US 2026/0299075 A1Published application

Radio propagation channel update

AssigneeViavi Solutions Inc.

InventorsYilin JI, Onur DIZDAR, Stephen WANG, Sohail TAHERI

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Abstract

In some implementations, a first snapshot may indicate a set of primitives including a transmitter at a first location, a receiver at a second location, and an object at a third location. A device may perform a geometric computation to determine a path extending from the first location to the third location and from the third location to the second location. An interaction point is at a fourth location corresponding to a position on the object at the third location. The device may determine a displacement associated with the object moving to a fifth location based on a second snapshot. The device may apply the displacement to the fourth location to determine a sixth location of the interaction point corresponding to the position on the object at the fifth location. The device may determine a second channel tap response based on a propagation distance associated with the path.

Claims20

Dependent claims

A method comprising:

receiving a first snapshot of an environment, wherein the first snapshot is associated with a first time, wherein the first snapshot indicates a set of primitives within the environment, and wherein the set of primitives includes a transmitter located at a first location within the environment, a receiver located at a second location within the environment, and an object located at a third location within the environment;
performing, based on the first snapshot, a geometric computation, to determine a plurality of paths associated with a ray traveling through the environment from the first location of the transmitter to the second location of the receiver, wherein the plurality of paths includes a non-line of sight (NLOS) path that extends from the first location of the transmitter to the third location of the object and from the third location of the object to the second location of the receiver, wherein a ray-primitive interaction point at which the ray interacts with the object is located at a fourth location, and wherein the fourth location corresponds to a fixed position on the object at the third location;
performing, based on a result of performing the geometric computation, an electromagnetic computation to determine a first channel tap response;
receiving a second snapshot of the environment, wherein the second snapshot is associated with a second time, wherein the second snapshot indicates the set of primitives within the environment, and wherein the object is located at a fifth location within the environment;
determining a displacement associated with the object moving from the third location to the fifth location;
applying the displacement to the fourth location of the ray-primitive interaction point to determine a sixth location, wherein the sixth location corresponds to the fixed position on the object at the fifth location;
determining a total propagation distance associated with the NLOS path based on the fifth location and the sixth location;
determining a second channel tap response based on the total propagation distance associated with the NLOS path;
and
outputting information associated with the second channel tap response.

7 more elements

A device, comprising:

one or more memories;
and
one or more processors, coupled to the one or more memories, configured to:
receive a first snapshot of an environment, wherein the first snapshot is associated with a first time, wherein the first snapshot indicates a set of primitives within the environment, and wherein the set of primitives includes a transmitter located at a first location within the environment, a receiver located at a second location within the environment, and an object located at a third location within the environment;
perform, based on the first snapshot, a geometric computation, to determine a plurality of paths associated with a ray traveling through the environment from the first location of the transmitter to the second location of the receiver, wherein the plurality of paths includes a non-line of sight (NLOS) path that extends from the first location of the transmitter to the third location of the object and from the third location of the object to the second location of the receiver, wherein a ray-primitive interaction point at which the ray interacts with the object is located at a fourth location, and wherein the fourth location corresponds to a fixed position on the object at the third location;
perform, based on a result of performing the geometric computation, an electromagnetic computation to determine a first channel tap response;
receive a second snapshot of the environment, wherein the second snapshot is associated with a second time, wherein the second snapshot indicates the set of primitives within the environment, and wherein the object is located at a fifth location within the environment;
determine a displacement associated with the object moving from the third location to the fifth location;
apply the displacement to the fourth location of the ray-primitive interaction point to determine a sixth location, wherein the sixth location corresponds to the fixed position on the object at the fifth location;
determine a total propagation distance associated with the NLOS path based on the fifth location and the sixth location;
determine a second channel tap response based on the total propagation distance associated with the NLOS path;
and
output information associated with the second channel tap response.

10 more elements

A non-transitory computer-readable medium storing a set of instructions, the set of instructions comprising:

one or more instructions that, when executed by one or more processors of a device, cause the device to:
receive a first snapshot of an environment, wherein the first snapshot is associated with a first time, wherein the first snapshot indicates a set of primitives within the environment, and wherein the set of primitives includes a transmitter located at a first location within the environment, a receiver located at a second location within the environment, and an object located at a third location within the environment;
perform, based on the first snapshot, a geometric computation, to determine a plurality of paths associated with a ray traveling through the environment from the first location of the transmitter to the second location of the receiver, wherein the plurality of paths includes a non-line of sight (NLOS) path that extends from the first location of the transmitter to the third location of the object and from the third location of the object to the second location of the receiver, wherein a ray-primitive interaction point at which the ray interacts with the object is located at a fourth location, and wherein the fourth location corresponds to a fixed position on the object at the third location;
perform, based on a result of performing the geometric computation, an electromagnetic computation to determine a first channel tap response;
receive a second snapshot of the environment, wherein the second snapshot is associated with a second time, wherein the second snapshot indicates the set of primitives within the environment, and wherein the object is located at a fifth location within the environment;
determine a displacement associated with the object moving from the third location to the fifth location;
apply the displacement to the fourth location of the ray-primitive interaction point to determine a sixth location, wherein the sixth location corresponds to the fixed position on the object at the fifth location;
determine a total propagation distance associated with the NLOS path based on the fifth location and the sixth location;
determine a second channel tap response based on the total propagation distance associated with the NLOS path;
and
output information associated with the second channel tap response.

8 more elements

Dependencies are inferred from the claim text.