TECHNIQUES FOR AMBIENT BACKSCATTERING CONFIGURATION

1 . A base station (BS) for wireless communication, comprising:

at least one memory; and

at least one processor coupled with the at least one memory and configured to cause the BS to:

determine a configuration for adapting a backscattering link between the BS and a device configured for ambient backscattering;

transmit the configuration to the device configured for ambient backscattering; and

receive an indication that the configuration is applied, the indication received in a backscattered signal from the device configured for ambient backscattering.

2 . The BS of claim 1 , wherein the device configured for ambient backscattering comprises an ambient Internet of Things device.

3 . The BS of claim 1 , wherein the at least one processor is configured to cause the BS to:

transmit the configuration to an external emitter for forwarding to the device configured for ambient backscattering.

4 . The BS of claim 3 , wherein the configuration comprises information for forwarding control information from the external emitter to the device configured for ambient backscattering within or prior to a carrier wave transmission.

5 . The BS of claim 1 , wherein the configuration comprises information for changing at least one of a coding scheme, a modulation scheme, a coding rate, a pulse duration state, or a combination thereof associated with the backscattered signal.

6 . The BS of claim 1 , wherein the configuration comprises information indicating a number of repetitions to be applied for the backscattered signal.

7 . The BS of claim 1 , wherein the configuration comprises information for adapting a pulse length for ON and OFF states to the backscattered signal.

8 . The BS of claim 7 , wherein the configuration comprises information for adapting pulse interval encoding for the backscattered signal.

9 . The BS of claim 1 , wherein the at least one processor is configured to cause the BS to:

transmit the configuration to the device configured for ambient backscattering in a downlink signal, wherein control information for adapting the backscattering link is located within a bit field of a header of the downlink signal.

10 . The BS of claim 1 , wherein the configuration comprises information for the device configured for ambient backscattering to autonomously switch between different modulation schemes, coding schemes, or a combination thereof.

11 . The BS of claim 10 , wherein the different modulation schemes, coding schemes, or a combination thereof are determined based on an intensity of a received carrier wave, a level of stored energy, device capabilities, or a combination thereof.

12 . The BS of claim 1 , wherein the at least one processor is configured to cause the BS to:

receive the indication that the configuration is applied in a predefined bit field within the backscattered signal, the indication comprising an applied modulation scheme, coding scheme, repetition scheme, or a combination thereof.

13 . A processor for wireless communication, comprising:

at least one controller coupled with at least one memory and configured to cause the processor to:

determine a configuration for adapting a backscattering link between a base station (BS) and a device configured for ambient backscattering;

transmit the configuration to the device configured for ambient backscattering; and

receive an indication that the configuration is applied, the indication received in a backscattered signal from the device configured for ambient backscattering.

14 . A method performed by a base station (BS), the method comprising:

determining a configuration for adapting a backscattering link between the BS and a device configured for ambient backscattering;

transmitting the configuration to the device configured for ambient backscattering; and

receiving an indication that the configuration is applied, the indication received in a backscattered signal from the device configured for ambient backscattering.

15 . The method of claim 14 , wherein the device configured for ambient backscattering comprises an ambient Internet of Things device.

16 . The method of claim 14 , further comprising:

transmitting the configuration to an external emitter for forwarding to the device configured for ambient backscattering.

17 . A device for wireless communication, comprising:

at least one memory; and

at least one processor coupled with the at least one memory and configured to cause the device to:

receive a configuration for adapting a backscattering link between the device and a base station (BS), the device configured for ambient backscattering;

apply the configuration for adapting the backscattering link; and

transmit an indication to the BS that the configuration is applied, the indication transmitted in a backscattered signal.

18 . The device of claim 17 , wherein the device comprises an ambient Internet of Things device.

19 . The device of claim 17 , wherein the at least one processor is configured to cause the device to:

change at least one of a coding scheme, a modulation scheme, a coding rate, a pulse duration state, or a combination thereof associated with the backscattered signal according to the configuration.

20 . The device of claim 17 , wherein the at least one processor is configured to cause the device to:

apply a number of repetitions to the backscattered signal according to the configuration.