Direct Sequence Spread Spectrum Signal’s Parameters Estimation Bounds

Author:

Brusin E.1ORCID

Affiliation:

1. Russian Institute of Radionavigation and Time; The Bonch-Bruevich Saint-Petersburg State University of Telecommunications

Abstract

The article discusses the problems of direct spread spectrum signal’s parameters estimation and estimation performance analyzing. The achieved estimation variances compared with the corresponding Cramer ‒ Rao bounds as a rule. The proposed approach makes it possible to determine the bounds for signals of various types of modulation and spectral characteristics. The dependences of the Cramer ‒ Rao bounds on the signal-to-noise ratio, the spread spectrum sequence length and the duration of the observation interval are presented.

Publisher

Bonch-Bruevich State University of Telecommunications

Reference13 articles.

1. Brusin E.A. Initial Timing of a Direct Spread Demodulator Using Fast Fourier Transform. Proceedings of the XIth International Conference on Infotelecommunications in Science and Education, 15‒16 February 2022, St. Petersburg, Russia, vol.2. St. Petersburg: The Bonch-Bruevich Saint-Petersburg State University of Telecommunications Publ.; 2022. p.522‒527.

2. Brusin E. Direct Sequence Spread Spectrum Signal’s Demodulator Acquisition Implementation Based on Fast Fourier Transform. Part 2. Problem Statement and Solution Approach. Proceedings of Telecommun. Univ. 2022;8(4):21‒27. DOI:10.31854/1813-324X-2022-8-4-21-27

3. Brusin E. Direct Sequence Spread Spectrum Signal’s Demodulator Acquisition Implementation Based on Fast Fourier Transform. Part 3. Carrier Frequency Estimation. Proceedings of Telecommun. Univ. 2023;9(1):35‒40. DOI:10.31854/1813-324X-2023-9-1-35-40

4. Ipatov V.P. Spread Spectrum and CDMA. Principles and Applications. John Wiley & Sons; 2005.

5. Berdnikov A.S., Zhukov E.T., Nosov E.V. Project of the modem of time scale comparison on duplex channel of satellite communication. Transactions of the Institute of Applied Astronomy RAS. 2016;36:21–26.

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