An Investigation of Aircraft Tracking through Space-based ADS-B Receiver

Caya, T. V.; Hafizh, M.; Benyamin, S.; Edwar,; Putra, Y. D.; Widiawan, A. K.

doi:10.1109/tssa48701.2019.8985488

Cited by 2 publications

(1 citation statement)

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“…Blomenhofer et al 6 elaborates on the feasibility of reception of ADS‐B signals from a satellite. In recent years, many publications 7‐10 have studied and designed the space‐based ADS‐B receivers. However, inevitably, the satellite‐based ADS‐B application may face with two obstacles: low signal‐to‐noise ratio (SNR) and false replies uncorrelated in time (FRUIT).…”

Section: Introductionmentioning

confidence: 99%

An improved time support estimation method for overlapping automatic dependent surveillance‐broadcast signals in low signal‐to‐noise ratio region

Ren

Wang

Zhang

et al. 2020

Satell Commun Network

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Summary In the satellite‐based application, due to the low signal‐to‐noise ratio (SNR) of received signals, it is highly difficult to estimate the time support of overlapping automatic dependent surveillance‐broadcast (ADS‐B) signals, resulting in the failure of many separation algorithms. Besides, it is troublesome to determine the detection threshold for unknown noise variance. In this paper, we first present three estimation methods of noise variance based on eigenvalue decomposition, which are suitable for constant and slowly varying noise variance, respectively. The proposed time support estimation is therefore of constant false alarm rate property. Moreover, according to the characteristic of ADS‐B signals, we design a matched filter and propose two estimation schemes of direct form and indirect form, which significantly improves the estimation accuracy and detection probability. Finally, in combination of the well‐known projection algorithm (PA), it is concluded that with the proposed estimation method, PA exhibits a satisfactory separation performance at low SNRs.

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Section: Introductionmentioning

confidence: 99%