Results 251 to 260 of about 739,624 (293)

Optimizing matched filters for GNSS receivers

2017 International Conference on Localization and GNSS (ICL-GNSS), 2017
This paper presents methods for optimizing matched filter based GNSS acquisition units. Matched filters become computationally complex when the reference signal length is increased. They have a fixed length in time, which also limits the achievable integration time.
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Reconfigurable architectures for GNSS receiver

2012 Nirma University International Conference on Engineering (NUiCONE), 2012
Satellite based navigation is a rapidly growing application of satellite systems. The recent development of the various Global Navigation Satellite Systems (GNSS) demands attention towards very important technical aspects of interoperability and compatibility.
Kriti Khatri, Nagendra Gajjar
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Coarse Self-Synchronization Technique for GNSS Receivers

2007 IEEE Workshop on Signal Processing Systems, 2007
In this paper, an original low-complexity technique for fast PN code acquisition is proposed. Its major advantage is that the receiver does not need to know the PN code itself, but only its length. We have applied the proposed technique in the context of GNSS receivers, and more specifically to Galileo, the European contribution to GNSS.
Mahafeno, Irène Masinjara, Conde-Canencia, Laura, Boutillon, Emmanuel   +2 more
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Modernized Spaceborne GNSS Receivers

IFAC Proceedings Volumes, 2008
The further development of navigation receivers has to go hand in hand with the advances in the constellations for Global Navigation Satellite Systems (GNSS). As more and more features will be provided by the services of modernized GPS, GLONASS and the upcoming Galileo and COMPASS, the functions and performance of spaceborne GNSS receivers have to be ...
Peter A. Krauss, Christopher Kühl, Michael Mittnacht, Jens Heim, Eveline Gottzein   +4 more
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Ionosphere Sensing With a Low-Cost, Single-Frequency, Multi-GNSS Receiver

IEEE Transactions on Geoscience and Remote Sensing, 2019
The global navigation satellite system (GNSS) data are beneficial for sensing the earth’s ionosphere by virtue of their temporal continuity and spatial coverage.
Chuanbao Zhao, Yunbin Yuan, Baocheng Zhang, Min Li   +3 more
semanticscholar   +1 more source

Cross-calibrations of multi-GNSS Receiver Chains

2019 Joint Conference of the IEEE International Frequency Control Symposium and European Frequency and Time Forum (EFTF/IFC), 2019
GNSS receiver chain calibration is a pre-requisite for accurate GNSS time transfer and GNSS time dissemination, which becomes particularly relevant in a competitive multi-GNSS environment.
P. Waller, R. Valceschini, J. Delporte, D. Valat   +3 more
semanticscholar   +1 more source

Analysis and Evaluation of Spoofing Effect on GNSS Receiver

2015 IEEE 12th Intl Conf on Ubiquitous Intelligence and Computing and 2015 IEEE 12th Intl Conf on Autonomic and Trusted Computing and 2015 IEEE 15th Intl Conf on Scalable Computing and Communications and Its Associated Workshops (UIC-ATC-ScalCom), 2015
Spoofing can effectively attack the GNSS receiver in better ways than normal interference method and it is becoming a main jamming mode to the GNSS. With the rapid development of GNSS spoofing and anti-spoofing, a supporting evaluation system feasible to assess the spoofing effect on receiver appears essential.
Xiaofeng Ouyang, Fangling Zeng, Pan Hou, Ruizhi Guo   +3 more
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A Dynamically Configurable Decimator for a GNSS Baseband Receiver

IEEE Transactions on Aerospace and Electronic Systems, 2017
Modern global navigation satellite system (GNSS) front ends sample the received radio-frequency signal at an intermediate frequency (IF) and, then, downconvert it to baseband in the digital domain. A locally generated spreading code is subsequently correlated with the baseband signal at the sampling frequency. This can mean that the receiver correlates
Vinh T. Tran, Andrew G. Dempster, Thuan Dinh Nguyen, Nagaraj Channarayapatna Shivaramaiah   +3 more
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Protecting GNSS Receivers From Jamming and Interference

Proceedings of the IEEE, 2016
Critical government and industry sectors (such as law enforcement, transportation, communication, and finance) are growing increasingly dependent on Global Navigation Satellite Systems (GNSS) for positioning, navigation, and timing. At the same time, the availability of low-cost GNSS jamming devices are presenting a serious threat to GNSS and ...
Grace Xingxin Gao, Matteo Sgammini, Mingquan Lu, Nobuaki Kubo   +3 more
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System-on-Chip FPGA-based GNSS receiver

East-West Design & Test Symposium (EWDTS 2013), 2013
Modern FPGAs offer a cost-efficient alternative to ASICs, and provide the flexibility and scalability to respond rapidly to changing consumer requirements. Soft processor solution such as MicroBlaze makes it possible to integrate a multi-processor system on the single FPGA chip along with the bulk of logic circuitry.
Alexander Fridman, Serguey Semenov
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