Academic literature on the topic '28GHz'

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Journal articles on the topic "28GHz"

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Zainal, Noor Ainniesafina, Muhammad Ramlee Kamarudin, Nor Hidayu Shahadan, Jamal Nasir, Mohsen Khalily, and Norhudah Seman. "Study of the Feeding Techniques of Microstrip Antenna at 28 GHz for 5G Applications." Applied Mechanics and Materials 781 (August 2015): 49–52. http://dx.doi.org/10.4028/www.scientific.net/amm.781.49.

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This work presents a simulation of two different feeding techniques of microstrip patch antenna for 28GHz, 5G applications. The antenna fed by inset feed line and coplanar feed line. The simulated results using High Frequency Structure Simulator (HFSS) shows that both the reflection coefficient of less than-10dB have been achieved over a frequency of 28GHz; demonstrate a gain of 7.96dBi and 5.72dBi for the inset feed line and coplanar feed line, respectively.
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Jassim, ِAli Khalid, and Raad H. Thaher. "Design and analysis microstrip antenna with reflector to enhancement gain for wireless communication." Bulletin of Electrical Engineering and Informatics 9, no. 2 (2020): 652–60. http://dx.doi.org/10.11591/eei.v9i2.1696.

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In this paper is presented the good solution to enhancement gain by using physical plane plate reflector with optimum distance by a reflector was used with the antenna and using a sweep parameter for the distance at which the reflector was placed at (, we found the best distance is when selected the bandwidth is 28GHz where . The gain at the bandwidth in 28GHz was improved from (5.48, 6.78, and 7.83) dB to 11.53 dB, while the gain without a reflector is 7.1 dB. The simulation results were obtained using CST which was more consistent with the practical results.
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Kumari, Simpal, Deepak Kumar Barik, and Satyasis Mishra. "Identification of Patch Phase Array Antenna at 28GHz in Different Orientation for 5th Generation Wireless Application." Circulation in Computer Science MCSP2017, no. 01 (2017): 17–22. http://dx.doi.org/10.22632/ccs-2017-mcsp031.

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In this paper a wide band microstrip patch for next generation of wireless communication is proposed with three different configuration of patch array are designed with different orientation and excitation phase at 28GHz for 5th generation application. To think the current generation of the cellular mobile communication the rapidly increasing number of mobile devices, voluminous data and higher data rate are pushing. The proposed antenna is benefited at 28GHz frequency band. For the matching between radiating patch and the microstrip feedline inset feeding technique is used. With different ori
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Ali, Khalid Jassim, and H. Thaher Raad. "Design and analysis microstrip antenna with reflector to enhancement gain for wireless communication." Bulletin of Electrical Engineering and Informatics 9, no. 2 (2020): 652–60. https://doi.org/10.11591/eei.v9i2.1696.

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In this paper is presented the good solution to enhancement gain by using physical plane plate reflector with optimum distance by a reflector was used with the antenna and using a sweep parameter for the distance at which the reflector was placed at (4,8,12,16) mm, we found the best distance is 𝜆 when selected the bandwidth is 28GHz where 𝜆=12 𝑚𝑚. The gain at the bandwidth in 28GHz was improved from (5.48, 6.78, and 7.83) dB to 11.53 dB, while the gain without a reflector is 7.1 dB. The simulation results were obtained using CST which was more consistent with the practical results.
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Yang, Tao, Ziqiang Yang, Jia Chen, and Zhijun Xiang. "A 28GHz CMOS FREQUENCY DOUBLER WITH TFMS." International Journal of Infrared and Millimeter Waves 27, no. 12 (2007): 1603–7. http://dx.doi.org/10.1007/s10762-006-9159-7.

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Raheem Esmail Alselwi, Mohammed Abdul, Yan Chiew Wong, and Zul Atfyi Fauzan Mohammed Napiah. "Integrated cmos rectifier for rf-powered wireless sensor network nodes." Bulletin of Electrical Engineering and Informatics 8, no. 3 (2019): 829–38. http://dx.doi.org/10.11591/eei.v8i3.1579.

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This article presents a review of the CMOS rectifier for radio frequency energy harvesting application. The on-chip rectifier converts the ambient low-power radio frequency signal coming to antenna to useable DC voltage that recharges energy to wireless sensor network (WSN) nodes and radiofrequency identification (RFID) tags, therefore the rectifier is the most important part of the radio frequency energy harvesting system. The impedance matching network maximizes power transfer from antenna to rectifier. The design and comparison between the simulation results of one- and multi-stage differen
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Mohammed, Abdul Raheem Esmail Alselwi, Chiew Wong Yan, and Atfyi Fauzan Mohammed Napiah Zul. "Integrated cmos rectifier for rf-powered wireless sensor network nodes." Bulletin of Electrical Engineering and Informatics 8, no. 3 (2019): 829–38. https://doi.org/10.11591/eei.v8i3.1579.

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This article presents a review of the CMOS rectifier for radio frequency energy harvesting application. The on-chip rectifier converts the ambient low-power radio frequency signal coming to antenna to useable DC voltage that recharges energy to wireless sensor network (WSN) nodes and radiofrequency identification (RFID) tags, therefore the rectifier is the most important part of the radio frequency energy harvesting system. The impedance matching network maximizes power transfer from antenna to rectifier. The design and comparison between the simulation results of one- and multi-stage differen
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Kishimoto, Akira, Tetsuya Morimoto, and Hidetaka Hayashi. "Millimeter Wave Sintering of AlN Ceramics for Heat Sink Application." Key Engineering Materials 421-422 (December 2009): 533–36. http://dx.doi.org/10.4028/www.scientific.net/kem.421-422.533.

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By using 24 GHz millimeter-wave irradiation, full densification of AlN added with Y2O3 was attained at 1700 °C, which is comparable to 28GHz-wave irradiation. Thermal conductivity of a resultant sample exceeded 200 W/mK, which is the highest value in AlN fabricated in non-reducing atmosphere.
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Park, No-Uk, Won-Ho Jeong, Myung-Won Jung, Young-Jun Chong, Jong-Ho Kim, and Kyung-Seok Kim. "Permittivity Measurements of various Materials in 13-28GHz Band." Journal of the Institute of Webcasting, Internet and Telecommunication 14, no. 1 (2014): 161–67. http://dx.doi.org/10.7236/jiibc.2014.14.1.161.

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Zakwoi, Iliya S., Soyinka O. Kolawole, Ogbeide O. K, and Omeiza I. O. A. "Radial Line Slot Array Antenna Feeder Design Using Optimization Algorithm." Modern Applied Science 13, no. 1 (2018): 214. http://dx.doi.org/10.5539/mas.v13n1p214.

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High Bandwidth is required today to meet the demands for high data rates needed for future Direct-to Home (DTH) services in Ka-Band. In this work, the Brainstorm Optimization (BSO) method for the feeder architecture design is utilized to meet this need at 28GHz. The BSO is used as tool for the optimization of the beam squinted antenna feeder parameters in terms of air gaps, radial cavity dimensions and dielectric thickness needed for the optimal customization of the conventional Sub-Miniature A (SMA) connector for enhanced bandwidth realization in Ka Band at 28 GHz required f
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Dissertations / Theses on the topic "28GHz"

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Lin, Ming-Yan, and 林銘源. "Design of CMOS 28GHz Low Noise Amplifier and Mixers." Thesis, 2011. http://ndltd.ncl.edu.tw/handle/68261657481932761294.

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碩士<br>國立臺灣海洋大學<br>電機工程學系<br>99<br>In this thesis, we investigate a CMOS low noise amplifier and mixers at 28 GHz which can be applied to high-speed wireless data access of local multipoint distribution service system. The proposed circuits are simulated and implemented using TSMC 0.18 m CMOS process technology which is supported by National Chip Implementation Center. In this article, we design an LNA and two Mixers. In the design of the 28GHz low noise amplifier, the main structure is the CS configuration with improved power consumption. The simulation results show that the power gain is 14.4
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Tsay, Yao-xian, and 蔡耀賢. "An Active Beam-Switching Transmitting Antenna Array And Phase Shifter Designs For 28Ghz Video-Relay System." Thesis, 2003. http://ndltd.ncl.edu.tw/handle/87655719667102630221.

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碩士<br>國立交通大學<br>電信工程系<br>91<br>Abstract This thesis presents the architecture and circuit design of a high power active beam-steering antenna array for 28GHz Video-Relay System. The antenna array is composed of eight RF transmitters connected with inset-fed patch antennas. Each RF transmitter includes an MMIC power amplifier, a driver amplifier and a sub-harmonic Mixer with image rejection filter. The active array utilizes these 8 MMIC power amplifiers to transmit high power. On the other hand, the IF circuitry distributes to the IF signal into eight way so each way passing thr
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Chiang, Yueh-Chu, and 江岳竺. "A 28GHz Low Noise Amplifier(LNA) using Integrated Fan-out(InFO) technology for 5th generation wireless system." Thesis, 2017. http://ndltd.ncl.edu.tw/handle/v3dwg2.

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碩士<br>國立交通大學<br>電子研究所<br>106<br>In this thesis, we integrate passive components of high-quality factor manufactured by fan-out packaging technology with active components (TSMC 28nm CMOS), together to assemble low noise amplifier(LNA). The structure of LNA is single stage amplifier of L-shaped matching network applied under the 5th generation mobile spectrum (28GHz). This thesis is divided into the design method of LNA and integrated fan-out package process. First, we use advanced design system (ads), 2009U1 software, not only to simulate s-parameters relationship between CMOS and input&output
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SHEN, LIANG-CHUNG, and 沈良鍾. "Design of LNA for Ku-Band, 24-28GHz Down-Conversion Mixer for 5Gth, and 3-18 GHz Up-Conversion Mixer." Thesis, 2019. http://ndltd.ncl.edu.tw/handle/k9eapy.

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碩士<br>國立金門大學<br>電子工程學系碩士班<br>107<br>This thesis focuses on the research of UWB(Ultra-WideBand) and Ku-Band and 5th generation wireless systems RF front-end circuit. The design target is to implement key low noise amplifier, down-converter mixer, and up-converter mixer. The three results are summarized as follows: Firstly, this study presents a wideband LNA chip covering the frequency range from 9 to 16.4 GHz using TSMC 0.18 μm CMOS technology. The amplifier uses three cascode common source (CS) series architectures and Multiple gated transistors for each stack. The simulated results (Post-
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Book chapters on the topic "28GHz"

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Wang, J. S., B. J. Robinson, G. C. Huang, and R. E. Otrupcek. "A 28kHz-Resolution Acousto-Optic Spectrometer." In Astrochemistry. Springer Netherlands, 1987. http://dx.doi.org/10.1007/978-94-009-4774-0_25.

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Aboshosha, Ashraf, Mohamed B. El-Mashade, and Ehab A. Hegazy. "Design and Analysis of Rectangular Microstrip Patch Array Antenna on 28 GHz Band for Future of 5G." In Research Anthology on Developing and Optimizing 5G Networks and the Impact on Society. IGI Global, 2021. http://dx.doi.org/10.4018/978-1-7998-7708-0.ch002.

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The narrow beam widths generally associated with antennas at higher frequencies has led to the study of using advanced multiple-input multiple-output (MIMO) and adaptive beam-forming. These antenna technologies are overcoming some of the challenging propagation characteristics of mm waves and could increase the spectrum efficiency, provide higher data rates, and adequate reasonable coverage for mobile broadband services. With the potential for higher 10+GHz frequencies as well as mm waves deployment, most 5G candidates bands in 20 to 50 GHz. The frequency band of 5G is proposed and demonstrate
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Aboshosha, Ashraf, Mohamed B. El-Mashade, and Ehab A. Hegazy. "Design and Analysis of Rectangular Microstrip Patch Array Antenna on 28 GHz Band for Future of 5G." In Enabling Technologies and Architectures for Next-Generation Networking Capabilities. IGI Global, 2019. http://dx.doi.org/10.4018/978-1-5225-6023-4.ch003.

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The narrow beam widths generally associated with antennas at higher frequencies has led to the study of using advanced multiple-input multiple-output (MIMO) and adaptive beam-forming. These antenna technologies are overcoming some of the challenging propagation characteristics of mm waves and could increase the spectrum efficiency, provide higher data rates, and adequate reasonable coverage for mobile broadband services. With the potential for higher 10+GHz frequencies as well as mm waves deployment, most 5G candidates bands in 20 to 50 GHz. The frequency band of 5G is proposed and demonstrate
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Saito, Hidenori, Toshiyuki Ueno, Saburo Sano, Yukio Makino, and Shoji Miyake. "MECHANICAL EVALUATION FOR SILICON NITRIDE SINTERED BY 28GHz MILLIMETER-WAVE HEATING." In Novel Materials Processing by Advanced Electromagnetic Energy Sources. Elsevier, 2005. http://dx.doi.org/10.1016/b978-008044504-5/50034-9.

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Ueno, Toshiyuki, Saburo Sano, Hidenori Saito, Yukio Makino, and Shoji Miyake. "MILLIMETER-WAVE EFFECT ON SINTERING OF SILICON NITRIDES BY 28GHz MILLIMETER-WAVE RADIATION." In Novel Materials Processing by Advanced Electromagnetic Energy Sources. Elsevier, 2005. http://dx.doi.org/10.1016/b978-008044504-5/50033-7.

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Jung Hoeryong and Lee Doo Yong. "Real-Time Simulation of Interaction between Colon and Endoscope for the Colonoscopy Simulation." In Studies in Health Technology and Informatics. IOS Press, 2012. https://doi.org/10.3233/978-1-61499-022-2-218.

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This paper proposes a novel simulation framework for the real-time deformation of the colon and endoscope using a skeleton-driven deformation method. Cylindrical lattices and a centerline are employed as the skeletons, and a mass-spring model is applied to the skeletons for the mechanics-based simulation. The centerline-based collision detection and resolution algorithm is applied to simulate the interaction between the colon and endoscope. The proposed simulation framework is integrated with a colonoscopy simulation. Simulation results show that the proposed method allows real-time simulation
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Conference papers on the topic "28GHz"

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Lee, Bumhee, Mohsen Pourghasemian, Ali Abdi, et al. "Programmable 28GHz mmWave MU-MIMO Testbed." In 2025 IEEE Wireless Communications and Networking Conference (WCNC). IEEE, 2025. https://doi.org/10.1109/wcnc61545.2025.10978370.

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Kim, Jong Ho, YoungKeun Yoon, Young Jun Chong, and Myung-Don Kim. "28GHz Wideband Characteristics at Urban Area." In 2015 IEEE 82nd Vehicular Technology Conference (VTC Fall). IEEE, 2015. http://dx.doi.org/10.1109/vtcfall.2015.7390780.

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Lei, Mingzheng, Aijie Li, Bingchang Hua, et al. "Radar-Assisted MMW-over-Fiber System for B5G Mobile Communications." In CLEO: Science and Innovations. Optica Publishing Group, 2022. http://dx.doi.org/10.1364/cleo_si.2022.sm5j.4.

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We experimentally demonstrated a radar-assisted MMW-over-fiber system for B5G mobile communications based on polarization interleaving. Centimeter-level ranging accuracy at K-band and 23-Gbit/s wireless rate at 28GHz band were simultaneously achieved without using polarization tracking methods.
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Sadhu, B., J. F. Bulzacchelli, and A. Valdes-Garcia. "A 28GHz SiGe BiCMOS phase invariant VGA." In 2016 IEEE Radio Frequency Integrated Circuits Symposium (RFIC). IEEE, 2016. http://dx.doi.org/10.1109/rfic.2016.7508273.

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Rahim, Tariq, Arslan Musaddiq, Jae-Min Lee, and Dong-Seong Kim. "Introducing 5G+ (28GHz) mmWave Campus Test-bed." In 2021 International Conference on Information and Communication Technology Convergence (ICTC). IEEE, 2021. http://dx.doi.org/10.1109/ictc52510.2021.9621085.

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Amirkhani, Armin, Negar Choupan, and Abdolreza Nabavi. "A 28GHz Harmonic Injection Doherty Power Amplifier." In 2021 Iranian International Conference on Microelectronics (IICM). IEEE, 2021. http://dx.doi.org/10.1109/iicm55040.2021.9730246.

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Malygin, A., S. Illy, I. Gr Pagonakis, et al. "Analysis of mode competition in 10kW/28GHz gyrotron." In 2013 14th International Vacuum Electronics Conference (IVEC). IEEE, 2013. http://dx.doi.org/10.1109/ivec.2013.6571021.

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Fang, Sher Jiun, Frank Zhang, Abdellatif Bellaouar, and Sherif Embabi. "A 28GHz Sliding-IF Receiver in 22nm FDSOI." In ESSCIRC 2019 - IEEE 45th European Solid State Circuits Conference (ESSCIRC). IEEE, 2019. http://dx.doi.org/10.1109/esscirc.2019.8902515.

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Zhang, Yi, Jian Pang, Zheng Li, Atsushi Shirane, and Kenichi Okada. "A 28GHz Bi-direction Transceiver with Temperature Compensation." In 2021 IEEE International Conference on Integrated Circuits, Technologies and Applications (ICTA). IEEE, 2021. http://dx.doi.org/10.1109/icta53157.2021.9662025.

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Kojima, Hiroshi, Manabu Nakahori, Kei Matsutani, Katsuhito Kuroda, and Kengo Onaka. "A Compact 28GHz Bandpass Filter using Quartz Folded Waveguide." In 2018 IEEE/MTT-S International Microwave Symposium - IMS 2018. IEEE, 2018. http://dx.doi.org/10.1109/mwsym.2018.8439519.

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