173 results on '"Umebayashi, Kenta"'
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2. Enhanced Signal Area Estimation in Radio-Communication Spectrograms Based on Morphological Image Processing
3. Spectrum Occupancy Prediction based on adaptive Recurrent Neural Networks
4. 家族7人フィンランド滞在記
5. Enhanced Signal Detection and Constellation Design for Massive SIMO Communications with 1-Bit ADCs
6. Energy Detection for M-QAM Signals
7. Distance Estimation Based on Molecular Absorption at THz Frequencies
8. Analysis of transmit power setting technique for cognitive radio networks
9. Utilizing Uncertainty of Time Series Prediction in Spectrum Sharing with Radar Systems
10. On the effect of false alarm rate on the performance of cognitive radio networks
11. Device-to-Device Communications at the TeraHertz band: Open Challenges for Realistic Implementation
12. Proactive Radar Protection System in Shared Spectrum via Forecasting Secondary User Power Levels
13. Resource Allocation in THz-based Subcarrier Index Modulation Systems for Mobile Users
14. Spatio-Temporal Analyses of Environmental Monitoring Based on Wireless Sensor Networks
15. Enhanced Signal Detection for Massive SIMO Communications with 1-Bit ADCs
16. Forecasting Wireless Network Traffic and Channel Utilization Using Real Network/Physical layer Data
17. Time Domain Propagation Characteristics with Causal Channel Model for Terahertz Band
18. Device-to-device Communications at the Terahertz Band: Open Challenges for Realistic Implementation
19. Relay Nodes Selection Using Reinforcement Learning
20. Energy Detection for M-QAM Signals
21. Applying Deep Neural Networks for Duty Cycle Estimation
22. Methods for Fast Estimation of Primary Activity Statistics in Cognitive Radio Systems
23. Performance Analysis of Resource Allocation in THz-Based Subcarrier Index Modulation Systems for Mobile Users
24. High-Efficiency FCME-based Noise Power Estimation for Long-Term and Wide-Band Spectrum Measurements
25. Adaptive threshold setting for OOK modulation with a prefix code in THz band
26. Feature-Based Deep Neural Networks for Short-Term Prediction of WiFi Channel Occupancy Rate
27. Theoretical Analyses of Maximum Cyclic Autocorrelation Selection Based Spectrum Sensing
28. Energy Constrained Optimization for Spreading Factor Allocation in LoRaWAN
29. Applying Deep Neural Networks for Duty Cycle Estimation
30. Methods for Fast Estimation of Primary Activity Statistics in Cognitive Radio Systems
31. Reconstruction Algorithm for Primary Channel Statistics Estimation Under Imperfect Spectrum Sensing
32. Adaptive Antenna Array with weight and antenna space control
33. Estimation of Primary Channel Activity Statistics in Cognitive Radio Based on Imperfect Spectrum Sensing
34. A Study on High-Efficiency Energy Detection-Based Spectrum Measurements
35. Sample Size Analysis of Energy Detection under Fading Channels
36. Direct Beamformer Estimation for Hybrid Architecture in mmWave Dynamic TDD System
37. Weight updating technique in spectrum sensing based on CAF shared diversity combining
38. On Power Consumption of End Device in LoRa Networks with Listen Before Talk
39. Primary Channel Duty Cycle Estimation under Imperfect Spectrum Sensing Based on Mean Channel Periods
40. Primary Channel Duty Cycle Estimation Under Imperfect Spectrum Sensing Based on Mean Channel Periods
41. Accurate Noise Floor Calibration based on Modified Expectation Maximisation of Gaussian Mixture
42. Time and Frequency Varying Noise Floor Estimation for Spectrum Usage Measurement
43. Effect of LBT Time on LoRa Network Performance: Signal Detection Theorem Based Analyses
44. Derivation of Sensing Features for Maximum Cyclic Autocorrelation Selection Based Signal Detection
45. Measurements of LoRa Propagation in Harsh Environment: Numerous NLOS Areas and Ill-Conditioned LoRa Gateway
46. Spectrum usage model for smart spectrum
47. Time Domain Channel Model for the THz Band
48. On the Sample Size for the Estimation of Primary Activity Statistics Based on Spectrum Sensing
49. Statistics Shared CAF Diversity Combining Based Sensing Using Weight Computation Technique
50. Estimation of Primary Channel Activity Statistics in Cognitive Radio Based on Periodic Spectrum Sensing Observations
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