Search Results - "HO, C.‐K."

Source Localization Using TDOA and FDOA Measurements in the Presence of Receiver Location Errors: Analysis and Solution by Ho, K.C., Xiaoning Lu, Kovavisaruch, L.

“…The accuracy of a source location estimate is very sensitive to the accurate knowledge of receiver locations. This paper performs analysis and develops a…”
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An Asymptotically Efficient Estimator in Closed-Form for 3-D AOA Localization Using a Sensor Network by Yue Wang, Ho, K. C.

“…Locating a signal source using angles of arrival (AOAs) in a wireless sensor network is attractive because it does not require synchronization of the…”
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Bias Reduction for an Explicit Solution of Source Localization Using TDOA by Ho, K. C.

“…This paper proposes two methods to reduce the bias of the well-known algebraic explicit solution (Chan and Ho, "A simple and efficient estimator for hyperbolic…”
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Elliptic Localization: Performance Study and Optimum Receiver Placement by Liyang Rui, Ho, K. C.

“…Range based localization often relies on TOA that creates a circular contour or TDOA that yields hyperbolic surface to determine the position of an emitting…”
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Doppler Radar Fall Activity Detection Using the Wavelet Transform by Su, Bo Yu, Ho, K. C., Rantz, Marilyn J., Skubic, Marjorie

“…We propose in this paper the use of Wavelet transform (WT) to detect human falls using a ceiling mounted Doppler range control radar. The radar senses any…”
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A Microphone Array System for Automatic Fall Detection by Li, Yun, Ho, K. C., Popescu, Mihail

“…More than a third of elderly fall each year in the United States. It has been shown that the longer the lie on the floor, the poorer is the outcome of the…”
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Efficient Source Separation Algorithms for Acoustic Fall Detection Using a Microsoft Kinect by Li, Yun, Ho, K. C., Popescu, Mihail

“…Falls have become a common health problem among older adults. In previous study, we proposed an acoustic fall detection system (acoustic FADE) that employed a…”
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Emerging education hubs: The case of Singapore by Sidhu, Ravinder, Ho, K.-C, Yeoh, Brenda

“…In anticipation of a globalising post-Fordist political economy, countries and universities are increasingly pursuing strategic transnational education and…”
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A Study on the Effects of Sensor Position Error and the Placement of Calibration Emitter for Source Localization by Zhenhua Ma, Ho, K. C.

“…Modern applications use mobile or randomly deployed sensors whose positions are not precise when locating a signal source. An estimator would require…”
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Integrating AOA With TDOA for Joint Source and Sensor Localization by Ho, Dominic K. C., Le, Trung-Kien

“…This paper investigates the use of angles of arrival (AOAs) in addition to time differences of arrival (TDOAs) for the simultaneous localization of sources and…”
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Localization of a Moving Source by Frequency Measurements by Ahmed, Musaab M., Ho, Dominic K. C., Wang, Gang

“…This paper investigates the localization of a moving source in position and velocity, by observing the emitted frequency from the source that is subject to the…”
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Algebraic Complete Solution for Joint Source and Sensor Localization Using Time of Flight Measurements by Le, Trung-Kien, Ho, Dominic K. C.

“…Joint source and sensor localization is a challenging problem, nevertheless it has numerous potential applications. This paper takes time of flight…”
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An accurate algebraic solution for moving source location using TDOA and FDOA measurements by Ho, K.C., Wenwei Xu

“…This paper proposes an algebraic solution for the position and velocity of a moving source using the time differences of arrival (TDOAs) and frequency…”
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An Asymptotically Efficient Estimator for TDOA and FDOA Positioning of Multiple Disjoint Sources in the Presence of Sensor Location Uncertainties by Ming Sun, Ho, K C

“…This correspondence considers the problem of locating multiple disjoint sources using time differences of arrival (TDOAs) and frequency differences of arrival…”
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TDOA Source Localization in the Presence of Synchronization Clock Bias and Sensor Position Errors by Yue Wang, Ho, K. C.

“…TDOA positioning requires the sensors to be synchronized when sampling the signals to locate an emitting source. It also demands the sensor positions to be…”
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Algebraic Solution for Joint Localization and Synchronization of Multiple Sensor Nodes in the Presence of Beacon Uncertainties by Liyang Rui, Ho, K. C.

“…This paper addresses the problem of joint localization and synchronization of multiple sensor nodes simultaneously using the time stamp information from…”
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Bias Reduced Semidefinite Relaxation Method for 3-D Rigid Body Localization Using AOA by Wang, Gang, Ho, Dominic K. C., Chen, Xianjing

“…This paper addresses the angle-of-arrival (AOA) based rigid body localization problem, where the position and orientation of the rigid body are estimated…”
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The cultivation of research labor in Pacific Asia with special reference to Singapore by Ge, Yun, Ho, K. C.

“…This paper adopts a political economy perspective in understanding how the country context frames the development of higher education doctoral science,…”
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Latitudinal variation in top-down and bottom-up control of a salt marsh food web by Marczak, L. B., Ho, C.-K., Więski, K., Vu, H., Denno, R. F., Pennings, S. C.

“…The shrub Iva frutescens , which occupies the terrestrial border of U.S. Atlantic Coast salt marshes, supports a food web that varies strongly across latitude…”
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Challenges for doctoral education in East Asia: a global and comparative perspective by Shin, J. C., Postiglione, Gerard A., Ho, K. C.

“…East Asian higher education is experiencing a massive growth in doctoral education with the world-class university initiatives. The growth of doctoral…”
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