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Filtering and Quantization Effects on GNSS Successive Interference Cancellation

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The cross correlation between GPS L1 coarse acquisition signals manifests as an increased noise floor in the receiver. Reducing the amount of added noise for enhancing tracking performance is important.… Click to show full abstract

The cross correlation between GPS L1 coarse acquisition signals manifests as an increased noise floor in the receiver. Reducing the amount of added noise for enhancing tracking performance is important. Successive interference cancellation (SIC) is a method, which can reduce cross-correlation noise, but its performance is dependent on the receiver bandwidth and quantization. This research analyzes the SIC performance influenced by receiver bandwidth and quantization. Results from experiments with live data supporting the analysis are presented.

Keywords: filtering quantization; quantization; interference cancellation; successive interference

Journal Title: IEEE Transactions on Aerospace and Electronic Systems
Year Published: 2020

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