Shandong University

Ying Xu

Jinjie Sun

Kun Wang

Guangxu Zhang

Yuqing Feng

Tengfei Zhang

Zhikun Li

Hongzhan Zhou

Zhihao Zheng

The present disclosure relates to the technical field of dense urban area positioning, and specifically discloses a GNSS and RSSI integrated positioning method considering MAC addresses. The method includes the following steps: arranging transmitting nodes and classifying MAC addresses of the transmitting nodes, collecting RSSI raw data; receiving RSSI data and MAC address data by the receiving nodes, and selecting one of the trilateration, two-point positioning, and proximity positioning for positioning based on the MAC address category; collecting GNSS data by the receiving nodes, and uses a differential positioning model to obtain GNSS positioning results; performing weighted fusion of GNSS and RSSI positioning results to ensure positioning accuracy in dense urban areas.

GNSS and RSSI integrated positioning method considering mac address

The present disclosure relates to the field of GNSS and INS integrated navigation technology, and specifically discloses a GNSS and INS integrated navigation positioning method and a system thereof. To addresses the technical problem of positioning error divergence in integrated navigation systems caused by insufficient satellite visibility or strong multipath effects in GNSS denial environments, a method combining motion constraint algorithm and neural network algorithm is proposed for robustness by the present disclosure. The motion constraint algorithm is very stable, but it cannot self-adaptively adjust the constraint threshold based on the vehicle motion state. The neural network algorithm has strong flexibility, but the obtained predicted values inevitably have outliers. The present disclosure combines motion constraints with the neural network algorithms, enabling these two algorithms to complement advantages of each other, thereby effectively improving the positioning accuracy and reliability of the integrated navigation system after GNSS losing lock.

GNSS and INS integrated navigation positioning method and system thereof

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Qingdao, China

Ying Xu