ARTICLES PUBLISHED IN REFEREED INTERNATIONAL JOURNALS (SCI & SSCI):

• J11: S.A. Colak, Y. Celik, Y. Acar, E. Aydın and E. Basar. "Pulse Index Modulation." IEEE Communications Letters (2021). Link

• J10: Acar, Yusuf. "Orthogonal frequency division multiplexing with index modulation by using multiple constellation sets." Transactions on Emerging Telecommunications Technologies (2021): e4238. Link

• J9: Acar, Yusuf, "Novel OFDM Transmission Scheme Using Generalized Prefix with Sub-carrier Index Modulation," Turk J Elec Eng & Comp Sci. 29-3 (2021): 1706-1719. Link

• J8: Acar, Yusuf and Çolak, Sultan Aldırmaz, "A New Spectrally Efficient Pilot Scheme for OFDM Systems." AEU-International Journal of Electronics and Communications. 2021;129: 153566. Link

• J7: Acar, Yusuf, Çolak, Sultan Aldırmaz, and Ertugrul Basar. "Channel estimation for OFDM-IM systems ." Turk J Elec Eng & Comp Sci 27-3 (2019): 1908-1921. Link

• J6: Acar, Yusuf, and Todor Cooklev. "High performance OFDM with index modulation." Physical Communication 32 (2019): 192-199. Link

• J5: Çolak, Sultan Aldırmaz, Yusuf Acar, and Ertugrul Basar. "Adaptive dual-mode OFDM with index modulation." Physical Communication 30 (2018): 15-25. Link

• J4: Acar, Yusuf, Hakan Doğan, and Erdal Panayirci. "Pilot Symbol Aided Channel Estimation for Spatial Modulation-OFDM Systems and its Performance Analysis with Different Types of Interpolations." Wireless Personal Communications 94.3 (2017): 1387-1404. Link

• J3: Acar, Yusuf, et al. "Interpolation based pilot-aided channel estimation for STBC spatial modulation and performance analysis under imperfect CSI." IET Communications 10.14 (2016): 1820-1828. Link

• J2: Acar, Yusuf, Hakan Doğan, and Erdal Panayırcı. "On channel estimation for spatial modulated systems over time-varying channels." Digital Signal Processing 37 (2015): 43-52. Link

• J1: Hakan, Y., et al. "Generalised prefix for space-time block-coded orthogonal frequency division multiplexing wireless systems over correlated multiple-input multipleoutput channels." IET Communications 8.9 (2014): 1589-1598. Link

ARTICLES PUBLISHED IN REFEREED INTERNATIONAL JOURNALS :

• J2: Acar, Yusuf. " Sub-block Aided OFDM with Index Modulation." Balkan Journal of Electrical and Computer Engineering 7-2(2019):115-156. Link

• J1: Acar, Yusuf, and Çolak, Sultan Aldırmaz, "Novel OFDM System Using Orthogonal Pilot Symbols With Subcarrier Index Modulation." Balkan Journal of Electrical and Computer Engineering 7-2(2019):440-445. Link

PAPERS PRESENTED IN INTERNATIONAL CONFERENCES AND PUBLISHED IN PROCEEDINGS (IEEE):

• C12: Acar, Yusuf and Sultan Çolak . "İndis Modülasyonlu Dik Frekans Bölmeli Çoğullama Sistemleri İçin Yeni Bir Referans Tablo Belirleme Yöntemi" 8th International Congress on Engineering, Architecture And Design, 241-248, 21 May 2021.

• C11: Acar, Yusuf and Sultan Çolak . "Index Modulation With Orthogonal Codes" 10th International Scientific Research Congress, 257-263., Ankara, Turkey, 11-12 April 2021.

• C10: Acar, Yusuf and Sultan Çolak . "Receiver Design for Dual-Mode Index Modulation Aided OFDM" IEEE International Conference on Advanced Communication Technologies and Networking (CommNet'19), Rabat, MOROCCO, 15-18 April 2019. Link

• C9: Acar, Yusuf, Çolak Sultan and Cooklev, Todor. "Dual-Mode Index Modulation Aided OFDM with Generalized Prefix," IEEE 2019 International Symposium on Networks, Computers and Communications (ISNCC'19), Istanbul, TURKEY, 18-20 June 2019. Link

• C8: Acar, Yusuf, Merih Leblebici, Hakan Doğan and Erdal Panayırcı . "Data detection based iterative channel estimation for coded SM-OFDM systems." Black Sea Conference on Communications and Networking (BlackSeaCom), 2016 IEEE International. IEEE, 2016. Link

• C7: Acar, Yusuf, Hakan Dogan, and Erdal Panayırcı. "Channel estimation for spatial modulation orthogonal frequency division multiplexing systems." Application of Information and Communication Technologies (AICT), 2015 9th International Conference on. IEEE, 2015. Link

• C6: Acar, Yusuf, Hakan Dogan, and Erdal Panayırcı. "Pilot symbol assisted channel estimation for 4× 4 space time block coded spatial modulation systems." Communications, Computers and Signal Processing (PACRIM), 2015 IEEE Pacific Rim Conference on. IEEE, 2015. Link

• C5: Acar, Yusuf, Hakan Dogan, and Erdal Panayırcı. "Channel estimation for SM systems over time-varying Rayleigh fading channels." Application of Information and Communication Technologies (AICT), 2014 8th International Conference on. IEEE, 2014. Link

• C4: Acar, Yusuf, Hakan Yıldız, Todor Cooklev and Hakan Doğan . "Generalized prefix approach for alamouti coded OFDM systems over Gaussian channels correlated in space." Computer Applications and Information Systems (WCCAIS), 2014 World Congress on. IEEE, 2014. Link

• C3: Acar, Yusuf, Todor Cooklev, Hakan Doğan and Hakan Yıldız . "Performance improvement for correlated 4× 4 MIMO-OFDM systems by generalized prefix approach." Signal Processing and Communication (ICSC), 2013 International Conference on. IEEE, 2013. Link

• C2: Cooklev, Todor, Hakan Doğan, Hakan Yıldız and Yusuf Acar . "Coded OFDM wireless systems with generalized prefix." Proceedings of the 6th International Conference on Application of Information and Communication Technologies (AICT). 2012. Link

• C1: Acar, Yusuf, Arshad Salih, and Hakan Doğan. "SAGE algorithm based channel estimation for uplink STBC-MC-CDMA systems." Application of Information and Communication Technologies (AICT), 2011 5th International Conference on. IEEE, 2011. Link

PAPERS PRESENTED AT NATIONAL CONFERENCES AND PUBLISHED IN PROCEEDINGS (IEEE):

• N5: Acar, Yusuf, Merih Leblebici, Hakan Doğan and Erdal Panayırcı . "Iterative channel estimation for SM-OFDM systems." Signal Processing and Communication Application Conference (SIU), 2016 24th. IEEE, 2016. Link

• N4: Acar, Yusuf, Hakan Doğan, and Erdal Panayırcı. "Spline based channel estimation for STBC-SM systems over fast-varying rician fading channels." Signal Processing and Communications Applications Conference (SIU), 2015 23th. IEEE, 2015. Link

• N3: Acar, Yusuf, Hakan Dogati, and Erdal Panayirci. "Iterative channel estimation for spatial modulation systems over fast fading channels." Signal Processing and Communications Applications Conference (SIU), 2014 22nd. IEEE, 2014. Link

• N2: Acar, Yusuf, et al. "High-performance MIMO OFDM wireless systems with generalized prefix." Signal Processing and Communications Applications Conference (SIU), 2013 21st. IEEE, 2013. Link

• N1: Acar, Yusuf, Erşat Salih, and Hakan Doğan. "Expectation maximization based channel estimation for uplink STBC-MC-CDMA systems." Signal Processing and Communications Applications (SIU), 2011 IEEE 19th Conference on. IEEE, 2011. Link

THESES:

• M.Sc. Thesis: Channel Estimation for MIMO-MC-CDMA Systems, Istanbul University Institute of Science, 2011.

• Ph.D Thesis: Physical Layer Desing for Spatial Modulation Systems, Istanbul University Institute of Science, 2015.

WORKSHOP:

• W-2: H.Bayrak, Y.Acar and S.Colak, " Channel Estimation for OFDM with Index Modulation Systems ", 6G Workshop on Communication Technologies and Applications, Istanbul Medipol University, Kavacık North Campus, Istanbul, Turkey, 1 August 2017.

• W-1: H.Yıldız, Y.Acar, T.Cooklev and H.Dogan, " Generalized Prefix for Space Time Block Coded OFDM Wireless Systems over Correlated MIMO Channels , Joint Workshop on Communication Technologies and Embedded Systems, Kadir Has University and RWTH AACHEN University, Kadir Has Campus, Cibali/Istanbul, Turkey, 11 June 2014.

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