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Zusammenfassung

Global navigation satellite system (GNSS ) signals are so weak near the Earth’s surface that they can be easily squelched by natural or man-made interference. Moreover, the most popular GNSS signals – those offered with unrestricted access – are unencrypted and unauthenticated, which means they can be counterfeited, or spoofed. Strict international laws protect the radio frequency bands allocated to GNSS, but mother nature does not respect these laws, and man-made interference – whether accidental or intentional – is a growing concern.

This chapter examines sources of GNSS signal interference and the interference effects on GNSS signal tracking. It offers a systematic treatment of natural, unintentional, and intentional interference, with emphasis on intentional jamming and spoofing. Theoretical performance bounds are developed for the simplest cases of narrowband and wideband interferences. The chapter finishes with a review of the state of the art in antenna-oriented and signal-processing-oriented interference detection and mitigation techniques.

AGC

automatic gain control

BOC

binary offset carrier

CDGNSS

carrier-phase differential GNSS

CNAV

civil navigation message

DME

distance measuring equipment

FCC

Federal Communications Commission

GNSS

global navigation satellite system

GPS

Global Positioning System

IMU

inertial measurement unit

ITU

International Telecommunication Union

LNA

low-noise amplifier

MAP

maximum a posteriori

MEMS

micro-electromechanical system

OCXO

oven controlled crystal oscillator

PLL

phase lock loop

PPD

personal privacy device

PPP

precise point positioning

PVT

position, velocity and time

RFI

radio frequency interference

RF

radio frequency

RNSS

radio navigation satellite service

SNR

signal-to-noise ratio

TACAN

tactical air navigation (system)

TCXO

temperature compensated crystal oscillator

UHF

ultra-high frequency

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Copyright information

© Springer-Verlag Berlin Heidelberg 2017

Authors and Affiliations

  1. 1.Aerospace Engineering and Engineering Mechanics, W.R. Woolrich Laboratories, C0600The University of Texas at AustinAustinUSA

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