Committee |
Date Time |
Place |
Paper Title / Authors |
Abstract |
Paper # |
AP |
2011-01-20 12:45 |
Saga |
Saga Univ. |
A study on the detection of signals exceeding array degree of freedom Masashi Tsuji, Kenta Umebayashi, Yukihiro Kamiya, Yasuo Suzuki (Tokyo University of Agriculture and Technology) AP2010-139 |
A traditional DOA (Direction-Of-Arrival) estimation method can estimate the DOA up to $(N-1)$ signals when the number of... [more] |
AP2010-139 pp.37-42 |
SIP, RCS |
2011-01-21 14:30 |
Kagoshima |
|
A Study on Phase Rotation Precoding Method for MIMO Correlated Channel Sho Furuichi, Kenta Umebayashi, Yukihiro Kamiya, Yasuo Suzuki (Tokyo Univ. of Agr and Tech.) SIP2010-114 RCS2010-244 |
This paper presents Phase Rotation (PR) method as a transmit precoding for MIMO correlated channel.We assume that MIMO c... [more] |
SIP2010-114 RCS2010-244 pp.269-274 |
SAT, RCS (Joint) |
2010-08-27 13:40 |
Kagoshima |
Kagoshima Univ. |
A study on effective observation information gathering method in cooperation Sensing Takanao Yazawa, Kenta Umebayashi, Yukihiro Kamiya, Yasuo Suzuki (Tokyo Univ. of Agr and Tech.) RCS2010-100 |
In this paper, a method to achieve accurate and efficient method of gathering information for cooperative sensing based ... [more] |
RCS2010-100 pp.129-134 |
SAT, RCS (Joint) |
2010-08-27 14:00 |
Kagoshima |
Kagoshima Univ. |
A study on spectrum sharing technique using channel occupancy rate Tahseen Kazmi, Kenta Umebayashi, Yukihiro Kamiya, Yasuo Suzuki (Tokyo Univ. of Agr and Tech.) RCS2010-101 |
This paper presents a spectrum sharing technique based on the Channel Occupancy Rate(COR)information of the Primary User... [more] |
RCS2010-101 pp.135-140 |
SR |
2010-07-29 13:20 |
Kyoto |
ATR (Kyoto) |
System indentification with cyclostationary properties in spectrum spectrum sharing system Kenta Umebayashi (Tokyo Univ. of Agr and Tech.), Shinya Hatakeyama (Tohoku Electric Power), Yukihiro Kamiya, Yasuo Suzuki (Tokyo Univ. of Agr and Tech.) SR2010-17 |
In spectrum sensing, it is determined if a primary user (PU) is present in the studied frequency band (hypothesis $H_1$)... [more] |
SR2010-17 pp.7-12 |
RCS, AP (Joint) |
2009-11-27 13:30 |
Tokyo |
Tokyo Inst. of Tech. |
A new fairness improvement method for wireless ad hoc network under High-density/heavy-traffic environment Rui Tanaka, Yukihiro Kamiya, Kenta Umebayashi, Yasuo Suzuki (Tokyo Univ. of Agr and Tech.) RCS2009-160 |
Recently, wireless ad hoc network (WAHN) has been attracting attention. Although many researches have been conducted for... [more] |
RCS2009-160 pp.159-164 |
SR |
2009-05-29 16:50 |
Niigata |
Niigata Univ |
A study on design of weighted cooperative sensing system Hironori Tsuchiya, Kenta Umebayashi, Yukihiro Kamiya, Yasuo Suzuki (Tokyo Univ. of Agr and Tech.) SR2009-20 |
This paper presents a cooperative sensing technique for the spectrum sharing between an existing system
(primary system... [more] |
SR2009-20 pp.129-134 |
RCS, AN, MoNA, SR (Joint) |
2009-03-06 14:35 |
Kanagawa |
YRP |
A study on the on-demand contents distribution method using cooperative diversity Takeshi Endoh, Kenta Umebayashi, Yukihiro Kamiya, Yasuo Suzuki (Tokyo Univ. of A and T.) RCS2008-260 |
In this report, the on-demand contents distribution system utilizing a cooperation diversity technique is proposed and t... [more] |
RCS2008-260 pp.283-288 |
RCS, AN, MoNA, SR (Joint) |
2009-03-06 17:10 |
Kanagawa |
YRP |
A New Cross-layer Technique by Routing with MIMO in Wireless Ad Hoc Network Hirotomo Kunii, Yukihiro Kamiya, Kenta Umebayashi, Yasuo Suzuki (Tokyo Unv. of A and T.) RCS2008-267 |
Application of MIMO to wireless ad hoc network (WAHN) has been considered.
Multipath fading deteriorates the quality o... [more] |
RCS2008-267 pp.325-330 |
USN, MoNA (Joint) |
2009-01-23 09:30 |
Aichi |
Nagoya Institute of Technology (Auditorium) |
A study on the Access Control Method considering the Network Stability for Autonomous Distributed Networks Dewagamage Danasiri Wijedasa, Kenta Umebayashi, Yukihiro Kamiya, Yasuo Suzuki (TUAT) USN2008-80 |
In this report, we study the transmission probability control method for keeping the network stability, on wireless auto... [more] |
USN2008-80 pp.105-110 |
SR |
2009-01-22 14:55 |
Kyoto |
Kyoto University |
The spectrum sharing technique by the control of minimum contention window size considering channel occupancy rate information Kohei Kasahara, Kenta Umebayashi, Yukihiro Kamiya, Yasuo Suzuki (TUAT) SR2008-72 |
This report proposes a minimum contention window selection method for a spectrum sharing for the existing wireless local... [more] |
SR2008-72 pp.21-28 |
SR |
2009-01-23 15:20 |
Kyoto |
Kyoto University |
A Study on the Weighted Cooperative Sensing Method based on Estimated Received Signal Power in Fading Environment Hironori Tsuchiya, Kenta Umebayashi, Yukihiro Kamiya, Yasuo Suzuki (Tokyo University of Agriculture and Technology) SR2008-84 |
This report presents a sensing technique for the spectrum sharing system by a existing system, called
primary system, a... [more] |
SR2008-84 pp.97-102 |
AP |
2009-01-22 09:30 |
Fukuoka |
Fukuoka University |
A Study on the Accurate Estimation of the Number of Weak Coherent Signals Masashi Tsuji, Kenta Umebayashi, Yukihiro Kamiya, Yasuo Suzuki (Tokyo University of Agriculture and Technology) AP2008-160 |
The most commonly used methods recently for the estimation of the number of incident signals are the Akaike Information ... [more] |
AP2008-160 pp.61-66 |
AP |
2008-12-11 14:00 |
Tokyo |
Kikai-Shinko-Kaikan Bldg. |
A Study on the Matching Condition of a Multi-Terminal Dipole Antenna Yuichiro Komiya, Kenta Umebayashi, Yukihiro Kamiya, Kazuhiro Hirasawa, Yasuo Suzuki (Tokyo Univ. of Agri and Tech.) AP2008-143 |
When an antenna length is greater than or equal to 0.8 wave length, the received power of single-port dipole antenna is ... [more] |
AP2008-143 pp.19-24 |
SR, RCS, USN, AN (Joint) |
2008-10-23 11:05 |
Okinawa |
Okinawa industry support center |
Selection of transmit power by cooperative sensing Kenta Umebayashi, Yukihiro Kamiya, Yasuo Suzuki (TUAT) SR2008-52 |
[more] |
SR2008-52 pp.97-104 |
SR |
2008-07-31 17:05 |
Tokyo |
NICT (Koganei,-city Tokyo) |
[Technology Exhibit]
A study on spectrum sharing technique using channel occupancy rate Kohei Kasahara, Kenta Umebayashi, Yukihiro Kamiya, Yasuo Suzuki (TUAT) SR2008-30 |
[more] |
SR2008-30 pp.79-85 |
RCS, NS (Joint) |
2008-07-18 11:30 |
Kyoto |
Kyoto University |
An efficient utilization of the space for ad hoc network with adaptive modulation based on FIA Yuki Hirota, Yukihiro Kamiya, Kenta Umebayashi, Yasuo Suzuki (TUAT) RCS2008-44 |
Forward Interference Avoidance (FIA), which increases the number of co-existent wireless links using Adaptive Array Ante... [more] |
RCS2008-44 pp.73-78 |
RCS, NS (Joint) |
2008-07-18 11:50 |
Kyoto |
Kyoto University |
A New Efficient and Robust MAC Protocol against Multipath Fading Shingo Watanabe, Yukihiro Kamiya, Kenta Umebayashi, Yasuo Suzuki (TUAT) RCS2008-45 |
Wireless ad hoc networks attract interests of researchers. In such networks, data packets are relayed by nodes from a so... [more] |
RCS2008-45 pp.79-84 |
RCS, NS (Joint) |
2008-07-18 16:20 |
Kyoto |
Kyoto University |
Spatiotemporal Blind RAKE Combining using CMA Adaptive Array Antenna for M-BOK DS-UWB Communication Systems Atsushi Sasaki, Yukihiro Kamiya, Kenta Umebayashi, Yasuo Suzuki (TUAT) RCS2008-50 |
In this paper, we propose a new method namely spatiotemporal blind RAKE combining using CMA Adaptive Array Antenna for M... [more] |
RCS2008-50 pp.109-114 |
RCS, NS (Joint) |
2008-07-18 16:40 |
Kyoto |
Kyoto University |
A New Adaptive Array Antenna Application for Personal Area Networks Considering Cross-Degree of Freedom Concept Shota Uehara, Naoto Matsushita, Yukihiro Kamiya, Kenta Umebayashi, Yasuo Suzuki (TUAT) RCS2008-51 |
In this paper, we propose a new method for Personal Area Network (PAN) using Adaptive Array Antenna (AAA) considering Cr... [more] |
RCS2008-51 pp.115-120 |