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 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
 Results 1 - 20 of 182  /  [Next]  
Committee Date Time Place Paper Title / Authors Abstract Paper #
IPSJ-AVM, CS, IE, ITE-BCT [detail] 2021-11-25
14:40
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
(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
(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
(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 [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 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
(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   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 [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 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 [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 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 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 [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
CAS, CS 2019-03-09
13:35
Kanagawa Shonan Institute of Technology Success Prioritized Busy Doubled Backoff Algorithm for Non-persistent CSMA
Daisuke Umehara (Kyoto Inst. of Tech.) CAS2018-152 CS2018-120
Persistent carrier-sense multiple access (CSMA) is undesirable for wide-area large-scale data gathering with battery-pow... [more] CAS2018-152 CS2018-120
pp.75-79
CS 2018-11-01
11:20
Ehime The Shiki Museum Success Prioritized Non-persistent CSMA with Sleep Function
Daisuke Umehara (Kyoto Inst. of Tech.) CS2018-60
Persistent carrier-sense multiple access (CSMA) is undesirable for wide-area large-scale data gathering with battery-pow... [more] CS2018-60
pp.25-29
CS 2018-11-01
11:40
Ehime The Shiki Museum Ringing Mitigation Schemes for Controller Area Network
Daisuke Umehara, Takeyuki Shishido (Kyoto Inst. of Tech.) CS2018-61
Controller area network (CAN) is widely distributed as an in-vehicle communications standard. CAN with flexible data-rat... [more] CS2018-61
pp.31-36
CQ, CS
(Joint)
2018-04-19
14:50
Hiroshima Hiroshima Institute of Technology Effect of the Number of Transmitting and Receiving Antennas on Collaborative Interference Canceller with PAM-RoHR
Yudai Tanaka, Daisuke Umehara (Kyoto Inst. of Tech.) CS2018-1
Collaborative interference canceller (CIC) has been proposed to gain receiving antenna diversity by sharing received sig... [more] CS2018-1
pp.1-6
CQ, CS
(Joint)
2018-04-19
16:35
Hiroshima Hiroshima Institute of Technology [Special Invited Talk] Controller Area Network and Its Reduced Wiring Technology
Daisuke Umehara (Kyoto Inst. of Tech.) CS2018-4 CQ2018-6
Controller area network (CAN) is widely distributed as an in-vehicle communications standard. CAN-FD (CAN with Flexible ... [more] CS2018-4 CQ2018-6
pp.17-22(CS), pp.29-34(CQ)
CS 2017-07-27
16:00
Nagasaki Fukue Bunka Kaikan [Invited Talk] Design and Analysis of Success Prioritized Slotted ALOHA with Sleep Function
Daisuke Umehara (Kyoto Inst. of Tech.) CS2017-29
The frame duration will be shortened in advanced wireless sensor data gathering because the frame data size is small and... [more] CS2017-29
pp.83-88
 Results 1 - 20 of 182  /  [Next]  
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