Reconfigurable intelligent surface
The present disclosure provides a reconfigurable intelligent surface, including: a receiving unit which receives subarray division setting information sent from a base station; a reconfigurable panel; and a processing unit, which divides, based on the subarray division setting information, the reconfigurable panel into M subarrays, where M is a positive integer greater than 1, wherein, the subarray division setting information is determined based on a distance between a target device and the reconfigurable panel, N subarrays of the M subarrays serve one target device, and N is a positive integer greater than 1 and less than or equal to M.
1 . A reconfigurable intelligent surface, comprising:
a receiving unit which receives subarray division setting information sent from a base station;
a reconfigurable panel; and
a processing unit, which divides, based on the subarray division setting information, the reconfigurable panel into M subarrays, where M is a positive integer greater than 1,
wherein, the subarray division setting information is determined based on a distance between a target device and the reconfigurable panel,
N subarrays of the M subarrays serve one target device, and N is a positive integer greater than 1 and less than or equal to M,
wherein, each of the M subarrays corresponds to a specific beam respectively.
2 . The reconfigurable intelligent surface of claim 1 , wherein, the specific beam of each of the N subarrays in the M subarrays is converged on the one target device.
3 . The reconfigurable intelligent surface of claim 1 , wherein the specific beam of each of the N subarrays in the M subarrays is dispersed within a specific range relative to the one target device.
4 . The reconfigurable intelligent surface of claim 1 , wherein,
the M subarrays serve multiple target devices,
a number of subarrays serving each of the target devices is a positive integer, and the number of subarrays is greater than 1 and less than or equal to M.
5 . A reconfigurable intelligent surface, comprising:
a receiving unit configured to receive position information of a target device;
a reconfigurable panel; and
a processing unit configured to determine a first codebook based on a direction of the reconfigurable panel relative to the target device, and perform calculation on the first codebook based on a distance between the reconfigurable panel and the target device and a position of each subarray in M subarrays included in the reconfigurable panel to determine a second codebook,
wherein, the M is a positive integer greater than 1,
wherein, the reconfigurable intelligent surface determines a first beam of the each subarray through the first codebook.
6 . The reconfigurable intelligent surface of claim 5 , wherein
each of the subarrays comprises multiple array elements,
the second codebook comprises an array element deflection sub-codebook and a phase compensation sub-codebook,
the array element deflection sub-codebook performs deflection on each array element in the subarray respectively,
the phase compensation sub-codebook performs phase compensation on the subarray.
7 . The reconfigurable intelligent surface of claim 6 , wherein the reconfigurable intelligent surface performs the deflection and the phase compensation on the first beam through the second codebook.
8 . The reconfigurable intelligent surface of claim 5 , wherein the target device comprises at least one of a terminal and a base station.
9 . The reconfigurable intelligent surface of claim 5 , wherein the reconfigurable intelligent surface oversamples the first codebook and the second codebook.