Journal
IEEE COMMUNICATIONS LETTERS
Volume 23, Issue 12, Pages 2357-2361Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/LCOMM.2019.2943461
Keywords
Task analysis; Energy consumption; Resource management; Servers; Trajectory optimization; Fairness; mobile edge computing; task data allocation; trajectory optimization
Categories
Funding
- National Natural Science Foundation of China [61801505]
- Jiangsu Provincial Nature Science Foundation of China [BK20170755]
- National Postdoctoral Program for Innovative Talents of China [BX201700109]
- Research Grant of University of Macau [SRG2019-00168-IOTSC]
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This letter investigates fairness-aware task data allocation and trajectory optimization in unmanned aerial vehicles (UAV)-assisted mobile edge computing (MEC) systems, where a fixed-wing UAV is used as a flying computing server to receive task data of mobile terminals (MTs). Under the fairness consideration, we aim to minimize the maximum energy consumption among all MTs. Despite the non-convexity of the original formulated joint optimization problem, we transform the problem into two convex sub-problems by introducing auxiliary variables, and solve them jointly by proposing an iterative algorithm. Simulation results show that the proposed algorithm can effectively reduce the maximum energy consumption among all MTs.
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