Committee |
Date Time |
Place |
Paper Title / Authors |
Abstract |
Paper # |
SR |
2010-01-22 13:25 |
Tokyo |
Univ. of Electro-Communications |
On the Coexistence of Cognitive Radio Systems Chen Sun, Yohannes D. Alemseged, Ha Nguyen Tran, Hiroshi Harada (NICT) SR2009-87 |
In this paper, we study the coexistence issue of cognitive radio system (CRS) including selfcoexistence among secondary ... [more] |
SR2009-87 pp.87-91 |
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 10:10 |
Tokyo |
Tokyo institute of technology |
[Technology Exhibit]
Development of Cognitive Wireless Clouds System
-- Implementation of Distributed Radio Information Collection Function -- Goh Miyamoto, Kentaro Ishizu, Homare Murakami, Ha Nguyen Tran, Stanislav Filin, Hiroshi Harada (NICT) SR2009-24 |
NICT has been researching Cognitive Wireless Clouds(CWC) in which a cognitive terminal and a network reconfigure themsel... [more] |
SR2009-24 pp.13-18 |
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 |
2009-01-22 14:05 |
Kyoto |
Kyoto University |
Applying Load-Balancing Approach in Dynamic Spectrum Assignment Networks Stanislav Filin, Hiroshi Harada, Homare Murakami, Kentaro Ishizu, Goh Miyamoto, Ha Nguyen Tran (NICT), Mikio Hasegawa (Tokyo Univ. of Science/NICT) SR2008-70 |
Dynamic spectrum assignment technology provides great opportunities to both users and operators to improve users experie... [more] |
SR2008-70 pp.7-14 |
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 - 2008-10-24 |
Okinawa |
Okinawa industry support center |
A study of implementation of common signaling channel for cognitive wireless network Homare Murakami, Goh Miyamoto, Kentaro Ishizu, Ha Nguyen Tran, Stanislav Filin, Hiroshi Harada (NICT), Mikio Hasegawa (Tokyo University of Science), Yoshitoshi Murata (Iwate Prefectural University) |
Common signaling channel is required to be implemented for cognitive wireless network to exchange sensing information fo... [more] |
|
SR, RCS, USN, AN (Joint) |
2008-10-22 15:15 |
Okinawa |
Okinawa industry support center |
Applying Load-Balancing Approach in Dynamic Spectrum Access Networks Stanislav Filin, Hiroshi Harada, Homare Murakami, Kentaro Ishizu, Goh Miyamoto, Ha Nguyen Tran (NICT), Mikio Hasegawa (Tokyo University of Science/NICT) SR2008-39 |
In this paper, dynamic spectrum access scenario where cognitive terminal having multi-homing capability dynamically acce... [more] |
SR2008-39 pp.7-14 |
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 10:50 |
Okinawa |
Okinawa industry support center |
Fast Scanning of Wireless Access Channels using Detection Probability of Access Points in Cognitive Wireless Networks Kentaro Ishizu, Homare Murakami, Goh Miyamoto, Ha Nguyen Tran, Stanislav Filin, Hiroshi Harada (NICT) SR2008-47 |
This paper proposes a method to reduce scan time using detection probability in order that terminals omit some of channe... [more] |
SR2008-47 pp.63-70 |