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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| CS, IE (Joint) |
2024-12-12 17:05 |
Ehime | Matsuyama City Hall (Ehime, Online) (Primary: On-site, Secondary: Online) |
Characteristic Evaluation of Nonlinear Amplifiers in Semantic Communication for Image Transmission Qijian Zhang, Daisuke Umehara, Nobukazu Takai (KIT)  CS2024-72 |
Recently, with the increase in communication terminals and IoT devices, Deep Joint Source-Channel Coding (Deep JSCC), wh... [more] | CS2024-72 pp.27-32 |
| VLD, DC, RECONF, ICD, IPSJ-SLDM [detail] | 2024-11-13 17:30 |
Oita | COMPAL HALL (Oita, Online) (Primary: On-site, Secondary: Online) |
Effects of Input Signal Power on Nonlinear Amplifiers in Semantic Communication Qijian Zhang, Daisuke Umehara, Nobukazu Takai (KIT) VLD2024-61 ICD2024-79 DC2024-83 RECONF2024-91 |
In recent years, the increase in communication traffic in wireless communication has necessitated more efficient data tr... [more] | VLD2024-61 ICD2024-79 DC2024-83 RECONF2024-91 pp.193-197 |
| CS | 2024-07-12 09:00 |
Nagasaki | Center for Tsushima engagement (Nagasaki) | Improvement of Learning Datasets for Speech Semantic Communications Futo Iwanaga, Daisuke Umehara (KIT) CS2024-28 |
With the rapid increase in data communication volume, the use of resources for wireless data communication is also incre... [more] | CS2024-28 pp.84-89 |
| CS | 2024-07-12 09:20 |
Nagasaki | Center for Tsushima engagement (Nagasaki) | Channel Impulse Response Estimation Based on Sparse Observation of Frequency Response Shuji Ueta, Daisuke Umehara (Kyoto Inst. of Tech) CS2024-29 |
The iterative shrinkage-thresholding algorithm (ISTA) has been adopted to estimate the channel impulse response, includi... [more] | CS2024-29 pp.90-95 |
| CAS, CS | 2024-03-14 13:30 |
Okinawa | (Okinawa) | Characterization of Semantic Communications in Speech Signal Transmission Futo Iwanaga, Daisuke Umehara (Kyoto Inst. of Tech.) CAS2023-118 CS2023-111 |
In recent years, the volume of data in data communication has surged, Characterization of Semantic Communications in Spe... [more] | CAS2023-118 CS2023-111 pp.41-46 |
| CS | 2022-10-28 10:30 |
Hiroshima | Hiroshima City University Satellite campus (Hiroshima, Online) (Primary: On-site, Secondary: Online) |
Improvement of Performance Anomaly for Fairness of Data Frame Time Using Success-Priority DCF Naoya Koyanagi, Daisuke Umehara (KIT) CS2022-46 |
As the number of devices wireless LAN function increases, there will be more opportunities for multiple stations (STAs) ... [more] | CS2022-46 pp.15-20 |
| IPSJ-AVM, CS, IE, ITE-BCT [detail] | 2021-11-25 14:40 |
Online | Online (Online) | Performance Evaluation of Success Prioritized DCF for TCP Congestion Control Algorithms Ryota Miyazaki, Daisuke Umehara (Kyoto Inst. of Tech.) CS2021-65 IE2021-24 |
In recent years, wireless communication devices, such as mobile phones and Internet of Things (IoT) devices have become ... [more] | CS2021-65 IE2021-24 pp.31-34 |
| RISING (3rd) |
2021-11-17 11:00 |
Tokyo | (Tokyo, Online) (Primary: On-site, Secondary: Online) |
Improvement of Performance Anomaly Using Success Prioritized DCF Naoya Koyanagi, Daisuke Umehara (Kyoto Inst. of Tech.) |
In recent years, the number of electronic devices with wireless LAN such as PCs and smartphones has increased. With the ... [more] | |
| RISING (3rd) |
2021-11-17 11:00 |
Tokyo | (Tokyo, Online) (Primary: On-site, Secondary: Online) |
Evaluation of Impulse Response Estimation Algorithm for Indoor Wi-Fi Localization Takahiro Matsuura, Daisuke Umehara (Kyoto Inst. of Tech.) |
In recent years, there has been much research work on indoor localization using Wi-Fi. In this study, we focus on a Wi-F... [more] | |
| RISING (3rd) |
2021-11-17 11:00 |
Tokyo | (Tokyo, Online) (Primary: On-site, Secondary: Online) |
Relationship between Amplitude and Spatial Resolutions for Massive MIMO Mana Yoshida, Daisuke Umehara (KIT) |
One of the major technologies for 5G mobile systems is massive multiple-input multiple-output (MIMO) system. In order to... [more] | |
| IN, NS, CS, NV (Joint) |
2021-09-10 15:10 |
Online | Online (Online) | [Invited Talk]
Performance Analysis Modeling on Success Prioritized DCF Daisuke Umehara, Yamato Yoshikawa (Kyoto Inst. of Tech.) CS2021-50 |
Random access distributed coordination function (DCF) is widely used as a medium access control protocol. We have propos... [more] | CS2021-50 pp.44-46 |
| OCS, CS (Joint) |
2021-01-15 15:50 |
Online | Online (Online) | Effects of 1-bit Comparator for Power over CAN Signal Transmission Takahiro Hara, Daisuke Umehara (KIT) CS2020-76 |
Controller area network (CAN) is widely used for in-vehicle networks. In recent years, much more reducing for CAN wiring... [more] | CS2020-76 pp.2-7 |
| CS | 2020-11-06 11:15 |
Online | Online + Central Community Center, Nonoichi Community Center (Online, Ishikawa) (Primary: Online, Secondary: On-site) |
Performance Analysis of Success-Prioritized DCF in Non-Saturated Condition Yamato Yoshikawa, Daisuke Umehara (KIT) CS2020-59 |
In recent years, mobile terminals with wireless local area network (WLAN) function have become more popular and it is e... [more] |
CS2020-59 pp.64-67 |
| SeMI | 2020-01-30 16:15 |
Kagawa | (Kagawa) | Fairness Enhancement of Energy Consumption Using Friendship in Bluetooth Mesh Keisuke Tada, Daisuke Umehara (KIT Univ.) SeMI2019-104 |
With the recent spread of IoT and wireless sensor networks, wireless communication standards require low energy consumpt... [more] | SeMI2019-104 pp.29-33 |
| RISING (2nd) |
2019-11-27 13:55 |
Tokyo | Fukutake Learning Theater, Hongo Campus, Univ. Tokyo (Tokyo) | [Invited Lecture]
Success Prioritized Random Access Protocols Daisuke Umehara (Kyoto Inst. of Tech.) |
We have proposed the concept of success priority for autonomous distributed random access protocols in wireless networks... [more] | |
| CS | 2019-10-31 11:05 |
Kagoshima | Kirishima-Hotel (Kagoshima) | Distributed Control Schemes of Contention Window for Success Prioritized Non-persistent CSMA Daisuke Umehara (Kyoto Inst. of Tech.) CS2019-65 |
We have presented a binary exponential backoff algorithm in which the contention window (CW) is doubled when the node de... [more] | CS2019-65 pp.15-20 |
| RCS | 2019-10-25 14:10 |
Kanagawa | Yokosuka Research Park (Kanagawa) | [Invited Lecture]
Digital RoHR for Distributed Collaborative MIMO Reception Daisuke Umehara (Kyoto Inst. of Tech.) RCS2019-198 |
We apply the Lloyd-Max quantization to a distributed collaborative interference canceller (DCIC) with digital higher-fre... [more] | RCS2019-198 pp.109-114 |
| CS | 2019-07-04 09:15 |
Kagoshima | Amami City Social Welfare Center (Kagoshima) | Downlink Bandwidth Allocation Control by Success Prioritized DCF Yamato Yoshikawa, Daisuke Umehara (KIT) CS2019-29 |
Due to the popularization of mobile terminals, more stations (STAs) will communicate with one access point (AP) in publi... [more] | CS2019-29 pp.63-65 |
| CS | 2019-07-04 09:15 |
Kagoshima | Amami City Social Welfare Center (Kagoshima) | Effects of Comparator on CAN Transmission Characteristics Takahiro Hara, Daisuke Umehara (KIT) CS2019-30 |
Controller area network (CAN) is widely used for in-vehicle networks. In recent years, CAN with flexible data-rate (CAN... [more] |
CS2019-30 pp.67-72 |
| CS | 2019-07-04 14:20 |
Kagoshima | Amami City Social Welfare Center (Kagoshima) | [Invited Talk]
Design and Analysis of Success Prioritized Busy Doubled Backoff Algorithm for Non-persistent CSMA Daisuke Umehara (Kyoto Inst. of Tech.) CS2019-36 |
In this manuscript, we develop a success prioritized busy doubled backoff algorithm for non-persistent carrier sense mul... [more] | CS2019-36 pp.101-106 |
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