Hisashi Nishikawa

According to our database, Hisashi Nishikawa authored at least 11 papers between 2010 and 2021.

Collaborative distances:

• Dijkstra number of five.
• Erdős number of four.

2021

Alive Monitoring Sensor System with 2.45-GHz Wireless Power Transfer for Self-powered Wireless Sensor.

F. Nishimura, Y. Hirai, A. Kamitani, Ami Tanaka, Fumiyasu Utsunomiya, Hisashi Nishikawa, Takakuni Douseki

Proceedings of the 2021 IEEE Sensors, Sydney, Australia, October 31 - Nov. 3, 2021, 2021

2020

An RF Distance Sensor Utilizing Harmonic Signal from Rectenna for Power-Controlled Wireless Power Transmission System to Wearable Devices.

Norifumi Kashiyama, Kosuke Yoshida, Hisashi Nishikawa, Ami Tanaka, Takakuni Douseki

Proceedings of the 2020 IEEE International Conference on Consumer Electronics (ICCE), 2020

2019

IR-UWB Study for Intra-Satellite Wireless Communication.

Johta Awano, Atsushi Tomiki, Hisashi Nishikawa

Proceedings of the 2019 IEEE International Conference on Wireless for Space and Extreme Environments, 2019

Batteryless Speed and Timestamp Recorder with Multi-channel FM Radio Featuring Bicycle Frame Antenna.

Shogo Umemoto, Norifumi Kashiyama, Hisashi Nishikawa, Ami Tanaka, Takakuni Douseki

Proceedings of the Eleventh International Conference on Ubiquitous and Future Networks, 2019

2018

Proposals and Implementation of High Band IR-UWB for Increasing Propagation Distance for Indoor Positioning.

Huan-Bang Li, Ryu Miura, Hisashi Nishikawa, Toshinori Kagawa, Fumihide Kojima

IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2018

2017

Improvement of receiver sensitivity for enhancing IR-UWB performance for indoor positioning.

Huan-Bang Li, Ryu Miura, Toshinori Kagawa, Fumihide Kojima, Hisashi Nishikawa

Proceedings of the 28th IEEE Annual International Symposium on Personal, 2017

Wireless-power transmitter with distance sensor for ultra-small wearable devices.

Takeshi Nishihashi, Hisashi Nishikawa, Norifumi Kashiyama, Ami Tanaka, Takakuni Douseki

Proceedings of the 2017 IEEE SENSORS, Glasgow, United Kingdom, October 29, 2017

2016

Contactless direct heart-motion sensor using femtofarad-level capacitance-variation detector with VHF-band LC-oscillator.

Hisashi Nishikawa, Yuta Kambara, Yuya Shimizu, Kei Igarashi, Ami Tanaka, Takakuni Douseki

Proceedings of the 2016 IEEE SENSORS, Orlando, FL, USA, October 30 - November 3, 2016, 2016

Programmable multimode, multichannel universal wireless receiver with FFT-based multicarrier demodulator for batteryless wireless sensors.

Hisashi Nishikawa, Kei Igarashi, Takeshi Nishihashi, Yuya Shimizu, Ryota Suematsu, Ami Tanaka, Takakuni Douseki

Proceedings of the 2016 IEEE SENSORS, Orlando, FL, USA, October 30 - November 3, 2016, 2016

2013

Detection Capability of Downlink Signals in Mobile WiMAX and 3GPP LTE with an FFT-Based UWB Receiver.

Kenichi Takizawa, Hirotaka Yamane, Huan-Bang Li, Feng Lu, Kohei Ohno, Takuji Mochizuki, Takashi Okada, Kunio Yata, Hisashi Nishikawa, Takehiko Kobayashi

IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2013

2010

Evaluation on detection capability of down-link signals of mobile WiMAX and 3GPP LTE for detect-and-avoid in UWB systems.

Kenichi Takizawa, Hirotaka Yamane, Huan-Bang Li, Feng Lu, Kohei Ohno, Takuji Mochizuki, Takashi Okada, Kunio Yata, Hisashi Nishikawa, Takehiko Kobayashi

Proceedings of the 2010 7th International Symposium on Wireless Communication Systems, 2010