• 538 Citations
  • 12 h-Index
1988 …2019

Research output per year

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Research Output

2019

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

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

2018

Foreword

Uehara, K., Oct 2018, In : IEICE Transactions on Communications. E101B, 10, 1 p.

Research output: Contribution to journalEditorial

Special section on wireless distributed networks for IoT era

Uehara, K., Jan 1 2018, In : IEICE Transactions on Communications. E101B, 10, 1 p.

Research output: Contribution to journalEditorial

Open Access

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

2016

High-capacity wireless access networks using 920MHz band for wide-area IoT/M2M services

Akabane, K., Mochizuki, N., Teruhi, S., Kobayashi, M., Yoshino, S., Shimizu, M. & Uehara, K., Sep 1 2016, In : IEICE Transactions on Communications. E99B, 9, p. 1920-1929 10 p.

Research output: Contribution to journalArticle

4 Citations (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)

Radio spectrum transmission using compressed sensing for a flexible wireless system

Lee, D., Yamada, T., Shiba, H., Yamagu-Chi, Y., Nakagawa, T. & Uehara, K., May 1 2016, In : Journal of the Institute of Electronics, Information and Communication Engineers. 99, 5, p. 450-455 6 p.

Research output: Contribution to journalArticle

2015

Concurrent multi-band mixer with independent and linear gain control

Kaho, T., Yamaguchi, Y., Shiba, H., Nakagawa, T., Uehara, K. & Araki, K., Jul 1 2015, In : IEICE Transactions on Electronics. E98C, 7, p. 659-668 10 p.

Research output: Contribution to journalArticle

Dependency on beamwidth in an SD method utilizing two-ray fading characteristics

Hiraga, K., Sakamoto, K., Arai, M., Seki, T., Toshinaga, H., Nakagawa, T. & Uehara, K., Jan 29 2015, In : IEEE Antennas and Wireless Propagation Letters. 14, p. 56-59 4 p., 6891136.

Research output: Contribution to journalArticle

2 Citations (Scopus)
2014

An SD method utilizing null dependency on transmission distance due to two-ray fading

Hiraga, K., Sakamoto, K., Arai, M., Seki, T., Nakagawa, T. & Uehara, K., Feb 24 2014, In : IEEE Antennas and Wireless Propagation Letters. 13, p. 126-129 4 p., 6701188.

Research output: Contribution to journalArticle

3 Citations (Scopus)

A study of short-range MIMO transmission utilizing polarization multiplexing for the simplification of decoding

Hiraga, K., Sakamoto, K., Nishimori, K., Seki, T., Nakagawa, T. & Uehara, K., Jan 1 2014, In : IEICE Transactions on Communications. E97-B, 2, p. 459-468 10 p.

Research output: Contribution to journalArticle

2 Citations (Scopus)

Spatial division transmission without signal processing for MIMO detection utilizing two-ray fading

Hiraga, K., Sakamoto, K., Arai, M., Seki, T., Nakagawa, T. & Uehara, K., Nov 1 2014, In : IEICE Transactions on Communications. E97B, 11, p. 2491-2501 11 p.

Research output: Contribution to journalArticle

1 Citation (Scopus)

Study on MIMO transmission using orthogonal directivities obtained from higher order microstrip antenna modes

Arai, M., Seki, T., Hiraga, K., Sakamoto, K., Toshinaga, H., Nakagawa, T. & Uehara, K., Mar 27 2014, In : Electronics Letters. 50, 7, p. 562-564 3 p.

Research output: Contribution to journalArticle

2 Citations (Scopus)

Theoretical and experimental analysis of spatial division using antenna directivities in short-range MIMO transmission

Arai, M., Seki, T., Hiraga, K., Nakagawa, T. & Uehara, K., Jan 16 2014, In : Electronics Letters. 50, 2, p. 65-67 3 p.

Research output: Contribution to journalArticle

5 Citations (Scopus)
2013

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 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)

An SDM method utilizing height pattern due to two-ray fading characteristics

Hiraga, K., Sakamoto, K., Arai, M., Seki, T., Nakagawa, T. & Uehara, K., Dec 1 2013, In : IEEE Antennas and Wireless Propagation Letters. 12, p. 1622-1626 5 p., 6680603.

Research output: Contribution to journalArticle

3 Citations (Scopus)

Current status, issues, and future perspective of wireless home networks

Takatori, Y., Mizoguchi, M., Uehara, K., Yoshino, S., Harada, M. & Okada, K., Mar 1 2013, In : NTT Technical Review. 11, 3

Research output: Contribution to journalReview article

3 Citations (Scopus)

Nonlinear modeling and analysis on concurrent amplification of dual-band gaussian signals

Ando, I., Tran, G. K., Araki, K., Yamada, T., Kaho, T., Yamaguchi, Y. & Uehara, K., Oct 2013, In : IEICE Transactions on Electronics. E96-C, 10, p. 1254-1262 9 p.

Research output: Contribution to journalArticle

1 Citation (Scopus)

Performance evaluation of short-range MIMO using a method for controlling phase difference between each propagation channel

Sakamoto, K., Hiraga, K., Seki, T., Nakagawa, T. & Uehara, K., Oct 2013, In : IEICE Transactions on Communications. E96-B, 10, p. 2513-2520 8 p.

Research output: Contribution to journalArticle

4 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)
2012

1-bit compressed sensing with edge detection for compressed radio wave data transfer

Yamada, T., Lee, D., Toshinaga, H., Akabane, K., Yamaguchi, Y. & Uehara, K., Dec 1 2012, p. 407-411. 5 p.

Research output: Contribution to conferencePaper

3 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 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)

Effectiveness of short-range MIMO using dual-polarized antenna

Hiraga, K., Seki, T., Nishimori, K. & Uehara, K., Jan 2012, In : IEICE Transactions on Communications. E-95-B, 1, p. 87-96 10 p.

Research output: Contribution to journalArticle

6 Citations (Scopus)

Signal separation and reconstruction method for simultaneously received multi-system signals in flexiblewireless system

Yamada, T., Lee, D., Shiba, H., Yamaguchi, Y., Akabane, K. & Uehara, K., Apr 2012, In : IEICE Transactions on Communications. E95-B, 4, p. 1085-1092 8 p.

Research output: Contribution to journalArticle

1 Citation (Scopus)

Sparse-matrix-based compressed sensing for spectrum sensing in Flexible Wireless System

Lee, D., Kabashima, Y., Takeda, K., Yamada, T., Akabane, K. & Uehara, K., Dec 1 2012, p. 418-422. 5 p.

Research output: Contribution to conferencePaper

1 Citation (Scopus)

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)
2011

A low-noise, high-gain quasi-millimeter-wave receiver MMIC with a very high degree of integration using 3D-MMIC technology

Kaho, T., Yamaguchi, Y., Uehara, K. & Araki, K., Oct 2011, In : IEICE Transactions on Electronics. E94-C, 10, p. 1548-1556 9 p.

Research output: Contribution to journalArticle

1 Citation (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)

Compressed sensing technology for flexible wireless system

Lee, D., Yamada, T., Shiba, H., Yamaguchi, Y. & Uehara, K., Mar 1 2011, In : NTT Technical Review. 9, 3

Research output: Contribution to journalArticle

2 Citations (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)

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., Oct 24 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)
2010

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)

An analysis of multi-layer inductors for miniaturizing of GaAs MMIC

Yamaguchi, Y., Kaho, T., Sasaki, M., Nishikawa, K., Seki, T., Nakagawa, T., Uehara, K. & Araki, K., Jul 2010, In : IEICE Transactions on Electronics. E93-C, 7, p. 1119-1125 7 p.

Research output: Contribution to journalArticle

2 Citations (Scopus)

Combined Nyquist and compressed sampling method for radio wave data compression of a heterogeneous network system

Lee, D., Yamada, T., Shiba, H., Yamaguchi, Y. & Uehara, K., Dec 2010, In : IEICE Transactions on Communications. E93-B, 12, p. 3238-3247 10 p.

Research output: Contribution to journalArticle

9 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

4 Citations (Scopus)

Special section on wireless distributed networks

Uehara, K., Dec 2010, In : IEICE Transactions on Communications. E93-B, 12, 1 p.

Research output: Contribution to journalEditorial

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 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)
2009

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 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)

Lens-coupled imaging arrays for the millimeter-and submillimeter-wave regions

Uehara, K., Miyashita, K., Natsume, K. I., Hatakeyama, K. & Mizuno, K., Jan 1 2009, Active Antennas and Quasi-Optical Arrays. John Wiley and Sons Inc., p. 198-203 6 p.

Research output: Chapter in Book/Report/Conference proceedingChapter

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

Towards ultrahigh-speed high-capacity networks

Jinno, M., Kimura, H., Hibino, Y., Uehara, K., Kukutsu, N., Ito, F. & Matsuoka, S., May 1 2009, In : NTT Technical Review. 7, 5

Research output: Contribution to journalArticle

11 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