Hiroyasu Ishikawa

According to our database, Hiroyasu Ishikawa authored at least 24 papers between 1994 and 2020.

Collaborative distances:

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

2020

Maximum Positioning Error Estimation Method for Detecting User Positions with Unmanned Aerial Vehicle based on Doppler Shifts.

Hiroyasu Ishikawa, Yuki Horikawa, Hideyuki Shinonaga

IEICE Trans. Commun., 2020

Proposal of Instantaneous Power-Line Frequency Synchronized Superimposed Chart for Communications Quality Evaluation of broadband PLC System.

Kenji Kita, Hiroshi Gotoh, Hiroyasu Ishikawa, Hideyuki Shinonaga

IEICE Trans. Commun., 2020

Asynchronous Successive Interference Cancellation for 5G Receiver Operating in Shared Spectrum with Different Radio System.

Issei Kanno, Ryochi Kataoka, Toshinori Suzuki, Hiroyasu Ishikawa, Kosuke Yamazaki, Yoji Kishi

Proceedings of the 54th Asilomar Conference on Signals, Systems, and Computers, 2020

2019

Method for Detecting User Positions with Unmanned Aerial Vehicles Based on Doppler Shifts.

Hiroyasu Ishikawa, Hiroki Onuki, Hideyuki Shinonaga

IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2019

2013

Multiple Symbol Differential Detection with Majority Decision Method for DQPSK in LOS Channel.

Hiroyasu Ishikawa, Hideyuki Shinonaga

IEICE Trans. Commun., 2013

2012

Software Defined Radio Technology for Highly Reliable Wireless Communications.

Hiroyasu Ishikawa

Wirel. Pers. Commun., 2012

A Delta-Sigma Modulator Using a Non-uniform Quantizer Adjusted for the Probability Density of Input Signals.

Toru Kitayabu, Mao Hagiwara, Hiroyasu Ishikawa, Hiroshi Shirai

IEICE Trans. Commun., 2012

Effect of input-signal statistical property in delta-sigma modulator with non-uniform quantization.

Toru Kitayabu, Hiroyasu Ishikawa, Mao Hagiwara, Hiroshi Shirai

Proceedings of the 2012 IEEE Radio and Wireless Symposium, 2012

2011

Adaptive Impedance Control of MIMO Antennas on User Equipment for FDD-LTE.

Issei Kanno, Yoshiaki Amano, Hiroyasu Ishikawa

Proceedings of the 74th IEEE Vehicular Technology Conference, 2011

Proposal of cross-carrier precoding for carrier aggregation enhancement.

Yuji Ikeda, Issei Kanno, Toru Kitayabu, Hiroyasu Ishikawa

Proceedings of the IEEE 22nd International Symposium on Personal, 2011

2010

Small-Sized Shaped Beam Base Station Antenna with Superior Intersector Interference Reduction in High Speed Cellular Systems.

Masayuki Nakano, Hiroyasu Ishikawa, Shinichi Nomoto

IEICE Trans. Commun., 2010

Adaptive Energy Centric Radio Access Selection for Vertical Handover in Heterogeneous Networks.

Issei Kanno, Kosuke Yamazaki, Yuji Ikeda, Hiroyasu Ishikawa

Proceedings of the 2010 IEEE Wireless Communications and Networking Conference, 2010

Generalized architecture of concurrent dual-band transmitter for spectrum aggregation system.

Toru Kitayabu, Hiroyasu Ishikawa

Proceedings of the IEEE 21st International Symposium on Personal, 2010

Energy efficient wireless link monitoring using probability inequality for vertical handover.

Yuji Ikeda, Kosuke Yamazaki, Issei Kanno, Yasuhiko Hiehata, Hiroyasu Ishikawa

Proceedings of the IEEE 21st International Symposium on Personal, 2010

Radio access selection method designed to enhance node availability in multi-mode wireless sensor network.

Kosuke Yamazaki, Issei Kanno, Yuji Ikeda, Hiroyasu Ishikawa

Proceedings of the 6th International Wireless Communications and Mobile Computing Conference, 2010

2006

A Study on Rotational OFDM Transmission with Multi-Dimensional Demodulator and Twin Turbo Decoder.

Noriaki Miyazaki, Yasuyuki Hatakawa, Toshiaki Yamamoto, Hiroyasu Ishikawa, Toshinori Suzuki, Kazunori Takeuchi

Proceedings of the 64th IEEE Vehicular Technology Conference, 2006

Performance Evaluation of Novel Frequency Channel Allocation Algorithm for Pico-Cell System.

Kosuke Yamazaki, Kenya Yonezawa, Hiroyasu Ishikawa, Yoshio Takeuchi

Proceedings of the IEEE 17th International Symposium on Personal, 2006

Multihop Mobile Communications System Adopting Fixed Relay Stations and its Time Slot Allocation Schemes.

Takeo Ohseki, Naoki Fuke, Hiroyasu Ishikawa, Yoshio Takeuchi

Proceedings of the IEEE 17th International Symposium on Personal, 2006

A Study on Likelihood Estimation Method Taking Account of Mutual Information in Multi-Level Symbol ~ A Proposal of Twin Turbo Decoder ~.

Noriaki Miyazaki, Yasuyuki Hatakawa, Toshiaki Yamamoto, Hiroyasu Ishikawa, Toshinori Suzuki

Proceedings of the IEEE 17th International Symposium on Personal, 2006

2005

Evaluation of MC-CDMA with Frequency Interleaving Technique in Frequency Selective Fading Channel.

Masato Furudate, Hiroyasu Ishikawa, Toshinori Suzuki

IEICE Trans. Commun., 2005

2002

18 Mbit/s Carrier Frequency Offset-Spread Spectrum (CFO-SS) System Using 2.4 GHz ISM Band.

Hiroyasu Ishikawa, Naoki Fuke, Keizo Sugiyama, Hideyuki Shinonaga

IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2002

Large-scale CFO-SS (high-speed, long-range 2.4 GHz wireless LAN) network for educational Internet access.

Naoki Fuke, Takayuki Warabino, Hiroyasu Ishikawa, Hideyuki Shinonaga, Takeshi Mizuike

Proceedings of the 2002 IEEE Wireless Communications and Networking Conference Record, 2002

On symbol timing for OFDM based mobile communications systems.

Feng Lu, Takeo Ohseki, Hiroyasu Ishikawa, Hideyuki Shinonaga

Proceedings of the Global Telecommunications Conference, 2002

1994

Selection diversity with decision feedback equalizer.

Hiroyasu Ishikawa, Hideo Kobayashi

Proceedings of 44th IEEE Vehicular Technology Conference: Creating Tomorrow's Mobile Systems, 1994