研究成果の検索

すべてのコンテンツを検索

研究成果 のフィルター

検索コンセプト
選択されたフィルター

出版年

  • 2020
  • 2019
  • 2018
  • 2017
  • 2016
  • 2015
  • 2014
  • 2013
  • 2012
  • 2011

著者

  • Ramesh Pokharel
2015

A DC-2.5GHz voltage variable attenuator in 0.18-μm CMOS technology

Abdalla, I. L., Allam, A., Pokharel, R. & Jia, H., 2 5 2015, p. 352-355. 4 p.

研究成果: Contribution to conferencePaper

1 引用 (Scopus)

Analytical formula of nonlinear interference in few-mode fibers in strong coupling regime

Ali, A. A. I., El-Fiqi, A. E., El-Sahn, Z. A., Shalaby, H. M. H. & Pokharel, R. K., 8 12 2015, ICTON 2015 - 17th International Conference on Transparent Optical Networks. Jaworski, M. & Marciniak, M. (版). IEEE Computer Society, 7193620. (International Conference on Transparent Optical Networks; 巻数 2015-August).

研究成果: 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., 5 4 2015, CLEO: Applications and Technology, CLEO-AT 2015. Optical Society of America (OSA), JTh2A.53. (CLEO: Applications and Technology, CLEO-AT 2015).

研究成果: Chapter in Book/Report/Conference proceedingConference contribution

1 引用 (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., 8 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; 巻数 2015-August).

研究成果: Chapter in Book/Report/Conference proceedingConference contribution

Miniaturized 60 GHz triangular CMOS Antenna-on-Chip using asymmetric artificial magnetic conductor

Barakat, A., Allam, A., Elsadek, H., Abdel-Rahman, A. B., Hanif, S. M. & Pokharel, R., 6 8 2015, 2015 IEEE 15th Topical Meeting on Silicon Monolithic Integrated Circuits in RF Systems, SiRF 2015. Institute of Electrical and Electronics Engineers Inc., p. 92-94 3 p. 7119885. (2015 IEEE 15th Topical Meeting on Silicon Monolithic Integrated Circuits in RF Systems, SiRF 2015).

研究成果: Chapter in Book/Report/Conference proceedingConference contribution

6 引用 (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., 8 1 2015, : : IEEJ Transactions on Sensors and Micromachines. 135, 8, p. 323-329 7 p.

研究成果: Contribution to journalArticle

1 引用 (Scopus)

Novel compact UWB monopole RDRA for cognitive radio spectrum sensing applications

Atallah, H. A., Abdel-Rahman, A. B., Yoshitomi, K. & Pokharel, R., 2 5 2015, : : IEEE International Conference on Consumer Electronics - Berlin, ICCE-Berlin. 2015-February, February, p. 462-466 5 p., 7034290.

研究成果: Contribution to journalConference article

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., 10 2015, : : IEEE Transactions on Communications. 63, 10, p. 3779-3788 10 p., 7192599.

研究成果: Contribution to journalArticle

3 引用 (Scopus)

Strong resonant coupling for short-range wireless power transfer applications using defected ground structures

Hekal, S., Abdel-Rahman, A. B., Jia, H., Allam, A., Pokharel, R. K. & Kanaya, H., 6 29 2015, 2015 IEEE Wireless Power Transfer Conference, WPTC 2015. Institute of Electrical and Electronics Engineers Inc., 7140185. (2015 IEEE Wireless Power Transfer Conference, WPTC 2015).

研究成果: Chapter in Book/Report/Conference proceedingConference contribution

13 引用 (Scopus)
2014

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., 12 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).

研究成果: Chapter in Book/Report/Conference proceedingConference contribution

7 引用 (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., 12 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).

研究成果: Chapter in Book/Report/Conference proceedingConference contribution

5 引用 (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., 12 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).

研究成果: Chapter in Book/Report/Conference proceedingConference contribution

3 引用 (Scopus)

A 10-bit 50MS/s 350 μw small die area capacitive digital-to-analog converter for bluetooth applications

Kanemoto, D., Oshiro, K., Yoshida, K., Pokharel, R. & Kanaya, H., 2014, : : IEEJ Transactions on Electronics, Information and Systems. 134, 2, p. 328-329 2 p.

研究成果: Contribution to journalArticle

2 引用 (Scopus)

A design methodology for SAR ADC optimal redundancy bit

Okazaki, T., Kanemoto, D., Pokharel, R., Yoshida, K. & Kanaya, H., 2014, : : IEICE Electronics Express. 11, 10, 20140218.

研究成果: Contribution to journalArticle

1 引用 (Scopus)

A low power 2.4 GHz LNA operated in subthreshold region

Yamamoto, W., Kanemoto, D., Pokharel, R., Yoshida, K. & Kanaya, H., 1 1 2014, Future Information Engineering. WITPress, p. 199-205 7 p. (WIT Transactions on Information and Communication Technologies; 巻数 49).

研究成果: Chapter in Book/Report/Conference proceedingConference contribution

An eight-phase CMOS injection locked ring oscillator with low phase noise

Yousef, K., Jia, H., Allam, A., Anand, A., Pokharel, R. & Kaho, T., 11 14 2014, Proceedings - IEEE International Conference on Ultra-Wideband. IEEE Computer Society, p. 337-340 4 p. 6959003. (Proceedings - IEEE International Conference on Ultra-Wideband).

研究成果: Chapter in Book/Report/Conference proceedingConference contribution

4 引用 (Scopus)

Back radiation reduction of 60 GHz CMOS slot Antenna-on-Chip (AoC) using Artificial Dielectric Layer (ADL) for Area Reuse

Barakat, A., Allam, A., Elsadek, H., Kanaya, H., Jia, H., Yoshitomi, K. & Pokharel, R., 11 12 2014, 2014 USNC-URSI Radio Science Meeting (Joint with AP-S Symposium), USNC-URSI 2014 - Proceedings. Institute of Electrical and Electronics Engineers Inc., 1 p. 6955519. (2014 USNC-URSI Radio Science Meeting (Joint with AP-S Symposium), USNC-URSI 2014 - Proceedings).

研究成果: Chapter in Book/Report/Conference proceedingConference contribution

2 引用 (Scopus)

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

Nawwar, O. M., Shalaby, H. M. H. & Pokharel, R. K., 7 21 2014, Asia Communications and Photonics Conference, ACPC 2016. OSA - The Optical Society, (Optics InfoBase Conference Papers).

研究成果: Chapter in Book/Report/Conference proceedingConference contribution

High efficient impedance matching circuit of power amplifier combined with antenna

Nakamura, S., Pokharel, R. K., Yoshida, K., Kanaya, H. & Kanemoto, D., 10 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).

研究成果: Chapter in Book/Report/Conference proceedingConference contribution

2 引用 (Scopus)

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

Iizasa, N., Pokharel, R., Kanaya, H. & Yoshitomi, K., 12 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).

研究成果: Chapter in Book/Report/Conference proceedingConference contribution

13 引用 (Scopus)

Multi-phase ring oscillator with minimized phase noise for ultra-wideband applications

Yousef, K., Jia, H., Allam, A., Anand, A., Pokharel, R. & Kaho, T., 11 5 2014, Proceedings - 2014 International Conference on Information Science, Electronics and Electrical Engineering, ISEEE 2014. Jiang, X., Li, S., Cheng, Y. & Dai, Y. (版). Institute of Electrical and Electronics Engineers Inc., p. 1115-1117 3 p. 6947843. (Proceedings - 2014 International Conference on Information Science, Electronics and Electrical Engineering, ISEEE 2014; 巻数 2).

研究成果: Chapter in Book/Report/Conference proceedingConference contribution

1 引用 (Scopus)
2 引用 (Scopus)

Small size 60 GHz CMOS Antenna-on-Chip: Gain and efficiency enhancement using asymmetric Artificial Magnetic Conductor

Barakat, A., Allam, A., Elsadek, H., Kanaya, H. & Pokharel, R., 12 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. 104-107 4 p. 6986380. (European Microwave Week 2014: Connecting the Future, EuMW 2014 - Conference Proceedings; EuMC 2014: 44th European Microwave Conference).

研究成果: Chapter in Book/Report/Conference proceedingConference contribution

11 引用 (Scopus)
2013

60 GHz millimeter-wave CMOS integrated on-chip open loop resonator bandpass filters on patterned ground shields

Pokharel, R., Liu, X., Mat, D. A. A., Dong, R., Kanaya, H. & Yoshida, K., 2 2013, : : IEICE Transactions on Electronics. E96-C, 2, p. 270-276 7 p.

研究成果: Contribution to journalArticle

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., 1 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).

研究成果: Chapter in Book/Report/Conference proceedingConference contribution

4 引用 (Scopus)

A CMOS class-E power amplifier of 40-% PAE at 5 GHz for constant envelope modulation system

Yamashita, Y., Kanemoto, D., Kanaya, H., Pokharel, R. K. & Yoshida, K., 4 15 2013, 2013 IEEE 13th Topical Meeting on Silicon Monolithic Integrated Circuits in RF Systems, SiRF 2013 - RWW 2013. p. 66-68 3 p. 6489434. (2013 IEEE 13th Topical Meeting on Silicon Monolithic Integrated Circuits in RF Systems, SiRF 2013 - RWW 2013).

研究成果: Chapter in Book/Report/Conference proceedingConference contribution

18 引用 (Scopus)

A design technique for a high-speed SAR ADC using non-binary search algorithm and redundancy

Okazaki, T., Kanemoto, D., Pokharel, R., Yoshida, K. & Kanaya, H., 12 1 2013, 2013 Asia-Pacific Microwave Conference Proceedings, APMC 2013. p. 506-508 3 p. 6694846. (Asia-Pacific Microwave Conference Proceedings, APMC).

研究成果: Chapter in Book/Report/Conference proceedingConference contribution

3 引用 (Scopus)

Advanced RF and analog integrated circuits for fourth generation wireless communications and beyond

Pokharel, R., Belostotski, L., Tsuchiya, A., Allam, A. & Hashmi, M. S., 6 11 2013, : : International Journal of Microwave Science and Technology. 272070.

研究成果: Contribution to journalEditorial

A highly attenuative CMOS LNA at 5-6 GHz using negative GM circuit for UWB applications

Koirala, N., Anand, A., Pokharel, R. K., Kanaya, H. & Yoshida, K., 4 1 2013, : : Microwave and Optical Technology Letters. 55, 4, p. 894-899 6 p.

研究成果: Contribution to journalArticle

A low phase noise FBAR based multiband VCO design

Zhang, G., Kochhar, A., Yoshida, K., Tanaka, S., Hashimoto, K., Esashi, M., Kanaya, H. & Pokharel, R. K., 2013, : : IEICE Electronics Express. 10, 13, 20130425.

研究成果: Contribution to journalArticle

2 引用 (Scopus)

A self-biasing class-E power amplifier for 5-GHz constant envelope modulation system

Yamashita, Y., Kanemoto, D., Kanaya, H., Pokharel, R. K. & Yoshida, K., 2013, : : IEICE Electronics Express. 10, 8, 20130174.

研究成果: Contribution to journalArticle

2 引用 (Scopus)

CMOS ultra-wideband low noise amplifier (UWB-LNA) using symmetric 3D RF integrated inductor

Yousef, K., Jia, H., Pokharel, R., Allam, A., Ragab, M., Kanaya, H. & Yoshida, K., 12 1 2013, 2013 IEEE International Conference on Ultra-Wideband, ICUWB 2013. p. 267-269 3 p. 6663860. (2013 IEEE International Conference on Ultra-Wideband, ICUWB 2013).

研究成果: Chapter in Book/Report/Conference proceedingConference contribution

4 引用 (Scopus)

CMOS ultra-wideband low noise amplifier design

Yousef, K., Jia, H., Pokharel, R., Allam, A., Ragab, M., Kanaya, H. & Yoshida, K., 2013, : : International Journal of Microwave Science and Technology. 328406.

研究成果: Contribution to journalArticle

11 引用 (Scopus)

Compact size high gain AoC using rectangular AMC in CMOS for 60 GHz millimeter wave applications

Barakat, A., Allam, A., Pokharel, R. K., Elsadek, H., El-Sayed, M. & Yoshida, K., 12 1 2013, 2013 IEEE MTT-S International Microwave Symposium Digest, MTT 2013. 6697475. (IEEE MTT-S International Microwave Symposium Digest).

研究成果: Chapter in Book/Report/Conference proceedingConference contribution

6 引用 (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., 12 1 2013, 2013 IEEE International Conference of IEEE Region 10, IEEE TENCON 2013 - Conference Proceedings. 6718449. (IEEE Region 10 Annual International Conference, Proceedings/TENCON).

研究成果: Chapter in Book/Report/Conference proceedingConference contribution

6 引用 (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).

研究成果: 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., 2 28 2013, : : IEEE Microwave and Wireless Components Letters. 23, 3, p. 164-166 3 p., 6468126.

研究成果: Contribution to journalArticle

59 引用 (Scopus)

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

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

研究成果: Contribution to journalArticle

Low-power, low-voltage CMOS ultra-wideband low noise amplifier for portable devices

Yousef, K., Jia, H., Pokharel, R., Allam, A., Ragab, M., Kanaya, H. & Yoshida, K., 1 1 2013, p. 68-70. 3 p.

研究成果: Contribution to conferencePaper

Magnetic properties of nanostructured Fe-Co alloys

Rizal, C., Kolthammer, J., Pokharel, R. K. & Choi, B. C., 3 21 2013, : : Journal of Applied Physics. 113, 11, 113905.

研究成果: Contribution to journalArticle

15 引用 (Scopus)

Multi-band miniaturized slot antenna with two-stage bandpass filter

Kanaya, H., Kanemoto, D., Hayakawa, K., Yoshida, K., Pokharel, R., Yoshitomi, K., Ishikawa, A., Fukagawa, S., Kodama, N. & Tahira, A., 12 1 2013, 2013 IEEE Antennas and Propagation Society International Symposium, APSURSI 2013 - Proceedings. p. 930-931 2 p. 6711124. (IEEE Antennas and Propagation Society, AP-S International Symposium (Digest)).

研究成果: Chapter in Book/Report/Conference proceedingConference contribution

2 引用 (Scopus)

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., 5 1 2013, : : Microwave and Optical Technology Letters. 55, 5, p. 1182-1185 4 p.

研究成果: Contribution to journalArticle

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

Anand, A., Koirala, N., Pokharel, R., Kanaya, H. & Yoshida, K., 4 3 2013, : : International Journal of Microwave Science and Technology. 275289.

研究成果: Contribution to journalArticle

1 引用 (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, : : IEICE Electronics Express. 10, 12, 20130296.

研究成果: Contribution to journalArticle

2 引用 (Scopus)

Wireless power transmission circuit on a small planar wide-band antenna

Shinki, Y., Kanemoto, D., Yoshida, K., Pokharel, R. K., Yoshitomi, K. & Kanaya, H., 12 1 2013, 2013 IEEE International Conference of IEEE Region 10, IEEE TENCON 2013 - Conference Proceedings. 6718459. (IEEE Region 10 Annual International Conference, Proceedings/TENCON).

研究成果: Chapter in Book/Report/Conference proceedingConference contribution

2 引用 (Scopus)
2012

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., 7 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).

研究成果: Chapter in Book/Report/Conference proceedingConference contribution

5 引用 (Scopus)

A 0.9-3.5 GHz high linearity, good efficiency CMOS broadband power amplifier using stagger tuning technique

Sapawi, R., Pokharel, R. K., Awang Mat, D. A., Kanaya, H. & Yoshida, K., 12 1 2012, : : Microwave and Optical Technology Letters. 54, 12, p. 2881-2884 4 p.

研究成果: Contribution to journalArticle

2 引用 (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

研究成果: Chapter in Book/Report/Conference proceedingConference contribution

13 引用 (Scopus)

A low power 8-bit digitally controlled CMOS ring oscillator

Nugroho, P., Pokharel, R. K., Anand, A., Hashimura, R., Zhang, G., Dong, R., Kanaya, H. & Yoshida, K., 12 1 2012, European Microwave Week 2012: "Space for Microwaves", EuMW 2012, Conference Proceedings - 7th European Microwave Integrated Circuits Conference, EuMIC 2012. p. 504-507 4 p. 6483847. (European Microwave Week 2012: "Space for Microwaves", EuMW 2012, Conference Proceedings - 7th European Microwave Integrated Circuits Conference, EuMIC 2012).

研究成果: Chapter in Book/Report/Conference proceedingConference contribution

6 引用 (Scopus)

A low power UWB low noise amplifier using current reused and feedback techniques

Galal, A. I. A., Pokharel, R., Kanaya, H. & Yoshida, K., 2 1 2012, : : Microwave and Optical Technology Letters. 54, 2, p. 471-474 4 p.

研究成果: Contribution to journalArticle

2 引用 (Scopus)