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2024

2023

Integrating AOA With TDOA for Joint Source and Sensor LocalizationK. C. Ho 0001, Trung-Kien Le. tsp, 71:2087-2102, 2023. [doi]

Elliptic Localization of a Moving Object by Transmitter at Unknown Position and Velocity: A Semidefinite Relaxation ApproachGang Wang 0007, Ruichao Zheng, K. C. Ho 0001. tmc, 22(5):2675-2692, May 2023. [doi]

Bias Reduced Semidefinite Relaxation Method for 3-D Moving Object Localization Using AOAGang Wang 0007, Peng Xiang, K. C. Ho 0001. TWC, 22(11):7377-7392, November 2023. [doi]

Localization of Transmitters and Scatterers by Single ReceiverYang Zhang 0044, K. C. Ho 0001. tsp, 71:2267-2282, 2023. [doi]

Robust Ellipse Fitting Based on Maximum Correntropy Criterion With Variable CenterWei Wang 0106, Gang Wang 0007, Chenlong Hu, K. C. Ho 0001. TIP, 32:2520-2535, 2023. [doi]

Objective Bayesian Approach for Binary Hypothesis Testing of Multivariate Gaussian ObservationsMohannad H. Al-Ali, K. C. Ho 0001. TIT, 69(2):1337-1354, February 2023. [doi]

Mitigating Sensor Motion Effect for AOA and AOA-TOA Localizations in Underwater EnvironmentsTianyi Jia, Hongwei Liu 0001, K. C. Ho 0001, Haiyan Wang 0002. TWC, 22(9):6124-6139, September 2023. [doi]

Source Localization by Frequency Measurements in Unknown Signal Propagation Speed EnvironmentsDanyan Lin, Gang Wang 0007, K. C. Ho 0001. taes, 59(4):3953-3970, August 2023. [doi]

Bias Reduced Semidefinite Relaxation Method for Multistatic Localization in the Absence of Transmitter Position And Its SynchronizationJian Pei, Gang Wang 0007, K. C. Ho 0001, Lei Huang 0001. icassp 2023: 1-5 [doi]

An Asymptotically Optimal Estimator for Source Location and Propagation Speed by TDOAYimao Sun, K. C. Ho 0001, Yanbing Yang, Liangyin Chen. spl, 30:1037-1041, 2023. [doi]

Robust Iterative Solution for Linear Array-Based 3-D Localization by Message PassingYimao Sun, K. C. Ho 0001, Yanbing Yang, Lei Zhang, Liangyin Chen. icassp 2023: 1-5 [doi]

Robust localization under NLOS environment in the presence of isolated outliers by full-Set TDOA measurementsYuwei Wang, K. C. Ho 0001, Zhi Wang. sigpro, 212:109159, November 2023. [doi]

Robust TDOA localization based on maximum correntropy criterion with variable centerWei Wang, Gang Wang 0007, K. C. Ho 0001, Lei Huang 0001. sigpro, 205:108860, 2023. [doi]

Multistatic Localization by Differential Time Delays and Time Differences of Arrival in the Absence of Transmitter PositionWenjun Wu, Gang Wang 0007, K. C. Ho 0001. taes, 59(5):7020-7034, October 2023. [doi]

Elliptic Localization With Imperfect Clock Synchronization for Known and Unknown Propagation Speed ScenariosYudong Xiao, Gang Wang 0007, K. C. Ho 0001. taes, 59(2):1468-1481, April 2023. [doi]

2022

Localization Through Transceivers in Unknown Constant Velocity TrajectoriesK. C. Ho 0001. tsp, 70:3011-3028, 2022. [doi]

Localization by Signals of Opportunity in the Absence of Transmitter PositionYang Zhang 0044, K. C. Ho 0001. tsp, 70:4602-4617, 2022. [doi]

Optimal sensor placement for source tracking under synchronization offsets and sensor location errors with distance-dependent noisesYang Yang 0072, Jibin Zheng, Hongwei Liu 0001, K. C. Ho 0001, Yangquan Chen, Zhiwei Yang 0001. sigpro, 193:108399, 2022. [doi]

3-D Target Localization and Motion Analysis Based on Doppler Shifted FrequenciesMusaab M. Ahmed, K. C. Ho 0001, Gang Wang 0007. taes, 58(2):815-833, 2022. [doi]

Enhanced precoder for secondary user of MIMO cognitive radio in the presence of CSIT uncertainties in the desired and interference linksMohannad H. Al-Ali, K. C. Ho 0001. sigpro, 190:108294, 2022. [doi]

Localization Using Time-Delay and Doppler Shift by Moving Monostatic SensorsTianyi Jia, Haiyan Wang, Gang Wang 0007, K. C. Ho 0001. taes, 58(3):2560-2567, 2022. [doi]

Computationally Attractive and Location Robust Estimator for IoT Device PositioningYimao Sun, K. C. Ho 0001, Gang Wang 0007, Hongyang Chen, Yanbing Yang, Liangyin Chen, Qun Wan. iotj, 9(13):10891-10907, 2022. [doi]

Three Dimensional Source Localization Using Arrival Angles from Linear Arrays: Analytical Investigation and Optimal SolutionYimao Sun, K. C. Ho 0001, Lin Gao 0003, Jifeng Zou, Yanbing Yang, Liangyin Chen. tsp, 70:1864-1879, 2022. [doi]

Computationally attractive and statistically efficient estimator for noise resilient TOA localizationYimao Sun, K. C. Ho 0001, Yanbing Yang, Lei Zhang, Liangyin Chen. sigpro, 200:108663, 2022. [doi]

Exact Solution for Elliptic Localization With Imperfect Clock SynchronizationYudong Xiao, Gang Wang, K. C. Ho 0001. ieeesam 2022: 96-100 [doi]

Semidefinite Relaxation Method for Moving Object Localization Using a Stationary Transmitter at Unknown PositionRuichao Zheng, Gang Wang 0007, K. C. Ho 0001, Lei Huang 0001. icassp 2022: 5128-5132 [doi]

2021

Bias Reduced Semidefinite Relaxation Method for 3-D Rigid Body Localization Using AOAGang Wang 0007, K. C. Ho 0001, Xianjing Chen. tsp, 69:3415-3430, 2021. [doi]

Multistatic Localization in Partially Dynamic Scenario With Only Sensor Positions AvailableYang Zhang 0044, K. C. Ho 0001. taes, 57(5):3416-3432, 2021. [doi]

Semidefinite relaxation method for unified near-Field and far-Field localization by AOAXianjing Chen, Gang Wang 0007, K. C. Ho 0001. sigpro, 181:107916, 2021. [doi]

Robust Ellipse Fitting With Laplacian Kernel Based Maximum Correntropy CriterionChenlong Hu, Gang Wang 0007, K. C. Ho 0001, Junli Liang. TIP, 30:3127-3141, 2021. [doi]

Non-Invasive Heart Rate Estimation From Ballistocardiograms Using Bidirectional LSTM RegressionChangzhe Jiao, Chao Chen, Shuiping Gou, Dong Hai, Bo Yu Su, Marjorie Skubic, Licheng Jiao, Alina Zare, K. C. Ho 0001. titb, 25(9):3396-3407, 2021. [doi]

Room Geometry Estimation Using the Multipath DelaysYue Wang, K. C. Ho 0001, Lei Huang 0001. spl, 28:1380-1384, 2021. [doi]

Noise resilient solution and its analysis for multistatic localization using differential arrival timesShuli Yang, Gang Wang 0007, K. C. Ho 0001. sigpro, 188:108237, 2021. [doi]

Accurate Semidefinite Relaxation Method for Elliptic Localization With Unknown Transmitter PositionRuichao Zheng, Gang Wang 0007, K. C. Ho 0001. TWC, 20(4):2746-2760, 2021. [doi]

2020

Accurate Semidefinite Relaxation Method for 3-D Rigid Body Localization Using AOAGang Wang 0007, K. C. Ho 0001. icassp 2020: 4955-4959 [doi]

An Investigation and Solution of Angle Based Rigid Body LocalizationYue Wang 0022, Gang Wang, Shanjie Chen, K. C. Ho 0001, Lei Huang. tsp, 68:5457-5472, 2020. [doi]

Multistatic Moving Object Localization by a Moving Transmitter of Unknown Location and OffsetYang Zhang 0044, K. C. Ho 0001. tsp, 68:4438-4453, 2020. [doi]

Localization of a Moving Source by Frequency MeasurementsMusaab M. Ahmed, K. C. Ho 0001, Gang Wang 0007. tsp, 68:4839-4854, 2020. [doi]

Objective Bayesian Detection Under Spatially Correlated Gaussian Observations for Multi-Antenna Cognitive Radio NetworkMohannad H. Al-Ali, K. C. Ho 0001. icassp 2020: 5205-5209 [doi]

Elliptic and hyperbolic localizations using minimum measurement solutionsSanaa S. A. Al-Samahi, Yang Zhang, K. C. Ho 0001. sigpro, 167, 2020. [doi]

Corrigendum to "Elliptic and hyperbolic localizations using minimum measurement solutions" [Signal Processing, 167 (2020) Article 107273]Sanaa S. A. Al-Samahi, Yang Zhang, K. C. Ho 0001. sigpro, 168, 2020. [doi]

Accurate Localization of AUV in Motion by Explicit Solution Using Time DelaysTianyi Jia, K. C. Ho 0001, Haiyan Wang, Xiaohong Shen. icassp 2020: 4871-4875 [doi]

Localization of a Moving Object With Sensors in Motion by Time Delays and Doppler ShiftsTianyi Jia, K. C. Ho 0001, Haiyan Wang, Xiaohong Shen. tsp, 68:5824-5841, 2020. [doi]

Joint Source and Sensor Localization by Angles of ArrivalTrung-Kien Le, K. C. Ho 0001. tsp, 68:6521-6534, 2020. [doi]

Algebraic Complete Solution for Joint Source and Sensor Localization Using Time of Flight MeasurementsTrung-Kien Le, K. C. Ho 0001. tsp, 68:1853-1869, 2020. [doi]

Eigenspace Solution for AOA Localization in Modified Polar RepresentationYimao Sun, K. C. Ho 0001, Qun Wan. tsp, 68:2256-2271, 2020. [doi]

2019

Convex Relaxation Methods for Unified Near-Field and Far-Field TDOA-Based LocalizationGang Wang 0007, K. C. Ho 0001. TWC, 18(4):2346-2360, 2019. [doi]

Robust ToA-Based Localization in a Mixed LOS/NLOS Environment Using Hybrid Mapping TechniqueSanaa S. A. Al-Samahi, K. C. Ho 0001, N. E. Islam. eusipco 2019: 1-5 [doi]

Improving Elliptic/Hyperbolic Localization Under Multipath Environment Using Neural Network for Outlier DetectionSanaa S. A. Al-Samahi, K. C. Ho 0001, N. E. Islam. infocom 2019: 933-938 [doi]

Range-Based Rigid Body Localization With a Calibration Emitter for Mitigating Anchor Position UncertaintiesBenjian Hao, K. C. Ho 0001, Zan Li. TWC, 18(12):5734-5748, 2019. [doi]

Effect of Sensor Motion on Time Delay and Doppler Shift Localization: Analysis and SolutionTianyi Jia, K. C. Ho 0001, Haiyan Wang, Xiaohong Shen. tsp, 67(22):5881-5895, 2019. [doi]

Sensor Network-Based Rigid Body Localization via Semi-Definite Relaxation Using Arrival Time and Doppler MeasurementsJian Jiang, Gang Wang 0007, K. C. Ho 0001. TWC, 18(2):1011-1025, 2019. [doi]

Uncovering Source Ranges From Range Differences Observed by Sensors at Unknown Positions: Fundamental TheoryTrung-Kien Le, K. C. Ho 0001. tsp, 67(10):2665-2678, 2019. [doi]

A Large-Scale Multi-Institutional Evaluation of Advanced Discrimination Algorithms for Buried Threat Detection in Ground Penetrating RadarJordan M. Malof, Daniël Reichman, Andrew Karem, Hichem Frigui, K. C. Ho 0001, Joseph N. Wilson, Wen-Hsiung Lee, William Cummings, Leslie M. Collins. tgrs, 57(9):6929-6945, 2019. [doi]

Monitoring the Relative Blood Pressure Using a Hydraulic Bed Sensor SystemBo Yu Su, Moein Enayati, K. C. Ho 0001, Marjorie Skubic, Laurel Despins, James M. Keller, Mihail Popescu, Giovanna Guidoboni, Marilyn Rantz. tbe, 66(3):740-748, 2019. [doi]

Solution and Analysis of TDOA Localization of a Near or Distant Source in Closed FormYimao Sun, K. C. Ho 0001, Qun Wan. tsp, 67(2):320-335, 2019. [doi]

Algebraic Solution for Tdoa Localization in Modified Polar RepresentationYimao Sun, K. C. Ho 0001, Qun Wan. icassp 2019: 4380-4384 [doi]

Multistatic Localization in the Absence of Transmitter PositionYang Zhang, K. C. Ho 0001. tsp, 67(18):4745-4760, 2019. [doi]

2018

A Unified Estimator for Source Positioning and DOA Estimation Using AOAYue Wang 0022, K. C. Ho 0001, Gang Wang 0007. icassp 2018: 3201-3205 [doi]

Improving TOA Localization Through Outlier Detection Using Intersection of Lines of PositionSanaa S. A. Al-Samahi, K. C. Ho 0001, Naz Islam. icdsp 2018: 1-5 [doi]

Performance of Square-Range Least Squares and Square-Range Least Absolute Deviations for the Self-Localization of Sensor Nodes Using Convex RelaxationsShanjie Chen, K. C. Ho 0001. icdsp 2018: 1-5 [doi]

Accurate Rigid Body Localization via Semidefinite Relaxation Using Range MeasurementsJian Jiang, Gang Wang 0007, K. C. Ho 0001. spl, 25(3):378-382, 2018. [doi]

Multiple Instance Dictionary Learning for Beat-to-Beat Heart Rate Monitoring From BallistocardiogramsChangzhe Jiao, Bo Yu Su, Princess Lyons, Alina Zare, K. C. Ho 0001, Marjorie Skubic. tbe, 65(11):2634-2648, 2018. [doi]

Rank Properties for Matrices Constructed From Time Differences of ArrivalTrung-Kien Le, K. C. Ho 0001, Trung-Hieu Le. tsp, 66(13):3491-3503, 2018. [doi]

Complexity-Reduced Solution for TDOA Source Localization in Large Equal Radius Scenario with Sensor Position ErrorsXi Li, Fucheng Guo, Le Yang 0001, K. C. Ho 0001. eusipco 2018: 361-365 [doi]

Radar placement for fall detection: Signature and performanceBo Yu Su, K. C. Ho 0001, Marilyn Rantz, Marjorie Skubic. jaise, 10(1):21-34, 2018. [doi]

2014

A Theoretical study on the placement of microphone arrays for improving the localization accuracy of a fallYun Li, K. C. Ho 0001, Mihail Popescu, Marjorie Skubic. embc 2014: 4523-4526 [doi]

2012

Improving automatic sound-based fall detection using iVAT clustering and GA-based feature selectionYun Li, Mihail Popescu, K. C. Ho 0001. embc 2012: 5867-5870 [doi]

Doppler radar sensor positioning in a fall detection systemLiang Liu, Mihail Popescu, K. C. Ho 0001, Marjorie Skubic, Marilyn Rantz. embc 2012: 256-259 [doi]

2011

Improving acoustic fall recognition by adaptive signal windowingYun Li, Mihail Popescu, K. C. Ho 0001, Daniel P. Nabelek. embc 2011: 7589-7592 [doi]

1993

A novel constrained algorithm for delay estimation in the presence of multipath transmissionsHing-Cheung So, P. C. Ching, K. C. Ho 0001, Yiu-Tong Chan. icassp 1993: 313-316 [doi]

1991

Adaptive time delay estimation in noisy environmentsK. C. Ho 0001, P. C. Ching, Yiu-Tong Chan. icassp 1991: 1461-1464 [doi]

1990

Convergence speed up in adaptive time delay estimationK. C. Ho 0001, P. C. Ching, Yiu-Tong Chan. icassp 1990: 1417-1420 [doi]

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