E. Başar

Publications215
h-index33
Citations5,925
Highly Influential Citations466
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Orthogonal Frequency Division Multiplexing With Index Modulation
TLDR
It is shown via computer simulations that the proposed OFDM with index modulation achieves significantly better error performance than classical OFDM due to the information bits carried by the indices of OFDM subcarriers under both ideal and realistic channel conditions.
Wireless Communications Through Reconfigurable Intelligent Surfaces
TLDR
The fundamental differences with other technologies, the most important open research issues to tackle, and the reasons why the use of reconfigurable intelligent surfaces necessitates to rethink the communication-theoretic models currently employed in wireless networks are elaborated.
OFDM With Index Modulation Using Coordinate Interleaving
  • E. Başar
  • Business
    IEEE Wireless Communications Letters
  • 15 April 2015
TLDR
The average bit error probability (ABEP) of the proposed scheme is derived and its superiority over the reference systems is shown via computer simulations.
Index Modulation Techniques for Next-Generation Wireless Networks
TLDR
Three forms of IM are investigated: spatial modulation, channel modulation and orthogonal frequency division multiplexing (OFDM) with IM, which consider the transmit antennas of a multiple-input multiple-output system, the radio frequency mirrors mounted at a transmit antenna and the subcarriers of an OFDM system for IM techniques, respectively.
Index modulation techniques for 5G wireless networks
  • E. Başar
  • Business, Computer Science
    IEEE Communications Magazine
  • 28 April 2016
TLDR
Light is shed on the potential and implementation of IM techniques for MIMO and multi-carrier communications systems, which are expected to be two of the key technologies for 5G systems.
Reconfigurable Intelligent Surface-Based Index Modulation: A New Beyond MIMO Paradigm for 6G
  • E. Başar
  • Computer Science
    IEEE Transactions on Communications
  • 14 April 2019
TLDR
The findings reveal that RIS-based IM, which enables high data rates with remarkably low error rates, can become a potential candidate for future wireless communication systems in the context of beyond multiple-input multiple-output (MIMO) solutions.
Multiple-Mode Orthogonal Frequency Division Multiplexing With Index Modulation
TLDR
Monte Carlo simulations on BER corroborate the analyses and show that the proposed schemes appear as promising multi-carrier transmission alternatives by outperforming the existing OFDM-IM counterparts.
Orbital Angular Momentum With Index Modulation
  • E. Başar
  • Computer Science, Physics
    IEEE Transactions on Wireless Communications
  • 5 January 2018
TLDR
This paper proposes the scheme of orbital angular momentum with index modulation (OAM-IM) by using the activated OAM modes themselves to carry additional information through the principle of IM to achieve considerably better error performance than the reference OAM-MDM schemes, while having the same level of detection complexity.
Optical MIMO-OFDM With Generalized LED Index Modulation
TLDR
A novel generalized light emitting diode (LED) index modulation method for multiple-input-multiple-output (MIMO) orthogonal frequency division multiplexing (OFDM)-based VLC systems achieves considerably better bit error ratio versus signal-to-noise-ratio performance than the existing VLC-MIMo-OFDM systems.
Performance of Spatial Modulation in the Presence of Channel Estimation Errors
TLDR
It is shown via computer simulations that the derived upper bound becomes very tight with increasing signal-to-noise ratio (SNR) and the SM scheme is quite robust to channel estimation errors.
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