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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| SR | 2015-05-28 14:25 |
Hyogo | Akashi-Sangyou-Koryu-Center | Study on model of variance regarding DC Masanao Kobayashi, Kenta Umebayashi, Yasuo Suzuki (TUAT)  SR2015-4 |
In this paper,we conduct modeling of Duty Cycle(DC) estimation that is one of spectrum usage statistics.A previous work ... [more] | SR2015-4 pp.19-24 |
| SR | 2015-01-30 13:50 |
Hokkaido | KKR Hakodate | Welch FFT segment size selection method for Duty Cycle estimation Hiroki Iwata, Kenta Umebayashi, Samuli Tiiro (TUAT), Janne Lehtomaki (Univ. of Oulu), Yasuo Suzuki (TUAT) SR2014-110 |
In dynamic spectrum access (DSA) and the scenario with dynamic primary user (PU), spectrum sensing with reasonably low c... [more] | SR2014-110 pp.101-108 |
| WBS, ITS (Joint) |
2014-12-19 11:10 |
Kumamoto | Kumamoto University | Pulse Duty Factor and Transmission Power Evaluation of Direct Sequence Spread Spectrum Communication System for Body Area Network Masayuki Sakata, Tetsushi Ikegami (Meiji Univ.) WBS2014-52 |
This paper presents the pulse duty factor and transmission power evaluation of direct sequence spread spectrum UWB commu... [more] | WBS2014-52 pp.71-75 |
| SR | 2014-10-31 13:00 |
Overseas | I2R, Singapore | [Technology Exhibit]
Development of a measurement system for spectrum awareness
-- Duty estimation based on Welch-FFT -- Hiroki Iwata, Kenta Umebayashi, Riki Mizuchi, Tatsuya Maruyama, Kazuki Moriwaki, Samuli Tiiro (TUAT), Janne Lehtomaki (Univ. of Oulu), Yasuo Suzuki (TUAT) SR2014-89 |
To resolve the spectrum scarcity problem, dynamic spectrum access (DSA) has been investigated recently. In DSA, an unlic... [more] | SR2014-89 pp.171-177 |
| NS, IN (Joint) |
2014-03-06 11:40 |
Miyazaki | Miyazaki Seagia | Adaptive Active Control for Low Latency and Low Energy in Cluster-Tree Wireless Sensor Networks Narumi Kai, Shiro Sakata, Nobuyoshi Komuro (Chiba Univ.) IN2013-150 |
In wireless sensor networks, power saving is an important issue. In addition, low latency and high delivery ratio are ... [more] |
IN2013-150 pp.41-46 |
| RCC (2nd) |
2014-01-31 16:05 |
Tokyo | National Institute of Information and Communications Technology | Pulse Duty Factor Evaluation of Indoor Direct Sequence Spread Spectrum Reliable Radio Communications Masayuki Sakata, Tetsushi Ikegami (Meiji Univ.) |
In the spread spectrum (SS) radio communication, signals are normally spreaded by a SS code which is 100% duty ratio. Th... [more] | |
| RCS, SIP | 2014-01-24 15:40 |
Fukuoka | Kyushu Univ. | Impact of Interfering Signals on Duty Cycling of Wake-up Receivers for Radio-On-Demand Networks Takatoshi Kimura, Akio Hasegawa (ATR), Hiroyuki Yomo (Kansai Univ.), Suhua Tang, Yoshio Takeuchi (ATR) SIP2013-126 RCS2013-296 |
We have proposed Radio-On-Demand Networks (ROD) for realizing power saving of radio communication equipments. ROD has be... [more] | SIP2013-126 RCS2013-296 pp.241-246 |
| CS | 2013-11-15 11:20 |
Hokkaido | Noboribetsu-onsen Dai-ichi Takimotokan (Hokkaido) | Adaptive Active Control for Low Latency in Cluster-Tree Wireless Sensor Networks Narumi Kai, Shiro Sakata, Nobuyoshi Komuro (Chiba Univ.) CS2013-59 |
In wireless sensor networks, power saving is an important issue. In addition, low latency and high delivery ratio are ... [more] |
CS2013-59 pp.111-116 |
| ASN, RCS, NS, SR (Joint) |
2013-07-17 15:45 |
Shizuoka | Hamamatsu Act City | A Study on Low Power Wireless Sensor Networks Based on Intermittent Operation of Nodes Tomihiro Utsumi (Akita Univ.) ASN2013-49 |
When developing the wireless sensor networks to a vast area of farmland, such as no communications and a power infrastru... [more] | ASN2013-49 pp.13-16 |
| NS, IN (Joint) |
2013-03-07 09:20 |
Okinawa | Okinawa Zanpamisaki Royal Hotel | Multi-access Control according to Traffic Load in Wireless Sensor Networks for Smart-metering Akira Shibakawa, Shiro Sakata (Chiba Univ.) IN2012-169 |
Smart metering, which enables appropriate energy distribution to each household, has been emerging. In practical use of ... [more] | IN2012-169 pp.89-94 |
| SR, AN, USN, RCS (Joint) |
2012-10-19 13:30 |
Fukuoka | Fukuoka univ. | Impact of Duty-Cycling on Wake-up Receiver for Radio-On-Demand WLAN Takatoshi Kimura, Akio Hasegawa (ATR), Hiroyuki Yomo (Kansai Univ.), Suhua Tang (ATR), Tetsuya Ito (NEC Communication System,Ltd.), Masayoshi Ohashi (ATR) RCS2012-152 |
We have proposed Radio-On-Demand (ROD) Wireless LAN (WLAN) in order to reduce energy wastefully consumed by WLAN AP. In ... [more] | RCS2012-152 pp.155-160 |
| SANE | 2012-10-10 15:00 |
Overseas | The SONGDO CONVENSIA, Incheon Korea | Design of Synthethic Aperture Radar onboard Small Satellite Prilando Rizki Akbar, Josaphat Tetuko Sri Sumantyo (Chiba Univ.), Hirobumi Saito (JAXA) SANE2012-80 |
Due to various advantages offered by Synthetic Aperture Radar (SAR), its function as an Earth surface observation sensor... [more] | SANE2012-80 pp.135-140 |
| USN, AN, IPSJ-UBI (Joint) [detail] |
2012-05-17 15:00 |
Aichi | Toyohashi University of Technology | Dynamic Active Period Control Method achieving Low Latency and Low Energy in Multi-hop Wireless Sensor Networks Narumi Kai, Shiro Sakata, Nobuyoshi Komuro (Chiba Univ.) USN2012-3 |
In wireless sensor networks, power saving is an important issue. The IEEE 802.15.4 beacon mode, which is a standardized ... [more] | USN2012-3 pp.33-38 |
| NS, IN (Joint) |
2012-03-08 11:40 |
Miyazaki | Miyazaki Seagia | Duty-cycling Strategies for Saving Energy of Wake-up Receiver in Radio-On-Demand WLAN Takatoshi Kimura, Yoshihisa Kondo (ATR), Hiroyuki Yomo (Kansai Univ.), Suhua Tang (ATR), Tetsuya Ito (NEC Communication System,Ltd.), Masayoshi Ohashi (ATR) NS2011-209 |
In our proposed Radio-On-Demand (ROD) WLAN, each AP is transited to a sleep mode while there is no associated user. Each... [more] | NS2011-209 pp.167-172 |
| NS, IN (Joint) |
2012-03-09 13:30 |
Miyazaki | Miyazaki Seagia | The Best Channel Selection Method of the Wi-Fi Access Point using Duty Cycle and SN Ratio Yutaka Takahashi, Yoshitaka Nakamura, Yoh Shiraishi, Osamu Takahashi (Future University Hakodate) NS2011-263 |
In recent years, many wireless devices are using the 2.4GHz band. In particular, the wireless LAN has become very popula... [more] | NS2011-263 pp.475-480 |
| MoNA, AN, USN (Joint) |
2012-01-20 16:30 |
Mie | Todaya (Toba) | Prioritized Image Transmission Control in Wireless Surveillance Sensor Networks Keiko Misono (Chiba Univ.), Ryota Kawamoto (ALPHA SYSTEMS INC.), Nobuyoshi Komuro, Shiro Sakata (Chiba Univ.), Seiichiro Hara (ALPHA SYSTEMS INC.) USN2011-80 |
In wireless surveillance sensor networks, delay suppression is an important issue in order to collect exact sensing info... [more] | USN2011-80 pp.135-140 |
| RCS, AN, SR, USN (Joint) |
2011-10-28 08:45 |
Tokyo | Sophia Univ. | Enhancing Performance of ZigBee's BOP Protocol in Cluster-Tree Wireless Sensor Networks Shunsuke Takagawa, Mehdad Nori-Shirazi (NICT), Jun Cheng (Doshisha Univ.), Ryu Miura (NICT) USN2011-51 |
In this paper, we present a duty-cycle MAC protocol for cluster-tree wireless sensor networks which takes advantages of ... [more] | USN2011-51 pp.165-170 |
| AN | 2011-07-15 13:45 |
Kyoto | Kyoto Univ. | A Reservation-based Enhancement of ZigBee BOP Approach Shunsuke Takagawa, Mehdad Nori-Shirazi, Rui Teng, Bing Zhang (NICT), Jun Cheng (Doshisha Univ.), Ryu Miura (NICT) AN2011-14 |
This paper presents a reservation based enhancement of ZigBee beacon-only period approach, called R-BOP protocol, which ... [more] | AN2011-14 pp.41-46 |
| CS | 2011-07-08 09:25 |
Okinawa | Kumejima | A Duty Cycle MAC Protocol with Energy Consumption Reduction by Decreasing the Number of Hops in Wireless Sensor Networks Tatsuya Koizumi, Shinji Kano, Iwao Sasase (Keio Univ.) CS2011-23 |
Light-Weight energy efficiency Media Access Control (LWMAC) is an asynchronous duty cycle MAC protocol to shorten the pr... [more] | CS2011-23 pp.73-78 |
| RCS, IN (Joint) |
2011-05-27 13:35 |
Tokyo | Kikai-Shinko-Kaikan Bldg. | WiFi Frequency Utilization Analysis by SpectrumMap Database Yun Li, Trung Tran Quang, Yoshihiro Kawahara, Tohru Asami (Univ. of Tokyo) IN2011-28 |
We have proposed a SpectrumMap database to provide the public with the general knowledge of radio frequency usages in th... [more] | IN2011-28 pp.57-62 |
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