# US 12,111,388 B2 · Edge device and method for sensor-assisted beamforming

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- Number: US 12,111,388 B2
- Document ID: US12111388B2
- Status: Granted
- Kind: B2
- Application number: 17/644,750
- Filed: 2021-12-16
- Published: 2023-02-02
- Granted: 2024-10-08
- Earliest claimed: 2021-08-02
- Assignees: Peltbeam Inc.
- Applicants: Peltbeam Inc.
- Inventors: Venkat Kalkunte; Mehdi Hatamian; Arman Rofougaran; Puya Rofougaran
- Web page: https://patentgrep.com/patent/US12111388B2

## CPC

- G01S 13/42: Simultaneous measurement of distance and other co-ordinates (indirect measurement G01S13/46)
- G01S 13/66: Radar-tracking systems; Analogous systems
- G01S 7/006: {using shared front-end circuitry, e.g. antennas (G01S13/765, G01S13/825 take precedence)}
- G01S 13/426: {Scanning radar, e.g. 3D radar (G01S13/66 takes precedence)}
- G01S 13/726: {Multiple target tracking}
- G01S 13/825: {with exchange of information between interrogator and responder}
- G01S 13/86: Combinations of radar systems with non-radar systems, e.g. sonar, direction finder
- H04B 7/0617: {for beam forming}
- H04B 7/0691: {using subgroups of transmit antennas}
- H04B 17/373: Predicting channel quality {or other radio frequency [RF]} parameters
- H04W 16/28: using beam steering
- G01S 13/867: {Combination of radar systems with cameras}
- G01S: RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- H04B: TRANSMISSION
- H04W: WIRELESS COMMUNICATION NETWORKS (broadcast communication H04H; communication systems using wireless links for non-selective communication, e.g. wireless extensions H04M1/72)

## Abstract

An edge device includes a first antenna array and a sensor that senses a surrounding area of the edge device. The edge device further includes control circuitry that detects a first user in the surrounding area of the edge device sensed by the sensor. The control circuitry tracks the detected first user in the surrounding area of the edge device based on the sensor and control the first antenna array to direct a first beam of radio frequency (RF) signal having a signal strength greater than a first threshold in a first direction of the first user being tracked based on the sensor for high-performance communication.

## Claims

### Claim 1

A first edge device, comprising:
a first antenna array;
a sensor configured to sense a surrounding area of the first edge device; and control circuitry configured to:
detect a first user in the surrounding area of the first edge device sensed by the sensor;
track the detected first user in the surrounding area of the first edge device based on the sensor;
control the first antenna array to direct a first beam of radio frequency (RF) signal having a signal strength greater than a first threshold in a first direction of the tracked first user;
determine location coordinates of a plurality of reflective objects in the surrounding area of the first edge device; and
utilize the determined location coordinates of the plurality of reflective objects to correlate a first radiation pattern of the first antenna array to the plurality of reflective objects.

### Claim 2 (depends on 1)

The first edge device according to claim 1, wherein the sensor is one of: a sensing Radar, an image sensing device, a combination of the sensing Radar and the image sensing device, or an object detection sensor.

### Claim 3 (depends on 1)

The first edge device according to claim 1, wherein the control of the first antenna array to direct the first beam of RF signal comprises selection of the first radiation pattern based on a distance of the first user from the first edge device, and wherein the first radiation pattern is associated with a first communication range with respect to the first edge device.

### Claim 4 (depends on 3)

The first edge device according to claim 3, wherein the control of the first antenna array to direct the first beam of RF signal comprises execution of beamforming in the selected first radiation pattern to make the directed first beam of RF signal reach to the first user that is within the first communication range.

### Claim 5 (depends on 4)

The first edge device according to claim 4, wherein
the control of the first antenna array to direct the first beam of RF signal comprises update of the beamforming to a second radiation pattern from the first radiation pattern to make the directed first beam of RF signal reach to the first user,
the second radiation pattern is associated with a second communication range with respect to the first edge device, and
the beamforming is updated to the second radiation pattern, having the signal strength greater than a second threshold, based on a movement of the first user to the second communication range from the first communication range.

### Claim 6 (depends on 1)

The first edge device according to claim 1, wherein the control circuitry is further configured to detect and track a second user concurrently with the first user in the surrounding area of the edge device based on the sensor.

### Claim 7 (depends on 6)

The first edge device according to claim 6, wherein the control circuitry is further configured to update the control of the first antenna array such that a second beam of RF signal having the signal strength greater than the first threshold is directed in a second direction towards the second user concomitant to the first beam of RF signal that is directed in the first direction towards the first user.

### Claim 8 (depends on 6)

The first edge device according to claim 6, wherein
the control circuitry is further configured to update the control of the first antenna array such that one beam of RF signal in a defined radiation pattern is directed to cover the first user as well as the second user, and
the update of the control of the first antenna array is based on a first location of the first user being within a threshold range of a second location of the second user.

### Claim 9 (depends on 1)

The first edge device according to claim 1, wherein the sensor is further configured to sense the surrounding area of the first edge device in a first frequency different from a second frequency used to direct the first beam of RF signal from the first antenna array.

### Claim 10 (depends on 1)

The first edge device according to claim 1, wherein the control circuitry is further configured to determine local traffic information in real-time or near real-time based on the sensed surrounding area of the first edge device.

### Claim 11 (depends on 1)

The first edge device according to claim 1, wherein
the control circuitry is further configured to communicate an assistance request to a central cloud server in a case where one or more defined service continuity criteria are met, and
the assistance request is communicated to cause the central cloud server to instruct the first edge device or a second edge device of a plurality of edge devices with specific initial access information to continue servicing one or more user equipment (UEs) carried by the first user.

### Claim 12 (depends on 1)

The first edge device according to claim 1, wherein the first edge device is at least one of: an XG-enabled repeater device, an XG-enabled small cell, an XG-enabled road-side unit (RSU), and wherein XG refers to 5G or 6G radio communication.

### Claim 13 (depends on 1)

The first edge device according to claim 1, wherein the control circuitry is further configured to:
determine that the detected first user carries an XG-enabled UE; and
distinguish the first user who carries the XG-enabled UE from a plurality of users devoid of any corresponding XG-enabled UEs, wherein
the plurality of users is different from the first user,
the first beam of RF signal is directed at an XG-carrier frequency at a location of the first user while avoiding directing any beams of RF signals at the XG-carrier frequency to the plurality of users devoid of any corresponding XG-enabled UEs, and
XG refers to 5G or 6G radio communication.

### Claim 14

An edge device, comprising:
a first antenna array;
a sensor configured to sense a surrounding area of the edge device; and
control circuitry configured to:
detect a first user in the surrounding area of the edge device sensed by the sensor;
track a location of the detected first user in the surrounding area of the edge device based on the sensor;
control the first antenna array to direct a first beam of radio frequency (RF) signal at the tracked location of the first user;
determine location coordinates of a plurality of reflective objects in the surrounding area of the edge device; and
utilize the determined location coordinates of the plurality of reflective objects to correlate a first radiation pattern of the first antenna array to the plurality of reflective objects.

### Claim 15 (depends on 14)

The edge device according to claim 14, wherein the control of the first antenna array to direct the first beam of RF signal comprises selection of the first radiation pattern based on a distance of the first user from the edge device, and wherein the first radiation pattern is associated with a first communication range with respect to the edge device.

### Claim 16 (depends on 15)

The edge device according to claim 15, wherein the control of the first antenna array to direct the first beam of RF signal comprises execution of beamforming in the selected first radiation pattern to make the first beam of RF signal to be directed in a first direction of the first user to reach the first user present in the first communication range.

### Claim 17 (depends on 16)

The edge device according to claim 16, wherein
the control of the first antenna array to direct the first beam of RF signal comprises update of the beamforming to a second radiation pattern from the first radiation pattern to make the directed first beam of RF signal reach to the first user,
the second radiation pattern is associated with a second communication range with respect to the edge device, and
the beamforming is updated to the second radiation pattern based on a movement of the first user to the second communication range from the first communication range.

### Claim 18 (depends on 14)

The edge device according to claim 14, wherein the control circuitry is further configured to detect and track a location of a second user concurrently with the first user in the surrounding area of the edge device based on the sensor.

### Claim 19 (depends on 18)

The edge device according to claim 18, wherein the control circuitry is further configured to update the control of the first antenna array such that a second beam of RF signal is directed in a second direction towards the second user to reach the second user concomitant to the first beam of RF signal that is directed in a first direction towards the first user to reach the first user.

### Claim 20 (depends on 14)

The edge device according to claim 14, wherein the control circuitry is further configured to:
determine that the detected first user carries an XG-enabled UE; and
distinguish the first user who carries the XG-enabled UE from a plurality of users devoid of any corresponding XG-enabled UEs, wherein
the plurality of users is different from the first user,
the first beam of RF signal is directed at an XG-carrier frequency at the location of the first user while avoiding directing any beams of RF signals at the XG-carrier frequency to the plurality of users devoid of any corresponding XG-enabled UEs, and
wherein XG refers to 5G or 6G radio communication.

### Claim 21

A method of radar-assisted beamforming, the method comprising:
sensing, by a sensor of an edge device, a surrounding area of the edge device;
detecting, by control circuitry of the edge device, a-first user in the surrounding area of the edge device sensed by the sensor;
tracking, by the control circuitry, the detected user in the surrounding area of the edge device based on the sensor;
controlling, by the control circuitry, a first antenna array of the edge device to direct a first beam of radio frequency (RF) signal having a signal strength greater than a threshold in a direction of the tracked user;
determining location coordinates of a plurality of reflective objects in the surrounding area of the edge device; and
utilizing the determined location coordinates of the plurality of reflective objects to correlate a radiation pattern of the first antenna array to the plurality of reflective objects.