Hisashi Nishikawa

11 papers B 1C 1Journal 2Unranked 7
YearRankTypeTitle / Venue / Authors
2021 — conf
Alive Monitoring Sensor System with 2.45-GHz Wireless Power Transfer for Self-powered Wireless Sensor.
IEEE SENSORS
F. Nishimura, Y. Hirai, A. Kamitani, Ami Tanaka, Fumiyasu Utsunomiya, Hisashi Nishikawa, Takakuni Douseki
2020 C conf
An RF Distance Sensor Utilizing Harmonic Signal from Rectenna for Power-Controlled Wireless Power Transmission System to Wearable Devices.
ICCE
Norifumi Kashiyama, Kosuke Yoshida, Hisashi Nishikawa, Ami Tanaka, Takakuni Douseki
2019 — conf
Batteryless Speed and Timestamp Recorder with Multi-channel FM Radio Featuring Bicycle Frame Antenna.
ICUFN
Shogo Umemoto, Norifumi Kashiyama, Hisashi Nishikawa, Ami Tanaka, Takakuni Douseki
2019 — conf
IR-UWB Study for Intra-Satellite Wireless Communication.
WiSEE
Johta Awano, Atsushi Tomiki, Hisashi Nishikawa
2018 J jnl
Proposals and Implementation of High Band IR-UWB for Increasing Propagation Distance for Indoor Positioning.
IEICE Trans. Fundam. Electron. Commun. Comput. Sci.
Huan-Bang Li, Ryu Miura, Hisashi Nishikawa, Toshinori Kagawa, Fumihide Kojima
2017 B conf
Improvement of receiver sensitivity for enhancing IR-UWB performance for indoor positioning.
PIMRC
Huan-Bang Li, Ryu Miura, Toshinori Kagawa, Fumihide Kojima, Hisashi Nishikawa
2017 — conf
Wireless-power transmitter with distance sensor for ultra-small wearable devices.
IEEE SENSORS
Takeshi Nishihashi, Hisashi Nishikawa, Norifumi Kashiyama, Ami Tanaka, Takakuni Douseki
2016 — conf
Contactless direct heart-motion sensor using femtofarad-level capacitance-variation detector with VHF-band LC-oscillator.
IEEE SENSORS
Hisashi Nishikawa, Yuta Kambara, Yuya Shimizu, Kei Igarashi, Ami Tanaka, Takakuni Douseki
2016 — conf
Programmable multimode, multichannel universal wireless receiver with FFT-based multicarrier demodulator for batteryless wireless sensors.
IEEE SENSORS
Hisashi Nishikawa, Kei Igarashi, Takeshi Nishihashi, Yuya Shimizu, Ryota Suematsu, Ami Tanaka, Takakuni Douseki
2013 J jnl
Detection Capability of Downlink Signals in Mobile WiMAX and 3GPP LTE with an FFT-Based UWB Receiver.
IEICE Trans. Fundam. Electron. Commun. Comput. Sci.
Kenichi Takizawa, Hirotaka Yamane, Huan-Bang Li, Feng Lu, Kohei Ohno, Takuji Mochizuki, Takashi Okada, Kunio Yata, Hisashi Nishikawa, Takehiko Kobayashi
2010 — conf
Evaluation on detection capability of down-link signals of mobile WiMAX and 3GPP LTE for detect-and-avoid in UWB systems.
ISWCS
Kenichi Takizawa, Hirotaka Yamane, Huan-Bang Li, Feng Lu, Kohei Ohno, Takuji Mochizuki, Takashi Okada, Kunio Yata, Hisashi Nishikawa, Takehiko Kobayashi