Orthogonal Time Frequency Space (OTFS) modulation

Block Diagram
Delay-Doppler channel 1 Delay-Doppler channel 2
*First book on Delay-Doppler Communications* (including OTFS theory, Matlab code examples, and SDR implementation)
* Yi Hong, Tharaj Thaj, and E. Viterbo, "Delay-Doppler Communications: Principles and Applications" AP - Elsevier, March 1st, 2022.

Book review by Andreas F. Molisch in IEEE Communications Magazine (Volume: 61, Issue: 3, March 2023)
book cover

*NEW*
* P. Priya, E. Viterbo and Y. Hong, "Low Complexity MRC Detection for OTFS Receiver with Oversampling," IEEE Transactions on Wireless Communications, July 2023.

*Invited talk by E. Viterbo at 6G Wireless Foundation Forum (6GWFF), Eurecom, France, July, 2021: "OTFS vs OFDM: Performance-Complexity trade-offs"

*OTSM Modulation*
* Tharaj Thaj, E. Viterbo, and Yi Hong, "Orthogonal Time Sequency Multiplexing Modulation: Analysis and Low Complexity Receiver Design"IEEE Transactions on Wireless Communications, vol. 20, no. 12, pp. 7842-7855, Dec. 2021.

* Tharaj Thaj, E. Viterbo, "Orthogonal Time Sequency Multiplexing Modulation"2021 IEEE Wireless Communications and Networking Conference (WCNC), April 2021.

*NEW* Matlab sample code for OTSM
If you use the Matlab code in your work please reference the above papers.

*Keynote Talk by E. Viterbo in ICC'21 OTFS Workshop (June 18): "OTFS Detection: From Message-passing to Low-Complexity Iterative Rake Receiver", discussing the following paper.

* Tharaj Thaj, E. Viterbo, "Low Complexity Iterative Rake Decision Feedback Equalizer for Zero-Padded OTFS Systems"IEEE Transactions on Vehicular Technology, Dec. 2020, pp. 15606-15622.
*NEW* Matlab zip files for ZP-OTFS
If you use the Matlab code in your work please reference the above papers.

*First Workshop on OTFS and high mobility communications ICC 2019 (Shanghai, May 20-24) co-chaired by Yi Hong, E.Viterbo, A. Chockalingam, on "Wireless Communications in High Mobility."
Workshop website.

*OTFS Slides*
Slides of the Tutorial Presentation at ICC 2019, Shanghai, May 25, 2019
Slides of the Tutorial Presentation at VTC 2018 Fall, Chicago Aug. 27, 2018
Matlab zip files presented at the tutorial

If you use the Matlab code in your work please reference our paper:
* P. Raviteja, K. T. Phan, Y. Hong, and E. Viterbo, "Interference cancellation and iterative detection for orthogonal time frequency space modulation,"
IEEE Transactions on Wireless Communications, DOI: 10.1109/TWC.2018.2860011 (Aug 2, 2018). Arxiv version (Feb 16, 2018)

* P. Raviteja, Y. Hong, E. Viterbo, and E. Biglieri, "Practical Pulse-Shaping Waveforms for Reduced-Cyclic-Prefix OTFS,"
IEEE Transactions on Vehicular Technology, vol. 68, no. 1, pp. 957-961, Jan. 2019.

* P. Raviteja, Yi Hong, E. Viterbo, "OTFS Performance on Static Multipath Channels"IEEE Wireless Communications Letters, vol. 8, no. 3, pp. 745 -748, June 2019.

* P. Raviteja, K. T. Phan, Yi Hong, "Embedded Pilot-Aided Channel Estimation for OTFS in Delay-Doppler Channels"IEEE Transactions on Vehicular Technology , vol. 68, no. 5, pp. 4906 - 4917, May 2019.

* Tharaj Thaj and E. Viterbo, "Low-Complexity Linear Diversity-Combining Detector for MIMO-OTFS",  IEEE Wireless Communications Letters, 2021.

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Last Modified 1/2022 by Yi Hong (page under development please return for updates)