A Reliable Separation Algorithm of ADS-B Signal Based on Time Domain
نویسندگان
چکیده
With the development of Aerospace Science and technology, automatic dependent surveillance-broadcast has become a core technique in field air surveillance. Installing ADS-B receiver on LEO satellite can solve problem small coverage ground receiver, to realize global monitoring. However, system is faced with serious collision overlap problems, which impact signal decoding, leading wrong decoding or even loss important information. In this paper, time-domain blind separation algorithm proposed. When there certain power difference between two source signals, signals are offset by high-power low-power get corresponding cancellation signals. According superposition mode different pulses, bit decision results obtained according amplitude, recover signal. Simulations demonstrate that proposed feasible lower error rate.
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ژورنال
عنوان ژورنال: IEEE Access
سال: 2021
ISSN: ['2169-3536']
DOI: https://doi.org/10.1109/access.2021.3082077