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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| RCS | 2014-04-18 13:00 |
Aichi | Nagoya Institute of Technology (Aichi) | System Throughput Improvement by Timeout Optimization for CSMA/CA based Wireless Network Coding Prototype Kazuki Maruta, Jun Mashino, Nobuaki Otsuki, Takatoshi Sugiyama (NTT)  RCS2014-13 |
This paper reveals the system throughput improvement on CSMA/CA (Carrier Sense Multiple Access with Collision Avoidance)... [more] | RCS2014-13 pp.67-72 |
| RCS | 2013-10-18 14:50 |
Tokyo | Sophia Univ. (Tokyo) | Performance Evaluation of CSMA-based Wireless Network Coding Prototype in Outdoor Environment Jun Mashino, Kazuki Maruta, Nobuaki Otsuki, Takatoshi Sugiyama (NTT) RCS2013-169 |
We have developed the wireless network coding prototype to improve system throughput of bi-directional multi-hop wireles... [more] | RCS2013-169 pp.157-162 |
| NS, RCS (Joint) |
2012-12-13 12:50 |
Ehime | Ehime Univ. (Ehime) | Performance Evaluation of Developed Wireless Network Coding Prototype in Outdoor Environment Kazuki Maruta, Jun Mashino, Nobuaki Otsuki, Takatoshi Sugiyama (NTT) NS2012-121 RCS2012-196 |
This paper presents the feasibility and the performances of the wireless network coding (WNC) prototype in outdoor envir... [more] | NS2012-121 RCS2012-196 pp.25-30(NS), pp.77-82(RCS) |
| SAT, RCS (Joint) |
2012-08-31 15:40 |
Kochi | Kochi City Cultura-Plaza CUL-PORT (Kochi) | Throughput improvement of Wireless LAN system with RoF Yusei Okamoto, Tomohiko Mimura, Masahiro Morikura, Koji Yamamoto (Kyoto Univ.), Nobuaki Otsuki, Takatoshi Sugiyama (NTT) RCS2012-123 |
This paper deals with a wireless local area network (wireless LAN) system with Radio over Fiber (RoF), in which a teleco... [more] | RCS2012-123 pp.163-168 |
| MoNA, AN, USN (Joint) |
2012-01-19 15:35 |
Mie | Todaya (Toba) (Mie) | CW optimization of Relay CSMA/CA with Hidden Terminals Yuki Sangenya, Masahiro Morikura (Kyoto Univ.), Daisuke Umehara (Kyoto Inst. of Tech.), Nobuaki Otsuki, Takatoshi Sugiyama (NTT) AN2011-66 |
This paper clarifies that the optimized minimum contention window sizes of the access point and the relay station can im... [more] | AN2011-66 pp.65-70 |
| NS, RCS (Joint) |
2011-12-15 15:55 |
Yamaguchi | Yamaguchi University (Yamaguchi) | Performance Evaluation of Developed Wireless Network Coding Prototype in Frequency Selective Fading Environment Nobuaki Otsuki, Takatoshi Sugiyama (NTT) NS2011-132 RCS2011-245 |
This paper presents the feasibility and the performances of the wireless network coding prototype based on TDMA using GP... [more] | NS2011-132 RCS2011-245 pp.79-84(NS), pp.75-80(RCS) |
| MoNA, IN (Joint) |
2011-11-17 10:30 |
Fukuoka | (Fukuoka) | Bidirectional VoIP Transmission Performances in Coexistence with WLAN and WSN Yohei Fujii, Masahiro Morikura (Kyoto Univ.), Daisuke Umehara (Kyoto Institute of Technology), Nobuaki Otsuki, Takatoshi Sugiyama (NTT) IN2011-93 |
This paper shows an effect of a hybrid station (H-STA) to real-time traffic such as a VoIP application in WLANs when WLA... [more] | IN2011-93 pp.1-6 |
| MoNA, IN (Joint) |
2011-11-17 10:55 |
Fukuoka | (Fukuoka) | A CSMA/CA Scheme with Virtual Group for Two-hop WLAN Systems Yuki Nakato, Masahiro Morikura (Kyoto Univ.), Daisuke Umehara (KIT), Nobuaki Otsuki, Takatoshi Sugiyama (NTT) IN2011-94 |
This paper clari es that the MAC parameter control scheme enables to improve uni-directional throughput performances of ... [more] | IN2011-94 pp.7-12 |
| RCS, NS (Joint) |
2011-07-22 14:55 |
Hokkaido | Asahikawa Civic Culture Hall (Hokkaido) | Performance Evaluation of System Throughput Using Frame Aggregation Technique by Developed Wireless Network Coding Prototype Nobuaki Otsuki, Takatoshi Sugiyama (NTT) RCS2011-103 |
[more] | RCS2011-103 pp.169-174 |
| RCS, IN (Joint) |
2011-05-27 10:30 |
Tokyo | Kikai-Shinko-Kaikan Bldg. (Tokyo) | Coexistence Scheme between WLAN and Wireless Sensor Network Yohei Fujii, Masahiro Morikura (Kyoto Univ.), Daisuke Umehara (Kyoto Institute of Tech), Satoshi Denno (Okayama Univ.), Nobuaki Otsuki, Takatoshi Sugiyama (NTT) RCS2011-30 |
This paper proposes a new control scheme between IEEE 802.11 (WLAN) devices and IEEE 802.15.4 (Wireless Sensor Network) ... [more] | RCS2011-30 pp.65-70 |
| RCS, IN (Joint) |
2011-05-27 10:55 |
Tokyo | Kikai-Shinko-Kaikan Bldg. (Tokyo) | Performance Improvement of Wireless Relay CSMA/CA System Employing Network Coding by QoS Control Yuki Nakato, Masahiro Morikura (Kyoto Univ.), Daisuke Umehara (KIT), Satoshi Denno (Okayama Univ.), Nobuaki Otsuki, Takatoshi Sugiyama (NTT) RCS2011-31 |
This paper proposes new priority control schemes for a two-hop wireless relay system which employs the CSMA/CA (Carrier ... [more] | RCS2011-31 pp.71-76 |
| SRW (2nd) |
2011-03-03 | Kanagawa | (Kanagawa) | Performance Analysis of CSMA/CA Incorporating Packet Aggregation and Network Coding Yuki Sangenya, Daisuke Umehara, Satoshi Denno, Masahiro Morikura (Kyoto Univ.), Nobuaki Otsuki, Takatoshi Sugiyama (NTT) |
This paper proposes a length aware packet aggregation and coding (LAPAC) scheme which jointly applies packet aggregation... [more] | |
| NS, RCS (Joint) |
2010-12-16 15:00 |
Okayama | Okayama Univ. (Okayama) | Wireless Network Coding Employing Soft Decision Modulated Symbol Nobuaki Otsuki, Takatoshi Sugiyama (NTT) NS2010-119 RCS2010-173 |
(To be available after the conference date) [more] | NS2010-119 RCS2010-173 pp.85-90 |
| CS | 2010-11-11 10:50 |
Ishikawa | Wakura Hot Spring (Ishikawa) | A Simple Compensation Scheme on Performance Analysis Model of IEEE 802.11 DCF Daisuke Umehara, Satoshi Denno, Masahiro Morikura (Kyoto Univ.), Nobuaki Otsuki, Takatoshi Sugiyama (NTT) CS2010-42 |
In this manuscript, a simple and accurate estimation on performance of IEEE 802.11 distributed coordination function (DC... [more] | CS2010-42 pp.29-34 |
| AN, USN, SR, RCS (Joint) |
2010-10-29 13:30 |
Osaka | Osaka University (Osaka) | Performance Analysis of CSMA/CA Protocol in Long Distance Wireless Access Masaaki Tanaka, Daisuke Umehara, Satoshi Denno, Masahiro Morikura (Kyoto Univ.), Nobuaki Otsuki, Takatoshi Sugiyama (NTT) AN2010-40 |
The use of wireless access networks, particularly such as IEEE 802.11 wireless access networks, is a economically promis... [more] | AN2010-40 pp.97-102 |
| RCS | 2009-10-15 15:30 |
Kyoto | ATR (Kyoto) | An Performance Evaluation of Hybrid Network Coding Applied to Two-way Traffic Relaying Systems Nobuaki Otsuki, Yusuke Asai, Takatoshi Sugiyama (NTT) RCS2009-119 |
This paper proposes a new network coding method, hybrid network coding, that is able to improve the system throughput of... [more] | RCS2009-119 pp.55-60 |
| RCS, IN (Joint) |
2009-05-21 14:40 |
Tokyo | Kikai-Shinko-Kaikan Bldg. (Tokyo) | Performance Evaluation of Two-way Traffic Relaying Using Modulated Symbol Superposition with Adaptive Power Allocation Nobuaki Otsuki, Yusuke Asai, Takatoshi Sugiyama (NTT) RCS2009-9 |
[more] | RCS2009-9 pp.49-54 |
| SR, RCS, USN, AN (Joint) |
2008-10-23 13:40 |
Okinawa | Okinawa industry support center (Okinawa) | A Relay Scheme Using Symbol likelihood information for Network Coding in Two-hop Wireless Relay Systems Nobuaki Otsuki, Yusuke Asai, Takatoshi Sugiyama (NTT) RCS2008-116 |
This paper proposes a new relay method that makes it able to achieve diversity combining for relayed signal and over-rea... [more] | RCS2008-116 pp.81-86 |
| RCS | 2008-08-28 14:55 |
Hokkaido | Hokkaido University (Hokkaido) | A diversity decoding method for network coding in X topology Nobuaki Otsuki, Yusuke Asai, Takatoshi Sugiyama (NTT) RCS2008-82 |
This paper proposes a decoding shceme to acheive diversity gain by combining a native packet which is received by means ... [more] | RCS2008-82 pp.175-180 |
| IN, RCS (Joint) |
2008-05-29 13:25 |
Tokyo | Kikai-Shinko-Kaikan Bldg. (Tokyo) | A Study on Amplify-and-Forward Cooperative Transmission Systems Using Noise Power Estimation Yusuke Asai, Nobuaki Otsuki, Wataru Yamada, Takeo Ichikawa, Masato Mizoguchi (NTT) RCS2008-2 |
This paper proposes a maximum ratio combining (MRC) scheme with noise power estimation for frame-based Amplify-and-Forwa... [more] | RCS2008-2 pp.7-12 |
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