TY - GEN
T1 - Orthogonal Time Frequency Space Modulation (OTFS) for Positioning Using LEO Satellites
AU - Foreman-Campins, Guillem
AU - Lopez-Salcedo, Jose A.
AU - Lohan, Elena Simona
N1 - Publisher Copyright:
© 2024 FRUCT Oy.
PY - 2024
Y1 - 2024
N2 - This paper analyses the achievable delay and Doppler estimation accuracies and the Multipath Error Envelopes (MEE) of Low Earth Orbit (LEO) Position-Navigation-Timing (PNT) systems, using the novel Orthogonal Time Frequency Space (OTFS) modulation. In this paper we investigate the advantages the OTFS modulation, which has originally been designed for communication purposes, may bring to the positioning field in LEO-PNT systems, in particular in the presence of doubly-selective wireless fading channels exhibiting both delay and Doppler spreads. We show how a LEO air-to-ground channel fits this description due to its fast dynamics, and we present the improvements of using OTFS with respect to the standard spread-spectrum single-carrier Binary Phase Shift Keying (BPSK) modulation in terms of delay-Doppler estimation accuracy, in addition to a comparison of their performance in LEO multipath scenarios through their respective MEEs.
AB - This paper analyses the achievable delay and Doppler estimation accuracies and the Multipath Error Envelopes (MEE) of Low Earth Orbit (LEO) Position-Navigation-Timing (PNT) systems, using the novel Orthogonal Time Frequency Space (OTFS) modulation. In this paper we investigate the advantages the OTFS modulation, which has originally been designed for communication purposes, may bring to the positioning field in LEO-PNT systems, in particular in the presence of doubly-selective wireless fading channels exhibiting both delay and Doppler spreads. We show how a LEO air-to-ground channel fits this description due to its fast dynamics, and we present the improvements of using OTFS with respect to the standard spread-spectrum single-carrier Binary Phase Shift Keying (BPSK) modulation in terms of delay-Doppler estimation accuracy, in addition to a comparison of their performance in LEO multipath scenarios through their respective MEEs.
U2 - 10.23919/FRUCT64283.2024.10749862
DO - 10.23919/FRUCT64283.2024.10749862
M3 - Conference contribution
AN - SCOPUS:85210844885
T3 - Conference of Open Innovation Association, FRUCT
SP - 188
EP - 194
BT - Proceedings of the 36th Conference of Open Innovations Association FRUCT, FRUCT 2024
A2 - Khlaponin, Yurii
A2 - Balandin, Sergey
PB - IEEE
T2 - Conference of Open Innovations Association FRUCT
Y2 - 30 October 2024 through 1 November 2024
ER -