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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| SR | 2014-10-31 13:00 |
Overseas | I2R, Singapore | [Technology Exhibit]
Field Experiments in the White Space Pilot Program Organized by U.K. Ofcom Kentaro Ishizu, Ha Nguyen Tran, Takeshi Matsumura (NICT), Keiichi Mizutani (Kyoto Univ.), Kazuo Ibuka, Homare Murakami, Fumihide Kojima (NICT), Hiroshi Harada (NICT/Kyoto Univ.)  SR2014-90 |
[more] | SR2014-90 pp.179-180 |
| RCC, ASN, NS, RCS, SR (Joint) |
2014-07-30 17:00 |
Kyoto | Kyoto Terrsa | Development and evaluation of a TVWS database for the UK Ofcom TVWS trial Ha Nguyen Tran, Kentaro Ishizu (NICT), Hiroshi Harada (NICT/Kyoto Univ.) SR2014-23 |
[more] | SR2014-23 pp.21-26 |
| SR | 2013-10-24 13:00 |
Osaka | Osaka Univ. | [Technology Exhibit]
White Space Communication Network with IEEE 802.11af/IEEE 802.22 Capable of Primary User Protection and Secondary User Coexistence Kentaro Ishizu (NICT), Keigo Hasegawa, Masayuki Takekawa (Hitachi Kokusai Electric), Keiichi Mizutani, Zhou Lan, Ha Nguyen Tran, Stanislav Filin, Takeshi Matsumura (NICT), Kei Yanagisawa, Keat-Beng Toh (Hitachi Kokusai Electric), Homare Murakami (NICT), Seishi Sasaki, Masahiro Asano (Hitachi Kokusai Electric), Hiroshi Harada (NICT) SR2013-58 |
[more] | SR2013-58 pp.21-28 |
| RCS, SR, SRW (Joint) |
2013-02-28 16:05 |
Tokyo | Waseda Univ. | [Invited Talk]
R&D of technology for efficient frequency use through coordinated control and terminals compatible with heterogeneous radio systems Homare Murakami, Kentaro Ishizu, Goh Miyamoto, Ha Nguyen Tran, Stanislav Filin, Ryuhei Funada, Hiroshi Harada (NICT), Yoshiaki Katsumata, Kiyoshi Ogawa, Minoru Nakamura, Kenichi Iijima, Dai Nishino, Keima Shimoiizaka, Kazuya Ootani (NTT PC Communications) RCS2012-334 SR2012-96 |
The goal of the R&D project is to realize cognitive radio networking environments which consist from heterogeneous-type ... [more] | RCS2012-334 SR2012-96 pp.299-306(RCS), pp.73-80(SR) |
| RCS, SR, SRW (Joint) |
2013-02-28 10:00 |
Tokyo | Waseda Univ. | Utilizing multi-location option for the coexistence among TVWS devices Ha Nguyen Tran, Gabriel Porto Villardi, Zhou Lan, Hiroshi Harada (NICT) SR2012-98 |
[more] | SR2012-98 pp.89-94 |
| SR, AN, USN, RCS (Joint) |
2012-10-17 11:15 |
Fukuoka | Fukuoka univ. | Distributed sensing system for TVWS
-- Part 1: System design and performance of each sensor -- Ha Nguyen Tran, Yohannes D. Alemseged, Hiroshi Harada (NICT) SR2012-42 |
[more] | SR2012-42 pp.41-46 |
| SR, AN, USN, RCS (Joint) |
2012-10-17 11:40 |
Fukuoka | Fukuoka univ. | Distributed sensing system for TVWS
-- Part 2: Performance of different cooperative sensing algorithms -- Yohannes D. Alemseged, Ha Nguyen Tran, Hiroshi Harada (NICT) SR2012-43 |
[more] | SR2012-43 pp.47-52 |
| SR | 2012-05-24 13:00 |
Kanagawa | Keio univ. at Hiyoshi | [Technology Exhibit]
Wireless Network System for TV White Space with Coordination of Database Kentaro Ishizu, Homare Murakami, Zhou Lan, Ha Nguyen Tran, Hiroshi Harada (NICT) SR2012-4 |
Not only sensing by the secondary users but also database is inevitable to determine available channels in TV white spac... [more] | SR2012-4 pp.23-30 |
| SR | 2012-01-27 14:50 |
Kagoshima | Kagoshima | Available channels determination and white space DB query method Ha Nguyen Tran, Yohannes D. Alemseged, Chen Sun, Hiroshi Harada (NICT) SR2011-100 |
[more] | SR2011-100 pp.131-138 |
| SR | 2012-01-27 15:30 |
Kagoshima | Kagoshima | Coexistence of Secondary User Networks under Primary User Constraints in TV White Space Chen Sun, Gabriel Porto Villardi, Zhou Lan, Yohannes D. Alemseged, Ha Nguyen Tran, Hiroshi Harada (NICT) SR2011-101 |
[more] | SR2011-101 pp.139-145 |
| SR | 2011-04-22 11:25 |
Shimane | Matsue Terrsa | Television White Space (TVWS) Geo-Location Database Access by Personal Portable Device Yohannes D. Alemseged, Chen Sun, Zhou Lan, Sum Chin Sean, Ha Nguyen Tran, Gabriel Villardi, Hiroshi Harada (NICT) SR2011-12 |
Cognitive radio system (CRS) that dynamically access radio spectrum based on the availability of unoccupied spectrum has... [more] | SR2011-12 pp.71-75 |
| SR | 2011-04-22 11:50 |
Shimane | Matsue Terrsa | On the Evaluation of the Control Mechanism for Client Devices in P802.11af Chen Sun, Zhou Lan, Yohannes D. Alemseged, Ha Nguyen Tran, Chin Sean Sum, Gabriel Villardi, Hiroshi Harada (NICT) SR2011-13 |
Spectrum scarcity has become one of the limiting factors of the evolution of wireless communication systems to incorpora... [more] | SR2011-13 pp.77-81 |
| SR | 2011-04-22 15:05 |
Shimane | Matsue Terrsa | IEEE 802.11af Standardization Activities:TV White Space Security Issues Chin-Sean Sum, Zhou Lan, Chen Sun, Yohannes D. Alemseged, Ha Nguyen Tran, Gabriel Porto Villardi, Hiroshi Harada (NICT) SR2011-16 |
IEEE 802.11af is the IEEE task group (TG) responsible for specifying the physical (PHY) and medium access control (MAC) ... [more] | SR2011-16 pp.91-96 |
| SAT, RCS (Joint) |
2010-08-27 16:20 |
Kagoshima | Kagoshima Univ. | Cross Layer Design of a Wireless Communication System in TV White Space Chin-Sean Sum, Gabriel Porto Villardi, Junyi Wang, Tuncer Baykas, Zhou Lan, Mohammad Azizur Rahman, Chunyi Song, Chen Sun, Yohannes Alemseged, Ha Nguyen Tran, Stanislav Filin, Hiroshi Harada (NICT) RCS2010-104 |
This paper proposes a cross layer design for a practical cognitive communication system operating in the TV white space ... [more] | RCS2010-104 pp.153-158 |
| SR | 2010-07-29 15:00 |
Kyoto | ATR (Kyoto) | Coexistence Among Secondary Networks In TVWS Yohannes D. Alemseged, Tuncer Baykas, Ha Nguyen Tran, Chen Sun, Hiroshi Harada (NICT) SR2010-22 |
Temporarily unused frequency bands in the VHF and UHF bands are considered for use on unlicensed basis. The term primary... [more] | SR2010-22 pp.39-44 |
| RCS, AN, MoNA, SR (Joint) |
2010-03-03 15:50 |
Kanagawa | YRP | Whitespace sensing database for cognitive radio systems Ha Nguyen Tran, Yohannes D. Alemseged, Chen Sun, Hiroshi Harada (NICT) SR2009-99 |
[more] | SR2009-99 pp.59-65 |
| RCS, AN, MoNA, SR (Joint) |
2010-03-03 16:20 |
Kanagawa | YRP | Coexistence Manager of Heterogeneous TVWS Networks Chen Sun, Ha Nguyen Tran, Yohannes D. Alemseged, Hiroshi Harada (NICT) SR2009-100 |
This paper address the coexistence issue of cognitive radio system (CRS). In particular we focus on the coexistence of s... [more] | SR2009-100 pp.67-71 |
| RCS, AN, MoNA, SR (Joint) |
2010-03-03 16:40 |
Kanagawa | YRP | Optimization of Transmit Power and Time Slot for Multiple Secondary Users in Cognitive Radio System Chen Sun, Yohannes D. Alemseged, Ha Nguyen Tran, Hiroshi Harada (NICT) SR2009-101 |
This paper addresses the issues of coexistence for cognitive radio networks. The coexistence consideredinclude the coexi... [more] | SR2009-101 pp.73-78 |
| RCS, AN, MoNA, SR (Joint) |
2010-03-03 17:00 |
Kanagawa | YRP | A Study on Media Access Scheme for Distributed Spectrum Sensing Yohannes D. Alemseged, Ha Nguyen Tran, Chen Sun, Hiroshi Harada (NICT) SR2009-102 |
[more] | SR2009-102 pp.79-84 |
| RCS, AN, MoNA, SR (Joint) |
2010-03-05 14:30 |
Kanagawa | YRP | Cognitive wireless router capable of link aggregation to realize heterogeneous type cognitive radio Kentaro Ishizu, Homare Murakami, Goh Miyamoto, Stanislav Filin, Ha Nguyen Tran, Chen Sun, Yohannes Alemseged Demessie, Hiroshi Harada (NICT) RCS2009-319 MoMuC2009-92 SR2009-116 AN2009-85 |
[more] | RCS2009-319 MoMuC2009-92 SR2009-116 AN2009-85 pp.357-364(RCS), pp.107-114(MoMuC), pp.167-174(SR), pp.95-102(AN) |
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