุฬาลงกรณ์์มหาวิทยาลัย, 1989. https://doi.org/10.58837/chula.res.1989.15.

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การใช้ฮอร์โมน HCG, PMSG ร่วมกับ HCG และการใช้ GnRH analogs ชักนำให้เกิดการตกไข่และผสมพันธุ์ในกบนา พบว่าเมื่อใช้ฮอร์โมน HCG 100 IU และ 200 IU ยังไม่สามารถชักนำให้ตัวเมียตกไข่ได้ ส่วนการใช้ฮอร์โมน PMSG 50 IU และ 200 IU ร่วมกับ HCG 100 IU และ 200 IU สามารถชักนำให้ตัวเมียตกไข่และมีการปฏิสนธิเกิดขึ้น 30 เปอร์เซ็นต์ และการฉีด GnRH analogs 2 microgram และ 10 microgram ต่ำน้ำหนักตัว 1 กิโลกรัม สามารถชักนำให้ตัวเมียตกไข่ได้ 100 เปอร์เซ็นต์ และมีการปฏิสนธิได้ 50 เปอร์เซ็นต์ การศึกษาการเจริญของลูกอ๊อดกบนาจนถึงขั้นเปลี่ยนแปลง (metamorphosis) เป็นลูกกบเล็กโดยแบ่งออกเป็น 4 ขั้น คือ ระยะลูกอ๊อด ระยะงอกขาหลัง
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ปริยานนท์, ผุสตี, สุดสนอง ผาตินาวิน, กัมพล อิศรางกูร ณ อยุธยา та ін. การพัฒนาการเลี้ยงกบในประเทศไทย 2531 : รายงานวิจัย. จุฬาลงกรณ์์มหาวิทยาลัย, 1989. https://doi.org/10.58837/chula.res.1989.13.

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กบนา (Rana tigerina) เป็นสัตว์เลือดเย็นประเภทครึ่งบกครึ่งน้ำ ดังนั้นสภาพแวดล้อมทางกายภาพจึงเป็นปัจจัยที่สำคัญอย่างหนึ่งที่มีผลต่อการเจริญเติบโตและการสืบพันธุ์ จากการศึกษาลักษณะของสภาพแวดล้อมทางกายภาพ ได้แก่ อุณหภูมิ ความชื้น และคุณสมบัติทางเคมีของน้ำในบริเวณฟาร์มเลี้ยงกบ อ.ชะอำ จ.เพชรบุรี ปรากฎว่า อุณหภูมิอากาศเฉลี่ยสูงสุดในรอบปีเท่ากับ 30.9 +- 9.5 องศาเซลเซียส อุณหภูมิอากาศเฉลี่ยต่ำสุดในรอบปีเท่ากับ 25.5+- 9.5 องศาเซลเซียส อุณหภูมิน้ำสูงสุดในรอบปีเท่ากับ 29.6 +- 5.7 องศาเซลเซียส เฉลี่ยต่ำสุดเท่ากับ 25.4 +- 3.8 องศาเซลเซียส ความชื้นสัมพัทธ์ของอากาศอยู่ระหว่าง 65.0+-79% และ 76.6 +- 10.8 % ความเ
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พงษ์สามารถ, สุนันท์, สุกัญญา เจษฎานนท์ та นรานินทร์ มารคแมน. การศึกษาความปลอดภัยและความเป็นพิษของการบริโภค สารสกัดคล้ายเพคตินจากเปลือกทุเรียน : รายงานวิจัย. จุฬาลงกรณ์มหาวิทยาลัย, 1989. https://doi.org/10.58837/chula.res.1989.9.

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การศึกษาความปลอดภัยของการบริโภคสารคล้ายเพคตินสกัดจากเปลือกทุเรียนในสัตว์ทดลองหนู (mice) โดยการป้อนให้สัตว์ทดลองกินสารสกัดเปลือกทุเรียนในรูปของสารสกัด crude fraction (F I) และสารสกัด partially purify fraction (F II) และให้กินอาหารและน้ำตลอดเวลาตามปกติ ผลการทดสอบความปลอดภัยเบื้องต้นโดยป้อนสารสกัดให้กลุ่มสัตว์ทดลองกินทุกวันในขนาดสูงมากติดต่อกันเป็นเวลานาน 10 วัน พบว่าอัตราการเพิ่มน้ำหนักของสัตว์ทดลองในกลุ่มที่ป้อน F I ขนาด 0.125 g/kg/d กลุ่มที่ป้อน F III ขนาด 0.125 g/kg/d 0.25 g/kg/d และ 0.5 g/kg/d กับกลุ่มที่ป้อน pectin ขนาด 0.125 g/kg/d และ 0.5 g/kg/d ตลอดเวลา 10 วัน มีการเพิ่มของน้ำหนักตัวได้ด
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