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2020 – today
- 2024
[j8]Danang Kumara Hadi, Zequn Song, Budi Rahmadya, Shogo Kozume, Tomonori Sumiya, Ran Sun, Shigeki Takeda, Xiaoyan Wang:
Indoor Area Estimation System Using RSSI-Measuring Handheld Reader Utilizing Directional Reference RFID Tags and Machine Learning. IEEE Access 12: 157872-157887 (2024)- [j7]Ryoto Koizumi, Xiaoyan Wang, Masahiro Umehira, Ran Sun, Shigeki Takeda:
Experimental Evaluations on Learning-Based Inter-Radar Wideband Interference Mitigation Method. IEICE Trans. Fundam. Electron. Commun. Comput. Sci. 107(8): 1255-1264 (2024) - 2023
- [j6]Zequn Song, Budi Rahmadya
, Ran Sun, Shigeki Takeda:
A Feasibility Study on Monitoring Earthquake-Caused Furniture Vibrations Using Radiofrequency Identification Sensor Tags. Sensors 23(6): 3279 (2023) - [c17]Ryoto Koizumi, Xiaoyan Wang, Masahiro Umehira, Shigeki Takeda, Ran Sun:
RNN-based Interference Suppression Method for CS radar: Simulation and Experimental Evaluations. ICAIIC 2023: 242-247 - 2021
- [j5]Ran Sun, Junichirou Sakai, Kouhei Suzuki, Jiaying Zheng, Shigeki Takeda, Masahiro Umehira, Xiaoyan Wang, Hiroshi Kuroda:
Antenna Element Space Interference Cancelling Radar for Angle Estimations of Multiple Targets. IEEE Access 9: 72547-72555 (2021) - [c16]Zequn Song, Ran Sun, Budi Rahmadya, Shigeki Takeda:
A Battery-Less RFID-Based Wireless Vibration and Physical-Shock Sensing System Using Edge Processing for Long-Term Measurements. ITNAC 2021: 104-106 - [c15]Motoki Ishibashi, Masahiro Umehira, Xiaoyan Wang, Shigeki Takeda:
FFT-based frequency domain filter design for multichannel overlap-windowed-DFTs-OFDM signals. VTC Spring 2021: 1-5 - [c14]Atsushi Masubuchi, Masahiro Umehira, Xiaoyan Wang, Shigeki Takeda:
A Simplified DPD Linearizer using Operation Point Estimation Pilot Signals for Mobile Terminal Application in TDD Wireless Systems. WPMC 2021: 1-6 - 2020
- [j4]Budi Rahmadya, Ran Sun, Shigeki Takeda, Kenichi Kagoshima, Masahiro Umehira:
A Framework to Determine Secure Distances for Either Drones or Robots Based Inventory Management Systems. IEEE Access 8: 170153-170161 (2020) - [c13]Akira Tada, Masahiro Umehira, Xiaoyan Wang, Shigeki Takeda:
DPD based HPA linearizer using in-band operation point estimation pilot for mobile device applications. ICSPCS 2020: 1-7
2010 – 2019
- 2019
- [j3]Shigeki Takeda, Kenichi Kagoshima, Masahiro Umehira:
A Feasibility Study on the Safety Confirmation System Using NFC and UHF Band RFID Tags. IEICE Trans. Inf. Syst. 102-D(9): 1673-1675 (2019) - [c12]Yuki Hatahara, Masahiro Umehira, Xiaoyan Wang, Shigeki Takeda:
Numerical Link Outage Probability Assessment using Meteorological Data for THz-Band Outdoor Wireless Communication Systems. WPMC 2019: 1-5 - 2018
- [j2]Xiaoyan Wang, Masahiro Umehira, Hiroyuki Otsu, Takyuya Kawatani, Shigeki Takeda:
Energy Efficient Learning-Based Indoor Multi-Band WLAN for Smart Buildings. IEEE Access 6: 34324-34333 (2018) - [c11]Takuya Okamoto, Masahiro Umehira, Xiaoyan Wang, Shigeki Takeda:
Feasibility of HPA Linearization System using Amplitude Reference Pilot Signal. APCC 2018: 381-386 - [c10]Xiaoyan Wang, Masahiro Umehira, Shigeki Takeda, Hiroyuki Otsu, Takyuya Kawatani:
Energy Efficient Learning-Based 60GHz Band Coverage Prediction for Multi-Band WLAN. VTC Fall 2018: 1-5 - [c9]Takahiro Okano, Masahiro Umehira, Xiaoyan Wang, Shigeki Takeda:
Overlap-Windowed-DFTs-OFDM with Overlap FFT Filter-Bank for Flexible Uplink Access in 5G and Beyond. VTC Fall 2018: 1-6 - 2016
- [j1]Tomoaki Nagayama, Shigeki Takeda, Masahiro Umehira, Kenichi Kagoshima, Teruyuki Miyajima:
Improving Performance by Countering Human Body Shadowing in 60GHz Band Wireless Systems by Using Two Transmit and Two Receive Antennas. IEICE Trans. Commun. 99-B(2): 422-429 (2016) - [c8]Masahiro Umehira, Shota Rachi, Shigeki Takeda:
Experimental evaluation of a spectrum occupancy rate measurement method based on LSE estimation of Gaussian noise CDF. APCC 2016: 404-408 - [c7]Motohiro Tanabe, Akira Saito, Masahiro Umehira, Shigeki Takeda:
A novel overlap FFT filter-bank using windowing and smoothing techniques to reduce adjacent channel interference for flexible spectrum access. ICTC 2016: 115-120 - 2015
- [c6]Ting Wang, Masahiro Umehira, Hiroyuki Otsu, Shigeki Takeda, Teruyuki Miyajima, Kenichi Kagoshima:
A twin cylinder model for moving human body shadowing in 60GHz WLAN. APCC 2015: 188-192 - [c5]Toshiyasu Motegi, Teruyuki Miyajima, Masahiro Umehira, Shigeki Takeda:
Further evaluation of frequency cooperative ARQ scheme for multi-band WLAN. ISCIT 2015: 97-100 - [c4]Shigeki Nihei, Masahiro Umehira, Shigeki Takeda:
A Modified DFTs-OFDM with DC Subcarrier Shift for Low PAPR and DC Offset Error Robustness. VTC Spring 2015: 1-6 - [c3]Masahiro Umehira, Shigeki Nihei, Hirokazu Fusayasu, Teruyuki Miyajima, Shigeki Takeda, Jun Mashino, Takatoshi Sugiyama:
Performance Evaluation of SSB Transmission of DFTs-OFDM Using Multi-Level BPSK through Nonlinear HPA. VTC Spring 2015: 1-5 - 2014
- [c2]Masahiro Umehira, Gen Saito, Sho Wada, Shigeki Takeda, Teruyuki Miyajima, Kenichi Kagoshima:
Feasibility of RSSI based access network detection for multi-band WLAN using 2.4/5GHz and 60GHz. WPMC 2014: 243-248 - 2013
- [c1]Kenta Sakurai, Masahiro Umehira, Shigeki Takeda:
A novel spectrum sensing scheme using clock timing extraction based feature detection. APCC 2013: 381-386
Coauthor Index
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