Table 2 Settings of the RIS and receiving antennas in the wireless communication experiments
From: A filtering reconfigurable intelligent surface for interference-free wireless communications
Cases | Coding sequences on the RIS | Theoretical beam direction | Receiving antenna direction |
|---|---|---|---|
1 | Air | – | 0° |
2 | PEC | – | All |
3 | 0000 | 0° | 0° |
4 | 0123 | 28° | 28° |
5 | 0123 | 28° | Any except 28° |
