NDLI: Digital downconversion test results with a broadband L-band GPS receiver

Content Provider	IEEE Xplore Digital Library
Author	Brown, A. Sward, W.
Copyright Year	1994
Description	Author affiliation: NAVSYS Corp., Colorado Springs, CO, USA (Brown, A.; Sward, W.)
Abstract	This paper describes the architecture of a fully digital receiver designed for Global Positioning System (GPS) satellite radionavigation and other spread spectrum applications. By directly sampling L-band radio frequencies with a minimum of analog components, phase coherent measurements can be made across a broad range of frequencies, enabling a set of measurements to be optimally combined from signals of different frequencies. Band pass sampling techniques allow measurements across a 400 MHz bandwidth with signal downconversion performed by digital techniques. The receiver incorporates a unique software configurable topology for frequency selection that enables filter parameters to be loaded dynamically, achieving rapid change of tracking frequency. This allows the receiver channels to be configured for GPS navigation or spread spectrum communications simply through software commands.<>
Starting Page	426
Ending Page	431
File Size	410112
Page Count	6
File Format	PDF
ISBN	0780324250
DOI	10.1109/DASC.1994.369446
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	1994-10-30
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Testing L-band Global Positioning System Spread spectrum communication Sampling methods Frequency measurement Phase measurement Receivers Satellite broadcasting Radio frequency
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
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
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
5	Website/Portal (Helpdesk)	Queries regarding NDLI and its services	support@ndl.gov.in
6	Contents and Copyright Issues	Queries related to content curation and copyright issues	content@ndl.gov.in
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9	IDR Setup or Support	Queries related to establishment and support of Institutional Digital Repository (IDR) and IDR workshops	idr@ndl.gov.in

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