Uplink transmission power adjustment in 5G NR communication networks

Patent metadata

Field	Value
Publication number	US-12225474-B2
Application number	US-202217680111-A
Country	US
Kind code	B2
Filing date	Feb 24, 2022
Priority date	Feb 24, 2022
Publication date	Feb 11, 2025
Grant date	Feb 11, 2025

Abstract

Systems, methods, and computer-readable media herein provide for adjustment of transmit power of a user device based on transitioning from one configuration to another configuration. Transitioning a user devices to a configuration may involve modifying the number of layers and/ports used for uplink communications. In response to modifying the number of layers and/or ports, a user device may alter the transmit power used for uplink communication so that a target power can be utilized by the user device. Adjustments to the transmit power enables a higher coverage and performance of the user device in a communication network.

First claim

The invention claimed is:

1. A method for assigning a transmit power level to a device, the method comprising:
receiving, via a transmit power controller associated with a cell site, signal quality information associated with a device, the signal quality information comprising a value indicating a signal quality for the device;
receiving, via the transmit power controller, configuration information associated with the device, the configuration information comprising an uplink transmission configuration;
determining, via the transmit power controller, that a number of uplink transmission layers has decreased;
determining, via the transmit power controller and based on the signal quality information and the configuration information associated with the device, that a transmit power of the device is less than a threshold maximum power; and
causing, via the transmit power controller, the device to increase the transmit power based on determining that the transmit power of the device is less than the threshold maximum power and based on determining that the number of uplink transmission layers has decreased.

2. The method of claim 1 , wherein the configuration information associated with the device includes a number of ports and a number of layers used for transmission.

3. The method of claim 1 , wherein the signal quality information includes a SINR measurement.

4. The method of claim 1 , wherein the signal quality information includes an RSRP signal.

5. The method of claim 1 , further comprising transmitting an instruction to the device indicating to transmit a set of data via two transmit ports over a single layer based on the signal quality information being below a threshold and based on determining that the number of uplink transmission layers has decreased.

6. The method of claim 5 , wherein the transmit power is to increase to 26 dBm.

7. The method of claim 1 , wherein the threshold maximum power is determined based on a defined power class.

8. The method of claim 1 , wherein the number of uplink transmission layers has decreased from two layers to one layer.

9. A system comprising:
one or more processors; and
one or more computer storage hardware devices storing computer-usable instructions that, when used by the one or more processors, cause the one or more processors to:
receive signal quality information associated with a device, the signal quality information comprising a value indicating a signal quality for the device;
receive configuration information associated with the device, the configuration information comprising an uplink transmission configuration;
determine that the device is to transition to a protocol having a lower number of uplink transmission layers based on the signal quality information;
determine, based on the signal quality information and the configuration information associated with the device, that a total transmit power of the device should be adjusted; and
cause the total transmit power of the device to be increased based on determining that the total transmit power of the device should be adjusted.

10. The system of claim 9 , wherein the configuration information associated with the device includes a number of ports and a number of layers used for transmission.

11. The system of claim 9 , wherein the signal quality information includes a SINR measurement.

12. The system of claim 9 , wherein the signal quality information includes an RSRP measurement.

13. The system of claim 9 , wherein causing the total transmit power of the device to be increased involves transmitting an instruction to the device indicating to increase transmit power by 3 dBm.

14. The system of claim 9 , wherein causing the total transmit power of the device to be increased includes transmitting an instruction to the device that indicates the total transmit power is 26 dBm.

15. One or more computer storage media having computer-executable instructions embodied thereon, that when executed by at least one processor, cause the at least one processor to perform a method comprising:
receiving signal quality information associated with a device;
receiving an uplink transmission configuration for the device;
determining that a number of uplink transmission layers has decreased;
determining, based on the signal quality information and the uplink configuration associated with the device, that a transmit power of the device is less than a threshold maximum power; and
causing the device to increase the transmit power based on determining that the transmit power of the device is less than the threshold maximum power and based on determining that the number of uplink transmission layers has decreased.

16. The one or more computer storage media of claim 15 , wherein the uplink configuration includes an indication of a number of antenna ports and layers used by the device for uplink transmissions, and wherein the device is caused to increase the transmit power based on the number of antenna ports and layers.

17. The one or more computer storage media of claim 16 , further comprising:
determining that the uplink transmission configuration for the device includes a 2-layer MIMO protocol; and
based on determining that the transmit power of the device is less than the threshold maximum power, that the number of uplink transmission layers has decreased, and that the uplink transmission configuration includes the 2-layer MIMO protocol, causing the device to transition to a one layer uplink transmission configuration.

18. The one or more computer storage media of claim 16 , further comprising causing the device to utilize at least one less transmit port for the uplink transmissions based on determining that the number of uplink transmission layers has decreased.

19. The one or more computer storage media of claim 15 , wherein causing the device to increase the transmit power includes transmitting a range of transmit power values for the device to increase to.

20. The one or more computer storage media of claim 15 , wherein causing the device to increase the transmit power includes transmitting a transmit power value of an amount by which the device to increase the transmit power by.

Assignees

• T Mobile Innovations Llc
• T Mobile Innovation Llc

Inventors

• Shah Anokhi
• Mirza Mochamad

Classifications

• H04W52/367 Primary

  Power values between minimum and maximum limits, e.g. dynamic range · CPC title

• H04W52/42

  in systems with time, space, frequency or polarisation diversity · CPC title

• H04W52/146

  Uplink power control · CPC title

• H04W52/241 Primary

  taking into account channel quality metrics, e.g. SIR, SNR, CIR or Eb/lo · CPC title