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Author

  • Ramesh Pokharel
1 Citation (Scopus)

Design of dual band-notched CPW-fed UWB planar monopole antenna using microstrip resonators

Atallah, H. A., Abdel-Rahman, A. B., Yoshitomi, K. & Pokharel, R. K., Jan 1 2016, In : Progress in Electromagnetics Research Letters. 59, p. 51-56 6 p.

Research output: Contribution to journalArticle

Open Access
17 Citations (Scopus)

Design of frequency tunable CPW-Fed UWB antenna using varactor diodes for cognitive radio and future software defined radio

Atallah, H. A., Abdel-Rahman, A. B., Yoshitomi, K., Hekal, S. & Pokharel, R. K., Jun 1 2016, 2016 IEEE 17th Annual Wireless and Microwave Technology Conference, WAMICON 2016. Institute of Electrical and Electronics Engineers Inc., 7483838. (2016 IEEE 17th Annual Wireless and Microwave Technology Conference, WAMICON 2016).

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

2 Citations (Scopus)

Design of Low-Loss Coplanar Transmission Lines Using Distributed Loading for Millimeter-Wave Power Divider/Combiner Applications in 0.18-μm CMOS Technology

Abd El-Hameed, A. S., Barakat, A., Abdel-Rahman, A. B., Allam, A. & Pokharel, R. K., Dec 2018, In : IEEE Transactions on Microwave Theory and Techniques. 66, 12, p. 5221-5229 9 p., 8506598.

Research output: Contribution to journalArticle

2 Citations (Scopus)

Design of miniaturized reconfigurable slot antenna using varactor diodes for cognitive radio systems

Atallah, H. A., Abdel-Rahman, A. B., Yoshitomi, K. & Pokharel, R. K., Jul 21 2016, Proceedings of the 2016 4th International Japan-Egypt Conference on Electronic, Communication and Computers, JEC-ECC 2016. Institute of Electrical and Electronics Engineers Inc., p. 63-66 4 p. 7518968. (Proceedings of the 2016 4th International Japan-Egypt Conference on Electronic, Communication and Computers, JEC-ECC 2016).

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

2 Citations (Scopus)

Design of multi-layers DGS resonator for phase noise improvement of K-Band VCOs in 0.18 µm CMOS technology

Mansour, I., Aboualalaa, M., Jahan, N., Barakat, A., Pokharel, R. K., Allam, A., Abdel-Rahman, A. B. & Abo-Zahhad, M., Jan 22 2019, 2018 IEEE 61st International Midwest Symposium on Circuits and Systems, MWSCAS 2018. Institute of Electrical and Electronics Engineers Inc., p. 178-181 4 p. 8623874. (Midwest Symposium on Circuits and Systems; vol. 2018-August).

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

Development of 13 bit digitally controlled oscillator using fibonacci sequence in 0.18 um CMOS process

Ishihara, M., Pokharel, R. K., Tomar, A., Kanemoto, D., Kanaya, H. & Yoshida, K., Dec 1 2011, Asia-Pacific Microwave Conference Proceedings, APMC 2011. p. 1634-1637 4 p. 6174080. (Asia-Pacific Microwave Conference Proceedings, APMC).

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

Development of 2.4GHz one-sided directional slot antenna with 2-stage bandpass filter

Kanaya, H., Kato, M., Kanemoto, D., Yoshida, K., Pokharel, R. & Yoshitomi, K., Dec 10 2012, 2012 IEEE International Symposiumon Antennas and Propagation, APSURSI 2012 - Proceedings. 6348858

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

1 Citation (Scopus)

Development of 900MHz band one-sided directional antenna on flexible substrate

Hirabaru, T., Kanaya, H., Kanemoto, D., Yoshida, K., Pokharel, R. & Yoshitomi, K., Nov 1 2011, 2011 IEEE International Symposium on Antennas and Propagation - Proceedings. p. 1008-1011 4 p. 5996449

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

5 Citations (Scopus)

Development of a rectenna for batteryless electronic paper

Tsukamoto, S., Iizasa, N., Yoshitomi, K., Pokharel, R., Yoshida, K., Hattori, R., Kanaya, H. & Kanemoto, D., Dec 1 2013, 2013 IEEE International Conference of IEEE Region 10, IEEE TENCON 2013 - Conference Proceedings. 6718449. (IEEE Region 10 Annual International Conference, Proceedings/TENCON).

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

6 Citations (Scopus)

Development of dual band digitally controlled oscillator using Fibonacci sequence in 0.18 um CMOS process

Miyahara, K., Kanemoto, D., Pokharel, R. K., Yoshida, K. & Kanaya, H., 2013, 2013 IEEE International Conference of IEEE Region 10, IEEE TENCON 2013 - Conference Proceedings. 6718451. (IEEE Region 10 Annual International Conference, Proceedings/TENCON).

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

Development of dual band miniaturized slot antenna with 2-stage bandpass filter

Kanaya, H., Hayakawa, K., Nagata, Y., Kanemoto, D., Yoshida, K., Pokharel, R., Yoshitomi, K., Ishikawa, A., Fukagawa, S. & Tahira, A., Nov 1 2011, 2011 IEEE International Symposium on Antennas and Propagation - Proceedings. p. 2761-2764 4 p. 5997098

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

6 Citations (Scopus)
6 Citations (Scopus)

Development of low phase noise digitally controlled CMOS ring oscillator with quadrature outputs

Nugroho, P., Pokharel, R. K., Anand, A., Tomar, A., Kanaya, H. & Yoshida, K., Jun 1 2012, In : Microwave and Optical Technology Letters. 54, 6, p. 1479-1483 5 p.

Research output: Contribution to journalArticle

Development of low phase noise quadrature output digitally controlled CMOS ring oscillator

Nugroho, P., Pokharel, R., Anand, A., Tomar, A., Kanaya, H. & Yoshida, K., Dec 1 2011, Asia-Pacific Microwave Conference Proceedings, APMC 2011. p. 255-258 4 p. 6173734. (Asia-Pacific Microwave Conference Proceedings, APMC).

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

1 Citation (Scopus)

Development of one-sided directional printed slot antenna for high-band UWB systems

Ijiguchi, S., Kanaya, H., Kanemoto, D., Yoshida, K., Pokharel, R. K., Yoshitomi, K., Ishikawa, A., Fukagawa, S. & Tahira, A., Nov 1 2011, 2011 IEEE International Symposium on Antennas and Propagation - Proceedings. p. 1474-1477 4 p. 5996573. (IEEE Antennas and Propagation Society, AP-S International Symposium (Digest)).

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

7 Citations (Scopus)

Digitally controlled CMOS quadrature ring oscillator with improved FoM for GHz range all-digital phase-locked loop applications

Pokharel, R. K., Nugroho, P., Anand, A., Kanaya, K. & Yoshida, K., Oct 3 2012, IMS 2012 - 2012 IEEE MTT-S International Microwave Symposium. 6259730. (IEEE MTT-S International Microwave Symposium Digest).

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

7 Citations (Scopus)

Digitally controlled ring oscillator using fraction-based series optimization for inductorless reconfigurable all-digital PLL

Pokharel, R. K., Hamada, S., Tomar, A., Lingala, S., Nugroho, P., Kanaya, H. & Yoshida, K., Mar 25 2011, 2011 IEEE 11th Topical Meeting on Silicon Monolithic Integrated Circuits in RF Systems, SiRF 2011 - Digest of Papers. p. 69-72 4 p. 5719321. (2011 IEEE 11th Topical Meeting on Silicon Monolithic Integrated Circuits in RF Systems, SiRF 2011 - Digest of Papers).

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

4 Citations (Scopus)

Dual-Band Defected Ground Structure Resonators Wireless Power Transfer System Connected to Voltage-Doubler Circuit

Tahar, F., Chalise, S., Barakat, A., Yoshitomi, K. & Pokharel, R. K., May 9 2019, 2019 IEEE Topical Conference on Wireless Sensors and Sensor Networks, WiSNet 2019. Institute of Electrical and Electronics Engineers Inc., 8711815. (2019 IEEE Topical Conference on Wireless Sensors and Sensor Networks, WiSNet 2019).

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

Dual-Band Defected Ground Structures Wireless Power Transfer System With Independent External and Inter-Resonator Coupling

Tahar, F., Barakat, A., Saad, R., Yoshitomi, K. & Pokharel, R. K., Dec 2017, In : IEEE Transactions on Circuits and Systems II: Express Briefs. 64, 12, p. 1372-1376 5 p., 8010857.

Research output: Contribution to journalArticle

18 Citations (Scopus)

Dual-band Rectenna Using Voltage Doubler Rectifier and Four-Section Matching Network

Aboualalaa, M., Mansour, I., Mansour, M., Bedair, A., Allam, A., Abo-Zahhad, M., Elsadek, H., Yoshitomi, K. & Pokharel, R. K., Feb 11 2019, 2018 IEEE Wireless Power Transfer Conference, WPTC 2018. Institute of Electrical and Electronics Engineers Inc., 8639451. (2018 IEEE Wireless Power Transfer Conference, WPTC 2018).

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

2 Citations (Scopus)

Dual Band VCO Based on a High-Quality Factor Switched Interdigital Resonator for the Ku Band Using 180-nm CMOS Technology

Mansour, I., Aboualalaa, M., Allam, A., Abdel-Rahman, A. B., Abo-Zahhad, M. & Pokharel, R. K., Dec 2018, In : IEEE Transactions on Circuits and Systems II: Express Briefs. 65, 12, p. 1874-1878 5 p., 8320300.

Research output: Contribution to journalArticle

3 Citations (Scopus)

Dual Resonance Circuits by Defected Ground Structure Resonators for Low Phase Noise K-Band CMOS VCO

Pokharel, R. K., Jahan, N. & Barakat, A., Nov 5 2018, 2018 IEEE International Symposium on Radio-Frequency Integration Technology, RFIT 2018. Institute of Electrical and Electronics Engineers Inc., 8524088. (2018 IEEE International Symposium on Radio-Frequency Integration Technology, RFIT 2018).

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

Dynamic threshold compensated, low voltage CMOS energy harvesting rectifier for UHF applications

Mahmoud, M., Abdel-Rahman, A. B., Fahmy, G. A., Allam, A., Jia, H. & Pokharel, R. K., Jul 2 2016, 2016 IEEE 59th International Midwest Symposium on Circuits and Systems, MWSCAS 2016. Institute of Electrical and Electronics Engineers Inc., 7870052. (Midwest Symposium on Circuits and Systems; vol. 0).

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

6 Citations (Scopus)

Effect of strain on magnetoresistance and magnetic properties of Co (t Co)/Ag nanostructures

Rizal, C., Gyawali, P., Kshattry, I., Ueda, Y. & Pokharel, R., 2011, 2011 IEEE Nanotechnology Materials and Devices Conference, NMDC 2011. p. 120-124 5 p. 6155324

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

Energy harvesting circuit on a one-sided directional flexible antenna

Kanaya, H., Tsukamaoto, S., Hirabaru, T., Kanemoto, D., Pokharel, R. K. & Yoshida, K., Feb 28 2013, In : IEEE Microwave and Wireless Components Letters. 23, 3, p. 164-166 3 p., 6468126.

Research output: Contribution to journalArticle

59 Citations (Scopus)

Enhancing Dynamic Range of RF-to-DC Rectifier using Leakage Current Reduction Technique

Mahmoud, M., Fahmy, G., Abdel-Rahman, A. B., Allam, A., Abo-Zahhad, M., Jia, H. & Pokharel, R. K., Dec 2019, Proceedings of the International Japan-Africa Conference on Electronics, Communications and Computations, JAC-ECC 2019. Institute of Electrical and Electronics Engineers Inc., p. 58-62 5 p. 9051316. (Proceedings of the International Japan-Africa Conference on Electronics, Communications and Computations, JAC-ECC 2019).

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

Evaluation of nonlinear interference in few-mode fiber using the gaussian noise model

El-Fiqi, A. E., Ismail, A., El-Sahn, Z. A., Shalaby, H. M. H. & Pokharel, R. K., May 4 2015, CLEO: Applications and Technology, CLEO-AT 2015. Optical Society of America (OSA), JTh2A.53. (CLEO: Applications and Technology, CLEO-AT 2015).

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

1 Citation (Scopus)

Evaluation of nonlinear interference in few-mode fiber using the Gaussian noise model

El-Fiqi, A. E., Ismail, A., El-Sahn, Z. A., Shalaby, H. M. H. & Pokharel, R. K., Aug 10 2015, 2015 Conference on Lasers and Electro-Optics, CLEO 2015. Institute of Electrical and Electronics Engineers Inc., 7183457. (Conference on Lasers and Electro-Optics Europe - Technical Digest; vol. 2015-August).

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

Experimental study of the effect of interconnects on phase noise of K-band VCO in 0.18μm CMOS technology

Chen, B., Jahan, N., Barakat, A. & Pokharel, R. K., Dec 2019, Proceedings of the 2019 IEEE Asia-Pacific Microwave Conference, APMC 2019. Institute of Electrical and Electronics Engineers Inc., p. 1670-1672 3 p. 9038781. (Asia-Pacific Microwave Conference Proceedings, APMC; vol. 2019-December).

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

Feedforward charge injection technique in a continuous time delta-sigma modulator

Anand, A., Kanemoto, D., Fahmy, G. A., Pokharel, R., Kanaya, H. & Yoshida, K., 2012, IEEE TENCON 2012: Sustainable Development Through Humanitarian Technology. 6412256

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

First-Order Mode Compact Focusing Grating Coupler for SOI Interconnect

Nawwar, O. M., Shalaby, H. M. H. & Pokharel, R. K., Sep 5 2018, IEEE Photonics Society Summer Topicals Meeting Series, SUM 2018. Institute of Electrical and Electronics Engineers Inc., p. 119-120 2 p. 8456732. (IEEE Photonics Society Summer Topicals Meeting Series, SUM 2018).

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

1 Citation (Scopus)

Flicker noise reduction in RF CMOS mixer using differential active inductor

Abdelghany, M. A., Pokharel, R. K., Kanaya, H. & Yoshida, K., Nov 1 2011, In : Microwave and Optical Technology Letters. 53, 11, p. 2553-2556 4 p.

Research output: Contribution to journalArticle

1 Citation (Scopus)

General silicon-on-insulator higher-order mode converter based on substrip dielectric waveguides

Abu-Elmaaty, B. E., Sayed, M. S., Pokharel, R. K. & Shalaby, H. M. H., Mar 1 2019, In : Applied Optics. 58, 7, p. 1763-1771 9 p.

Research output: Contribution to journalArticle

7 Citations (Scopus)

High Efficiency and Small Group Delay Variations 0.18-μ m CMOS UWB Power Amplifier

Mosalam, H., Allam, A., Jia, H., Abdel-Rahman, A. B. & Pokharel, R. K., Apr 2019, In : IEEE Transactions on Circuits and Systems II: Express Briefs. 66, 4, p. 592-596 5 p., 8464178.

Research output: Contribution to journalArticle

3 Citations (Scopus)

High-Efficiency CMOS RF-to-DC Rectifier Based on Dynamic Threshold Reduction Technique for Wireless Charging Applications

Mohamed, M. M., Fahmy, G. A., Abdel-Rahman, A. B., Allam, A., Barakat, A., Abo-Zahhad, M., Jia, H. & Pokharel, R. K., Aug 21 2018, In : IEEE Access. 6, p. 46826-46832 7 p., 8443341.

Research output: Contribution to journalArticle

9 Citations (Scopus)

High efficiency wireless power transfer system using spiral DGS resonators through biological tissues

Chalise, S., Tahar, F., Saad, M. R., Baraket, A., Yoshitomi, K. & Pokharel, R. K., Aug 7 2018, IMBioc 2018 - 2018 IEEE/MTT-S International Microwave Biomedical Conference. Institute of Electrical and Electronics Engineers Inc., p. 43-45 3 p. 8428951. (IMBioc 2018 - 2018 IEEE/MTT-S International Microwave Biomedical Conference).

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

2 Citations (Scopus)

High efficient impedance matching circuit of power amplifier combined with antenna

Nakamura, S., Pokharel, R. K., Yoshida, K., Kanaya, H. & Kanemoto, D., Oct 10 2014, Proceedings, APWiMob 2014: IEEE Asia Pacific Conference on Wireless and Mobile 2014. Institute of Electrical and Electronics Engineers Inc., p. 84-87 4 p. 6920283. (Proceedings, APWiMob 2014: IEEE Asia Pacific Conference on Wireless and Mobile 2014).

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

2 Citations (Scopus)

High FOM Dual Band Wireless Power Transfer using Bow-tie Defected Ground Structure Resonators

Saad, M. R., Tahar, F., Chalise, S., Barakat, A., Yoshitomi, K. & Pokharel, R. K., Feb 11 2019, 2018 IEEE Wireless Power Transfer Conference, WPTC 2018. Institute of Electrical and Electronics Engineers Inc., 8639134. (2018 IEEE Wireless Power Transfer Conference, WPTC 2018).

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

2 Citations (Scopus)

High gain 4 × 4 slot dipole antenna array in the 5GHz band

Iizasa, N., Pokharel, R., Kanaya, H. & Yoshitomi, K., Dec 18 2014, Proceedings of 3rd Asia-Pacific Conference on Antennas and Propagation, APCAP 2014. Institute of Electrical and Electronics Engineers Inc., p. 197-200 4 p. 6992451. (Proceedings of 3rd Asia-Pacific Conference on Antennas and Propagation, APCAP 2014).

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

13 Citations (Scopus)

High linearity technique for ultra-wideband low noise amplifier in 0.18 μm CMOS technology

Galal, A. I. A., Pokharel, R., Kanaya, H. & Yoshida, K., Jan 1 2012, In : AEU - International Journal of Electronics and Communications. 66, 1, p. 12-17 6 p.

Research output: Contribution to journalArticle

13 Citations (Scopus)

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)

Improving linearity of a 5.2 GHz low power mixer in 0.18μm CMOS process by using Derivative Superposition method

Masumoto, T., Kanemoto, D., Kanaya, H., Pokharel, R. & Yoshida, K., Dec 1 2012, 2012 Asia-Pacific Microwave Conference, APMC 2012 - Proceedings. p. 157-159 3 p. 6421531. (Asia-Pacific Microwave Conference Proceedings, APMC).

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

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
1 Citation (Scopus)

K band low power voltage controlled oscillator using 180 nm CMOS technology with a new high quality inductor

Mansour, I., Mosalam, H., Allam, A., Abdel-Rahman, A. B. & Pokharel, R. K., Dec 16 2016, 2016 IEEE International Conference on Ubiquitous Wireless Broadband, ICUWB 2016. Institute of Electrical and Electronics Engineers Inc., 7790505. (2016 IEEE International Conference on Ubiquitous Wireless Broadband, ICUWB 2016).

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

6 Citations (Scopus)

Ku-band oscillator using integrated defected ground structure resonator in 0.18μm CMOS technology

Jahan, N., Barakat, A. & Pokharel, R. K., Dec 19 2017, European Microwave Week 2017: "A Prime Year for a Prime Event", EuMW 2017 - Conference Proceedings; 47th European Microwave Conference, EuMC 2017. Institute of Electrical and Electronics Engineers Inc., p. 763-766 4 p. (European Microwave Week 2017: "A Prime Year for a Prime Event", EuMW 2017 - Conference Proceedings; 47th European Microwave Conference, EuMC 2017; vol. 2017-January).

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

1 Citation (Scopus)

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)