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ORCIDTakeshi Hirai
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2020 – today
- 2024
[j6]Takeshi Hirai
, Rei Oda, Naoki Wakamiya:
Power-Level-Design-Aware Scalable Framework for Throughput Analysis of GF-NOMA in mMTC. IEEE Internet Things J. 11(17): 28227-28243 (2024)- [j5]Takeshi Hirai, Yuta Ueda, Naoki Wakamiya:
Stochastic-Geometry-Based Throughput Analysis of User-Specific Power-Level-Constrained GF-NOMA. IEEE Internet Things J. 11(18): 29926-29940 (2024) - [c21]Maki Kozaki, Takeshi Hirai, Naoki Wakamiya:
Trajectory Optimization for Multiple Aerial Base Stations for Spatiotemporal Traffic Demand Changes. GCCE 2024: 1381-1382 - [c20]Tomoki Fuchikami, Takeshi Hirai, Naoki Wakamiya:
Spatial Performance Analysis of V2X with Sidelink NOMA with Multiple Interfering Vehicles. ICCE-Taiwan 2024: 605-606 - [c19]Rei Oda, Takeshi Hirai, Naoki Wakamiya:
Energy-Efficient Path-Loss-based Self-Organized Power Level Selection for GF-NOMA in mMTC. ICCE 2024: 1-6 - [c18]Kota Makino, Takeshi Hirai, Tutomu Murase:
Cooperative Mobility Control for Maintaining Required Throughput in Multiple Ad Hoc Networks with Autonomous Mobile Robots. ICNC 2024: 1171-1176 - [c17]Takeshi Hirai, Nobuyoshi Komuro, Naoki Wakamiya:
Reservation-based Grant-Free/Hybrid-Grant Power-Domain Channel-Inverted NORA for Multi-Sized Packets in mMTC. SmartGridComm 2024: 213-219 - [c16]Ashkan Negahban, Takeshi Hirai:
Simulation-Based Performance Analysis of UAV-to-UAV Communications in a Realistic Urban Landscape Considering 3D Blockage Effects. VTC Fall 2024: 1-6 - [c15]Yuta Ueda, Takeshi Hirai, Naoki Wakamiya:
Throughput Maximization in Grant-Free Power-Domain NOMA for 3D Distributed Users by Stochastic Geometry. VTC Fall 2024: 1-6 - 2023
- [c14]Jiquan Xie, Takeshi Hirai, Yulan Gao, Tutomu Murase:
Optimal dynamic power allocation based on multiuser cooperative mobility for energy efficiency. CCNC 2023: 593-598 - [c13]Takeshi Hirai, Taisuke Izumi, Naoki Wakamiya:
Power-Collision-Based 2-Shot Grant-Free NOMA with Cross-Slot SIC for mMTC. GLOBECOM 2023: 6261-6266 - [c12]Takeshi Hirai, Tatsuaki Kimura, Naoki Wakamiya:
Stochastic Geometry-Based Performance Analysis of UAV-to-UAV Based on UAV Heights in 3D Space. ICC 2023: 6603-6608 - [c11]Kota Makino, Takeshi Hirai, Tutomu Murase:
Mobility Control of Avoiding Interference for Autonomous Mobile Robot Ad Hoc Networks. ICCE 2023: 1-6 - [c10]Yuki Ichimura, Shigeo Shioda, Takeshi Hirai:
Modeling and Performance Analysis of Slotted ALOHA with Interference Cancellation for mMTC. MSWiM 2023: 127-136 - [c9]Yuki Ichimura, Shigeo Shioda, Takeshi Hirai:
Performance Analysis of NOMA-Based Slotted ALOHA for Massive Machine Type Communications. SmartGridComm 2023: 1-6 - [c8]Takeshi Hirai, Kouki Doi, Naoki Wakamiya:
Optimal Deployment of an Aerial Base Station in Heterogeneous Cellular Networks for Heterogeneous User Traffic Demands. VTC2023-Spring 2023: 1-6 - 2022
- [c7]Takeshi Hirai, Rei Oda, Naoki Wakamiya:
Power Level Design-aware Throughput Analysis of Grant-Free Power-Domain NOMA in mMTC. GLOBECOM 2022: 105-110 - [c6]Takeshi Hirai, Tatsuaki Kimura, Naoki Wakamiya:
Spatial Performance Analysis of Autonomous Sidelink Cellular-V2X with NOMA. GLOBECOM 2022: 1205-1210 - [c5]Takeshi Hirai, Naoki Wakamiya, Tutomu Murase:
NOMA-dependent Low-Powered Retransmission in Sensing-based SPS for Cellular-V2X Mode 4. VTC Fall 2022: 1-7 - 2021
- [b1]Takeshi Hirai:
Decentralized Cross-layer Congestion Controls for DSRC-V2X and PC5-based Cellular-V2X Mode 4 in Crash Warning System. Nagoya University, Japan, 2021 - [j4]Takeshi Hirai, Tutomu Murase:
NOMA-Aided Probabilistic Cooperative Transmission for PC5-Based Cellular V2X Mode 4 for Crash Warning. IEEE Access 9: 62602-62615 (2021) - [c4]Takeshi Hirai, Predrag Spasojevic:
Link-level Performance Evaluations of Sparse Code Multiple Access for PC5-based Cellular-V2X with Heterogeneous Channel Estimation Errors. VTC Spring 2021: 1-5 - 2020
- [j3]Takeshi Hirai, Tutomu Murase:
Performance Evaluation of NOMA for Sidelink Cellular-V2X Mode 4 in Driver Assistance System With Crash Warning. IEEE Access 8: 168321-168332 (2020) - [j2]Takeshi Hirai, Tutomu Murase:
Performance Evaluations of PC5-based Cellular-V2X Mode 4 for Feasibility Analysis of Driver Assistance Systems with Crash Warning. Sensors 20(10): 2950 (2020) - [c3]Kai Takahashi, Yuto Konuma, Shigeo Shioda, Takeshi Hirai, Tutomu Murase:
Closed-Form Expressions of Performance Metrics of V2X Safety Communication in Urban Scenarios. VTC Fall 2020: 1-6
2010 – 2019
- 2019
- [j1]Takeshi Hirai, Tutomu Murase:
Node Clustering Communication Method With Member Data Estimation to Improve QoS of V2X Communications for Driving Assistance With Crash Warning. IEEE Access 7: 37691-37707 (2019) - [c2]Takeshi Hirai, Tutomu Murase:
Performance Characteristics of Sensing-based SPS of PC5-based C-V2X Mode 4 in Crash Warning Application under Congestion. ITSC 2019: 189-194 - [c1]Takeshi Hirai, Tutomu Murase:
NOMA Concept for PC5-Based Cellular-V2X Mode 4 in Crash Warning System. VTC Fall 2019: 1-6
Coauthor Index
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