Granted Patent B2

US 12,641,552 · App. 18/112,555 · Granted May 26, 2026

Inventors: Silvio Mandelli (Ludwigsburg, DE); Maximilian Arnold (Murrhardt, DE)

Assignee: Nokia Solutions and Networks Oy

H04W52/367H04W52/0245H04W52/42

Abstract

Claims (53)

1 . An apparatus, comprising:

at least one processor; and

at least one memory storing instructions that, when executed with the at least one processor, cause the apparatus to:

determine, with a transmit and receive beam pair of a plurality of beam pairs, a transmit power value based at least partly on a saturation power value of one or more analog-to-digital converters at a receiver, wherein the apparatus comprises the receiver and a transmitter; and

transmit, with the transmitter, a signal using the determined transmit power value and a corresponding transmit beam with the transmit and receive beam pair of the plurality of beam pairs.

2 . The apparatus according to claim 1 , wherein the instructions, when executed with the at least one processor, cause the apparatus to:

select an initial transmit power value between a lower threshold and a higher threshold;

transmit, with the transmitter, a signal using the initial transmit power value and a transmit beam with the transmit and receive beam pair of the plurality of beam pairs; and

measure, using a receive beam with the transmit and receive beam pair of the plurality of beam pairs, a received power value of a reflected, scattered, or diffracted signal of the signal transmitted using the initial transmit power value,

wherein the transmit power value is determined based least partly on the received power value.

3 . The apparatus according to claim 2 , wherein the instructions, when executed with the at least one processor, cause the apparatus to:

determine, with the transmit and receive beam pair of the plurality of beam pairs, a difference between the saturation power value and the received power value,

wherein the transmit power value is determined based at least partly on the difference.

4 . The apparatus according to claim 1 , wherein the transmit power value is determined based at least partly on the saturation power value, a beamforming power gain with the transmit and receive beam pair, and a power isolation coefficient between the transmitter and the receiver.

5 . The apparatus according to claim 1 , wherein the transmit power value is determined with:

transmitting, with the transmitter, a signal with using an initial transmit power value and a transmit beam with the transmit and receive beam pair of the plurality of beam pairs; and

iteratively reducing the initial transmit power value until the saturation power value of the one or more analog-to-digital converters is not exceeded.

6 . The apparatus according to claim 5 , wherein the initial transmit power value corresponds to a maximum available transmit power.

7 . The apparatus according to claim 1 , wherein the transmitter and the receiver are spatially separated.

8 . The apparatus according to claim 1 , wherein the instructions, when executed with the at least one processor, cause the apparatus to:

determine, with a beam of a plurality of beams, a minimum power at the receiver based at least partly on an effective noise power of the receiver and a signal-to-noise ratio threshold for communication;

determine, with the beam of the plurality of beams, a maximum supported path-loss based at least partly on the minimum power at the receiver and the determined transmit power value; and

determine, with the beam of the plurality of beams, a maximum supported distance for communication based at least partly on the maximum supported path-loss and a wavelength.

9 . The apparatus according to claim 1 , wherein the instructions, when executed with the at least one processor, cause the apparatus to:

determine, with the transmit and receive beam pair of the plurality of beam pairs, a minimum power at the receiver based at least partly on an effective noise power of the receiver, a signal-to-noise ratio threshold for sensing, and a quantization noise power;

determine, with the transmit and receive beam pair of the plurality of beam pairs, an effective path-loss based at least partly on the minimum power at the receiver and the determined transmit power value; and

determine, with the transmit and receive beam pair of the plurality of beam pairs, a maximum supported distance for sensing based at least partly on the effective path-loss and a wavelength.

10 . The apparatus according to claim 1 , wherein the instructions, when executed with the at least one processor, cause the apparatus to:

receive, with the receiver, a reflected, scattered, or diffracted signal of the signal transmitted using the determined transmit power value, wherein the reflected, scattered, or diffracted signal is received using a receive beam with the transmit and receive beam pair of the plurality of beam pairs; and

determine, based at least partly on the reflected, scattered, or diffracted signal of the signal transmitted using the determined transmit power value, at least one of: a distance, a direction, a velocity or a size of a target object, wherein the reflected, scattered, or diffracted signal is reflected, scattered, or diffracted from the target object.

11 . The apparatus according to claim 1 , wherein the signal is transmitted using multiple transmit beams simultaneously.

12 . The apparatus according to claim 1 , wherein the apparatus comprises a terminal device or an access point of a wireless communication network.

13 . The apparatus according to claim 1 , wherein the apparatus is capable of joint communication and sensing.

14 . A method performed by an apparatus, the method comprising:

determining, with a transmit and receive beam pair of a plurality of beam pairs, a transmit power value based at least partly on a saturation power value of one or more analog-to-digital converters at a receiver, wherein the apparatus comprises the receiver and a transmitter; and

transmitting, with the transmitter, a signal using the determined transmit power value and a corresponding transmit beam with the transmit and receive beam pair of the plurality of beam pairs.

15 . A non-transitory program storage device readable with an apparatus, tangibly embodying a program of instructions executable with the apparatus for causing the apparatus to perform operations, the operations comprising:

determining, with a transmit and receive beam pair of a plurality of beam pairs, a transmit power value based at least partly on a saturation power value of one or more analog-to-digital converters at a receiver, wherein the apparatus comprises the receiver and a transmitter; and

transmitting, with the transmitter, a signal using the determined transmit power value and a corresponding transmit beam with the transmit and receive beam pair of the plurality of beam pairs.

16 . The apparatus according to claim 1 , wherein the transmitter causes self-interference in the apparatus at least at the one or more analog-to-digital converters at the receiver.

17 . The apparatus according to claim 1 , wherein:

at least some different transmit and receive beam pairs create different self-interference power levels; and

the transmit power value determined for at least one transmit and receive beam pair is different from another of the transmit and receive beam pairs in the plurality of beam pairs.

18 . The method according to claim 14 , wherein determining the transmit power value comprises:

transmitting, with the transmitter, a signal with using an initial transmit power value and a transmit beam with the transmit and receive beam pair of the plurality of beam pairs; and

iteratively reducing the initial transmit power value until the saturation power value of the one or more analog-to-digital converters is not exceeded.

19 . The method according to claim 14 , further comprising:

determining, with a beam of a plurality of beams, a minimum power at the receiver based at least partly on an effective noise power of the receiver and a signal-to-noise ratio threshold for communication;

determining, with the beam of the plurality of beams, a maximum supported path-loss based at least partly on the minimum power at the receiver and the determined transmit power value; and

determining, with the beam of the plurality of beams, a maximum supported distance for communication based at least partly on the maximum supported path-loss and a wavelength.

20 . The method according to claim 14 , further comprising:

receiving, with the receiver, a reflected, scattered, or diffracted signal of the signal transmitted using the determined transmit power value, wherein the reflected, scattered, or diffracted signal is received using a receive beam with the transmit and receive beam pair of the plurality of beam pairs; and

determining, based at least partly on the reflected, scattered, or diffracted signal of the signal transmitted using the determined transmit power value, at least one of: a distance, a direction, a velocity or a size of a target object, wherein the reflected, scattered, or diffracted signal is reflected, scattered, or diffracted from the target object.

Assignments (2)

Priority Claims (1)

Continuity (1)

References Cited (18)