@inproceedings{4b65e56ce71b44dfbb54d8e7c0d41ef9,
title = "Performance Analysis of Uplink IM-OFDMA Systems in the Presence of CFO and Rx-IQI",
abstract = "Index modulation-based orthogonal frequency division multiple access (IM-OFDMA) has been recently proposed as a promising candidate for future wireless communication systems due to its superior spectral efficiency and error performance compared to conventional multiple access schemes. Therefore, it has been under investigation by researchers analyzing its performance considering different scenarios and assumptions. Following this direction, this paper presents the error performance of the uplink IM-OFDMA in the presence of carrier frequency offset (CFO) and receiver (Rx) in-phase and quadrature imbalance (IQI). In particular, the individual and joint effects of the CFO and Rx-IQI on the bit-error-rate (BER) performance of the uplink IM-OFDMA scheme are investigated, and then the IM-OFDMA is compared with the conventional OFDMA scheme by considering the detrimental effect of CFO and Rx-IQI. Accordingly, this paper shows that IM-OFDMA achieves better BER performance results than the OFDMA scheme in the presence of CFO and Rx-IQI. However, the obtained results also reveal that the IM-OFDMA scheme is very sensitive to RF impairments even though it performs better than conventional OFDMA.",
keywords = "IM-OFDMA, IQ imbalance, OFDMA, carrier frequency offset, index modulation",
author = "Ozgur Alaca and Saud Althunibat and Serhan Yarkan and Miller, {Scott L.} and Qaraqe, {Khalid A.}",
note = "Publisher Copyright: {\textcopyright} 2023 IEEE.; 37th International Conference on Information Networking, ICOIN 2023 ; Conference date: 11-01-2023 Through 14-01-2023",
year = "2023",
doi = "10.1109/ICOIN56518.2023.10048914",
language = "English",
series = "International Conference on Information Networking",
publisher = "IEEE Computer Society",
pages = "168--173",
booktitle = "37th International Conference on Information Networking, ICOIN 2023",
}