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Heading estimation fusing inertial sensors and landmarks for indoor navigation using a smartphone in the pocket

Principal component analysis (PCA)-based approach for user heading estimation using a smartphone in the pocket suffers from an inaccurate estimation of device attitude, which plays a central role in both obtaining acceleration signals in the horizontal plane and the ultimate global walking direction extraction. To solve this problem, we propose a novel heading estimation approach...

Subcarrier allocation based simultaneous wireless information and power transfer for multiuser OFDM systems

approved the final manuscript. Authors’ information 1 Zhenyu Na and Xiaotong Li are from the School of Information Science and Technology of Dalian Maritime University (DMU), Dalian, China. Zhenyu Na is the