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Interference Mitigation Using UNet for Integrated Sensing and Communicating Vehicle Networks via Delay-Doppler Sounding Reference Signal Approach. [PDF]
Sensors (Basel)Tang Y, Zhu Y.
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Cross-correlation-based signal pruning method (CCSPM) for effective signal distortion reduction in massive MIMO communications. [PDF]
Sci RepKasiselvanathan M +5 more
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Peak-to-Average Power Ratio of OTFS Modulation
IEEE Communications Letters, 2019 In this letter, we analyze the peak-to-average power ratio (PAPR) of orthogonal time frequency space modulation (OTFS) waveform. Towards this, we consider modulation symbols on an $N\times M$ delay-Doppler grid, where $N$ and $M$ are the number of Doppler and delay bins, respectively.
G D Surabhi +2 more
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Low-Complexity Linear Equalization for OTFS Modulation
IEEE Communications Letters, 2020In this letter, we propose low-complexity linear equalizers for orthogonal time frequency space (OTFS) modulation that exploit the structure of the effective channel matrix in OTFS. The proposed approach exploits the block circulant nature of the OTFS channel matrix to achieve significant complexity reduction.
G D Surabhi, A Chockalingam
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Spatial Multiplexing Aided OTFS With Index Modulation
IEEE Transactions on Vehicular Technology, 2023Lixia Xiao, Xufan Zhang, Tao Jiang
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In-Phase and Quadrature Index Modulation Aided OTFS Transmission
IEEE Communications Letters, 2022, Jianping Zheng, Baoming Bai
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Generalized Index Modulation for MIMO-OTFS Transmission
IEEE Wireless Communications Letters, 2023, Jianping Zheng, Baoming Bai
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Pilot Design and Optimization for OTFS Modulation
IEEE Wireless Communications Letters, 2021Orthogonal time frequency space (OTFS) modulation has shown its advantages in high-mobility scenarios compared to orthogonal frequency division multiplexing. In this work, we focus on the OTFS pilot design and optimization from the perspective of improving the spectrum efficiency without degrading the channel estimation and symbol detection performance.
Siqiang Wang +4 more
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Spatial Modulation Based MIMO-OTFS Transmissions
2021 IEEE/CIC International Conference on Communications in China (ICCC Workshops), 2021Orthogonal time frequency space (OTFS) is a novel modulation scheme designed in delay-Doppler domain, which shows a strong Doppler-resilience over doubly-dispersive channels. The interaction between delay-Doppler channel and OTFS symbols allows a linear scaling of capacity with the multiple-input multiple-output (MIMO) order and simultaneously enables ...
Chunqiong Zhang +3 more
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