1. 3GPP TS 38.201‐36.215(2017).3GPPP Technical Specification Group Radio Access Networks; NR; Physical Layers; Release 15 December 2017.
2. 3GPP TS23.501‐503(2018).System Architecture: Procedures: Policy and Charging Control Framework for the 5G System V15.3.0 2018‐09.
3. Kekki S. Featherstone W. Fang Y.et al. (2018).MEC in 5G networks.http://www.etsi.orgimages/files/ETSIWhitePapers/etsi_wp28_mec_in_5G_FINAL.pdf.
4. Sachs J. Andersson L. Araújo J.et al. (2018).Adaptive 5G low‐latency communication for tactile Internet services.Proceedings of the IEEE(October 2018).