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Kenta Umebayashi
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2020 – today
- 2023
- [j41]Shun Ishihara
, Kenta Umebayashi
, Janne J. Lehtomäki
:
Energy Detection for M-QAM Signals. IEEE Access 11: 6305-6319 (2023) - [j40]Doaa Abdelhameed
, Kenta Umebayashi
, Italo Atzeni
, Antti Tölli
:
Enhanced Signal Detection and Constellation Design for Massive SIMO Communications With 1-Bit ADCs. IEEE Access 11: 11749-11765 (2023) - [j39]Zhaona Wu, Kenta Umebayashi
, Janne Lehtomäki, Nizar Zorba:
Device-to-device Communications at the Terahertz Band: Open Challenges for Realistic Implementation. IEEE Commun. Stand. Mag. 7(1): 82-87 (2023) - [c72]Kenta Umebayashi
, Yoshiki Kasahara, Hiroki Iwata, Ahmed Al-Tahmeesschi, Johanna Vartiainen:
Spectrum Occupancy Prediction based on adaptive Recurrent Neural Networks. WCNC 2023: 1-6 - 2022
- [j38]Su Pyae Sone
, Janne Lehtomäki
, Zaheer Khan
, Kenta Umebayashi
, Zunera Javed
:
Proactive Radar Protection System in Shared Spectrum via Forecasting Secondary User Power Levels. IEEE Access 10: 40367-40380 (2022) - [c71]Janne Lehtomäki, Kenta Umebayashi
, Ahmed Al-Tahmeesschi, Markku J. Juntti:
Distance Estimation Based on Molecular Absorption at THz Frequencies. GLOBECOM (Workshops) 2022: 1598-1603 - 2021
- [j37]Ahmed Al-Tahmeesschi
, Kenta Umebayashi
, Hiroki Iwata
, Janne Lehtomäki
, Miguel López-Benítez
:
Feature-Based Deep Neural Networks for Short-Term Prediction of WiFi Channel Occupancy Rate. IEEE Access 9: 85645-85660 (2021) - [j36]Mohannad Alzard, Saud Althunibat
, Kenta Umebayashi
, Nizar Zorba
:
Performance Analysis of Resource Allocation in THz-Based Subcarrier Index Modulation Systems for Mobile Users. IEEE Access 9: 129771-129781 (2021) - [j35]Hiroki Iwata
, Kenta Umebayashi
, Ahmed Al-Tahmeesschi
, Janne Lehtomäki
:
High-Efficiency FCME-Based Noise Power Estimation for Long-Term and Wide-Band Spectrum Measurements. IEEE Access 9: 149883-149893 (2021) - [c70]Su Pyae Sone
, Janne Lehtomäki, Zaheer Khan, Kenta Umebayashi
:
Forecasting Wireless Network Traffic and Channel Utilization Using Real Network/Physical layer Data. EuCNC/6G Summit 2021: 31-36 - [c69]Mohannad Alzard, Saud Althunibat, Kenta Umebayashi
, Nizar Zorba:
Resource Allocation in THz-based Subcarrier Index Modulation Systems for Mobile Users. GLOBECOM 2021: 1-6 - [c68]Haesik Kim, Takeo Fujii, Kenta Umebayashi
:
Relay Nodes Selection Using Reinforcement Learning. ICAIIC 2021: 329-334 - [c67]Zhaona Wu
, Hiroto Ebisawa, Kenta Umebayashi
, Janne Lehtomäki, Nizar Zorba:
Time Domain Propagation Characteristics with Causal Channel Model for Terahertz Band. ICC Workshops 2021: 1-6 - [c66]Ryoma Yasutani, Koki Kitazumi, Shusuke Narieda
, Takeo Fujii, Kenta Umebayashi
, Hiroshi Naruse:
Spatio-Temporal Analyses of Environmental Monitoring Based on Wireless Sensor Networks. IEEE SENSORS 2021: 1-4 - [c65]Doaa Abdelhameed, Kenta Umebayashi
, Ahmed Al-Tahmeesschi, Italo Atzeni, Antti Tölli:
Enhanced Signal Detection for Massive SIMO Communications with 1-Bit ADCs. SPAWC 2021: 66-70 - [c64]Shun Ishihara
, Kenta Umebayashi
, Janne Lehtomäki:
Energy Detection for M-QAM Signals. VTC Spring 2021: 1-5 - 2020
- [j34]Shusuke Narieda
, Daiki Cho, Hiromichi Ogasawara, Kenta Umebayashi
, Takeo Fujii, Hiroshi Naruse:
Theoretical Analyses of Maximum Cyclic Autocorrelation Selection Based Spectrum Sensing. IEICE Trans. Commun. 103-B(12): 1462-1469 (2020) - [j33]Shusuke Narieda
, Takeo Fujii
, Kenta Umebayashi
:
Energy Constrained Optimization for Spreading Factor Allocation in LoRaWAN. Sensors 20(16): 4417 (2020) - [j32]Ogeen H. Toma
, Miguel López-Benítez
, Dhaval K. Patel
, Kenta Umebayashi
:
Estimation of Primary Channel Activity Statistics in Cognitive Radio Based on Imperfect Spectrum Sensing. IEEE Trans. Commun. 68(4): 2016-2031 (2020) - [c63]Ayumi Kaichi, Shusuke Narieda, Takeo Fujii, Kenta Umebayashi, Hiroshi Naruse:
On Placement of End Devices in LPWAN Based WSN for Environmental Monitoring Applications. APSIPA 2020: 1519-1522 - [c62]Shusuke Narieda
, Takeo Fujii, Kenta Umebayashi
:
On Power Consumption of End Device in LoRa Networks with Listen Before Talk. ICOIN 2020: 297-300 - [c61]Ahmed Al-Tahmeesschi, Kenta Umebayashi
, Hiroki Iwata, Miguel López-Benítez
, Janne Lehtomäki:
Applying Deep Neural Networks for Duty Cycle Estimation. WCNC 2020: 1-7 - [c60]Hiroki Iwata, Kenta Umebayashi
, Ahmed Al-Tahmeesschi, Satya Krishna Joshi, Miguel López-Benítez
, Janne J. Lehtomäki:
A Study on High-Efficiency Energy Detection-Based Spectrum Measurements. WCNC Workshops 2020: 1-6 - [c59]Miguel López-Benítez
, Ogeen H. Toma, Dhaval K. Patel, Kenta Umebayashi
:
Methods for Fast Estimation of Primary Activity Statistics in Cognitive Radio Systems. WCNC 2020: 1-5 - [c58]Miguel López-Benítez
, Ogeen H. Toma, Dhaval K. Patel, Kenta Umebayashi
:
Sample Size Analysis of Energy Detection under Fading Channels. WCNC Workshops 2020: 1-6 - [c57]Prashant Kumar Shah, Krishna Joshi, Satya Krishna Joshi, Antti Tölli, Kenta Umebayashi
:
Direct Beamformer Estimation for Hybrid Architecture in mmWave Dynamic TDD System. WCNC Workshops 2020: 1-6 - [c56]Ogeen H. Toma, Miguel López-Benítez
, Dhaval K. Patel, Kenta Umebayashi
:
Reconstruction Algorithm for Primary Channel Statistics Estimation Under Imperfect Spectrum Sensing. WCNC 2020: 1-5 - [c55]Kenta Umebayashi
, Yoshimasa Kimoto, Antti Tölli:
Adaptive Antenna Array with weight and antenna space control. WCNC 2020: 1-6
2010 – 2019
- 2019
- [j31]Kenta Umebayashi
, Yoshitaka Tamaki, Miguel López-Benítez
, Janne J. Lehtomäki:
Design of Spectrum Usage Detection in Wideband Spectrum Measurements. IEEE Access 7: 133725-133737 (2019) - [j30]Ahmed Al-Tahmeesschi
, Miguel López-Benítez
, Dhaval K. Patel
, Janne Lehtomäki
, Kenta Umebayashi
:
On the Sample Size for the Estimation of Primary Activity Statistics Based on Spectrum Sensing. IEEE Trans. Cogn. Commun. Netw. 5(1): 59-72 (2019) - [j29]Miguel López-Benítez
, Ahmed Al-Tahmeesschi, Dhaval K. Patel
, Janne J. Lehtomäki
, Kenta Umebayashi
:
Estimation of Primary Channel Activity Statistics in Cognitive Radio Based on Periodic Spectrum Sensing Observations. IEEE Trans. Wirel. Commun. 18(2): 983-996 (2019) - [c54]Shusuke Narieda
, Takeo Fujii, Kenta Umebayashi
:
Effect of LBT Time on LoRa Network Performance: Signal Detection Theorem Based Analyses. DySPAN 2019: 1-2 - [c53]Ogeen H. Toma
, Miguel López-Benítez
, Dhaval K. Patel
, Kenta Umebayashi
:
Primary Channel Duty Cycle Estimation under Imperfect Spectrum Sensing Based on Mean Channel Periods. GLOBECOM 2019: 1-6 - [c52]Shusuke Narieda
, Daiki Cho, Kenta Umebayashi
, Hiroshi Naruse:
Statistics Shared CAF Diversity Combining Based Sensing Using Weight Computation Technique. ICAIIC 2019: 132-137 - [c51]Kenta Umebayashi
:
Spectrum usage model for smart spectrum. ICCC Workshops 2019: 48-53 - [c50]Kazuhiro Tsujimura, Kenta Umebayashi
, Joonas Kokkoniemi, Janne Lehtomäki:
Time Domain Channel Model for the THz Band. ISWCS 2019: 446-449 - [c49]Kenta Inagaki, Shusuke Narieda
, Takeo Fujii, Kenta Umebayashi
, Hiroshi Naruse:
Measurements of LoRa Propagation in Harsh Environment: Numerous NLOS Areas and Ill-Conditioned LoRa Gateway. VTC Fall 2019: 1-5 - [c48]Shusuke Narieda
, Daiki Cho, Hiromichi Ogasawara, Kenta Umebayashi
, Takeo Fujii, Hiroshi Naruse:
Derivation of Sensing Features for Maximum Cyclic Autocorrelation Selection Based Signal Detection. VTC Fall 2019: 1-5 - [c47]Hiroki Iwata, Kenta Umebayashi
, Ahmed Al-Tahmeesschi, Miguel López-Benítez
, Janne J. Lehtomäki:
Time and Frequency Varying Noise Floor Estimation for Spectrum Usage Measurement. WCNC Workshops 2019: 1-6 - [c46]Miguel López-Benítez
, Janne Lehtomäki, Kenta Umebayashi
, Dhaval Patel
:
Accurate Noise Floor Calibration based on Modified Expectation Maximisation of Gaussian Mixture. WCNC 2019: 1-6 - 2018
- [j28]Ahmed Al-Tahmeesschi
, Miguel López-Benítez
, Valerio Selis
, Dhaval K. Patel
, Kenta Umebayashi
:
Cooperative Estimation of Primary Traffic Under Imperfect Spectrum Sensing and Byzantine Attacks. IEEE Access 6: 61651-61664 (2018) - [j27]Hiroki Iwata, Kenta Umebayashi
, Janne J. Lehtomäki, Shusuke Narieda
:
Welch FFT Segment Size Selection Method for FFT Based Wide Band Spectrum Measurement. IEICE Trans. Commun. 101-B(7): 1733-1743 (2018) - [j26]Kenta Umebayashi
, Masanao Kobayashi, Miguel López-Benítez
:
Efficient Time Domain Deterministic-Stochastic Model of Spectrum Usage. IEEE Trans. Wirel. Commun. 17(3): 1518-1527 (2018) - [c45]Kazuhiro Tsujimura, Kenta Umebayashi
, Joonas Kokkoniemi, Janne Lehtomäki:
A study on impulse response model of reflected path for THz band. APSIPA 2018: 794-798 - [c44]Ahmed Al-Tahmeesschi, Miguel López-Benítez
, Janne J. Lehtomäki, Kenta Umebayashi
:
Accurate estimation of primary user traffic based on periodic spectrum sensing. WCNC 2018: 1-6 - [c43]Ahmed Al-Tahmeesschi, Miguel López-Benítez
, Janne J. Lehtomäki, Kenta Umebayashi
:
Improving primary statistics prediction under imperfect spectrum sensing. WCNC 2018: 1-6 - [c42]Kenta Umebayashi
, Miguel López-Benítez
:
A study on time domain deterministic-stochastic model of spectrum usage in WLAN. WCNC 2018: 1-6 - 2017
- [j25]Kenta Umebayashi
, Kazuhiro Hayashi, Janne J. Lehtomäki:
Threshold-Setting for Spectrum Sensing Based on Statistical Information. IEEE Commun. Lett. 21(7): 1585-1588 (2017) - [j24]Takeo Fujii, Kenta Umebayashi
:
Smart Spectrum for Future Wireless World. IEICE Trans. Commun. 100-B(9): 1661-1673 (2017) - [c41]Kenta Umebayashi
, Hiroki Iwata, Janne J. Lehtomäki, Miguel López-Benítez
:
Study on simple signal area estimation for efficient spectrum measurements. EuCNC 2017: 1-5 - [c40]Ahmed Al-Tahmeesschi, Miguel López-Benítez
, Kenta Umebayashi
, Janne J. Lehtomäki:
Analytical study on the estimation of primary activity distribution based on spectrum sensing. PIMRC 2017: 1-5 - [c39]Ahmed Al-Tahmeesschi, Miguel López-Benítez
, Janne J. Lehtomäki, Kenta Umebayashi
:
Investigating the Estimation of Primary Occupancy Patterns under Imperfect Spectrum Sensing. WCNC Workshops 2017: 1-6 - [c38]Miguel López-Benítez
, Ahmed Al-Tahmeesschi, Kenta Umebayashi
, Janne J. Lehtomäki:
PECAS: A Low-Cost Prototype for the Estimation of Channel Activity Statistics in Cognitive Radio. WCNC 2017: 1-6 - [c37]Riki Mizuchi, Kenta Umebayashi
, Janne J. Lehtomäki, Miguel López-Benítez
:
A Study on False Alarm Cancellation for Spectrum Usage Measurements. WCNC Workshops 2017: 1-6 - 2016
- [j23]Kenta Umebayashi
, Janne J. Lehtomäki, Isameldin Suliman:
Analysis of transmit power setting technique for cognitive radio networks. EURASIP J. Wirel. Commun. Netw. 2016: 144 (2016) - [j22]Kenta Umebayashi
, Kazuki Moriwaki, Riki Mizuchi, Hiroki Iwata
, Samuli Tiiro, Janne J. Lehtomäki, Miguel López-Benítez
, Yasuo Suzuki:
Simple Primary User Signal Area Estimation for Spectrum Measurement. IEICE Trans. Commun. 99-B(2): 523-532 (2016) - [j21]Hiroki Iwata
, Kenta Umebayashi
, Samuli Tiiro, Janne J. Lehtomäki, Miguel López-Benítez
, Yasuo Suzuki:
Welch FFT Segment Size Selection Method for Spectrum Awareness System. IEICE Trans. Commun. 99-B(8): 1813-1823 (2016) - [j20]Miguel López-Benítez
, Janne J. Lehtomäki, Kenta Umebayashi
, Fernando Casadevall
:
Smart Spectrum Technologies for Mobile Information Systems. Mob. Inf. Syst. 2016: 3402450:1-3402450:2 (2016) - [c36]Daiki Cho, Atsushi Kondo, Shusuke Narieda
, Kenta Umebayashi
:
CAF Diversity Combining for Spectrum Sensing by Test Statistics Sharing with Time-Averaged Weights. VTC Fall 2016: 1-5 - [c35]Hiroki Iwata
, Kenta Umebayashi
, Samuli Tiiro, Yasuo Suzuki, Janne J. Lehtomäki:
A study on Welch FFT segment size selection method for spectrum awareness. WCNC 2016: 1-6 - [c34]Hiroki Iwata
, Kenta Umebayashi
, Samuli Tiiro, Yasuo Suzuki, Janne J. Lehtomäki:
A study on Welch FFT segment size selection method for spectrum awareness. WCNC Workshops 2016: 252-257 - 2015
- [j19]Isameldin Suliman, Janne J. Lehtomäki, Kenta Umebayashi
:
On the effect of false alarm rate on the performance of cognitive radio networks. EURASIP J. Wirel. Commun. Netw. 2015: 244 (2015) - [j18]Janne J. Lehtomäki, Miguel López-Benítez
, Kenta Umebayashi
, Markku J. Juntti
:
Improved Channel Occupancy Rate Estimation. IEEE Trans. Commun. 63(3): 643-654 (2015) - [c33]Hiroki Iwata
, Kenta Umebayashi
, Samuli Tiiro, Yasuo Suzuki, Janne J. Lehtomäki:
Optimum welch FFT segment size for duty cycle estimation in spectrum awareness system. WCNC Workshops 2015: 229-234 - 2014
- [j17]Kenta Umebayashi
, Genichiro Murata, Yasuo Suzuki:
Detection Method of Same Spreading Code Signals by Multimodulus Algorithm. IEICE Trans. Commun. 97-B(4): 807-816 (2014) - [j16]Samuli Tiiro, Kenta Umebayashi
, Janne J. Lehtomäki, Yasuo Suzuki:
Spectrum Sharing in MIMO Cognitive Radio Systems with Imperfect Channel State Information. IEICE Trans. Commun. 97-B(4): 867-874 (2014) - [c32]Attaphongse Taparugssanagorn
, Kenta Umebayashi
, Janne J. Lehtomäki, Carlos A. Pomalaza-Raez
:
Analysis of the Effect of Nonlinear Low Noise Amplifier with Memory for Wideband Spectrum Sensing. 5GU 2014: 87-91 - [c31]Kenta Umebayashi
, Samuli Tiiro, Janne J. Lehtomäki:
Development of a measurement system for spectrum awareness. 5GU 2014: 234-239 - [c30]Kenta Umebayashi
, F. Nakabayashi, Yasuo Suzuki:
A study on secure pilot signal design for OFDM systems. APSIPA 2014: 1-5 - [c29]Kenta Umebayashi
, Ryota Takagi, Naoki Ioroi, Yasuo Suzuki, Janne J. Lehtomäki:
Duty cycle and noise floor estimation with welch FFT for spectrum usage measurements. CrownCom 2014: 73-78 - [c28]Seiya Kato, Kenta Umebayashi
, Yasuo Suzuki:
A study on detection of receiving signal status change with array antenna. ICOIN 2014: 91-96 - [c27]Samuli Tiiro, Kenta Umebayashi
, Yasuo Suzuki:
Cooperative source number estimation for cognitive radio networks. ICOIN 2014: 401-405 - 2013
- [j15]Isameldin Suliman, Janne J. Lehtomäki, Kenta Umebayashi
, Marcos D. Katz:
Analysis of Cognitive Radio Networks with Imperfect Sensing. IEICE Trans. Commun. 96-B(6): 1605-1615 (2013) - [j14]Masashi Tsuji, Kenta Umebayashi
, Yasuo Suzuki:
Detection of the Number of Signals with Fewer Sensors than Sources. IEICE Trans. Commun. 96-B(9): 2235-2243 (2013) - [j13]Janne J. Lehtomäki, Risto Vuohtoniemi, Kenta Umebayashi
:
On the Measurement of Duty Cycle and Channel Occupancy Rate. IEEE J. Sel. Areas Commun. 31(11): 2555-2565 (2013) - [c26]Kenta Umebayashi
, Janne J. Lehtomäki, Yasuo Suzuki:
Study on spectrum sharing method based on distance estimation for cognitive radio networks. GLOBECOM 2013: 890-895 - [c25]Satoru Shimosaka, Kenta Umebayashi
, Yasuo Suzuki:
A study on stream assignment method for secure MIMO communication. ICOIN 2013: 12-17 - [c24]Genichiro Murata, Kenta Umebayashi
, Yasuo Suzuki:
A study on detection method of same spreading code signals by multimodulus algorithm. ICOIN 2013: 268-273 - [c23]Takashi Miura, Kenta Umebayashi
, Yasuo Suzuki, Janne J. Lehtomäki:
Robust multiple hypothesis testing approach for dynamic spectrum sharing. PIMRC 2013: 606-610 - [c22]Tokihito Watanabe, Kenta Umebayashi
, Yasuo Suzuki:
Blind channel order and delay timing estimation in autonomous decentralized network using asynchronous DS-CDMA. PIMRC 2013: 907-911 - [c21]Samuli Tiiro, Kenta Umebayashi
, Yasuo Suzuki:
Power control method for MIMO-based cognitive radio with imperfect channel state information. WCNC 2013: 4203-4208 - 2012
- [j12]Janne J. Lehtomäki, Risto Vuohtoniemi, Kenta Umebayashi
, Juha-Pekka Mäkelä:
Energy Detection Based Estimation of Channel Occupancy Rate with Adaptive Noise Estimation. IEICE Trans. Commun. 95-B(4): 1076-1084 (2012) - [j11]Kenta Umebayashi
, Hironori Tsuchiya, Yasuo Suzuki:
Analysis of Optimal Weighted Cooperative Spectrum Sensing with Multiple Antenna Elements. IEICE Trans. Commun. 95-B(10): 3261-3269 (2012) - [j10]Kenta Umebayashi
, Janne J. Lehtomäki, Takanao Yazawa, Yasuo Suzuki:
Efficient Decision Fusion for Cooperative Spectrum Sensing Based on OR-rule. IEEE Trans. Wirel. Commun. 11(7): 2585-2595 (2012) - [c20]Janne J. Lehtomäki, Risto Vuohtoniemi, Kenta Umebayashi
:
Duty cycle and channel occupancy rate estimation with MED-FCME LAD ACC. CrownCom 2012: 236-241 - [c19]Kenta Umebayashi
, Yasuo Suzuki:
Analysis of optimal weighted cooperative spectrum sensing based on estimation of primary user signal power. SPAWC 2012: 164-168 - [c18]Kenta Umebayashi
, Janne J. Lehtomäki, Yasuo Suzuki:
Study on efficient decision fusion in OR-rule based cooperative spectrum sensing. WCNC 2012: 714-718 - 2011
- [j9]Abdul Malik Nazari, Yukihiro Kamiya, Ko Shojima, Kenta Umebayashi
, Yasuo Suzuki:
A New Blind Beamforming and Hop-Timing Detection for FH Communications. IEICE Trans. Commun. 94-B(5): 1234-1242 (2011) - [c17]Johanna Vartiainen, Janne J. Lehtomäki, Timo Bräysy
, Kenta Umebayashi
:
Spectrum sensing in public safety applications: The 2-D LAD ACC method. CrownCom 2011: 61-65 - [c16]Kenta Umebayashi
, Yasuo Suzuki, Janne J. Lehtomäki:
Dynamic selection of CWmin in cognitive radio networks for protecting IEEE 802.11 primary users. CrownCom 2011: 266-270 - [c15]Kenta Umebayashi
, Janne J. Lehtomäki, Shinya Hatakeyama, Yasuo Suzuki:
Cyclostationary spectrum sensing under four-level hypothesis for spectrum sharing. PIMRC 2011: 2338-2343 - [c14]Sho Furuichi, Kenta Umebayashi
, Yasuo Suzuki:
Performance evaluation of limited feedback transmit precoding via phase rotation in correlated MIMO channel. WCSP 2011: 1-5 - 2010
- [j8]Masashi Tsuji, Kenta Umebayashi
, Yukihiro Kamiya, Yasuo Suzuki:
Accurate Estimation of the Number of Weak Coherent Signals. IEICE Trans. Commun. 93-B(10): 2715-2724 (2010) - [j7]Johanna Vartiainen, Janne J. Lehtomäki, Harri Saarnisaari, Markku J. Juntti, Kenta Umebayashi
:
Two-Dimensional Signal Localization Algorithm for Spectrum Sensing. IEICE Trans. Commun. 93-B(11): 3129-3136 (2010) - [j6]Zaheer Khan, Janne J. Lehtomäki, Kenta Umebayashi
, Johanna Vartiainen:
On the Selection of the Best Detection Performance Sensors for Cognitive Radio Networks. IEEE Signal Process. Lett. 17(4): 359-362 (2010)
2000 – 2009
- 2009
- [j5]Janne J. Lehtomäki, Isameldin Suliman, Kenta Umebayashi
, Yasuo Suzuki:
Teletraffic Analysis of Direct Communication with Clustering. IEICE Trans. Fundam. Electron. Commun. Comput. Sci. 92-A(5): 1356-1362 (2009) - [c13]Kenta Umebayashi
, Kohei Kasahara, Yukihiro Kamiya, Yasuo Suzuki:
A Novel Spectrum Sharing Technique Based on Channel Occupancy Rate Information. GLOBECOM 2009: 1-6 - [c12]Isameldin Suliman, Janne J. Lehtomäki, Timo Bräysy
, Kenta Umebayashi
:
Analysis of cognitive radio networks with imperfect sensing. PIMRC 2009: 1616-1620 - [c11]Masahisa Konno, Yukihiro Kamiya, Kenta Umebayashi
, Yasuo Suzuki:
An application of adaptive array antennas for wireless ad hoc networks based on FIA. PIMRC 2009: 2566-2570 - [c10]Kenta Umebayashi
, Yukihiro Kamiya, Yasuo Suzuki, Janne J. Lehtomäki:
Transmit power selection by cooperative sensing in cognitive radio networks. WCNC 2009: 711-716 - 2008
- [j4]Hiromasa Uchiyama, Kenta Umebayashi
, Takeo Fujii, Fumie Ono, Kei Sakaguchi, Yukihiro Kamiya, Yasuo Suzuki:
Study on Soft Decision Based Cooperative Sensing for Cognitive Radio Networks. IEICE Trans. Commun. 91-B(1): 95-101 (2008) - [j3]Keigo Hasegawa, Takeo Fujii, Kenta Umebayashi
, Yukihiro Kamiya, Yasuo Suzuki:
Dialogue-Based Broadcasting Protocol for Wireless Ad Hoc Networks. IEICE Trans. Fundam. Electron. Commun. Comput. Sci. 91-A(7): 1642-1651 (2008) - [j2]Miho Kozuma, Atsushi Sasaki, Yukihiro Kamiya, Takeo Fujii, Kenta Umebayashi
, Yasuo Suzuki:
A New Blind Adaptive Array Antenna Based on CMA Criteria for M-Ary/SS Signals Suitable for Software Defined Radio Architecture. IEICE Trans. Fundam. Electron. Commun. Comput. Sci. 91-A(8): 1982-1989 (2008) - [j1]Nguyen Tran Khoa, Takeo Fujii, Kenta Umebayashi
, Yukihiro Kamiya, Yasuo Suzuki:
Frequency sharing hotspot communication under uplink multi-carrier CDMA cellular system. Wirel. Commun. Mob. Comput. 8(5): 563-573 (2008) - [c9]Shota Uehara, Naoto Matsushita, Yukihiro Kamiya, Kenta Umebayashi
, Yasuo Suzuki:
A new adaptive array antenna application for personal area networks based on cross-degree of freedom concept. PIMRC 2008: 1-5 - [c8]Kenta Umebayashi
, Janne J. Lehtomäki, Yukihiro Kamiya, Yasuo Suzuki:
Study on cooperative sensing based on miss detection criteria. PIMRC 2008: 1-5 - [c7]Shingo Watanabe, Yukihiro Kamiya, Kenta Umebayashi
, Yasuo Suzuki:
A new efficient and robust MAC protocol against multipath fading for ad hoc networks. PIMRC 2008: 1-5 - 2007
- [c6]Abdul Malik Nazari, Ko Shojima, Yukihiro Kamiya, Kenta Umebayashi
, Yasuo Suzuki:
A New Approach for Blind Frequency-Hopping Detection using Adaptive Array Antenna based on CMA. PIMRC 2007: 1-6 - [c5]Hiromasa Uchiyama, Kenta Umebayashi
, Yukihiro Kamiya, Yasuo Suzuki, Takeo Fujii, Fumie Ono, Kei Sakaguchi:
Study on Cooperative Sensing in Cognitive Radio based AD-HOC Network. PIMRC 2007: 1-5 - [c4]Kenta Umebayashi
, Ulrico Celentano, Yasuo Suzuki:
Channel Assignment based on Iterative Exchange in Wireless Ad-Hoc Networks. PIMRC 2007: 1-5 - 2006
- [c3]Kenta Umebayashi
, Janne J. Lehtomäki, Keijo Ruotsalainen:
Analysis of Minimum Hellinger Distance Identification for Digital Phase Modulation. ICC 2006: 2952-2956 - 2002
- [c2]Himnon Uchikawa, Kenta Umebayashi
, Ryuji Kohno:
Secure download system based on software defined radio composed of FPGAs. PIMRC 2002: 437-441 - 2000
- [c1]Kenta Umebayashi
, Satoru Ishii, Ryuji Kohno:
Blind adaptive estimation of modulation scheme for software defined radio. PIMRC 2000: 43-47
Coauthor Index
aka: Janne Lehtomäki
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Privacy notice: By enabling the option above, your browser will contact the API of archive.org to check for archived content of web pages that are no longer available. Although we do not have any reason to believe that your call will be tracked, we do not have any control over how the remote server uses your data. So please proceed with care and consider checking the Internet Archive privacy policy.
Reference lists
Add a list of references from ,
, and
to record detail pages.
load references from crossref.org and opencitations.net
Privacy notice: By enabling the option above, your browser will contact the APIs of crossref.org, opencitations.net, and semanticscholar.org to load article reference information. Although we do not have any reason to believe that your call will be tracked, we do not have any control over how the remote server uses your data. So please proceed with care and consider checking the Crossref privacy policy and the OpenCitations privacy policy, as well as the AI2 Privacy Policy covering Semantic Scholar.
Citation data
Add a list of citing articles from and
to record detail pages.
load citations from opencitations.net
Privacy notice: By enabling the option above, your browser will contact the API of opencitations.net and semanticscholar.org to load citation information. Although we do not have any reason to believe that your call will be tracked, we do not have any control over how the remote server uses your data. So please proceed with care and consider checking the OpenCitations privacy policy as well as the AI2 Privacy Policy covering Semantic Scholar.
OpenAlex data
Load additional information about publications from .
Privacy notice: By enabling the option above, your browser will contact the API of openalex.org to load additional information. Although we do not have any reason to believe that your call will be tracked, we do not have any control over how the remote server uses your data. So please proceed with care and consider checking the information given by OpenAlex.
last updated on 2024-08-05 20:21 CEST by the dblp team
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