Data Rate Maximization in UAV-Assisted C-RAN

Xingquan Li, Cunhua Pan, Chiya Zhang*, Chunlong He, Kezhi Wang

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

Abstract

This letter considers the transmission design in unmanned aerial vehicle (UAV) assisted cloud radio access network (C-RAN). We aim to maximize data rate of the system by optimizing user equipment (UE) association, UAV placement, UEs' and UAVs' transmit power. We take UAVs as flying radio remote heads (RRHs) to serve UEs on the ground and maximize the sum rate of all the UEs. In order to solve this non-convex problem, we propose an iterative algorithm based on the successive convex approximation (SCA) and alternating iterative methods. The numerical results show that the proposed algorithm can effectively maximize the sum rate of UEs in the UAV assisted C-RAN system.

Original languageEnglish
Article number9165882
Pages (from-to)2163-2167
Number of pages5
JournalIEEE Wireless Communications Letters
Volume9
Issue number12
Early online date12 Aug 2020
DOIs
Publication statusPublished - Dec 2020

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