Items where Author is "Nguyễn Quốc Định"

Tran-Viet, D.-N. and Dao-Duc, T. and Quoc, D.N. and Tran-Huy, H. (2024) A 2 × 2 Microstrip Patch MIMO Array for IoT Applications. In: International Conference on Intelligent Systems and Networks, ICISN 2024, 22 March 2024 Through 23 March 2024, Hanoi.

Tran-Huy, H. and Tuan, H.N. and Dinh, N.Q. and Tran-Viet, D.-N. and Park, H.-C. (2024) Multi-Element Self-Decoupled MIMO Patch Antenna with Flexible Characteristics. IEEE Access, 12. pp. 21569-21575. ISSN 21693536

Dao-Duc, T. and Tran-Viet, D.-N. and Tien, D.N. and Quoc, D.N. and Nguyen, T.T.-L. and Tran-Huy, H. (2024) A compact co-aperture dual-sense circularly polarized antenna for simultaneous transmit and receive systems. PLoS ONE, 19 (7 JULY): e0304414. ISSN 19326203

Cuong, H.D. and Le, M.-T. and Dinh, N.Q. and Tran, X.N. and Michishita, N. (2023) A Broadband 1-Bit Single-Layer Reconfigurable Reflectarray Unit Cell Based on PIN Diode Model. IEEE Access, 11. pp. 6477-6489. ISSN 21693536

Thai, N.D. and Linh, N.T.D. and Luyen, T.V. and Nguyen, Q.D. and Hung, P.V. and Yamada, Y. (2023) An investigation on the radiation characteristics of Plano-Convex and Hyperbolic-Planar lens antennas working at 270 GHz. In: 12th IEEE International Conference on Control, Automation and Information Sciences, ICCAIS 2023, 27 November 2023 Through 29 November 2023, Hanoi.

Viet, D.-N.T. and Tran-Huy, H. and Quoc, D.N. and Park, H.C. (2023) A novel defected ground structure for high-isolation circularly polarized MIMO patch antenna. Journal of Electromagnetic Waves and Applications. ISSN 09205071

Le, T.N.T.N. and Cuong, H.D. and Toan, T.T. and Anh, H.Q. and Le, M.-T. and Dinh, N.Q. (2022) A Broadband Polarization-Rotation Reconfigurable Reflectarray Antenna. In: Conference of 15th International Conference on Advanced Technologies for Communications, ATC 2022, 20 October 2022 Through 22 October 2022, Hanoi.

Tengah, Z. and Rahman, N.H.A. and Yamada, Y. and Rashid, N.E.A. and Pasya, I. and Aris, M.A. and Dinh, N.Q. (2022) Design of Bifurcated Beam using Convex Bent Array Feed for Satellite Mobile Earth Station Application. Radioengineering, 31 (4). pp. 541-552.

Sugimoto, Y. and Nguyen, T.H. and Nguyen, Q.D. and Suzuki, S. and Narita, T. and Sakakibara, K. and Kikuma, N. (2022) Low Profile Cylindrical Lens Antenna with Matching Layers for 2-Dimensional Beam-Scanning. In: 27th International Symposium on Antennas and Propagation, ISAP 2022, 31 October 2022 through 3 November 2022, Sydney.

Arjunaidi, A.A. and Quzwain, K. and Yamada, Y. and Kamardin, K. and Dinh, N.Q. (2021) Focal region ray tracing of dual spherical reflector antenna. In: 2020 International Symposium on Antennas and Propagation, ISAP 2020, 25 January 2021 through 28 January 2021.

Hung, Phan Van and Dinh, Nguyen Quoc (2021) Investigation on Radiation Characteristics of Dielectric Lens Antennas at Millimeter-Wave. In: 8th NAFOSTED Conference on Information and Computer Science, NICS 2021, 21 December 2021 through 22 December 2021, Hanoi.

Hung, P.V. and Dinh, N.Q. and Yamada, Y. (2021) Negative refractive index-shaped lens antenna with straight line condition for wide angle beam scanning. Journal of Electromagnetic Waves and Applications. ISSN 9205071 (In Press)

Binh, N.T. and Dinh, N.Q. and Yamada, Y. (2021) Wideband characteristics of density tapered array antennas. International Journal of Electrical and Computer Engineering, 11 (2). pp. 1356-1366. ISSN 20888708

Le, T.N.T.N. and Cuong, H.D. and Tam, N.T. and Le, M.T. and Dinh, N.Q. (2021) An X-Band Reflectarray Antenna Using Concentric Rings and a Cross. In: 8th NAFOSTED Conference on Information and Computer Science, NICS 2021, 21 December 2021 through 22 December 2021, Hanoi.

Quzwain, K. and Arjunaidi, A.A. and Yamada, Y. and Kamardin, K. and Rahman, N.H.A. and Ismail, A. and Dinh, N.Q. (2020) Caustic Analysis of Reflected Rays from a Spherical Reflector Antenna. In: 2020 IEEE International RF and Microwave Conference, RFM 2020, 14 December 2020 through 16 December 2020.

Hung, P.V. and Dinh, N.Q. and Dung, D.T. and Yamada, Y. (2020) Caustics and beam steering calculations of negative refractive index lens antenna by the ray tracing method. In: 13th International Conference on Advanced Technologies for Communications, ATC 2020, 8 October 2020 through 10 October 2020.

Van Hung, P. and Dinh, N.Q. and Thuyen, H.D. and Hung, N.T. and Thuy, L.M. and Trung, L.T. and Yamada, Y. (2020) Estimations of Matching Layers Effects on Lens Antenna Characteristics. In: 6th EAI International Conference on Industrial Networks and Intelligent Systems, INISCOM 2020, 24 August 2020 through 28 August 2020.

Dinh, N.Q. and Dung, D.T. and Yamada, Y. and Michishita, N. (2020) Input resistance changes and related performances of a normal-mode helical antenna in a human body application. Applied Computational Electromagnetics Society Journal, 35 (1). pp. 23-30. ISSN 10544887

Hamid, S.A. and Rahman, N.H.A. and Yamada, Y. and van Hung, P. and Quoc, D.N. (2020) Multibeam characteristics of a negative refractive index shaped lens. Sensors (Switzerland), 20 (19): 5703. pp. 1-17. ISSN 14248220

Van Hung, P. and Dinh, N.Q. and Yamada, Y. and Michishita, N. and Islam, M.T. (2020) Parametric analysis of negative and positive refractive index lens antenna by Ansys HFSS. International Journal of Antennas and Propagation, 2020: 9128921. ISSN 16875869

Dinh, N.Q. and Binh, N.T. and Yamada, Y. and Michishita, N. (2020) Proof of the density tapering concept of an unequally spaced array by electric field distributions of electromagnetic simulations. Journal of Electromagnetic Waves and Applications, 34 (5). pp. 668-681. ISSN 9205071

Islam, M.T. and Noor Aboaresh, W.Y. and Quoc, D.N. and Aldhaheri, R.W. and Alharbi, K.H. and Aljohani, A.J. and Samsuzaman, M. (2020) Slotted planar patch antenna array design for 5G applications. Journal of Optoelectronics and Advanced Materials, 22 (11). pp. 564-572. ISSN 14544164

Cuong, H.D. and Le, M.-T. and Dinh, N.Q. (2020) A reflectarray antenna using crosses and square rings for 5G millimeter-wave application. In: 13th International Conference on Advanced Technologies for Communications, ATC 2020, 8 October 2020 through 10 October 2020.

Van Phan, H. and Quoc, D.N. and Duc, N.T.V. and Yamada, Y. and Michishita, N. and Islam, M.T. (2019) Electromagnetic Simulation Method of a Negative Refractive Index Lens Antenna. In: 12th International Conference on Advanced Technologies for Communications, ATC 2019, 17 October 2019 through 19 October 2019.

Quzwain, K. and Yamada, Y. and Kamardin, K. and Abd Rahman, N.H. and DInh, N.Q. (2019) Reflector Surface Shaping Method for a Cassegrain Antenna. In: 6th International Conference on Space Science and Communication, IconSpace 2019, 28 July 2019 through 30 July 2019.

Zainudin, N. and Yamada, Y. and Latef, T.A. and Kamardin, K. and Dinh, N.Q. (2019) Relations of Input Resistance Increases and Current Distributions of a Normal-Mode Helical Antenna in a Human Body Condition. In: 2018 International Symposium on Antennas and Propagation, ISAP 2018, 23 October 2018 through 26 October 2018.

Tuan, N.T. and Yamada, Y. and Dinh, N.Q. and Baharin, R.H.B.M. and Kamardin, K.B. and Dung, D.T. and Michishita, N. (2018) Deterministic equation of self-resonant structures for normal-mode helical antennas implanted in a human body. IEEE Antennas and Wireless Propagation Letters, 17 (8): 8382232. pp. 1377-1381. ISSN 15361225

Dung, D.T. and Nguyen, Q.D. and Trinh, D.Q. and Yamada, Y. (2018) Investigating equations used to design a very small normal-mode helical antenna in free space. International Journal of Antennas and Propagation, 2018: 7967468. ISSN 16875869

Yamada, Y. and Jing, C.Z. and Abd Rahman, N.H. and Kamardin, K. and Idrus, I.I. and Rehan, M. and Abd Latef, T. and Abd Rahman, T. and Dinh, N.Q. (2018) Unequally Element Spacing Array Antenna with Butler Matrix Feed for 5G Mobile Base Station. In: 2nd International Conference on Telematics and Future Generation Networks, TAFGEN 2018, 24 October 2018 through 26 October 2018.

Dung, D.T. and Dinh, N.Q. and Yamada, Y. and Michishita, N. and Anh, H.Q. (2017) Electric characteristics of very small normal-mode helical antenna in human body conditions. In: 10th International Conference on Advanced Technologies for Communications, ATC 2017, 18 October 2017 through 20 October 2017.

Baharin, R.H.B.M. and Yamada, Y. and Kamardin, K.B. and DInh, N.Q. and Michishita, N. (2017) Input resistances of small normal-mode helical antennas in dielectric materials. In: 2017 IEEE Asia Pacific Microwave Conference, APMC 2017, 13 November 2017 through 16 November 2017.

Tuan, N.T. and Yamada, Y. and Dung, D.T. and Dinh, N.Q. and Michishita, N. (2017) Simulation accuracy of normal-mode helical antenna used in human body. In: 21st International Symposium on Antennas and Propagation, ISAP 2016, 24 October 2016 through 28 October 2016.

Binh, N.T. and Dinh, N.Q. and Yamada, Y. and Michishita, N. (2016) Design of density tapered array for arbitrary density distribution. In: 9th International Conference on Advanced Technologies for Communications, ATC 2016, 12 October 2016 through 14 October 2016.

Tuyen, T.K. and Khanh, L.H. and Dinh, N.Q. and Yamada, Y. and Michishita, N. (2016) Multi-frequency characteristics of unequal element spacing array antenna for mobile base station use. In: 8th International Conference on Advanced Technologies for Communications, ATC 2015, 14 October 2015 through 16 October 2015.

Tuan, N.T. and Yamada, Y. and Dinh, N.Q. and Michishita, N. (2016) Self-resonant structures of normal-mode helical antennas embedded in dielectric and magnetic materials. In: 8th International Conference on Advanced Technologies for Communications, ATC 2015, 14 October 2015 through 16 October 2015.

Dung, D.T. and Dinh, N.Q. and Tuan, N.T. and Yamada, Y. and Michishita, N. (2016) Simulation methods of a normal-mode helical antenna in a human body condition. In: 9th International Conference on Advanced Technologies for Communications, ATC 2016, 12 October 2016 through 14 October 2016.

Dinh, N.Q. and Trung, L.T. and Tran, X.N. and Michishita, N. (2016) A compact MIMO UWB antenna using different types of dipoles with low mutual coupling. IEICE Transactions on Communications, E99B (11). pp. 2381-2389. ISSN 9168516

Nguyen, Q.D. and Le, T.T. and Le, D.T. and Tran, X.N. and Yamada, Y. (2016) A compact MIMO ultra-wide band antenna with low mutual coupling. Applied Computational Electromagnetics Society Journal, 31 (3). pp. 252-260. ISSN 10544887

Huong, N.T. and Trang, L.M.N.Q. and Quoc Dinh, N. and Michishita, N. and Yamada, Y. (2015) Asymmetrical radiation pattern synthesis of a linear array antenna by a least mean square method. In: 2014 7th International Conference on Advanced Technologies for Communications, ATC 2014, 15 October 2014 through 17 October 2014.

Yamada, Y. and Michishita, N. and Nguyen, Q.D. (2015) Calculation and measurement methods for RCS of a scale model airplane. In: 2014 7th International Conference on Advanced Technologies for Communications, ATC 2014, 15 October 2014 through 17 October 2014.

Trung, L.T. and Dinh, N.Q. (2015) A proposal of a compact Ultra-Wide Band antenna works as a magnetic dipole. In: 2014 7th International Conference on Advanced Technologies for Communications, ATC 2014, 15 October 2014 through 17 October 2014.

Huong, N.T. and Trung, L.T. and Dinh, N.Q. (2014) Proposal of two ultra-wide band antennas for UWB-MIMO. In: 2013 3rd World Congress on Information and Communication Technologies, WICT 2013, 15 December 2013 through 18 December 2013.

Le, D.T. and Dinh, N.Q. and Karasawa, Y. (2014) A new scheme to enhance bandwidth of printed dipole for wideband applications. IEICE Transactions on Communications, E97-B (4). pp. 773-782. ISSN 9168516

Mouri, K. and Michishita, N. and Yamada, Y. and Dinh, N.Q. (2013) Calculation of stored electromagnetic powers and Q factors of very small normal-mode helical antennas. In: 2013 International Conference on Advanced Technologies for Communications, ATC 2013, 16 October 2013 through 18 October 2013, Ho Chi Minh.

Trung, L.T. and Dinh, N.Q. and Thuyen, H.D. (2013) A design of compact ultra-wide band antenna. In: 2013 International Conference on Advanced Technologies for Communications, ATC 2013, 16 October 2013 through 18 October 2013, Ho Chi Minh.

Anh, H.Q. and Dinh, N.Q. and Trinh, D.Q. (2013) A method to miniaturize antenna structure for the 3G mobile device. In: 2013 International Conference on Advanced Technologies for Communications, ATC 2013, 16 October 2013 through 18 October 2013, Ho Chi Minh.

Dinh, N.Q. (2012) A design of very small normal mode helical antenna for wireless communication systems. In: 2012 5th International Conference on Advanced Technologies for Communications, ATC 2012, 10 October 2012 through 12 October 2012, Hanoi.