Ming-Shih Huang’s research while affiliated with Pennsylvania State University and other places

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Publications (6)


Trilateration-Based Localization Algorithm Using the Lemoine Point Formulation
  • Article

January 2014

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305 Reads

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21 Citations

IETE Journal of Research

Ming-Shih Huang

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The centroid of three most closely spaced intersections of constant-range loci is conventionally used as trilateration estimate without rigorous justification. In this paper, we address the quality of trilateration intersections through range scaling factors. Several triangle centres, including centroid, incentre, Lemoine point, and Fermat point, are discussed in detail. Lemoine point (LP) is proposed as the best trilateration estimator thanks to the desired property that the total distance to three triangle edges is minimized. It is demonstrated through simulation that LP outperforms centroid localization without additional computational load. In addition, severe trilateration scenarios such as two-intersection cases are considered in this paper, and enhanced trilateration algorithms are proposed.


Surveillance principles and concepts for ADS-B and ADS-B radar. (a) ADS-B: communication between equipped aircraft and ATC. (b) ADS-B radar: able to detect both equipped and nonequipped aircraft.
Surveillance principles and concepts for ADS-B and ADS-B radar. (a) ADS-B: communication between equipped aircraft and ATC. (b) ADS-B radar: able to detect both equipped and nonequipped aircraft.
Conceptual architecture of ADS-B radar system.
Illustration of the ADS-B waveform (blue) versus the ADS-B radar waveform (red).
Autocorrelation of standard ADS-B signal and autocorrelation of the ADS-B radar signal.

+11

Tracking of Noncooperative Airborne Targets Using ADS-B Signal and Radar Sensing
  • Article
  • Full-text available

January 2013

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1,699 Reads

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11 Citations

As the Automatic Dependent Surveillance-Broadcast (ADS-B) system has gained wide acceptance, additional exploitations of the radioed satellite-based information are topics of current interest. One such opportunity includes the augmentation of the communication ADS-B signal with a random biphase modulation for concurrent use as a radar signal. This paper addresses the formulation and analysis of a suitable noncooperative multitarget tracking method for the ADS-B radar system using radar ranging techniques and particle filter algorithms. In addition, the low-update-rate measurement due to the ADS-B system specification is discussed in order to provide acceptable estimation results. Simulation results show satisfactory tracking capability up to several kilometers with acceptable accuracy.

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Non-cooperative collision avoidance concept for Unmanned Aircraft System using satellite-based radar and radio communication

October 2011

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113 Reads

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6 Citations

Rapidly increasing growth and demand in various Unmanned Aircraft Systems (UAS) have pushed governmental regulation development and numerous technology research activities toward integrating unmanned and manned aircraft into the same civil airspace. Safety of other airspace users is the primary concern; thus, with the introduction of UAS into the National Airspace System (NAS), a key issue to overcome is the risk of a collision with manned aircraft. The challenge of UAV integration is global. In this paper, the authors present the operational concept and benefits of an airborne collision system for UAS based on a modified automatic dependent surveillance — broadcast (ADS-B) system, a promising technology under development globally. With the affordable Universal Access Transceiver (UAT) Beacon Radio developed by The MITRE Corporation and the hybrid estimation approach for resource-limited UAS, the ADS-B radar concept appears to be an economically viable solution to detect both cooperative and non-cooperative targets using a single avionics package.


Non-cooperative collision avoidance concept for Unmanned Aircraft System using satellite-based radar and radio communication

October 2011

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106 Reads

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5 Citations

Rapidly increasing growth and demand in various Unmanned Aircraft Systems (UAS) have pushed governmental regulation development and numerous technology research activities toward integrating unmanned and manned aircraft into the same civil airspace. Safety of other airspace users is the primary concern; thus, with the introduction of UAS into the National Airspace System (NAS), a key issue to overcome is the risk of a collision with manned aircraft. The challenge of UAV integration is global. In this paper, the authors present the operational concept and benefits of an airborne collision system for UAS based on a modified automatic dependent surveillance – broadcast (ADSB) system, a promising technology under development globally. With the affordable Universal Access Transceiver (UAT) Beacon Radio developed by The MITRE Corporation and the hybrid estimation approach for resource-limited UAS, the ADS-B radar concept appears to be an economically viable solution to detect both cooperative and noncooperative targets using a single avionics package.


SAR-like localization of RFID tags for non-uniform trajectory

October 2010

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16 Reads

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5 Citations

In this paper we present a new principle for localization of backscatter RFID tags. A new algorithm comparable to synthetic aperture radar on a non-uniform trajectory is proposed. The performance is verified with measurement data acquired by a multi sensor platform which comprises radar, imaging and RFID. The identified RFID transponder positions are presented with augmented-reality visualization. The new radar approach called SAR-like is shown to have similar performance as SAR at an apparently lower computational cost.


A concept for infrastructure independent localization and augmented reality visualization of RFID tags

October 2009

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27 Reads

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14 Citations

In this paper we present a multi sensor concept for localization and augmented-reality visualization of backscatter RFID tags. The sensor data of a camera and a RFID FMCW reader system are combined based on a synthetic aperture radar principle. The system enables the localization of tagged goods without the use of any installed infrastructure. We integrate a FMCW RFID reader and a camera system into a handheld device. While the handheld device is moved around, radar measurements as well as images of the surrounding area are taken at a number of locations. Thus, a synthetic aperture is generated and the position of the tags is calculated based on a SAR localization algorithm. Based on the imagery of the camera the user receives an augmented visual impression of where to find the RFID transponders.

Citations (6)


... For collision avoidance, utilizing satellite-based radar for UASs has been studied in [92]. A modified Automatic Dependent Surveillance-Broadcast (ADS-B) system is used. ...

Reference:

Potential Data Link Candidates for Civilian Unmanned Aircraft Systems: A Survey
Non-cooperative collision avoidance concept for Unmanned Aircraft System using satellite-based radar and radio communication
  • Citing Conference Paper
  • October 2011

... For this reason, several strategies have been presented to improve the accuracy of the distance estimation and localization of the Multilateration method. For example, the authors in Ref. [49] discussed the properties of the centers of triangles and used them to improve the Trilateration algorithm to deal with extreme trilateration scenarios, such as the case of two intersections. Also, some approaches, such as [28,50], proposed to resize the circle to correct overestimation or underestimation of circle radii. ...

Trilateration-Based Localization Algorithm Using the Lemoine Point Formulation
  • Citing Article
  • January 2014

IETE Journal of Research

... According to the actual situation [18,19], we initially estimate that the vertical distance between the vehicle and satellite is R min , and the farthest distance that the satellite can cover is R max . The ADS-B signal carrier frequency is F c = 1090 MHz. ...

Tracking of Noncooperative Airborne Targets Using ADS-B Signal and Radar Sensing

... The proposed Quasi-ADS-B uses 900 MHz XBee-Pro 900HP for data broadcasting, instead of 1090/978 MHz in TCAS II for air transportation systems in the developing phase. The system design will suit different CD&R algorithms in TCAS for traffic advisory (TA) and resolution advisory (RA) [3, 10, 12]. The UAV/CD&R Quasi-ADS-B transceiver is designed and implemented for flight tests using ultralight aircraft in a small confined airspace. ...

Non-cooperative collision avoidance concept for Unmanned Aircraft System using satellite-based radar and radio communication
  • Citing Article
  • October 2011

... Werden dabei Sender und Empfänger in Hardware nicht-kohärent betrieben, kann eine digitale Trägerrückgewinnung am Empfänger genutzt werden, um die Kohärenz in der Signalverarbeitung wiederherzustellen, wie in einer betreuten Masterarbeit gezeigt werden konnte [99,131]. Die Messdauer ist im gewählten Aufbau sehr hoch und nicht für eine kommerzielle Nutzung geeignet, kann jedoch durch das Verwenden eines mehrkanaligen Empfängers [131] [132] und speziell für die RFID-Lokalisierung in [133] beschrieben. Um eine mit einem Handlesegerät aufgespannte synthetische Apertur für die Lokalisierung verwenden zu können, muss die zeitabhängige Antennenposition über der Zeit gemessen werden. ...

A concept for infrastructure independent localization and augmented reality visualization of RFID tags
  • Citing Conference Paper
  • October 2009

... Other system impairments such as receiver noise, phase noise of the RF synthesizer, instabilities of the modulation, as well as phase and amplitude distortion of the antenna and the RF system were ignored. However, based on practical experience with CW radar based RFID localization [6,8,9,13,15], most of these distortions can be kept small by careful system design, so multipath propagation is very often the dominating cause for ranging errors. The channel inside a UHF RFID portal is a severe multipath environment, providing a challenge even for ultra-wideband localization, as will be shown below. ...

SAR-like localization of RFID tags for non-uniform trajectory
  • Citing Conference Paper
  • October 2010