Search Results - "Enge, P."

Worldwide Vertical Guidance of Aircraft Based on Modernized GPS and New Integrity Augmentations by Walter, Todd, Enge, Per, Blanch, Juan, Pervan, Boris

“…In the 2020 time frame, the Global Positioning System (GPS) will be fully modernized, and other satellite navigation systems will be operational. With an…”
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Special Issue on Global Positioning System by Enge, P., Misra, P.

“…Global positioning system (GPS) is the most important gift of the Department of Defense to the civil world, perhaps with the exception of the Internet. Civil…”
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Local area augmentation of GPS for the precision approach of aircraft by Enge, P.

“…The Federal Aviation Administration (FAA) is investigating the feasibility of using the Global Positioning System (GPS), together with local augmentation as…”
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Bounding higher-order ionosphere errors for the dual-frequency GPS user by Datta-Barua, S., Walter, T., Blanch, J., Enge, P.

“…Civil signals at L2 and L5 frequencies herald a new phase of Global Positioning System (GPS) performance. Dual‐frequency users typically assume a first‐order…”
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Position error bound calculation for GNSS using measurement residuals by Blanch, J., Walter, T., Enge, P.

“…In safety-of-life applications of satellite navigation, the protection level (PL) equation translates what is known about the pseudo-range errors into a…”
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Improving GPS-based landing system performance using an empirical barometric altimeter confidence bound by Shau-Shiun Jan, Gebre-Egziabher, D., Walter, T., Enge, P.

“…This paper develops an empirical confidence bound for barometric altimeter altitude errors and shows how this bound may improve the performance of GPS-based…”
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Compass-M1 Broadcast Codes in E2, E5b, and E6 Frequency Bands by Gao, G.X., Chen, A., Lo, S., De Lorenzo, D., Walter, T., Enge, P.

“…With the launch of the compass-M1 satellite on 14 April 2007, China is set to become the latest entrant into global navigation satellite systems (GNSS)…”
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Robustness of TOA and TDOA Positioning Under Suboptimal Weighting Conditions by Ju-Yong Do, Rabinowitz, M., Enge, P.

“…The performance robustness of time of arrival (TOA) and time difference of arrival (TDOA) is evaluated when measurement variances are not accurately known or…”
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Wide area augmentation of the Global Positioning System by Enge, P., Walter, T., Pullen, S., Changdon Kee, Yi-Chung Chao, Yeou-Jyh Tsai

“…The Wide Area Augmentation System (WAAS) is being deployed by the Federal Aviation Administration (FAA) to augment the Global Positioning System (GPS). The…”
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RAIM with Optimal Integrity and Continuity Allocations Under Multiple Failures by Blanch, J, Walter, T, Enge, P

“…Among the receiver autonomous integrity monitoring (RAIM) algorithms treating multiple failures, multiple hypothesis solution separation algorithms (MHSS) - a…”
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Availability Impact on GPS Aviation due to Strong Ionospheric Scintillation by Jiwon Seo, Walter, T., Enge, P.

“…Strong ionospheric scintillation due to electron density irregularities inside the ionosphere is commonly observed in the equatorial region during solar…”
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Paired overbounding and application to GPS augmentation by Rife, J., Pullen, S., Pervan, B., Enge, P.

“…The relationship between range-domain and position-domain errors remains an open issue for GPS augmentation programs, such as the Federal Aviation…”
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GPS Signal-in-Space Integrity Performance Evolution in the Last Decade by Liang Heng, Gao, G. X., Walter, T., Enge, P.

“…Knowledge of the Global Positioning System (GPS) signal-in-space (SIS) anomalies in history has a great importance for not only assessing the general…”
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Precise phase calibration of a controlled reception pattern GPS antenna for JPALS by Ung Suok Kim, De Lorenzo, D.S., Akos, D., Gautier, J., Enge, P., Orr, J.

“…The Joint Precision Approach and Landing System (JPALS) is being developed to provide navigation to support aircraft landings for the U.S. military. One…”
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Spread-Spectrum Multiple-Access Performance of Orthogonal Codes: Linear Receivers by Enge, P., Sarwate, D.

“…This paper analyzes a direct-sequence, spread-spectrum, multiple-access (SSMA) communication system which assigns a set of M orthogonal sequences to each user…”
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Algorithms for crossover point determination by Lo, S., Kee, C., Enge, P.

“…This paper examines three methods of determining a GPS satellite crossover point. One method is based on an iterative grid search algorithm. Two other…”
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Design and implementation of real-time software radio for anti-interference GPS/WAAS sensors by Chen, Yu-Hsuan, Juang, Jyh-Ching, Seo, Jiwon, Lo, Sherman, Akos, Dennis M, De Lorenzo, David S, Enge, Per

“…Adaptive antenna array processing is widely known to provide significant anti-interference capabilities within a Global Navigation Satellite Systems (GNSS)…”
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Paired overbounding for nonideal LAAS and WAAS error distributions by Rife, J., Pullen, S., Enge, P., Pervan, B.

“…A significant challenge in fielding space-based and ground-based augmentation systems (SBAS and GBAS) for GPS involves the validation of navigation integrity,…”
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Sigma Overbounding using a Position Domain Method for the Local Area Augmentaion of GPS by Jiyun Lee, Pullen, S., Enge, P.

“…The local area augmentation system (LAAS) is a differential GPS navigation system being developed to support aircraft precision approach and landing navigation…”
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A real-time capable software-defined receiver using GPU for adaptive anti-jam GPS sensors by Seo, Jiwon, Chen, Yu-Hsuan, De Lorenzo, David S, Lo, Sherman, Enge, Per, Akos, Dennis, Lee, Jiyun

“…Due to their weak received signal power, Global Positioning System (GPS) signals are vulnerable to radio frequency interference. Adaptive beam and null…”
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