Committee |
Date Time |
Place |
Paper Title / Authors |
Abstract |
Paper # |
SRW, MICT, WBS |
2023-07-20 14:40 |
Niigata |
Niigata Univ. TOKIMATE (Primary: On-site, Secondary: Online) |
[Poster Presentation]
A Spectrum Efficiency Improvement Method by Adaptive Bandwidth and Transmit Power Control in Multi-Band Wireless Systems Taishiro Moriyasu, Shigeru Tomisato, Kazuhiro Uehara (Okayama Univ.) WBS2023-17 SRW2023-15 MICT2023-14 |
This paper evaluates spectrum efficiency with the proposed method which adaptively control bandwidth and transmit power ... [more] |
WBS2023-17 SRW2023-15 MICT2023-14 pp.15-20 |
SRW |
2023-06-12 14:50 |
Tokyo |
Kikai-Shinko-Kaikan Bldg. (Primary: On-site, Secondary: Online) |
[Invited Lecture]
Optimal Modulation Selection and Inter-Lighting Interference Reduction for LED Visible Light Wireless Communications by Spatially Parallel Signal Transmission Harutsuki Tanushi, Madoka Fujii, Shigeru Tomisato, Satoshi Denno, Kazuhiro Uehara (Okayama Univ) SRW2023-9 |
This paper evaluates spectral efficiency improvement with both an optimal modulation selection method in which the most ... [more] |
SRW2023-9 pp.45-50 |
RCS, SR, SRW (Joint) |
2023-03-02 11:40 |
Tokyo |
Tokyo Institute of Technology, and Online (Primary: On-site, Secondary: Online) |
An Optimal Modulation Selection Method in LED Visible Light Wireless Communications by Spatially Parallel Signal Transmission Harutsuki Tanushi, Madoka Fujii, Shigeru Tomisato, Satoshi Denno, Kazuhiro Uehara (Okayama Univ,) SRW2022-53 |
This paper proposes an optimal modulation selection method in LED visible light wireless communications by spatially par... [more] |
SRW2022-53 pp.52-57 |
RCS, AP, UWT (Joint) |
2020-11-25 16:15 |
Online |
Online |
[Invited Lecture]
Spatially Parallel Signal Transmission in LED Visible Light Wireless Communications Shigeru Tomisato, Satoshi Denno, Kazuhiro Uehara (Okayama Univ.) AP2020-82 RCS2020-121 |
The traffic of wireless communication systems has greatly increased due to the expansion of smartphones and IoT. Visible... [more] |
AP2020-82 RCS2020-121 pp.51-55(AP), pp.66-70(RCS) |
SRW, SeMI, CNR (Joint) |
2019-11-06 13:25 |
Tokyo |
Kozo Keisaku Engineering Inc. |
[Poster Presentation]
An Interference and Non-Linear Distortion Noise Canceler in LED Visible Light Indoor Wireless Communications Keitaro Hirai, Shigeru Tomisato, Satoshi Denno, Kazuhiro Uehara (Okayama Univ.) SRW2019-39 SeMI2019-83 CNR2019-33 |
This paper studies a collaborative cancelation method for non-linear distortion noise caused by LED non-linearity of a t... [more] |
SRW2019-39 SeMI2019-83 CNR2019-33 pp.63-68(SRW), pp.83-88(SeMI), pp.61-66(CNR) |
SRW, SeMI, CNR (Joint) |
2019-11-06 13:25 |
Tokyo |
Kozo Keisaku Engineering Inc. |
[Poster Presentation]
Spatially Parallel Transmission by Collaborative Non-Linear Distortion Compensation in Both Transmitter and Receiver for LED Visible Light Communications Saroma Era, Sigeru Tomisato, Satoshi Denno, Kazuhiro Uehara (Okayama Univ.) SRW2019-42 SeMI2019-86 CNR2019-36 |
This paper evaluates transmission performance improvement by collaborative non-linear distortion compensation in both tr... [more] |
SRW2019-42 SeMI2019-86 CNR2019-36 pp.73-78(SRW), pp.93-98(SeMI), pp.71-76(CNR) |
MIKA (2nd) |
2019-10-04 10:15 |
Hokkaido |
Hokkaido Univ. |
[Poster Presentation]
Receivable signal number evaluation in spatially parallel transmission for LED visible light wireless communications Yusuke Kamei, Shigeru Tomisato, Satoshi Denno, Kazuhiro Uehara (Okayama Univ.) |
The traffic of wireless communication systems has greatly increased due to the expansion of smartphones and IoT. Visible... [more] |
|
MIKA (2nd) |
2019-10-04 10:15 |
Hokkaido |
Hokkaido Univ. |
[Poster Presentation]
A Study on Signal Separation and Demodulation Method for Collided Signal in Stored Batch Signal Processing Toru Nishiyama (Okayama Univ.), Ryuku Miyachi, Humiya Ohno, Shigeru Tomisato, Satoshi Denno, Kazuhiro Uehara (Okayama Univ.) |
[more] |
|
RCS, SR, SRW (Joint) |
2019-03-07 11:20 |
Kanagawa |
YRP |
Lighting Arrangement for Spatially Parallel Signal Transmission in LED Visible Light Communications Yusuke Kamei, Shigeru Tomisato, Satoshi Denno, Kazuhiro Uehara (Okayama Univ.) SRW2018-64 |
This paper evaluates interference characteristics according to LED lighting and photodetector arrangement in
spatially ... [more] |
SRW2018-64 pp.41-46 |
ASN, SRW (Joint) |
2018-11-05 13:00 |
Tokyo |
Tokyo Denki University, Tokyo Senju Campus |
[Poster Presentation]
Interference Characteristic Evaluation by Lighting Placement in LED Visible Light Communications Yusuke Kamei, Shigeru Tomisato, Satoshi Denno, Kazuhiro Uehara (Okayama Univ.) ASN2018-67 SRW2018-32 |
This paper evaluates interference characteristics according to LED lighting and photodetector position in signal transmi... [more] |
ASN2018-67 SRW2018-32 pp.71-74(ASN), pp.47-50(SRW) |
SRW |
2018-08-20 13:35 |
Okayama |
Okayama Univ. |
A compensation method of non-linear distortion in both transmitter and receiver of LED visible light communications Takeshi Okada, Shigeru Tomisato, Satoshi Denno, Kazuhiro Uehara (Okayama Univ) SRW2018-16 |
This paper proposes a collaborative nonlinear distortion compensation method for LED nonlinear distortion in both transm... [more] |
SRW2018-16 pp.43-46 |
ASN, NS, RCS, SR, RCC (Joint) |
2018-07-12 10:55 |
Hokkaido |
Hakodate Arena |
[Poster Presentation]
Inter-system interference evaluation in spectrum sharing systems with multiple frequency bands Kyouhei Ueda, Shigeru Tomisato, Kazuhiro Uehara (Okayama Univ.) RCC2018-46 NS2018-59 RCS2018-104 SR2018-43 ASN2018-40 |
This paper evaluates the reduction effect of harmful interference to an existing system by bandwidth control in a second... [more] |
RCC2018-46 NS2018-59 RCS2018-104 SR2018-43 ASN2018-40 pp.101-104(RCC), pp.107-110(NS), pp.119-122(RCS), pp.111-114(SR), pp.117-120(ASN) |
SRW |
2017-08-21 13:50 |
Kyoto |
Kyoto University |
A non-linear distortion compensation method in a receiver of LED visible light communications Takeshi Okada, Takahiro Chikamori, Shigeru Tomisato, Satoshi Denno, Kazuhiro Uehara (Okayama Univ.) SRW2017-14 |
This paper proposes a method to compensate nonlinear distortion of LED of transmitter by for receiver side in visible li... [more] |
SRW2017-14 pp.31-34 |
NS, ASN, RCC, RCS, SR (Joint) |
2017-07-20 11:05 |
Hokkaido |
Hokkaido Univ. |
[Poster Presentation]
Transmission Efficiency Improvement by Non-Liner Distortion Noise Power Control in Multi-Band Systems Jumpei Onji, Shigeru Tomisato, Kazuhiro Uehara (Okayama Univ.) RCC2017-32 NS2017-53 RCS2017-124 SR2017-47 ASN2017-41 |
This paper evaluates transmission efficiency improvement by non-linear distortion noise power control for multiple frequ... [more] |
RCC2017-32 NS2017-53 RCS2017-124 SR2017-47 ASN2017-41 pp.113-116(RCC), pp.127-130(NS), pp.167-170(RCS), pp.125-128(SR), pp.145-148(ASN) |
SRW |
2017-06-12 10:25 |
Kanagawa |
Fujitsu |
Transmission Performance Improvement by Saturation Control of LEDs in Visible Light Communication Takahiro Chikamori, Shigeru Tomisato, Satoshi Denno, Kazuhiro Uehara (Okayama Univ.) SRW2017-1 |
This paper proposes a saturation control method of LEDs according to transmission distance in visible light communicatio... [more] |
SRW2017-1 pp.1-4 |
RCS, SR, SRW (Joint) |
2017-03-02 09:00 |
Tokyo |
Tokyo Institute of Technology |
Transmission Performance of Visible Light Communications Using Saturated LEDs Takahiro Chikamori, Shigeru Tomisato, Satoshi Denno, Kazuhiro Uehara (Okayama Univ.) SRW2016-85 |
This paper evaluates transmission performance in which LEDs are linearized and used in its saturation region in visible ... [more] |
SRW2016-85 pp.99-104 |
SR |
2016-10-28 14:40 |
Osaka |
Osaka Univ. Nakanoshima Center |
Transmission Efficiency Improvement by Non-Linear Distortion Noise Power Control in Multi-Band Systems Ryotaro Ueda, Shigeru Tomisato, Kazuhiro Uehara (Okayama Univ.) SR2016-74 |
Multiple frequency band transmission has been studied to realize broadband wireless communications in which plural frequ... [more] |
SR2016-74 pp.111-114 |
RCS, CCS, SR, SRW (Joint) |
2016-03-02 13:15 |
Tokyo |
Tokyo Institute of Technology |
Interference Alignment for Multi-User MIMO Interference Channels Based on Estimated Uplink Channels Fereidoun H. Panahi, Tomoaki Ohtsuki (Keio Univ.), Wenjie Jiang, Yasushi Takatori, Kazuhiro Uehara (NTT) RCS2015-351 |
We propose centralized iterative algorithms that jointly determine the optimal transmit and receive filters for a K-user... [more] |
RCS2015-351 pp.109-114 |
RCS, CCS, SR, SRW (Joint) |
2016-03-02 13:40 |
Tokyo |
Tokyo Institute of Technology |
Joint Interference Alignment Transceiver Filter Design and Power Allocation for Downlink Multi-User MIMO Interference Channels Fereidoun H. Panahi, Tomoaki Ohtsuki (Keio Univ.), Wenjie Jiang, Yasushi Takatori, Kazuhiro Uehara (NTT) RCS2015-352 |
We propose centralized iterative algorithms that jointly determine the optimal transmit and receive filters as well as t... [more] |
RCS2015-352 pp.115-120 |
RCS, CCS, SR, SRW (Joint) |
2016-03-04 14:30 |
Tokyo |
Tokyo Institute of Technology |
[Invited Lecture]
Broadband Spectrum Sensing Platform based on Received Waveform Cross-correlation using Distributed Sensors Doohwan Lee, Takayuki Yamada, Hiroyuki Shiba, Yo Yamaguchi, Takana Kaho, Tadao Nakagawa, Kazuhiro Uehara (NTT) SR2015-117 |
Rapid increase in mobile traffic due to the spread of smartphones will cause the frequency shortage. Frequency range fro... [more] |
SR2015-117 p.171 |