@inproceedings{2fad3bbebe064f558e4c810c19f45f65,
title = "Windowed OFDM with Index Modulation",
abstract = "This paper presents a novel scheme called Windowed Orthogonal Frequency Division Multiplexing with Index Modulation (W-OFDM-IM), which integrates windowing techniques such as rectangular, Hamming, Hanning, Chebyshev, and Kaiser into OFDM-IM to mitigate out-of-band (OOB) radiation while preserving spectral efficiency. The proposed system is evaluated in both additive white Gaussian noise (AWGN) and multipath channels, with a focus on bit error rate (BER) performance and power spectral density (PSD) characteristics. The simulation results demonstrate that, among all windowing techniques, the rectangular and Kaiser window achieves moderate suppression of OOB (−15 dB) without significant degradation of BER. Compared to conventional OFDM and standard OFDM-IM, W-OFDM-IM exhibits enhanced spectral containment and comparable BER performance, making it a viable solution for next-generation wireless systems including 6G requiring stringent spectral efficiency and interference mitigation.",
keywords = "6G, Filtering, OFDM, OFDM-IM",
author = "Ahmed Waheed and Somayeh Mohammady",
note = "Publisher Copyright: {\textcopyright}2025 IEEE.; 10th IEEE International RF and Microwave Conference, RFM 2025 ; Conference date: 17-09-2025 Through 19-09-2025",
year = "2025",
doi = "10.1109/RFM67034.2025.11284486",
language = "English",
series = "Conference Proceedings - 10th IEEE International RF and Microwave Conference, RFM 2025",
publisher = "Institute of Electrical and Electronics Engineers Inc.",
editor = "Murad, \{Noor Asniza\}",
booktitle = "Conference Proceedings - 10th IEEE International RF and Microwave Conference, RFM 2025",
address = "United States",
}