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eess.SP2024★ 3 cited
OFDM-Based Positioning with Unknown Data Payloads: Bounds and Applications to LEO PNT
Andrew M. Graff, Todd E. Humphreys
This paper presents bounds, estimators, and signal design strategies for exploiting both known pilot resources and unknown data payload resources in time-of-arrival (TOA)-based pos…
eess.SP2024
Ziv-Zakai-Optimal OFDM Resource Allocation for Time-of-Arrival Estimation
Andrew M. Graff, Todd E. Humphreys
This paper presents methods of optimizing the placement and power allocations of pilots in an orthogonal frequency-division multiplexing (OFDM) signal to minimize time-of-arrival (…
eess.SP2023
Purposeful Co-Design of OFDM Signals for Ranging and Communications
Andrew Graff, Todd E. Humphreys
This paper analyzes the fundamental trade-offs that occur in the co-design of pilot resource allocations in orthogonal frequency-division multiplexing signals for both ranging (via…