[5] [5] SHI Weisong, CAO Jie, ZHANG Quan, et al. Edge computing: vision and challenges[J]. IEEE Internet of Things Journal, 2016, 3(5): 637-646. doi: 10.1109/JIOT.2016.2579198.

[9] [9] ZHOU Zhi, CHEN Xu, LI En, et al. Edge intelligence: paving the last mile of artificial intelligence with edge computing[J]Institute of Electrical and Electronic Engineers, 2019, 107(8): 1738-1762. doi: 10.1109/JPROC.2019.2918951.

[10] [10] CHEN Jiasi, RAN Xukan. Deep learning with edge computing: a review[J]. Institute of Electrical and Electronic Engineers, 2019, 107(8): 1655-1674. doi: 10.1109/JPROC.2019.2921977.

[11] [11] KUSHNER H J, YIN G G. Stochastic approximation and recursive algorithms and applications[M]. New York, USA: Springer, 2003. doi: 10.1007/978-1-4899-2696-8.

[13] [13] BERENGUER I, WANG X D, KRISHNAMURTHY V. Adaptive MIMO antenna selection via discrete stochastic optimization[J]. IEEE Transactions on Signal Processing, 2005, 53(11): 4315-4329. doi: 10.1109/TSP.2005.857056.

[14] [14] KRISHNAMURTHY V, WANG X D, YIN G. Spreading code optimization and adaptation in CDMA via discrete stochastic approximation[J]. IEEE Transactions on Information Theory, 2004, 50(9): 1927-1949. doi: 10.1109/TIT.2004.833338.