Transmission control method, device and reconfigure intelligent surface

1 . A transmission control method, performed by a reconfigure intelligent surface (RIS) comprising a plurality of RIS atoms and a plurality of connectors, wherein each connector of the plurality of connectors is configured to control a connection state of the plurality of RIS atoms around the connector;

the method comprises:

determining a setting parameter of a RIS unit;

determining the connection state of the plurality of RIS atoms around the connector according to the setting parameter, and determining the RIS unit according to the connection state;

wherein at least one of the plurality of RIS atoms constitutes one RIS unit, the setting parameter comprises a center distance between multiple RIS units.

2 . The method according to claim 1 , wherein prior to the determining the setting parameter of the RIS unit, the method further comprises:

obtaining target information;

wherein the target information comprises at least one of:

Channel State information (CSI);

transmitting end location information;

receiving end location information;

RIS location information;

RIS area information;

RIS power consumption information.

3 . The method according to claim 1 , wherein the determining the setting parameter of the RIS unit comprises:

determining the setting parameter of the RIS unit according to a first angle, a second angle, a third angle and a fourth angle;

the first angle is a lifting angle from a RIS center to a transmitting end, the second angle is a horizontal angle from the RIS center to the transmitting end, the third angle is a lifting angle from the RIS center to a receiving end, and the fourth angle is a horizontal angle from the RIS center to the receiving end.

4 . The method according to claim 3 , wherein the center distance between multiple RIS units comprises at least one of:

the center distance between two adjacent RIS units in a RIS first direction;

the center distance between two adjacent RIS units in a RIS second direction;

the determining the setting parameter of the RIS unit according to the first angle, the second angle, the third angle and the fourth angle comprises:

calculating a first parameter δ 1 through a formula δ 1 =sin θ t cos φ t +sin θ r cos ϕ r ;

calculating a second parameter δ 2 through a formula δ 2 =sin θ t sin φ t +sin θ r sin ϕ r ;

determining d x and/or d y based on a RIS setting parameter table, wherein d x satisfies a formula Kd x =λ/δ 1 , d y satisfies a formula Kd y =λ/δ 2 ;

wherein θ t is the first angle, φ t is the second angle, θ r is the third angle, φ r is the fourth angle, d x is the center distance between two adjacent RIS units in the RIS first direction, d y is the center distance between two adjacent RIS units in the RIS second direction, λ is a wavelength, and K is a number of phase shifts.

5 . The method according to claim 1 , wherein subsequent to the determining the setting parameter of the RIS unit, the method further comprises:

determining a reflection parameter of each RIS unit, according to RIS area information, RIS power consumption information and the setting parameter of each RIS unit.

6 . The method according to claim 5 , wherein the reflection parameter comprises a reflection amplitude;

the determining the reflection parameter of each RIS unit according to the RIS area information, the RIS power consumption information and the setting parameter of each RIS unit comprises:

calculating a reflection amplitude A of each RIS unit through a formula

A

=

P

*

d

x

*

d

y

S

;

wherein P is a power consumption of RIS, S is an area of RIS, d x is the center distance between two adjacent RIS units in the RIS first direction, d y is the center distance between two adjacent RIS units in the RIS second direction.

7 . The method according to claim 1 , wherein the determining the connection state of the plurality of RIS atoms around the connector and determining the RIS unit according to the connection state comprises:

configuring the RIS as the plurality of RIS units satisfying the setting parameter, through the plurality of connectors;

wherein each of the plurality of connectors is configured to perform at least one of:

controlling the plurality of RIS atoms around the connector to be unconnected;

controlling a part of the plurality of RIS atoms around the connector to be connected;

controlling the plurality of RIS atoms around the connector to be connected.

8 . A reconfigure intelligent surface, for performing the transmission control method according to claim 1 , wherein the reconfigure intelligent surface comprises a plurality of RIS atoms and a plurality of connectors,

wherein each connector of the plurality of connectors is configured to control a connection state of the plurality of RIS atoms around the connector;

at least one of the plurality of RIS atoms constitutes one RIS unit.

9 . The reconfigure intelligent surface according to claim 8 , wherein the connector is configured to perform at least one of:

controlling the plurality of RIS atoms around the connector to be unconnected;

controlling a part of the plurality of RIS atoms around the connector to be connected;

controlling the plurality of RIS atoms around the connector to be connected.

10 . A transmission control device, comprising: a memory, a transceiver, a processor;

where the memory is configured to store program instructions, the transceiver is configured to send and receive data under a control of the processor, and the processor is configured to read the program instructions in the memory to perform:

determining a setting parameter of a reconfigure intelligent surface (RIS) unit;

determining a connection state of a plurality of RIS atoms around a connector according to the setting parameter, and determining the RIS unit according to the connection state;

wherein at least one of the plurality of RIS atoms constitutes one RIS unit, the setting parameter comprises a center distance between multiple RIS units.

11 . The transmission control device according to claim 10 , wherein prior to the determining the setting parameter of the RIS unit, the processor is configured to read the program instructions in the memory to perform:

obtaining target information;

wherein the target information comprises at least one of:

Channel State information (CSI);

transmitting end location information;

receiving end location information;

RIS location information;

RIS area information;

RIS power consumption information.

12 . The transmission control device according to claim 10 , wherein the processor is configured to read the program instructions in the memory to perform:

determining the setting parameter of the RIS unit according to a first angle, a second angle, a third angle and a fourth angle;

the first angle is a lifting angle from a RIS center to a transmitting end, the second angle is a horizontal angle from the RIS center to the transmitting end, the third angle is a lifting angle from the RIS center to a receiving end, and the fourth angle is a horizontal angle from the RIS center to the receiving end.

13 . The transmission control device according to claim 12 , wherein the center distance between multiple RIS units comprises at least one of:

the center distance between two adjacent RIS units in a RIS first direction;

the center distance between two adjacent RIS units in a RIS second direction;

the processor is configured to read the program instructions in the memory to perform:

calculating a first parameter δ 1 through a formula δ 1 =sin θ t cos φ t +sin θ r cos ϕ r ;

calculating a second parameter δ 2 through a formula δ 1 =sin θ t sin φ t +sin θ r sin ϕ r ;

determining d x and/or d y based on a RIS setting parameter table, wherein d x satisfies a formula Kd x =λ/δ 1 , d y satisfies a formula Kd y =λ/δ 2 ;

wherein θ t is the first angle, φ t is the second angle, θ r is the third angle, φ r is the fourth angle, d x is the center distance between two adjacent RIS units in the RIS first direction, d y is the center distance between two adjacent RIS units in the RIS second direction, λ is a wavelength, and K is a number of phase shifts.

14 . The transmission control device according to claim 10 , wherein subsequent to the determining the setting parameter of the RIS unit, the processor is configured to read the program instructions in the memory to perform:

determining a reflection parameter of each RIS unit, according to RIS area information, RIS power consumption information and the setting parameter of each RIS unit.

15 . The transmission control device according to claim 14 , wherein the reflection parameter comprises a reflection amplitude;

the processor is configured to read the program instructions in the memory to perform:

calculating a reflection amplitude A of each RIS unit through a formula

A

=

P

*

d

x

*

d

y

S

;

wherein P is a power consumption of RIS, S is an area of RIS, d x is the center distance between two adjacent RIS units in the RIS first direction, d y is the center distance between two adjacent RIS units in the RIS second direction.

16 . The transmission control device according to claim 10 , wherein the processor is configured to read the program instructions in the memory to perform:

configuring the RIS as the plurality of RIS units satisfying the setting parameter, through the plurality of connectors;

wherein each of the plurality of connectors is configured to perform at least one of:

controlling the plurality of RIS atoms around the connector to be unconnected;

controlling a part of the plurality of RIS atoms around the connector to be connected;

controlling the plurality of RIS atoms around the connector to be connected.

17 . A non-transitory processor-readable storage medium, wherein the non-transitory processor-readable storage medium stores a computer program, the computer program is executed by a processor to perform:

determining a setting parameter of a reconfigure intelligent surface (RIS) unit;

determining a connection state of a plurality of RIS atoms around a connector according to the setting parameter, and determining the RIS unit according to the connection state;

wherein at least one of the plurality of RIS atoms constitutes one RIS unit, the setting parameter comprises a center distance between multiple RIS units.

18 . The non-transitory processor-readable storage medium according to claim 17 , wherein prior to the determining the setting parameter of the RIS unit, the computer program is executed by the processor to perform:

obtaining target information;

wherein the target information comprises at least one of:

Channel State information (CSI);

transmitting end location information;

receiving end location information;

RIS location information;

RIS area information;

RIS power consumption information.

19 . The non-transitory processor-readable storage medium according to claim 17 , wherein the computer program is executed by the processor to perform:

determining the setting parameter of the RIS unit according to a first angle, a second angle, a third angle and a fourth angle;

the first angle is a lifting angle from a RIS center to a transmitting end, the second angle is a horizontal angle from the RIS center to the transmitting end, the third angle is a lifting angle from the RIS center to a receiving end, and the fourth angle is a horizontal angle from the RIS center to the receiving end.