期刊
IEEE WIRELESS COMMUNICATIONS LETTERS
卷 9, 期 2, 页码 215-218出版社
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/LWC.2019.2948860
关键词
Task analysis; Delays; Processor scheduling; Wireless communication; Radio access networks; Complexity theory; Fog radio access network; parallel communication and computation; task offloading; task scheduling
资金
- Natural Science Foundation of China [61725103, 91638202]
- Shaanxi Innovation Group [2017KCT-30-03]
- Key Industry Innovation Chain of Shaanxi [2017ZDCXL-GY-04-04]
- National ST Major Project [2018ZX03001014-004]
Due to the parallel computing at tiered computing nodes, fog radio access network (RAN) can facilitate computation offloading. Apart from the parallel computing, communication and computation operations can be conducted simultaneously at tiered computing nodes. In this regard, both the set and the order of tasks operated at each computing node have a significant impact on the task execution delay. Hence, we jointly optimize task offloading and scheduling to minimize the average task execution delay in fog RAN, followed by an effective recursive algorithm. Through application extensions and numerical evaluations, the proposed algorithm is verified with scalability and efficacy.
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