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Technical Committee on Smart Radio (SR) (Searched in: 2009)
Search Results: Keywords 'from:2009-05-28 to:2009-05-28'
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| SR | 2009-05-28 12:30 |
Niigata | Niigata Univ | A Study on Dynamic Spectrum Control based Interference Suppression for Cognitive Radio Networks Tomomi Aoki, Shinsuke Ibi, Seiichi Sampei (Osaka Univ.)  SR2009-1 |
This paper proposes an interference suppression technique using a dynamic spectrum control (DSC) for distributed control... [more] | SR2009-1 pp.1-6 |
| SR | 2009-05-28 12:55 |
Niigata | Niigata Univ | Proposal of Band-Limited Spectrum-Division Single Carrier Transmission for Dynamic Spectrum Access in ISM Band Makoto Taromaru, Kazuto Yano, Masazumi Ueba (ATR) SR2009-2 |
A single carrier transmission system is proposed. It is a dynamic spectrum access system designed for ISM bands where va... [more] | SR2009-2 pp.7-12 |
| SR | 2009-05-28 13:20 |
Niigata | Niigata Univ | Spectrum Sharing Based on Capacity Conservation Ratio of Primary User Kei Inage, Takeo Fujii (UECThe Univ. of Electro-Comm.), Kazushi Muraoka, Masayuki Ariyoshi (NEC) SR2009-3 |
A concept of spectrum sharing between primary and secondary systems has attracted attention as a solution for a shortage... [more] | SR2009-3 pp.13-20 |
| SR | 2009-05-28 13:45 |
Niigata | Niigata Univ | Study on Joint Transmission Power Control for Coexistence between 4G Mobile and UWB Communication Systems Using their Integrated Terminals Takehiro Nozawa, Ryuji Muta, Ryuji Kohno (Yokohama National Univ.) SR2009-4 |
We focus on the coexistence environment of UWB(Ultra Wideband) system and 4G system. Because UWB systems occupying wide... [more] |
SR2009-4 pp.21-25 |
| SR | 2009-05-28 14:20 |
Niigata | Niigata Univ | Research and Development on Elemental Technologies for Cognitive Radio Base Station Hiroshi Harada, Homare Murakami, Kentaro Ishizu, Stanislav Filin, Goh Miyamoto, Ha Nguyen Tran, Yohannes D. Alemseged, Chen Sun (NICT) SR2009-5 |
[more] | SR2009-5 pp.27-34 |
| SR | 2009-05-28 14:45 |
Niigata | Niigata Univ | Frequency Domain IQ Imbalance Estimation Scheme in the Presence of DC Offset and Frequency Offset Mamiko Inamori, Shuzo Takayama, Yukitoshi Sanada (Keio Univ.) SR2009-6 |
Direct conversion receivers in orthogonal frequency division multiplexing (OFDM) systems suffer from direct current (DC)... [more] | SR2009-6 pp.35-42 |
| SR | 2009-05-28 15:10 |
Niigata | Niigata Univ | MIMO-OFDM Two-way Multihop Network and Network Synchronization Scheme Keiichi Mizutani (Tokyo Inst. of Tech./JSPS), Kei Sakaguchi, Kiyomichi Araki (Tokyo Inst. of Tech.) SR2009-7 |
MIMO two-way multihop network (MIMO TMN) has been attracted as a multihop network which overcomes a problem of co-channe... [more] | SR2009-7 pp.43-49 |
| SR | 2009-05-29 09:15 |
Niigata | Niigata Univ | Investigation on Single-Carrier and Multi-Carrier Hybrid System Ikuro Kashiwamura, Shunsuke Tomita, Kazuhiro Komatsu, Tran Hao Ngoc (Tohoku Univ.), Hiroshi Oguma (ITIm), Noboru Izuka (Softbank Telecom), Suguru Kameda, Tadashi Takagi, Kazuo Tsubouchi (Tohoku Univ.) SR2009-8 |
[more] | SR2009-8 pp.51-55 |
| SR | 2009-05-29 09:40 |
Niigata | Niigata Univ | A Study on Covariance-based Spectrum Sensing in IEEE802.22 WRAN Koichi Inoue, Shigenobu Sasaki, Hisakazu Kikuchi (Niigata Univ) SR2009-9 |
This paper presents the performance of covariance-based spectrum sensing of ATSC digital TV(DTV) signal in IEEE802.22 wi... [more] | SR2009-9 pp.57-62 |
| SR | 2009-05-29 10:05 |
Niigata | Niigata Univ | Performance Evaluation of a Cooperative Sensing Method of Putting Weight Based on Reliability of Sensing Information Hiroyuki Shiba, Kazunori Akabane, Munehiro Matsui, Kazuhiro Uehara (NTT) SR2009-10 |
The increase in the number of wireless systems is creating a serious shortage of space in the radio spectrum. Cognitive ... [more] | SR2009-10 pp.63-67 |
| SR | 2009-05-29 10:30 |
Niigata | Niigata Univ | A study on Pattern Recognition for Number of Parallel Transmitted Symbols in MIMO Cognitive Wireless Communication Masahiro Furuichi, Osamu Takyu, Yohtaro Umeda (Tokyo Univ. of Science), Takeo Fujii (The Univ. of Electro-Comm.), Masao Nakagawa (Keio Univ.) SR2009-11 |
In Cognitive radio system, a mobile station senses the usage of channel communication resources and thus specifies the v... [more] | SR2009-11 pp.69-74 |
| SR | 2009-05-29 10:55 |
Niigata | Niigata Univ | Evaluation and Performance Improvement of a Cooperative Sensing System with Losses of Information from Sensing Nodes Makoto Takanashi, Takaya Yamazato, Masaaki Katayama (Nagoya Univ.) SR2009-12 |
At a location and time, there may be frequencies not in use by their licensed (primary) users. Spectrum sharing, in whic... [more] | SR2009-12 pp.75-79 |
| SR | 2009-05-29 13:00 |
Niigata | Niigata Univ | [Invited Talk]
Standardization Activities on Wireless Communication Systems Operating over TV Whitespace in IEEE802 Shigenobu Sasaki (Niigata Univ.) SR2009-13 |
This paper reviews standardization activities of wireless communication systems based on unlicensed use of vacant freque... [more] | SR2009-13 p.81 |
| SR | 2009-05-29 13:35 |
Niigata | Niigata Univ | [Invited Talk]
Detection and Avoidance of Interference between UWB and Co-existing Communication Systems Makoto Itami, Kohei Ohno (Tokyo Univ. of Sci.) SR2009-14 |
[more] | SR2009-14 pp.83-88 |
| SR | 2009-05-29 14:10 |
Niigata | Niigata Univ | [Invited Talk]
Spectrum Sensing for Cognitive Radio Systems
-- Technical Aspects and Standardization Activities, Part I -- Chen Sun, Yohannes D. Alemseged, Ha Nguyen Tran, Hiroshi Harada (NICT) SR2009-15 |
The evolution of future wireless communication systems imposes a strong requirement on the efficiency of spectrum usage.... [more] | SR2009-15 pp.89-96 |
| SR | 2009-05-29 14:45 |
Niigata | Niigata Univ | [Invited Talk]
Spectrum Sensing for Cognitive Radio Systems:
-- Technical Aspects and Standardization Activities, Part II -- Yohannes D. Alemseged, Chen Sun, Ha Nguyen Tran, Hiroshi Harada (NICT) SR2009-16 |
Cognitive radio (CR) system realizes dynamic spectrum access after analyzing radio frequency environment and detecting s... [more] | SR2009-16 pp.97-104 |
| SR | 2009-05-29 15:35 |
Niigata | Niigata Univ | Cyclostationarity Feature Detection to IFDMA Uplink System in Cognitive Radio Networks Wensheng Zhang, Yukitoshi Sanada (Keio Univ.) SR2009-17 |
[more] | SR2009-17 pp.105-111 |
| SR | 2009-05-29 16:00 |
Niigata | Niigata Univ | A Novel Spectrum Sensing Method Using Multi-Antennas without Channel State Information Abdulrahman Al-Abbasi, Takeo Fujii (The Univ. of Electro-Comm.) SR2009-18 |
This paper presents a new spectrum sensing scheme using an energy detector by using multiple antennas for finding the lo... [more] | SR2009-18 pp.113-119 |
| SR | 2009-05-29 16:25 |
Niigata | Niigata Univ | Multichannel Spectrum Sensing using Polyphase DFT Filter Bank for Opportunistic Cognitive Radios Minseok Kim, Jun-ichi Naganawa, Jun-ichi Takada (Tokyo Inst. of Tech.) SR2009-19 |
As a growing interest in the cognitive radio technology has been taken based on the idea of opportunistic spectrum use, ... [more] | SR2009-19 pp.121-127 |
| 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 |
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