| IEICE Technical Committee Submission System Conference Schedule |
Online Proceedings [Sign in] Tech. Rep. Archives |
All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| SR, AN, USN (Joint) |
2009-10-22 11:10 |
Miyagi | Tohoku Univ. | On the Investigation of MAC Protocols for Distributed Sensing Chen Sun, Yohannes D. Alemseged, Ha Nguyen Tran, Hiroshi Harada (NICT)  SR2009-55 |
In our previous study we have compared the selective sensing scheme with the collaborative sensing scheme in the physica... [more] | SR2009-55 pp.27-31 |
| RCS | 2009-10-16 14:15 |
Kyoto | ATR | Cross Layer Approach of Distributed Spectrum Sensing Yohannes D. Alemseged, Chen Sun, Ha Nguyen Tran, Gabriel Porto Villardi, Hiroshi Harada (NICT) RCS2009-129 |
[more] | RCS2009-129 pp.111-115 |
| SR | 2009-07-29 13:00 |
Tokyo | Tokyo institute of technology | [Technology Exhibit]
Prototype of Heterogeneous Type Cognitive Radio System Kentaro Ishizu, Homare Murakami, Goh Miyamoto, Stanislav Filin, Ha Nguyen Tran, Chen Sun, Yohannes D. Alemseged, Hiroshi Harada (NICT) SR2009-29 |
This paper describes a heterogeneous type cognitive radio system that has been developed by NICT. This system conforms t... [more] | SR2009-29 pp.43-50 |
| SR | 2009-07-29 13:00 |
Tokyo | Tokyo institute of technology | [Technology Exhibit]
Prototype of Spectrum Sharing Type Cognitive Base Station Kentaro Ishizu, Homare Murakami, Goh Miyamoto, Stanislav Filin, Ha Nguyen Tran, Chen Sun, Yohannes D. Alemseged, Hiroshi Harada (NICT) SR2009-30 |
This paper introduces a spectrum sharing type cognitive radio system that NICT has developed. This system is composed of... [more] | SR2009-30 pp.51-56 |
| 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 |
| RCS, AN, MoNA, SR (Joint) |
2009-03-04 16:10 |
Kanagawa | YRP | IEEE P1900.6 Standardization Activities and NICT's Contributions
-- Spectrum Sensing in Advanced Radio Systems -- Ha Nguyen Tran, Yohannes A. Demessie, Chen Sun, Hiroshi Harada (NICT) SR2008-96 |
[more] | SR2008-96 pp.45-52 |
| 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 14:55 |
Okinawa | Okinawa industry support center | A Dual-Level Management Scheme of Cognitive Radio Wireless Network Chen Sun, Hiroshi Harada (NICT) SR2008-38 |
[more] | SR2008-38 pp.1-6 |
| SR, RCS, USN, AN (Joint) |
2008-10-22 10:10 |
Okinawa | Okinawa industry support center | Cognitive Radio with Sensing Control of Smart Spectrum Sensors Chen Sun, Yohannes Alemseged, Ha Nguyen Tran, Hiroshi Harada (NICT) SR2008-45 |
[more] | SR2008-45 pp.49-55 |
| SR, RCS, USN, AN (Joint) |
2008-10-22 10:30 |
Okinawa | Okinawa industry support center | A Smart Spectrum Sensor for Cognitive Radio Systems Ha Nguyen Tran, Chen Sun, Yohannes Alemseged, Hiroshi Harada (NICT) SR2008-46 |
[more] | SR2008-46 pp.57-61 |
| 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 |
| AP | 2008-01-25 16:40 |
Okinawa | Tyeruru.(Naha) | Fast Beamforming of a Multi-Port Parasitic Array Radiator Antenna Chen Sun, Makoto Taromaru (ATR) AP2007-160 |
The multi-port parasitic array radiator (MuPAR) antenna features multiple active elements connected with RF ports and mu... [more] | AP2007-160 pp.219-224 |
| RCS, AP (Joint) |
2007-11-08 09:00 |
Tokyo | Univ. of Electro-Commun. | Consideration on Adaptive Beamforming for Multiport Parastic Array Radiator Antenna Masayuki Morishita, Hiroyoshi Yamada (Niigata Univ.), Chen Sun, Makoto Taromaru (ATR), Takashi Ohira (Toyohashi Univ. of Tech.) AP2007-102 |
A digital beamforming(DBF) array with adaptive beamforming has limitation that circuit scale and power consumption incre... [more] | AP2007-102 pp.1-6 |
| AP | 2007-05-17 15:20 |
Kochi | Kochi Univ. of Tech. | Adaptive beamforming with Multiport Parasitic Array Radiator Antenna Masayuki Morishita (Niigata Univ.), Chen Sun, Makoto Taromaru (ATR), Hiroyoshi Yamada (Niigata Univ./ATR), Takashi Ohira (ATR) AP2007-18 |
A digital beamforming (DBF) array performs adaptive beamforming by digital signal processing. However, the circuit scale... [more] | AP2007-18 pp.31-35 |
| RCS, MoNA, WBS, SR, MW (Joint) |
2007-03-07 17:00 |
Kanagawa | YRP | Optimum Frame Splitting for Sequential Transmission through Distributed Antenna Arrays Chen Sun (ATR), Jun Cheng (ATR/Doshisha Univ.), Makoto Taromaru (ATR) RCS2006-252 |
[more] | RCS2006-252 pp.69-72 |
[Return to Top Page]