Chunyi SONG


A Prototype of TV White Space Spectrum Sensing and Power Measurement
Chunyi SONG Takeshi MATSUMURA Hiroshi HARADA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2014/02/01
Vol. E97-B  No. 2  pp. 314-325
Type of Manuscript:  Special Section PAPER (Special Section on Technologies for Effective Utilization of Spectrum White Space)
Category: 
Keyword: 
sensing prototypeFCC sensing requirementsphysical featurescost performance ratio
 Summary | Full Text:PDF(3MB)

Proposal and Hardware Performance of an Enhanced Feature Detection Method for OFDM Signals of Digital TV Standards
Chunyi SONG Hiroshi HARADA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2013/03/01
Vol. E96-B  No. 3  pp. 859-868
Type of Manuscript:  PAPER
Category: Terrestrial Wireless Communication/Broadcasting Technologies
Keyword: 
DTV sensingpilotslow SNRhardware implementation
 Summary | Full Text:PDF(1.8MB)

Hidden Node due to Multiple Transmission Power Level for White Space Radio Operating in the TV Bands
Chin-Sean SUM Gabriel Porto VILLARDI Mohammad Azizur RAHMAN Junyi WANG Zhou LAN Chunyi SONG Hiroshi HARADA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2012/10/01
Vol. E95-A  No. 10  pp. 1749-1758
Type of Manuscript:  PAPER
Category: Communication Theory and Signals
Keyword: 
hidden nodeTV white spacemultiple transmit powerFCC
 Summary | Full Text:PDF(1.6MB)

Sensing Methods for Detecting Analog Television Signals
Mohammad Azizur RAHMAN Chunyi SONG Hiroshi HARADA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2012/04/01
Vol. E95-B  No. 4  pp. 1066-1075
Type of Manuscript:  Special Section PAPER (Special Section on Cognitive Radio and Heterogeneous Wireless Networks in Conjunction with Main Topics of CrownCom2011)
Category: 
Keyword: 
white spacespectrum sensinganalog televisioncognitive radio
 Summary | Full Text:PDF(1.3MB)

A Complete Design of Coexistence Information Service for Autonomous Decision-Making Systems in TV White Space
Junyi WANG Stanislav FILIN Tuncer BAYKAS Mohammad Azizur RAHMAN Chunyi SONG Hiroshi HARADA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2012/04/01
Vol. E95-B  No. 4  pp. 1230-1240
Type of Manuscript:  Special Section PAPER (Special Section on Cognitive Radio and Heterogeneous Wireless Networks in Conjunction with Main Topics of CrownCom2011)
Category: 
Keyword: 
coexistenceinformation serviceprotocolTVWSautonomous decision-makingdissimilar networks
 Summary | Full Text:PDF(1.5MB)

Proposal and Implementation of a Robust Sensing Method for DVB-T Signal
Chunyi SONG Mohammad Azizur RAHMAN Hiroshi HARADA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2012/04/01
Vol. E95-B  No. 4  pp. 1276-1285
Type of Manuscript:  Special Section PAPER (Special Section on Cognitive Radio and Heterogeneous Wireless Networks in Conjunction with Main Topics of CrownCom2011)
Category: 
Keyword: 
spectrum sensingDVB-Tthreshold settinghardware implementation
 Summary | Full Text:PDF(2MB)