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 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
 Results 1 - 20 of 20  /   
Committee Date Time Place Paper Title / Authors Abstract Paper #
RCS 2014-04-18
13:00
Aichi Nagoya Institute of Technology 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. 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. 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 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) 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 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   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   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 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. 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. 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   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. 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 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 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 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. 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 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 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. 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
 Results 1 - 20 of 20  /   
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