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Author

  • Ramesh Pokharel
Article

High-Q SWCPL for CMOS millimeter-wave technology

Mat, D. A. A., Pokharel, R., Sapawi, R., Kanaya, H. & Yoshida, K., Aug 24 2012, In : IEICE Electronics Express. 9, 15, p. 1284-1289 6 p.

Research output: Contribution to journalArticle

1 Citation (Scopus)

Improved gain 60GHz CMOS antenna with N-well grid

Barakat, A., Allam, A., Elsadek, H., Abdel-Rahman, A. B., Pokharel, R. K. & Kaho, T., Feb 19 2016, In : IEICE Electronics Express. 13, 5, 20151115.

Research output: Contribution to journalArticle

2 Citations (Scopus)

Independent Matching Dual-Band Compact Quarter-Wave Half-Slot Antenna for Millimeter-Wave Applications

Aboualalaa, M., Mansour, I., Elsadek, H., Abdel-Rahman, A. B., Allam, A., Abo-Zahhad, M., Yoshitomi, K. & Pokharel, R. K., Jan 1 2019, In : IEEE Access. 7, p. 130782-130790 9 p., 8831375.

Research output: Contribution to journalArticle

Open Access

Linearity improvement of 5.2-GHz CMOS up-conversion mixer for wireless applications

Murad, S. A. Z., Shahimin, M. M., Pokharel, R. K., Kanaya, H. & Yoshida, K., Apr 1 2012, In : Microwave and Optical Technology Letters. 54, 4, p. 923-925 3 p.

Research output: Contribution to journalArticle

11 Citations (Scopus)

Low group delay 3.1-10.6 GHz CMOS power amplifier for UWB applications

Sapawi, R., Pokharel, R. K., Murad, S. A. Z., Anand, A., Koirala, N., Kanaya, H. & Yoshida, K., Jan 1 2012, In : IEEE Microwave and Wireless Components Letters. 22, 1, p. 41-43 3 p., 6108314.

Research output: Contribution to journalArticle

28 Citations (Scopus)

Low-phase-noise, high switching speed digitally controlled ring oscillator in 0.18μm complementary metal oxide semiconductor

Tomar, A., Lingala, S., Pokharel, R. K., Kanaya, H. & Yoshida, K., Apr 1 2011, In : Japanese journal of applied physics. 50, 4 PART 2, 04DE10.

Research output: Contribution to journalArticle

3 Citations (Scopus)

Low phase noise 14-bit digitally controlled CMOS quadrature ring oscillator

Pokharel, R., Nugroho, P., Anand, A., Tomar, A., Kanaya, H. & Yoshida, K., Feb 2013, In : IEICE Transactions on Electronics. E96-C, 2, p. 262-269 8 p.

Research output: Contribution to journalArticle

Magnetic properties of nanostructured Fe-Co alloys

Rizal, C., Kolthammer, J., Pokharel, R. K. & Choi, B. C., Mar 21 2013, In : Journal of Applied Physics. 113, 11, 113905.

Research output: Contribution to journalArticle

15 Citations (Scopus)

Miniaturized low loss 60 GHz CMOS mixed coupled BPF with patterned ground shield

Barakat, A., Hanif, M. & Pokharel, R. K., Mar 1 2016, In : Microwave and Optical Technology Letters. 58, 3, p. 697-699 3 p.

Research output: Contribution to journalArticle

3 Citations (Scopus)

Modeling, simulation, and fabrication of bi-directional mode-division multiplexing for silicon-on-insulator platform

Nawwar, O. M., Shalaby, H. M. H. & Pokharel, R. K., Jan 1 2018, In : Applied Optics. 57, 1, p. 42-51 10 p.

Research output: Contribution to journalArticle

9 Citations (Scopus)

Monolithic integration of BST thin film varactors and Au electroplated thick film inductors above IC

Asano, S., Pokharel, R., Anand, A., Hirano, H. & Tanaka, S., Aug 1 2015, In : IEEJ Transactions on Sensors and Micromachines. 135, 8, p. 323-329 7 p.

Research output: Contribution to journalArticle

1 Citation (Scopus)
5 Citations (Scopus)

Optical Code-Division Multiplexing (OCDM) Networks Adopting Code-Shift Keying/Overlapping PPM Signaling: Proposal and Performance Analysis

Farghal, A. E., Shalaby, H. M. H., Kato, K. & Pokharel, R. K., Oct 2015, In : IEEE Transactions on Communications. 63, 10, p. 3779-3788 10 p., 7192599.

Research output: Contribution to journalArticle

3 Citations (Scopus)

Performance Analysis of Multicode OCDM Networks Supporting Elastic Transmission With QoS Differentiation

Farghal, A. E. A., Shalaby, H. M. H., Kato, K. & Pokharel, R. K., Feb 1 2016, In : IEEE Transactions on Communications. 64, 2, p. 741-752 12 p., 7368162.

Research output: Contribution to journalArticle

5 Citations (Scopus)

Performance enhancement of 60 GHz CMOS band pass filter employing oxide height virtual increase

Mahmoud, N., Barakat, A., Nasr, M. E. & Pokharel, R. K., Jan 1 2019, In : Progress In Electromagnetics Research M. 77, p. 125-134 10 p.

Research output: Contribution to journalArticle

Photonic crystal-based compact hybrid WDM/MDM (De)multiplexer for SOI platforms

Nawwar, O. M., Shalaby, H. M. H. & Pokharel, R. K., Sep 1 2018, In : Optics Letters. 43, 17, p. 4176-4179 4 p.

Research output: Contribution to journalArticle

8 Citations (Scopus)
2 Citations (Scopus)

Reconfigurable band-notched slot antenna using short circuited quarter wavelength microstrip resonators

Atallah, H. A., Abdel-Rahman, A. B., Yoshitomi, K. & Pokharel, R. K., Jan 1 2016, In : Progress In Electromagnetics Research C. 68, p. 119-127 9 p.

Research output: Contribution to journalArticle

Open Access
7 Citations (Scopus)

Separation-Misalignment Insensitive WPT System Using Two-Plane Printed Inductors

Alshhawy, S., Barakat, A., Yoshitomi, K. & Pokharel, R. K., Oct 2019, In : IEEE Microwave and Wireless Components Letters. 29, 10, p. 683-686 4 p., 8821558.

Research output: Contribution to journalArticle

Sixty-GHz on-chip bandpass filter designed with multiple split ring resonators

Mat, D. A. A., Pokharel, R. K., Sapawi, R., Kanaya, H. & Yoshida, K., May 1 2013, In : Microwave and Optical Technology Letters. 55, 5, p. 1182-1185 4 p.

Research output: Contribution to journalArticle

Strain-induced magnetoresistance and magnetic anisotropy properties of Co/Cu multilayers

Rizal, C., Gyawali, P., Kshattry, I. & Pokharel, R. K., Apr 1 2012, In : Journal of Applied Physics. 111, 7, 07C107.

Research output: Contribution to journalArticle

11 Citations (Scopus)

Systematic design methodology of a wideband multibit continuous-time delta-sigma modulator

Anand, A., Koirala, N., Pokharel, R., Kanaya, H. & Yoshida, K., Apr 3 2013, In : International Journal of Microwave Science and Technology. 275289.

Research output: Contribution to journalArticle

1 Citation (Scopus)

The methods of maintaining low frequency stability in FBAR based cross-coupled VCO design

Zhang, G., Kochhar, A., Yoshida, K., Tanaka, S., Hashimoto, K., Esashi, M. & Pokharel, R. K., 2013, In : IEICE Electronics Express. 10, 12, 20130296.

Research output: Contribution to journalArticle

2 Citations (Scopus)
5 Citations (Scopus)

Ultracompact 60-GHz CMOS BPF Employing Broadside-Coupled Open-Loop Resonators

El-Hameed, A. S. A., Barakat, A., Abdel-Rahman, A. B., Allam, A. & Pokharel, R. K., Sep 2017, In : IEEE Microwave and Wireless Components Letters. 27, 9, p. 818-820 3 p., 8010799.

Research output: Contribution to journalArticle

13 Citations (Scopus)

Ultracompact CMOS 60-GHz Tapped-Line Combline BPF with Two Transmission Zeros Using Defected Ground Structures

Elsaidy, E., Barakat, A., Abdel-Rahman, A. B., Allam, A. & Pokharel, R. K., Sep 2018, In : IEEE Transactions on Components, Packaging and Manufacturing Technology. 8, 9, p. 1642-1649 8 p., 8423676.

Research output: Contribution to journalArticle

1 Citation (Scopus)
Conference article

A DC-2.5 GHz high linearity CMOS attenuator in a 0.18μm technology

Abdalla, I. L., Jia, H. & Pokharel, R. K., Jan 1 2018, In : Procedia Manufacturing. 22, p. 591-597 7 p.

Research output: Contribution to journalConference article

Compact mode-division de(multiplexer) with anti-reflection grating for optical interconnects

Nawwar, O. M., Shalaby, H. M. H. & Pokharel, R. K., Jan 1 2016, In : Asia Communications and Photonics Conference, ACP.

Research output: Contribution to journalConference article

2 Citations (Scopus)

Novel compact UWB monopole RDRA for cognitive radio spectrum sensing applications

Atallah, H. A., Abdel-Rahman, A. B., Yoshitomi, K. & Pokharel, R., Feb 5 2015, In : IEEE International Conference on Consumer Electronics - Berlin, ICCE-Berlin. 2015-February, February, p. 462-466 5 p., 7034290.

Research output: Contribution to journalConference article

Conference contribution

2 × 2 slot dipole array antenna with CPW for 2.4GHz band

Iizasa, N., Yoshitomi, K., Pokharel, R. & Kanaya, H., Jan 28 2015, ISAP 2014 - 2014 International Symposium on Antennas and Propagation, Conference Proceedings. Institute of Electrical and Electronics Engineers Inc., p. 603-604 2 p. 7026795

Research output: Chapter in Book/Report/Conference proceedingConference contribution

1 Citation (Scopus)

3.6 GHz highly monotonic digitally controlled oscillator for all-digital phase locked loop

Pokharel, R. K., Tomar, A., Kanaya, H. & Yoshida, K., Sep 7 2011, 2011 IEEE MTT-S International Microwave Symposium, IMS 2011. 5972617. (IEEE MTT-S International Microwave Symposium Digest).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

3 Citations (Scopus)

45% RF-to-DC Conversion Efficiency Wireless Power Transfer System Through Biological Tissues Using Complex Conjugate Impedance Matching Taking Account of Tissue's Properties

Chalise, S., Nakao, M., Tahar, F., Barakat, A., Yoshitomi, K. & Pokharel, R. K., Jun 2019, 2019 IEEE MTT-S International Microwave Symposium, IMS 2019. Institute of Electrical and Electronics Engineers Inc., p. 1419-1422 4 p. 8700821. (IEEE MTT-S International Microwave Symposium Digest; vol. 2019-June).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

5.0 to 10.6 GHz 0.18 μm CMOS power amplifier with excellent group delay for UWB applications

Mosalam, H., Allam, A., Jia, H., Abdelrahman, A., Kaho, T. & Pokharel, R., Jul 24 2015, 2015 IEEE MTT-S International Microwave Symposium, IMS 2015. Institute of Electrical and Electronics Engineers Inc., 7167082. (2015 IEEE MTT-S International Microwave Symposium, IMS 2015).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

9 Citations (Scopus)

60GHz-band low loss on-chip band pass filter with patterned ground shields for millimeter wave CMOS SoC

Pokharel, R. K., Liu, X., Dong, R., Dayang, A. B. A., Kanaya, H. & Yoshida, K., Sep 7 2011, 2011 IEEE MTT-S International Microwave Symposium, IMS 2011. 5972789. (IEEE MTT-S International Microwave Symposium Digest).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

17 Citations (Scopus)

60GHz-band on-chip Marchand Balun designed on flat and patterned ground shields for milimeter-wave 0.18μm CMOS technology

Mat, D. A. A., Pokharel, R. K., Sapawi, R., Kanaya, H. & Yoshida, K., Dec 1 2011, Asia-Pacific Microwave Conference Proceedings, APMC 2011. p. 884-887 4 p. 6173893. (Asia-Pacific Microwave Conference Proceedings, APMC).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

6 Citations (Scopus)

60 GHz triangular monopole Antenna-on-Chip over an Artificial Magnetic Conductor

Barakat, A., Allam, A., Pokharel, R. K., Elsadek, H., El-Sayed, M. & Yoshida, K., Jul 2 2012, Proceedings of 6th European Conference on Antennas and Propagation, EuCAP 2012. p. 972-976 5 p. 6206127. (Proceedings of 6th European Conference on Antennas and Propagation, EuCAP 2012).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

5 Citations (Scopus)

70% Improvement in Q-factor of spiral inductor and its application in switched K-band VCO using 0.18 um CMOS technology

Mansour, I., Mansour, M., Aboualalaa, M., Allam, A., Abdel-Rahman, A. B., Abo-Zahhad, M. & Pokharel, R. K., Jan 16 2019, 2018 Asia-Pacific Microwave Conference, APMC 2018 - Proceedings. Institute of Electrical and Electronics Engineers Inc., p. 1133-1135 3 p. 8617138. (Asia-Pacific Microwave Conference Proceedings, APMC; vol. 2018-November).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

A 0.18 μm CMOS current reuse ultra-wideband low noise amplifier (UWB-LNA) with minimized group delay variations

Yousef, K., Jia, H., Pokharel, R., Allam, A., Ragab, M. & Kanaya, H., Dec 15 2014, European Microwave Week 2014: Connecting the Future, EuMW 2014 - Conference Proceedings; EuMC 2014: 44th European Microwave Conference. Institute of Electrical and Electronics Engineers Inc., p. 1392-1395 4 p. 6986705. (European Microwave Week 2014: Connecting the Future, EuMW 2014 - Conference Proceedings; EuMC 2014: 44th European Microwave Conference).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

5 Citations (Scopus)

A 0.18 μm CMOS current reuse ultra-wideband low noise amplifier (UWB-LNA) with minimized group delay variations

Yousef, K., Jia, H., Pokharel, R., Allam, A., Ragab, M. & Kanaya, H., Dec 23 2014, European Microwave Week 2014: "Connecting the Future", EuMW 2014 - Conference Proceedings; EuMIC 2014: 9th European Microwave Integrated Circuits Conference. Institute of Electrical and Electronics Engineers Inc., p. 448-451 4 p. 6997889. (European Microwave Week 2014: "Connecting the Future", EuMW 2014 - Conference Proceedings; EuMIC 2014: 9th European Microwave Integrated Circuits Conference).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

7 Citations (Scopus)

A 1.9 GHz low phase noise complementary cross-coupled FBAR-VCO in 0.18 μm CMOS technology

Zhang, G., Anand, A., Kamada, K., Amalina, S., Kanaya, H., Pokharel, R. K., Hikichi, K., Tanaka, S., Esashi, M., Hashimoto, K. Y. & Taniguchi, S., Dec 23 2014, European Microwave Week 2014: "Connecting the Future", EuMW 2014 - Conference Proceedings; EuMIC 2014: 9th European Microwave Integrated Circuits Conference. Institute of Electrical and Electronics Engineers Inc., p. 253-256 4 p. 6997840. (European Microwave Week 2014: "Connecting the Future", EuMW 2014 - Conference Proceedings; EuMIC 2014: 9th European Microwave Integrated Circuits Conference).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

3 Citations (Scopus)

A 2-16 GHz CMOS current reuse cascaded ultra-wideband low noise amplifier

Yousef, K., Jia, H., Pokharel, R., Allam, A., Ragab, M. & Yoshida, K., Jul 11 2011, Saudi International Electronics, Communications and Photonics Conference 2011, SIECPC 2011. 5876910. (Saudi International Electronics, Communications and Photonics Conference 2011, SIECPC 2011).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

9 Citations (Scopus)

A 3.1-6.0 GHz CMOS UWB power amplifier with good linearity and group delay variation

Sapawi, R., Pokharel, R. K., Mat, D. A. A., Kanaya, H. & Yoshida, K., Dec 1 2011, Asia-Pacific Microwave Conference Proceedings, APMC 2011. p. 9-12 4 p. 6173672. (Asia-Pacific Microwave Conference Proceedings, APMC).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

13 Citations (Scopus)

A 5-9 GHz CMOS Ultra-wideband power amplifier design using load-pull

Mosalam, H., Allam, A., Jia, H., Pokharel, R., Ragab, M. & Yoshida, K., Jan 1 2013, 2013 IEEE 20th International Conference on Electronics, Circuits, and Systems, ICECS 2013. Institute of Electrical and Electronics Engineers Inc., p. 13-16 4 p. 6815333. (Proceedings of the IEEE International Conference on Electronics, Circuits, and Systems).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

4 Citations (Scopus)

A 5-GHz fully integrated CMOS class-E power amplifier using self-biasing technique with cascaded class-D drivers

Yamashita, Y., Kanemoto, D., Kanaya, H., Pokharel, R. & Yoshida, K., 2012, Proceedings of the 2012 IEEE International Symposium on Radio-Frequency Integration Technology, RFIT 2012. p. 237-239 3 p. 6401672

Research output: Chapter in Book/Report/Conference proceedingConference contribution

13 Citations (Scopus)

A60-GHz double-Y balun-fed on-chip Vivaldi antenna with improved gain

El-Hameed, A. S. A., Barakat, A., Abdel-Rahman, A. B., Allam, A. & Pokharel, R., Mar 21 2016, 2015 27th International Conference on Microelectronics, ICM 2015. Institute of Electrical and Electronics Engineers Inc., p. 307-310 4 p. 7438050. (Proceedings of the International Conference on Microelectronics, ICM; vol. 2016-March).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

1 Citation (Scopus)

A 60-GHz on-chip tapered slot Vivaldi antenna with improved radiation characteristics

El-Hameed, A. S. A., Mahmoud, N., Barakat, A., Abdel-Rahman, A. B., Allam, A. & Pokharel, R. K., May 31 2016, 2016 10th European Conference on Antennas and Propagation, EuCAP 2016. Institute of Electrical and Electronics Engineers Inc., 7481426. (2016 10th European Conference on Antennas and Propagation, EuCAP 2016).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

7 Citations (Scopus)

A 6-10.6 GHz CMOS PA with common-gate as an input stage for UWB transmitters

Murad, S. A. Z., Shahimim, M. M., Pokharel, R. K., Kanaya, H. & Yoshida, K., Dec 1 2011, TENCON 2011 - 2011 IEEE Region 10 Conference: Trends and Development in Converging Technology Towards 2020. p. 607-610 4 p. 6129177. (IEEE Region 10 Annual International Conference, Proceedings/TENCON).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

7 Citations (Scopus)

A broadband high linearity inductorless CMOS variable gain amplifier for square kilometer array

Abdalla, I. L., Allam, A., Jia, H. & Pokharel, R., Oct 19 2015, 2015 International Conference on Synthesis, Modeling, Analysis and Simulation Methods and Applications to Circuit Design, SMACD 2015. Institute of Electrical and Electronics Engineers Inc., 7301683. (2015 International Conference on Synthesis, Modeling, Analysis and Simulation Methods and Applications to Circuit Design, SMACD 2015).

Research output: Chapter in Book/Report/Conference proceedingConference contribution