Mathematical Problems in Engineering has retracted the article titled “Signal Parameters Estimation and Optimization Using Mobile Navigation Data” [1], due to concerns that the submitting author, Luxi Dong, did not obtain permission from the coauthors prior to the submission and publication of the article. Luxi Dong has clarified that they did not make a significant contribution to the study and the study was completed by Jiyuan Tan and the other coauthors. All listed authors agree to the retraction of this article for the above reasons.