Joint Subcarrier and Phase Shifts Optimization for RIS-aided Localization-Communication System
Luan, M., Wang, B., Chang, Z., Hämäläinen, T., Ling, Z., & Hu, F. (2022). Joint Subcarrier and Phase Shifts Optimization for RIS-aided Localization-Communication System. In Proceedings of the 2022 IEEE 95th Vehicular Technology Conference (VTC2022-Spring). IEEE. IEEE Vehicular Technology Conference. https://doi.org/10.1109/VTC2022-Spring54318.2022.9860587
Julkaistu sarjassa
IEEE Vehicular Technology ConferencePäivämäärä
2022Oppiaine
Secure Communications Engineering and Signal ProcessingTekniikkaTietotekniikkaSecure Communications Engineering and Signal ProcessingEngineeringMathematical Information TechnologyTekijänoikeudet
© 2022, IEEE
Joint localization and communication systems have drawn significant attention due to their high resource utilization. In this paper, we consider a reconfigurable intelligent surface (RIS)-aided simultaneously localization and communication system. We first determine the sum squared position error bound (SPEB) as the localization accuracy metric for the presented localization-communication system. Then, a joint RIS discrete phase shifts design and subcarrier assignment problem is formulated to minimize the SPEB while guaranteeing each user’s achievable data rate requirement. For the presented non-convex mixed-integer problem, we propose an iterative algorithm to obtain a suboptimal solution by utilizing the Lagrange duality as well as penalty-based optimization methods. Simulation results are provided to validate the performance of the proposed algorithm.
Julkaisija
IEEEEmojulkaisun ISBN
978-1-6654-8244-8Konferenssi
Kuuluu julkaisuun
Proceedings of the 2022 IEEE 95th Vehicular Technology Conference (VTC2022-Spring)ISSN Hae Julkaisufoorumista
1090-3038Asiasanat
location awareness measurement vehicular and wireless technologies communication systems system performance simulation reconfigurable intelligent surfaces joint localization and communication, subcarrier assignment RIS phase shifts design langaton tekniikka tietojärjestelmät langaton tiedonsiirto paikannus simulointi suorituskyky viestintätekniikka sijainti
Julkaisu tutkimustietojärjestelmässä
https://converis.jyu.fi/converis/portal/detail/Publication/155923439
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This work was supported by the National Natural Science Foundation of China under Grant No. 61771217, in part by the Funds for International Cooperation and Exchange of the National Natural Science Foundation of China under Grant No. 62111530072, and in part by the Chinese Scholarship Council (CSC).Lisenssi
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