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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| SR | 2009-07-30 11:45 |
Tokyo | Tokyo institute of technology | Transmission Schemes of Cognitive Radio System with Power Control over Rayleigh Fading Chen Sun, Yohannes D. Alemseged, Ha Nguyen Tran, Hiroshi Harada (NICT)  SR2009-43 |
This paper addresses the transmission schemes of cognitive radio system (CRS) with power control. An adaptive power cont... [more] | SR2009-43 pp.131-138 |
| SR | 2009-07-30 14:10 |
Tokyo | Tokyo institute of technology | Auxiliary Control Channel For Spectrum Sensing in Cognitive Radio Systems Yohannes D. Alemseged, Chen Sun, Ha Nguyen Tran, Hiroshi Harada (NICT) SR2009-44 |
In cognitive radio (CR) system reliable spectrum sensing is the key step to discover spectrum opportunity and exploit it... [more] | SR2009-44 pp.139-144 |
| 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 | 2009-05-29 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 | 2009-01-23 16:10 |
Kyoto | Kyoto University | Primary User Detection with Distributed Spectrum Sensors over Rayleigh Fading Channel Chen Sun, Yohannes D. Alemseged, Ha Nguyen Tran, Hiroshi Harada (NICT) SR2008-86 |
This study addresses detection of primary users (PUs) for cognitive radio system (CRS) with distributed spectrum sensors... [more] | SR2008-86 pp.111-117 |
| SR | 2009-01-23 16:35 |
Kyoto | Kyoto University | A Two-Stage Signal Detection Based Spectrum Sensing for Cognitive Radio Yohannes D. Alemseged, Chen Sun, Ha Nguyen Tran, Hiroshi Harada (NICT) SR2008-87 |
In this paper we investigate distributed spectrum sensing for cognitive radio (CR) based on multiple spectrum sensors. B... [more] | SR2008-87 pp.119-124 |
| SR, RCS, USN, AN (Joint) |
2008-10-22 11:10 |
Okinawa | Okinawa industry support center | Sensing algorithms for cognitive radios Yohannes D. Alemseged, Hiroshi Harada (NICT) SR2008-48 |
[more] | SR2008-48 pp.71-76 |
| SR, RCS, USN, AN (Joint) |
2008-10-22 11:30 |
Okinawa | Okinawa industry support center | Cognitive radio with smart sensing
-- Enabling architecture and use cases -- Yohannes D. Alemseged, Chen Sun, Ha Nguyen Tran, Hiroshi Harada (NICT) SR2008-49 |
[more] | SR2008-49 pp.77-81 |
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