• 540 Citations
  • 12 h-Index
1988 …2019

Research output per year

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Research Output

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Conference contribution

60-GHz microstrip antenna with stacked rings using multi-layer LTCC substrate

Seki, T., Hiraga, K., Nishikawa, K. & Uehara, K., Oct 16 2009, European Conference on Antennas and Propagation, EuCAP 2009, Proceedings. p. 3797-3800 4 p. 5068416. (European Conference on Antennas and Propagation, EuCAP 2009, Proceedings).

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

4 Citations (Scopus)

A broadband low-noise wide dynamic range SiGe front-end receiver IC for multi-band access points

Kaho, T., Yamaguchi, Y., Shiba, H., Kawashima, M., Toshinaga, H. & Uehara, K., Dec 1 2013, 2013 Asia-Pacific Microwave Conference Proceedings, APMC 2013. p. 267-269 3 p. 6695115. (Asia-Pacific Microwave Conference Proceedings, APMC).

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

6 Citations (Scopus)

A compact K/Ka-band transceiver MMIC using GaAs 3D-MMIC technology

Kaho, T., Yamaguchi, Y. & Uehara, K., Dec 1 2010, 2010 Asia-Pacific Microwave Conference Proceedings, APMC 2010. p. 822-825 4 p. 5728467. (Asia-Pacific Microwave Conference Proceedings, APMC).

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

2 Citations (Scopus)

A compact X-band balanced frequency doubler on GaAs pHEMT 3D MMIC

Kaho, T., Yamaguchi, Y., Okazaki, H. & Uehara, K., Dec 1 2009, 2009 IEEE International Symposium on Radio-Frequency Integration Technology, RFIT 2009. p. 237-240 4 p. 5383706. (2009 IEEE International Symposium on Radio-Frequency Integration Technology, RFIT 2009).

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

2 Citations (Scopus)

A cooperative sensing technique with weighting based on distance between radio stations

Matsui, M., Shiba, H., Akabane, K. & Uehara, K., Dec 1 2008, 2008 14th Asia-Pacific Conference on Communications, APCC 2008. 4773672. (2008 14th Asia-Pacific Conference on Communications, APCC 2008).

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

8 Citations (Scopus)

A dual-band simultaneous receiving mixer with independent and linear gain control

Kaho, T., Yamaguchi, Y., Shiba, H., Akabane, K. & Uehara, K., Dec 1 2012, 2012 Asia-Pacific Microwave Conference, APMC 2012 - Proceedings. p. 160-162 3 p. 6421532. (Asia-Pacific Microwave Conference Proceedings, APMC).

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

3 Citations (Scopus)

A dual-band VCO integrated with RF-MEMS switches and inductors

Kawashima, M., Yamaguchi, Y., Kuwabara, K., Sato, N., Machida, K. & Uehara, K., Jan 1 2006, Proceedings of the 36th European Microwave Conference, EuMC 2006. IEEE Computer Society, p. 795-798 4 p. 4057938. (Proceedings of the 36th European Microwave Conference, EuMC 2006).

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

1 Citation (Scopus)

A highly integrated quasi-millimeter wave receiver chip using 3D-MMIC technology

Kaho, T., Yamaguchi, Y., Uehara, K., Nagamine, S., Toriyama, Y. & Taniguchi, T., Dec 1 2007, European Microwave Week 2007 Conference Proceedings, EuMW 2007 - 2nd European Microwave Integrated Circuits Conference, EuMIC 2007. p. 12-15 4 p. 4412635. (European Microwave Week 2007 Conference Proceedings, EuMW 2007 - 2nd European Microwave Integrated Circuits Conference, EuMIC 2007).

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

9 Citations (Scopus)

A highly integrated quasi-millimeter wave transmitter MMIC using 3D-MMIC technology

Yamaguchi, Y., Kaho, T., Uehara, K., Nagamine, S., Toriyama, Y., Shirosaki, T. & Taniguchi, T., Dec 1 2007, 2007 Asia-Pacific Microwave Conference, APMC. 4555130. (Asia-Pacific Microwave Conference Proceedings, APMC).

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

4 Citations (Scopus)

A highly integrated X-band frequency quadrupler MMIC using 3D-MMIC technology

Yamaguchi, Y., Kaho, T. & Uehara, K., Oct 2 2007, Proceedings of the 2007 IEEE Radio Frequency Integrated Circuits Symposium, RFIC 2007. p. 757-760 4 p. 4266541. (Digest of Papers - IEEE Radio Frequency Integrated Circuits Symposium).

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

6 Citations (Scopus)

A method for controlling phase difference between propagation channels for short-range MIMO transmission

Sakamoto, K., Hiraga, K., Seki, T., Nakagawa, T. & Uehara, K., Dec 1 2012, Conference Proceedings of the 2012 International Symposium on Antennas and Propagation, ISAP 2012. p. 754-757 4 p. 6393964. (IEEE Antennas and Propagation Society, AP-S International Symposium (Digest)).

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

1 Citation (Scopus)

An autonomous adaptive base station that supports multiple wireless network systems

Akabane, K., Shiba, H., Matsui, M. & Uehara, K., Jan 1 2007, 2007 2nd IEEE International Symposium on New Frontiers in Dynamic Spectrum Access Networks. IEEE Computer Society, p. 85-88 4 p. 4221480. (2007 2nd IEEE International Symposium on New Frontiers in Dynamic Spectrum Access Networks).

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

1 Citation (Scopus)

A new architecture for concurrent dual-band digital predistortion

Ando, I., Tran, G. K., Araki, K., Yamada, T., Kaho, T., Yamaguchi, Y. & Uehara, K., Dec 1 2013, 2013 Asia-Pacific Microwave Conference Proceedings, APMC 2013. p. 152-154 3 p. 6695221. (Asia-Pacific Microwave Conference Proceedings, APMC).

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

2 Citations (Scopus)

A novel cooperative sensing technique for cognitive radio

Matsui, M., Shiba, H., Akabane, K. & Uehara, K., Dec 1 2007, 18th Annual IEEE International Symposium on Personal, Indoor and Mobile Radio Communications, PIMRC'07. 4394725. (IEEE International Symposium on Personal, Indoor and Mobile Radio Communications, PIMRC).

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

27 Citations (Scopus)

A simultaneous receiving multi-band mixer with independent gain control

Kaho, T., Yamaguchi, Y., Shiba, H., Akabane, K., Uehara, K. & Araki, K., Dec 1 2011, Asia-Pacific Microwave Conference Proceedings, APMC 2011. p. 383-386 4 p. 6173766. (Asia-Pacific Microwave Conference Proceedings, APMC).

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

12 Citations (Scopus)

Broadband low noise amplifier with high linearity for software-defined radios

Kawashima, M., Yamaguchi, Y., Nishikawa, K. & Uehara, K., Dec 1 2007, European Microwave Week 2007 Conference Proceedings, EUMIC 2007 - 10th European Conference on Wireless Technology, ECWT 2007. p. 323-326 4 p. 4404012. (European Microwave Week 2007 Conference Proceedings, EuMW 2007 - 10th European Conference on Wireless Technology, ECWT 2007).

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

5 Citations (Scopus)

Broadband low noise amplifier with high linearity for software-defined radios

Kawashima, M., Yamaguchi, Y., Nishikawa, K. & Uehara, K., Dec 1 2007, European Microwave Week 2007 Conference Proceedings, EuMW 2007 - 2nd European Microwave Integrated Circuits Conference, EuMIC 2007. p. 243-246 4 p. 4412694. (European Microwave Week 2007 Conference Proceedings, EuMW 2007 - 2nd European Microwave Integrated Circuits Conference, EuMIC 2007).

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

4 Citations (Scopus)

Channel assignment and reallocation algorithms for cognitive radio systems

Hiraga, K., Akabane, K., Shiba, H. & Uehara, K., Dec 1 2008, 2008 14th Asia-Pacific Conference on Communications, APCC 2008. 4773702. (2008 14th Asia-Pacific Conference on Communications, APCC 2008).

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

6 Citations (Scopus)

Design and performance evaluation of software defined radio prototype for PHS and IEEE802.11 wireless LAN

Uehara, K., Shiba, H., Shono, T., Shirato, Y., Yoshioka, H., Nakatsugawa, M., Kubota, S. & Umehira, M., Dec 1 2002, 13th IEEE International Symposium on Personal, Indoor and Mobile Radio Communications, PIMRC 2002. p. 452-457 6 p. 1046742. (IEEE International Symposium on Personal, Indoor and Mobile Radio Communications, PIMRC; vol. 1).

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

1 Citation (Scopus)

High speed parallel data transmission and power transmission technology for wireless repeater system

Seki, T., Hiraga, K., Nishimori, K., Nishikawa, K. & Uehara, K., Jul 1 2011, Proceedings of the 5th European Conference on Antennas and Propagation, EUCAP 2011. p. 3913-3916 4 p. 5782427. (Proceedings of the 5th European Conference on Antennas and Propagation, EUCAP 2011).

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

1 Citation (Scopus)

Interference alignment and power allocation for multi-user MIMO interference channels

Panahi, F. H., Ohtsuki, T., Jiang, W., Takatori, Y. & Uehara, K., Jul 12 2016, 2016 IEEE International Conference on Communications, ICC 2016. Institute of Electrical and Electronics Engineers Inc., 7510851

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

5 Citations (Scopus)

Joint interference alignment and power allocation under perfect and imperfect CSI

Panahi, F. H., Ohtsuki, T., Jiang, W., Takatori, Y. & Uehara, K., 2016, 2016 IEEE Global Communications Conference, GLOBECOM 2016 - Proceedings. Institute of Electrical and Electronics Engineers Inc., 7841926

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

2 Citations (Scopus)

LED lighting arrangement for spatially parallel signal transmission in visible light communication

Kamei, Y., Tomisato, S., Denno, S. & Uehara, K., Oct 2019, 2019 IEEE 8th Global Conference on Consumer Electronics, GCCE 2019. Institute of Electrical and Electronics Engineers Inc., p. 1123-1126 4 p. 9015428. (2019 IEEE 8th Global Conference on Consumer Electronics, GCCE 2019).

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

Low propagation loss of atomically-flat surface AlN with low dislocation density for 5-GHz band SAW devices

Uehara, K., Aota, Y., Kameda, S., Nakase, H. & Tsubouchi, K., Dec 1 2005, 2005 IEEE Ultrasonics Symposium. p. 455-458 4 p. 1602891. (Proceedings - IEEE Ultrasonics Symposium; vol. 1).

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

2 Citations (Scopus)

Miniaturized multilayer inductors on GaAs three-dimensional MMIC

Kaho, T., Sasaki, M., Yamaguchi, Y., Nishikawa, K. & Uehara, K., Dec 1 2007, 2007 Korea-Japan Microwave Conference, KJMW2007, Technical Digest 2007. p. 149-152 4 p. 4402262. (2007 Korea-Japan Microwave Conference, KJMW2007, Technical Digest 2007).

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

10 Citations (Scopus)

Multi-layer coupled band-pass filter for 60 GHz LTCC system-on-package

Hiraga, K., Seki, T., Nishikawa, K. & Uehara, K., Dec 1 2010, 2010 Asia-Pacific Microwave Conference Proceedings, APMC 2010. p. 259-262 4 p. 5728695. (Asia-Pacific Microwave Conference Proceedings, APMC).

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

5 Citations (Scopus)

Optical radio channel propagation in wireless communication systems with LEDs

Denno, S., Fujitaka, S., Hou, Y., Tomisato, S. & Uehara, K., May 1 2019, GSMM 2019 - 12th Global Symposium on Millimeter Waves, Proceeding. Institute of Electrical and Electronics Engineers Inc., p. 50-52 3 p. 8797650. (GSMM 2019 - 12th Global Symposium on Millimeter Waves, Proceeding).

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

Performance evaluation of reconfigurable processor for SDR mobile terminals and SDR base station using autonomous adaptive control technology

Akabane, K., Shiba, H., Matsui, M., Umehira, M. & Uehara, K., Dec 1 2005, 2005 Fifth International Conference on Information, Communications and Signal Processing. p. 148-152 5 p. 1689023. (2005 Fifth International Conference on Information, Communications and Signal Processing; vol. 2005).

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

5 Citations (Scopus)

Proposal and evaluation of security schemes for software-defined radio

Shiba, H., Uehara, K. & Araki, K., Dec 1 2003, PIMRC2003 - 14th IEEE 2003 International Symposium on Personal, Indoor and Mobile Radio Communications, Proceedings. p. 114-118 5 p. 1264243. (IEEE International Symposium on Personal, Indoor and Mobile Radio Communications, PIMRC; vol. 1).

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

2 Citations (Scopus)

Prototype of a cognitive radio system with cooperative sensing and interference alerting

Matsui, M., Akabane, K., Shiba, H. & Uehara, K., Sep 23 2008, Proceedings of the 3rd International Conference on Cognitive Radio Oriented Wireless Networks and Communications, CrownCom 2008. 4562482. (Proceedings of the 3rd International Conference on Cognitive Radio Oriented Wireless Networks and Communications, CrownCom 2008).

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

2 Citations (Scopus)

Signal separation and reconstruction method for simultaneously received multi-system signals in a unified wireless system

Yamada, T., Lee, D., Shiba, H., Yamaguchi, Y. & Uehara, K., 2011, Proceedings of the 2011 6th International ICST Conference on Cognitive Radio Oriented Wireless Networks and Communications, CROWNCOM 2011. p. 136-140 5 p. 6030763. (Proceedings of the 2011 6th International ICST Conference on Cognitive Radio Oriented Wireless Networks and Communications, CROWNCOM 2011).

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

4 Citations (Scopus)

Small size base station antenna using phase difference feed for narrowband ubiquitous communication

Seki, T., Hiraga, K., Nishikawa, K. & Uehara, K., Dec 1 2009, IEEE MTT-S International Microwave Workshop Series on Wireless Sensing, Local Positioning and RFID - Proceedings, IMWS 2009 - Croatia. 5307864. (IEEE MTT-S International Microwave Workshop Series on Wireless Sensing, Local Positioning and RFID, Proceedings, IMWS 2009 - Croatia).

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

Spectrum sensing for networked system using 1-bit compressed sensing with partial random circulant measurement matrices

Lee, D., Sasaki, T., Yamada, T., Akabane, K., Yamaguchi, Y. & Uehara, K., Aug 20 2012, IEEE 75th Vehicular Technology Conference, VTC Spring 2012 - Proceedings. 6240259. (IEEE Vehicular Technology Conference).

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

8 Citations (Scopus)

Study on short-range MIMO transmission using interference cancellation by antenna directivities

Arai, M., Seki, T., Hiraga, K., Nakagawa, T. & Uehara, K., Dec 1 2013, 2013 Asia-Pacific Microwave Conference Proceedings, APMC 2013. p. 395-397 3 p. 6695158. (Asia-Pacific Microwave Conference Proceedings, APMC).

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

2 Citations (Scopus)

Transmission quality improvement by LED back-off optimization for visible light wireless communications

Chikamori, T., Tomisato, S., Denno, S. & Uehara, K., Feb 22 2018, Proceedings - 20th International Symposium on Wireless Personal Multimedia Communications, WPMC 2017. IEEE Computer Society, Vol. 2017-December. p. 229-233 5 p.

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

Ultra compact RFICs using three-dimensional MMIC technology

Kaho, T., Yamaguchi, Y., Nishikawa, K., Toyoda, I. & Uehara, K., Oct 15 2010, 2010 IEEE MTT-S International Microwave Symposium, MTT 2010. p. 1304-1307 4 p. 5517752. (IEEE MTT-S International Microwave Symposium Digest).

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

2 Citations (Scopus)

Ultra high speed short-range parallel transmission using millimeter-wave frequency band

Hiraga, K., Seki, T., Nishimori, K., Nishikawa, K. & Uehara, K., Dec 1 2009, APMC 2009 - Asia Pacific Microwave Conference 2009. p. 1212-1215 4 p. 5384427. (APMC 2009 - Asia Pacific Microwave Conference 2009).

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

Ultra-high-speed transmission over millimeter-wave using microstrip antenna array

Hiraga, K., Seki, T., Nishimori, K., Nishikawa, K. & Uehara, K., May 21 2010, 2010 IEEE Radio and Wireless Symposium, RWW 2010 - Paper Digest. p. 673-676 4 p. 5434243. (2010 IEEE Radio and Wireless Symposium, RWW 2010 - Paper Digest).

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

1 Citation (Scopus)