Range-based trilateration using multipurpose cost function optimization with Lagrangian multipliers. - Ali Khalajmehrabadi; David Akopian; Daniel J. Pack (PLANS, 2016)

Indoor WLAN localization using group sparsity optimization technique. - Ali Khalajmehrabadi; Nikolaos Gatsis; David Akopian (PLANS, 2016)

Introduction to WLAN-Based Indoor Positioning of Mobile Devices. - David Akopian; Ali Khalajmehrabadi; Nikolaos Gatsis (MOBMU, 2017)

Modern WLAN Fingerprinting Indoor Positioning Methods and Deployment Challenges. - Ali Khalajmehrabadi; Nikolaos Gatsis; David Akopian (IEEE Commun. Surv. Tutorials, 2017)

A Joint Indoor WLAN Localization and Outlier Detection Scheme Using LASSO and Elastic-Net Optimization Techniques. - Ali Khalajmehrabadi; Nikolaos Gatsis; Daniel J. Pack; David Akopian (IEEE Trans. Mob. Comput., 2017)

Structured Group Sparsity: A Novel Indoor WLAN Localization, Outlier Detection, and Radio Map Interpolation Scheme. - Ali Khalajmehrabadi; Nikolaos Gatsis; David Akopian (IEEE Trans. Veh. Technol., 2017)

Evaluation of the detection and mitigation of time synchronization attacks on the global positioning system. - Ali Khalajmehrabadi; Nikolaos Gatsis; David Akopian (PLANS, 2018)

Real-Time Rejection and Mitigation of Time Synchronization Attacks on the Global Positioning System. - Ali Khalajmehrabadi; Nikolaos Gatsis; David Akopian; Ahmad F. Taha (IEEE Trans. Ind. Electron., 2018)