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02/17/2023
OTFS – Predictability in the Delay-Doppler Domain and its Value to Communication and Radar Sensing
In our first paper [2] we explained why the Zak-OTFS input-output (I/O) ...
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02/17/2023
OTFS – A Mathematical Foundation for Communication and Radar Sensing in the Delay-Doppler Domain
Orthogonal time frequency space (OTFS) is a framework for communication ...
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11/11/2021
Low Complexity Channel Estimation for OTFS Modulation with Fractional Delay and Doppler
We consider the problem of accurate channel estimation for OTFS based sy...
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10/17/2021
Spectral Efficiency of OTFS Based Orthogonal Multiple Access with Rectangular Pulses
In this paper we consider Orthogonal Time Frequency Space (OTFS) modulat...
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11/24/2020
Low Complexity Precoding and Detection in Multi-user Massive MIMO OTFS Downlink
We consider the problem of degradation in performance of multi-carrier m...
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10/24/2020
OTFS Based Random Access Preamble Transmission For High Mobility Scenarios
We consider the problem of uplink timing synchronization for Orthogonal ...
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07/28/2020
Derivation of OTFS Modulation from First Principles
Orthogonal Time Frequency Space (OTFS) modulation has been recently prop...
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06/22/2020
Time-Domain to Delay-Doppler Domain Conversion of OTFS Signals in Very High Mobility Scenarios
In Orthogonal Time Frequency Space (OTFS) modulation, information symbol...
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01/25/2018
