State Estimation and Localization Based on Sensor Fusion for Autonomous Robots in Indoor Environment
Round 1
Reviewer 1 Report
The manuscript has significantly improved. However, it is still necessary an English review. Besides, the paper should present qualitative results or a video showing its implementation. The last section should contain ideias for future works.
Author Response
Point 1: It is still necessary an English review.
Response 1: We will submit our paper to English language editing arranged by MDPI.
Point 2: The paper should present qualitative results or a video showing its implementation.
Response 2: My study period is over and I will leave our university next week to go back home. In addition, actually the robot is moved to another province for a new project. You can find in "Section 3. Comparison Analysis and Statistical Evaluation of the Results" in the manuscript, the comparative studies to some related works and the presentation of the obtained results of our research.
Point 3: The last section should contain ideas for future works.

Response 3: According to the template, we had put our future works at the end of the "Section 3. Comparison Analysis and Statistical Evaluation of the Results" in the manuscript, so now we moved them at the end of the last section (in Conclusion).
Reviewer 2 Report
As the authors followed the reviewer's comments, the article is proper for publication.
Author Response
Thank you so much dear Reviewer, we had sincerely appreciate your comments and suggestions. They helped us to improve the quality of our manuscript.
