Techniques for user equipment power saving

Patent metadata

Field	Value
Publication number	US-11877169-B2
Application number	US-202117529113-A
Country	US
Kind code	B2
Filing date	Nov 17, 2021
Priority date	Dec 2, 2020
Publication date	Jan 16, 2024
Grant date	Jan 16, 2024

Abstract

Methods, systems, and devices for wireless communications are described. A user equipment (UE) may be configured to receive a downlink transmission from a first cell, where the downlink transmission includes information for performing one or more actions associated with a second cell. The UE may identify a satisfaction of a trigger condition associated with one or more parameters at the UE based on a power level of the UE being less than or equal to a threshold power level, a throughput at the UE being less than or equal to a threshold throughput, or both. The UE may additionally identify at least one bandwidth associated with the second cell based on a previous wireless connection. The UE may compare, the at least one bandwidth associated with the second cell with a threshold bandwidth. The UE may then perform at least one action associated with a procedure based on the comparing.

First claim

What is claimed is:

1. A method for wireless communication at a user equipment (UE), comprising:
receiving a downlink transmission from a first cell, the downlink transmission comprising information for performing one or more actions associated with a second cell;
identifying a satisfaction of a trigger condition associated with one or more operational parameters at the UE based at least in part on a power level of the UE being less than or equal to a threshold power level, a throughput at the UE being less than or equal to a threshold throughput, or both;
identifying, based at least in part on the satisfaction of the trigger condition, at least one bandwidth associated with the second cell based at least in part on a previous wireless connection between the second cell and the UE, a previous wireless connection between the second cell and an additional UE, or both;
comparing the at least one bandwidth associated with the second cell with a threshold bandwidth; and
performing at least one action associated with a procedure based at least in part on the comparing.

2. The method of claim 1 , wherein the at least one bandwidth is associated with a channel supported by the second cell, wherein performing the at least one action associated with the procedure comprises:
refraining from completing the procedure associated with the channel supported by the second cell based at least in part on the at least one bandwidth associated with the channel being greater than or equal to the threshold bandwidth.

3. The method of claim 1 , wherein the at least one bandwidth is associated with a channel supported by the second cell, wherein performing the at least one action associated with the procedure comprises:
completing the procedure associated with the channel supported by the second cell based at least in part on the at least one bandwidth associated with the channel being less than or equal to the threshold bandwidth.

4. The method of claim 1 , wherein identifying the at least one bandwidth associated with the second cell comprises:
determining the at least one bandwidth associated with the second cell based at least in part on the previous wireless connection between the second cell and the UE, wherein the downlink transmission is received after communicating with the second cell; and
storing the at least one bandwidth in memory.

5. The method of claim 1 , wherein identifying the at least one bandwidth associated with the second cell comprises:
transmitting, to the first cell, the second cell, a second UE, or any combination thereof, a request for information associated with the at least one bandwidth of the second cell based at least in part on the satisfaction of the trigger condition; and
receiving an indication of the at least one bandwidth associated with the second cell in response to the request, wherein identifying the at least one bandwidth is based at least in part on the indication.

6. The method of claim 1 , wherein identifying that the trigger condition has been satisfied is based at least in part on identifying that the UE is in an idle mode of operation or a connected mode of operation.

7. The method of claim 1 , further comprising:
transmitting, to the first cell, an uplink transmission indicating the satisfaction of the trigger condition; and
receiving, from the first cell based at least in part on transmitting the uplink transmission, a second downlink transmission comprising information for performing the at least one action associated with the procedure.

8. The method of claim 1 , wherein the downlink transmission comprises an indication for the UE to perform measurements on one or more reference signals received from the second cell, wherein performing the at least one action comprises:
receiving the one or more reference signals from the second cell, the one or more reference signals associated with a set of channels supported by the second cell;
performing a set of measurements for the one or more reference signals received from the second cell; and
transmitting, to the first cell, a measurement report based at least in part on performing the set of measurements, wherein the measurement report omits measurements associated with one or more channels of the set of channels based at least in part on the at least one bandwidth associated with the one or more channels being greater than or equal to the threshold bandwidth.

9. The method of claim 1 , wherein the downlink transmission comprises an indication for the UE to perform measurements on one or more reference signals received from the second cell, wherein performing the at least one action comprises:
receiving, from the second cell, a reference signal associated with a channel supported by the second cell, wherein the at least one bandwidth is associated with the channel; and
refraining from performing measurements for the received reference signal based at least in part on the at least one bandwidth associated with the channel being greater than or equal to the threshold bandwidth.

10. The method of claim 1 , wherein the downlink transmission comprises an indication for the UE to establish a wireless connection with the second cell, wherein performing the at least one action comprises:
transmitting, to the first cell, an uplink transmission associated with a radio link failure at the UE based at least in part on the at least one bandwidth being greater than or equal to the threshold bandwidth.

11. The method of claim 1 , wherein the downlink transmission comprises an indication for the UE to perform a handover procedure from the first cell to the second cell, wherein performing the at least one action comprises:
receiving one or more reference signals from the second cell, the one or more reference signals associated with a set of channels supported by the second cell;
performing a set of measurements for the one or more reference signals received from the second cell; and
transmitting, to the first cell, a measurement report based at least in part on performing the set of measurements, wherein the measurement report omits measurements associated with one or more channels of the set of channels based at least in part on the at least one bandwidth associated with the one or more channels being greater than or equal to the threshold bandwidth.

12. The method of claim 1 , wherein the downlink transmission comprises an indication for the UE to perform a handover procedure from the first cell to the second cell, wherein performing the at least one action comprises:
receiving, from the second cell, a reference signal associated with a channel supported by the second cell; and
refraining from performing measurements for the received reference signal based at least in part on the at least one bandwidth associated with the channel being greater than or equal to the threshold bandwidth.

13. The method of claim 1 , wherein the downlink transmission comprises an indication for the UE to perform a handover procedure from the first cell to the second cell, wherein performing the at least one action comprises:
transmitting, to the first cell, an uplink transmission associated with a radio link failure at the UE based at least in part on the at least one bandwidth being greater than or equal to the threshold bandwidth.

14. The method of claim 1 , wherein the downlink transmission comprises an indication for the UE to perform a release with a cell redirection procedure from the first cell to the second cell, wherein performing the at least one action comprises:
entering an idle mode of operation based at least in part on the at least one bandwidth being gre

Assignees

• Qualcomm Inc

Inventors

• Santhanam Arvind Vardarajan
• Banister Brian Clarke
• Lee Kuo-Chun
• Umatt Bhupesh Manoharlal
• Pant Nitin

Classifications

• H04W36/302

  due to low signal strength · CPC title

• H04W36/08

  Reselecting an access point · CPC title

• H04W24/08 Primary

  Testing, {supervising or monitoring} using real traffic · CPC title

• H04L5/0048

  Allocation of pilot signals, i.e. of signals known to the receiver (allocation of control signalling H04L5/0053; use of control signalling H04L5/0091) · CPC title

• H04W24/10

  Scheduling measurement reports {; Arrangements for measurement reports} · CPC title