Results 171 to 180 of about 1,543 (216)

Joint Radar and Communication Techniques for Automotive Applications [PDF]

Lampel, Franz
core  

Effective Diversity of OTFS Modulation [PDF]

IEEE Wireless Communications Letters, 2020
Orthogonal time frequency space (OTFS) modulation, which encodes information symbols in the delay–Doppler domain, offers a promising solution to the problem of high Doppler sensitivity of orthogonal frequency division multiplexing (OFDM) transmission.
P Raviteja, Yi Hong, Emanuele Viterbo
exaly   +3 more sources

Derivation of OTFS Modulation From First Principles [PDF]

IEEE Transactions on Vehicular Technology, 2021
Orthogonal Time Frequency Space (OTFS) modulation has been recently proposed to be robust to channel induced Doppler shift in high mobility wireless communication systems. However, to the best of our knowledge, none of the prior works on OTFS have derived it from first principles. In this paper, using the ZAK representation of time-domain (TD) signals,
Saif Khan Mohammed
exaly   +3 more sources

Performance Analysis of OTFS Modulation With Receive Antenna Selection [PDF]

IEEE Transactions on Vehicular Technology, 2021
In this paper, we analyze the performance of orthogonal time frequency space (OTFS) modulation with antenna selection at the receiver, where $n_s$ out of $n_r$ receive antennas with maximum channel Frobenius norms in the delay-Doppler (DD) domain are selected. Single-input multiple-output OTFS (SIMO-OTFS), multiple-input multiple-output OTFS (MIMO-OTFS)
Vighnesh S Bhat, A Chockalingam, G D Surabhi   +2 more
exaly   +3 more sources

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Spatial Multiplexing Aided OTFS With Index Modulation

IEEE Transactions on Vehicular Technology, 2023
Lixia Xiao, Xufan Zhang, Tao Jiang
exaly   +2 more sources

Pilot Design and Optimization for OTFS Modulation

IEEE Wireless Communications Letters, 2021
Orthogonal 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, Jing Guo 0003, Xinyi Wang 0002, Weijie Yuan 0001, Zesong Fei   +4 more
openaire   +1 more source

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, Rose Mary Augustine, A Chockalingam   +2 more
exaly   +3 more sources

On the Diversity of Uncoded OTFS Modulation in Doubly-Dispersive Channels [PDF]

IEEE Transactions on Wireless Communications, 2019
Accepted in IEEE Trans. Wireless Commun. \c{opyright} 2019 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses.
G D Surabhi, Rose Mary Augustine, A Chockalingam   +2 more
exaly   +4 more sources

Generalized Index Modulation for MIMO-OTFS Transmission

IEEE Wireless Communications Letters, 2023
Dan Feng, Jianping Zheng, Baoming Bai
exaly   +2 more sources