Search Results - "Jafarnia, Ali"
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GNSS space-time interference mitigation and attitude determination in the presence of interference signals
Published in Sensors (Basel, Switzerland) (26-05-2015)“…The use of Space-Time Processing (STP) in Global Navigation Satellite System (GNSS) applications is gaining significant attention due to its effectiveness for…”
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Journal Article -
2
GPS spoofer countermeasure effectiveness based on signal strength, noise power, and C/N0 measurements
Published in International journal of satellite communications and networking (01-07-2012)“…SUMMARY Spoofing sources can effectively disrupt a GPS receiver during the acquisition phase by generating multiple false correlation peaks and increasing the…”
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Journal Article -
3
Incidence of Neonatal Hyperphenylalaninemia Based on High-performance Liquid Chromatography Confirmatory Technique in Mazandaran Province, Northern Iran (2007-2015)
Published in International journal of preventive medicine (01-01-2017)“…Background: Classic phenylketonuria (PKU) is a metabolic disorder. The purpose of this study was to assess epidemiological factors of PKU phenotypes in a…”
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Journal Article -
4
The First Screening Program for Colorectal Cancer in the North of Iran
Published in Journal of gastrointestinal cancer (01-03-2020)“…Purpose Colorectal cancer (CRC) is the second leading cause of cancer deaths. This screening aimed to determine the positivity of the fecal occult blood test…”
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Journal Article -
5
Overview of Spatial Processing Approaches for GNSS Structural Interference Detection and Mitigation
Published in Proceedings of the IEEE (01-06-2016)“…GNSS-dependent positioning, navigation, and timing synchronization procedures have a significant impact on everyday life. Thus, such an extensively used system…”
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Journal Article -
6
Blind estimation of signal in periodic long-code DSSS communications
Published in 2009 IEEE Sarnoff Symposium (01-03-2009)“…This paper discusses blind estimation of periodic long-code (PLC) direct sequence spread spectrum (DSSS) signal. We model a PLC DSSS signal as equivalent to a…”
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Conference Proceeding -
7
GPS spoofer countermeasure effectiveness based on signal strength, noise power, and C/N 0 measurements
Published in International journal of satellite communications and networking (01-07-2012)“…SUMMARY Spoofing sources can effectively disrupt a GPS receiver during the acquisition phase by generating multiple false correlation peaks and increasing the…”
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Journal Article -
8
Spoofing detection, classification and cancelation (SDCC) receiver architecture for a moving GNSS receiver
Published in GPS solutions (01-07-2015)“…Spoofing in the form of transmitting fake GNSS signals is a deliberate attack that aims to mislead GNSS receivers into generating false position/time…”
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9
Metric based symbol predistortion for peak power reduction of space frequency coded OFDM systems
Published in IEEE transactions on consumer electronics (01-08-2010)“…In this paper, a metric based symbol predistortion method is introduced for Peak to Average Power Ratio (PAPR) reduction of the Space Frequency Block Coded…”
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Journal Article -
10
A GNSS structural interference mitigation technique using antenna array processing
Published in 2014 IEEE 8th Sensor Array and Multichannel Signal Processing Workshop (SAM) (01-06-2014)“…Position solutions provided by Global Navigation Satellite Systems (GNSS) can be completely misled by structural interference or spoofing threats. An approach…”
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Conference Proceeding -
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Gnss signal authenticity verification using carrier phase measurements with multiple receivers
Published in 2016 8th ESA Workshop on Satellite Navigation Technologies and European Workshop on GNSS Signals and Signal Processing (NAVITEC) (01-12-2016)“…Structural interference signals can severely jeopardize the performance of GNSS receivers which may lead to serious consequences for scores of applications…”
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Conference Proceeding -
12
Galileo signal authenticity verification using signal quality monitoring methods
Published in 2016 International Conference on Localization and GNSS (ICL-GNSS) (01-06-2016)“…Civilian GNSS signals are highly vulnerable to structural interference due to publicly known signal structure and lack of encryption. This type of interference…”
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Conference Proceeding Journal Article -
13
Characterization of GNSS measurement distortions due to antenna array processing in the presence of interference signals
Published in 2014 Ubiquitous Positioning Indoor Navigation and Location Based Service (UPINLBS) (01-11-2014)“…GNSS signals are relatively weak once they are received on the earth surface and due to which they are very much vulnerable to intentional and unintentional…”
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Conference Proceeding -
14
GNSS spoofing detection in handheld receivers based on signal spatial correlation
Published in Proceedings of the 2012 IEEE/ION Position, Location and Navigation Symposium (01-04-2012)“…Spoofing and jamming in the form of transmitting counterfeit location information and denying services are an emerging threat to GNSS receivers. In general,…”
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Conference Proceeding -
15
Multiuser power allocation in downlink of cooperative CDMA networks
Published in 2009 IEEE 20th International Symposium on Personal, Indoor and Mobile Radio Communications (01-09-2009)“…In this paper, we study the downlink of cooperative Direct-Sequence Code Division Multiple Access (DS-CDMA) systems, where a set of Mobile Terminals (MT)…”
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Conference Proceeding -
16
Ant Colony Optimization approach to interference minimizing code assignment in cognitive CDMA networks
Published in 34th IEEE Sarnoff Symposium (01-05-2011)“…In this paper we focus on the problem of code assignment to cognitive users in a synchronous underlay network using Code Division Multiple Access (CDMA)…”
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Conference Proceeding -
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Multiuser precoding and power allocation in downlink of cooperative CDMA networks
Published in 2009 International Conference on Advanced Technologies for Communications (01-10-2009)“…In this paper, we study the downlink of cooperative Direct-Sequence Code Division Multiple Access (DS-CDMA) systems, where a set of Mobile Terminals (MT)…”
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Conference Proceeding -
18
Cooperative communication with power allocation in downlink CDMA networks
Published in 2009 International Conference on Advanced Technologies for Communications (01-10-2009)“…In this paper, we study the downlink of cooperative Direct-Sequence Code Division Multiple Access (DS-CDMA), where a set of Mobile Terminals (MT) are…”
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Conference Proceeding -
19
On multi-user detection in CDMA based cooperative networks
Published in 2009 IEEE Sarnoff Symposium (01-03-2009)“…In this paper, we investigate cooperative diversity in the uplink of a code division multiple access (CDMA) system, in which users cooperate by relaying each…”
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Conference Proceeding -
20
An approach to discriminate GNSS spoofing from multipath fading
Published in 2016 8th ESA Workshop on Satellite Navigation Technologies and European Workshop on GNSS Signals and Signal Processing (NAVITEC) (01-12-2016)“…GNSS signals are vulnerable to various types of interference including jamming and spoofing attacks. Spoofing signals are designed to deceive target GNSS…”
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Conference Proceeding