Abstract
In the unmanned ship networking scenario, the position of the unmanned ship changes continuously, leading to the result that the desired transmitters and the interference transmitters may exchange identities at any time. The traditional interference alignment technique cannot solve the interference. To solve this problem, this paper proposes an adaptive interference alignment scheme based on the dynamic selection of the desired transmitters for the unmanned ship network. Firstly, according to the characteristics of the unmanned ship networking scene, a new measurement value the non-directional user signal to interference ratio W is proposed, and the desired user set and connection mode are selected through the calculation of W. Secondly, the corresponding interference alignment scheme is designed. The iterative interference alignment algorithm is used for non-directional users, while partial interference alignment algorithm is used for directional users, and the proof of algorithm convergence is given. Lastly, the scheme can dynamically select and update the desired user set and connection mode when the position of the unmanned ship changes, and the corresponding interference alignment scheme will also perform adaptive updates. Experimental results indicate that the scheme can select the optimal connection mode according to the current position of the unmanned ship and eliminate the interference caused by the undesired transmitter.
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The authors would like to thank the National Natural Science Foundation of China (No.61972417,61902431) and the Science Foundation of Shandong Province (No. ZR2020MF005).
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Li, S., Wang, M., Wang, X. et al. An adaptive interference alignment scheme based on the dynamic selection of desired transmitters for unmanned ship network. Wireless Netw 28, 2519–2531 (2022). https://doi.org/10.1007/s11276-022-02964-4
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DOI: https://doi.org/10.1007/s11276-022-02964-4