NDLI: Characterization of interference effects in multiple antenna GNSS receivers

Content Provider	IEEE Xplore Digital Library
Author	Balaei, A.T. Aboutanios, E.
Copyright Year	2010
Description	Author affiliation: The School of Electrical Engineering and Telecommunications, The University of New South Wales, Sydney, Australia 2052 (Balaei, A.T.; Aboutanios, E.)
Abstract	The understanding and mitigation of the effects of narrowband interference on the operation of global navigation satellite system (GNSS) receivers are crucial to maintaining a satisfactory performance of these systems. The carrier to noise density ratio (C/N0) is a measure of the strength of the received signal relative to the noise (including any interference present) and is therefore an important indicator of the achievable performance. Thus a significant amount of work has been done in the case of single antenna receivers to characterize the impact of the narrowband inteference on the C/N0, leading to the introduction of the Spectral Separation Coefficient (SSC). In this work, we extend these concepts to antenna arrays and introduce the Spectral and Spatial Separation Coefficient (SSSC). In addition to the Doppler separation, the SSSC takes into account the spatial dimension of the antenna array in order to quantify the effect of the interference on the quality of the received signal of interest. As the SSSC increases, the effect of the interference on the desired signal decreases and consequently the C/N0 improves. We derive closed formulae for both the SSSC and effective C/N0 in the case of a single narrowband interference and evaluate them using simulations.
Starting Page	3930
Ending Page	3934
File Size	201101
Page Count	5
File Format	PDF
ISBN	9781424465132
e-ISBN	9781424465163
DOI	10.1109/CISP.2010.5647571
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2010-10-16
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Multiple antenna receiver Noise Receiving antennas GNSS Interference Carrier to noise density ratio Doppler effect Antenna arrays Global Positioning System
Content Type	Text
Resource Type	Article

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
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3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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