The DOI matches its Crossref record; 1 of the 1 references it cites were found in a registry or an index.
Interference Cancellation and Iterative Detection for Orthogonal Time Frequency Space Modulation
Open accessAbstract
The recently proposed orthogonal time-frequency-space (OTFS) modulation technique was shown to provide significant error performance advantages over orthogonal frequency division multiplexing (OFDM) over delay-Doppler channels. In this paper, we first derive the explicit input-output relation describing OTFS modulation and demodulation (mod/demod). We then analyze the cases of: 1) ideal pulse-shaping waveforms that satisfy the bi-orthogonality conditions and 2) rectangular waveforms which do not. We show that while only inter-Doppler interference (IDI) is present in the former case, additional inter-carrier interference (ICI) and inter-symbol interference (ISI) occur in the latter case. We next characterize the interferences and develop a novel low-complexity yet efficient message passing (MP) algorithm for joint interference cancellation (IC) and symbol detection. While ICI and ISI are eliminated through appropriate phase shifting, IDI can be mitigated by adapting the MP algorithm to account for only the largest interference terms. The MP algorithm can effectively compensate for a wide range of channel Doppler spreads. Our results indicate that OTFS using practical rectangular waveforms can achieve the performance of OTFS using ideal but non-realizable pulse-shaping waveforms. Finally, simulation results demonstrate the superior error performance gains of the proposed uncoded OTFS schemes over OFDM under various channel conditions.
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Cites
Fundamentals of Wireless Communication
Tse, D., & Viswanath, P. (2005) · doi:10.1017/cbo9780511807213 · Cited by 13,162
Cited by
Noor-A-Rahim, M., Liu, Z., Lee, H., Khyam, M. O., He, J., Pesch, D., Moessner, K., Saad, W., & Poor, H. V. (2022) · Proceedings of the IEEE · doi:10.1109/jproc.2022.3173031 · Cited by 737
Integrated Sensing and Communication Signals Toward 5G-A and 6G: A Survey
Wei, Z., Qu, H., Wang, Y., Yuan, X., Wu, H., Du, Y., Han, K., Zhang, N., & Feng, Z. (2023) · IEEE Internet of Things Journal · doi:10.1109/jiot.2023.3235618 · Cited by 686
Practical Pulse-Shaping Waveforms for Reduced-Cyclic-Prefix OTFS
Raviteja, P., Hong, Y., Viterbo, E., & Biglieri, E. (2019) · IEEE Transactions on Vehicular Technology · doi:10.1109/tvt.2018.2878891 · Cited by 616
Self-citationChannel Estimation for Orthogonal Time Frequency Space (OTFS) Massive MIMO
Shen, W., Dai, L., An, J., Fan, P., & Heath, R. W. (2019) · IEEE Transactions on Signal Processing · doi:10.1109/tsp.2019.2919411 · Cited by 459
A Primer on Rate-Splitting Multiple Access: Tutorial, Myths, and Frequently Asked Questions
Clerckx, B., Mao, Y., Jorswieck, E. A., Yuan, J., Love, D. J., Erkip, E., & Niyato, D. (2023) · IEEE Journal on Selected Areas in Communications · doi:10.1109/jsac.2023.3242718 · Cited by 412
Metadata
- Authors
- Raviteja, P., Phan, K. T., Hong, Y., & Viterbo, E.
- Venue
- IEEE Transactions on Wireless Communications
- Published
- 2018-10
- Volume
- 17
- Issue
- 10
- Pages
- 6501-6515
- ISSN
- 1536-1276 (ISSN-L)
- 1558-2248
- OpenAlex
- W2962951066
- Cited by
- 1,233
- References
- 1
- FWCI
- 17.78
- Type
- journal article
- Language
- en
- Open access
- green
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- Raviteja, P., Phan, K. T., Hong, Y., & Viterbo, E. (2018). Interference Cancellation and Iterative Detection for Orthogonal Time Frequency Space Modulation. IEEE Transactions on Wireless Communications. https://doi.org/10.1109/twc.2018.2860011
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