@article {30225,
	title = {6G Service-Oriented Space-Air-Ground Integrated Network: A Survey},
	journal = {Chinese Journal of Aeronautics},
	volume = {35},
	year = {2022},
	pages = {1-18},
	url = {https://reader.elsevier.com/reader/sd/pii/S1000936121004738?token=4F609F9146C578E984B9E66370F785E5D047A7E8493DF39123C0F4AA848C1D85D4149EB3787F45C0A23FC9C3FA329526\&originRegion=us-east-1\&originCreation=20220108175010},
	author = {Nan Cheng and Jingchao He and Zhisheng Yin and Conghao Zhou and Huaqing Wu and Feng Lyu and Haibo Zhou and Xuemin (Sherman) Shen}
}
