BDMA-Based Downlink Beamforming Design to Minimize Multi-UAV Power Consumption 


Vol. 45,  No. 6, pp. 1122-1128, Jun.  2020
10.7840/kics.2020.45.6.1122


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  Abstract

In this study, a beam-division multiple-access (BDMA) based UAV relay is considered. The BDMA-based relay UAV transmits signals to multiuser UAVs. Using virtual uplink and Lagrangian dualities, a beamforming vector that minimizes power consumption and sustains quality-of-service (QoS) is designed. Numerical results verify that the designed beamforming achieves the minimum required power consumption irrespective of the QoS threshold for the optimum beamforming performance, compared to a zero-forcing (ZF) beamforming scheme. Furthermore, the numerical results for the minimum required power consumption in terms of the number of antennas at a relay UAV and the position of the user UAVs provide the direction of future work.

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  Cite this article

[IEEE Style]

H. Kang, J. Joung, J. Kang, "BDMA-Based Downlink Beamforming Design to Minimize Multi-UAV Power Consumption," The Journal of Korean Institute of Communications and Information Sciences, vol. 45, no. 6, pp. 1122-1128, 2020. DOI: 10.7840/kics.2020.45.6.1122.

[ACM Style]

Honggu Kang, Jingon Joung, and Joonhyuk Kang. 2020. BDMA-Based Downlink Beamforming Design to Minimize Multi-UAV Power Consumption. The Journal of Korean Institute of Communications and Information Sciences, 45, 6, (2020), 1122-1128. DOI: 10.7840/kics.2020.45.6.1122.

[KICS Style]

Honggu Kang, Jingon Joung, Joonhyuk Kang, "BDMA-Based Downlink Beamforming Design to Minimize Multi-UAV Power Consumption," The Journal of Korean Institute of Communications and Information Sciences, vol. 45, no. 6, pp. 1122-1128, 6. 2020. (https://doi.org/10.7840/kics.2020.45.6.1122)

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pISSN : 1226 - 4717
eISSN : 2287 - 3880