Telecommunications Science ›› 2022, Vol. 38 ›› Issue (10): 20-35.doi: 10.11959/j.issn.1000-0801.2022278

• Topic: 6G Wireless Transmission Technology • Previous Articles     Next Articles

Overview of reconfigurable intelligent surface for new-generation mobile communication

Zilu GAO1, Shaohui SUN2,3, Li LI4   

  1. 1 Beihang University, Beijing 100083, China
    2 CICT Mobile Communications Technology Co., Ltd., Beijing 100083, China
    3 State Key Laboratory of Wireless Mobile Communications, China Academy of Telecommunications Technology (CATT), Beijing 100191, China
    4 China Academy of Telecommunications Technology (CATT), Beijing 100191, China
  • Revised:2022-10-10 Online:2022-10-20 Published:2022-10-01


Reconfigurable intelligent surface technology, which features low cost, low energy consumption and easy deployment, is the potential key technology of 6G.By intelligently regulating electromagnetic waves in space, RIS can assist in building an intelligent and controllable wireless electromagnetic environment, thus providing a new paradigm for the development of mobile communications.Firstly, the basic principle, main technology advantages and application scenarios were analyzed.Then, the key technologies such as channel estimation and beamforming in RIS aided communication transmission were discussed, and relevant research suggestions were given.Finally, the main challenges of RIS technology in practical application were analyzed from the aspects of hardware implementation, algorithm design and network deployment.

Key words: reconfigurable intelligent surface, 6G, channel estimation, beamforming, network deployment

CLC Number: 

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