本章参考文献

[1]　IMT-2030（6G）推进组. 6G总体愿景与潜在关键技术白皮书[R]. 2021.

[2]　中国移动, 沃达丰（Vodafone），美国无线运营商（US Cellular），等. 6G应用场景与分析白皮书[R]. 2021.

[3]　3GPP. Study on self evaluation towards IMT-2020: TR 37.910[S].2020.

[4]　3GPP. Study on NR positioning enhancements: TR 38.857[S].2021.

[5]　LIU F, PITILAKIS A, MIRMOOSA M S, et al. Programmable metasurfaces: state of the art and prospects[C]. 2018 IEEE Interntional Symposium. on Circuits and Systems（ISCAS）, 2018: 18242934. DOI:10.1109/ISCAS.2018.8351817.

[6]　CUI T J, QI M Q, WAN X, et al. Coding metamaterials, digital metamaterials and programmable metamaterials[J]. Light-Science & Applications, 2014, 3（10）: e218.

[7]　3GPP. Physical layer for relaying operation: TS 36.216[S].2015.

[8]　YUAN Y F. LTE-Advanced relay technology and standardization[M]. Springer, 2012. l5y4/9a+WHrZ20vvblNzYMzt9Zp3ee9vDIRT7Xi/NeLxPvWaSLj/KznD7inPbPKQ