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UAV-Assisted Data Rate Maximization Under 3-D Channel Model | IEEE Conference Publication | IEEE Xplore

UAV-Assisted Data Rate Maximization Under 3-D Channel Model


Abstract:

This paper investigates a UAV-enabled wireless downlink system, where a UAV-enabled base station flies above a group of Internet of things devices (IoTDs) and transmits d...Show More

Abstract:

This paper investigates a UAV-enabled wireless downlink system, where a UAV-enabled base station flies above a group of Internet of things devices (IoTDs) and transmits data to them. In order to ensure the fairness among all IoTDs, we jointly optimize scheduling association and UAV trajectory to maximize the minimal throughput of all IoTDs under the 3dimensional (3-D) channel model. Meanwhile, to ensure the stability of communication, we aim to guarantee a high probability of line-of-sight (LoS) links between the UAV and all IoTDs. The optimization problem is non-convex and we propose an iterative algorithm based on the block coordinate descent and successive convex approximation to solve it. Furthermore, we show the convergence of the algorithm through simulations. It is shown that the proposed algorithm achieves higher data rate than the traditional scheme without guaranteeing the LoS probability.
Date of Conference: 25-28 April 2021
Date Added to IEEE Xplore: 15 June 2021
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Conference Location: Helsinki, Finland

References

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