Title :
Development of OFDM based secondary link: Some experimental results on USRP N210 platform
Author :
Janjic, Milos ; Brkovic, Mirjana ; Eric, Mougin
Author_Institution :
Sch. of Electr. Eng., Univ. of Belgrade, Belgrade, Serbia
Abstract :
Some experimental results of development of the concept and practical implementation of OFDM based secondary cognitive link are presented in this paper. Secondary link is realized using USRP N210 platforms. Several algorithms to overcome transmission problems are used, such as frequency offset compensation, time synchronization and channel estimation. Also cognitive feature of changing transmission parameters is implemented.
Keywords :
OFDM modulation; channel estimation; cognitive radio; telecommunication links; OFDM based secondary link; USRP N210 platform; channel estimation; frequency offset compensation; secondary cognitive link; time synchronization; transmission problems; Bandwidth; OFDM; Quadrature amplitude modulation; Receivers; Synchronization; Time-domain analysis; Cognitive radio; OFDM; USRP platform; secondary link; spectrum sensing;
Conference_Titel :
Telecommunications Forum (TELFOR), 2013 21st
Conference_Location :
Belgrade
Print_ISBN :
978-1-4799-1419-7
DOI :
10.1109/TELFOR.2013.6716211
