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AppleGranted patentNetworks & wirelessInterest 6/10

Apple patents phone signal tweaks for better battery life

Patent drawing
Patent drawing from the official filing.

This patent describes a method for smartphones to adjust their signal strength when the connection to a cell tower is weak. It involves resetting the phone's power settings when it switches antennas to ensure the signal stays strong without wasting energy.

Why it mattersIt helps phones maintain a stable connection in areas with poor reception, which can improve call quality and save battery.

In the filing’s own words

Systems and methods for enhanced power control at a user equipment (UE) under poor channel conditions respective to antenna transmit diversity (ATD) mechanisms are discussed herein. In some embodiments, a UE may reset a transmit power control (TPC) power adjustment value when an ATD antenna switch of the ATD mechanism is performed. In some embodiments, a UE may reduce the value of an ATD hysteresis timer upon determining that a reference signal receive power (RSRP) change on a monitored reference signal that drives a pathloss calculation at the UE exceeds a threshold. In some embodiments, a UE may scale a filtering coefficient of a pathloss calculation mechanism upon determining that an RSRP change on a monitored reference signal that drives a pathloss calculation at the UE exceeds a threshold.

What exactly they claim (claim 1)

1. A method of a user equipment (UE), comprising: performing an antenna transmit diversity (ATD) antenna switch at an ATD switch trigger; resetting a transmit power control (TPC) power adjustment value to a reset value, wherein the resetting is performed in response to the ATD antenna switch and a determination that the TPC power adjustment value exceeds a threshold value; determining a transmit power of the UE based on the reset value of the TPC power adjustment value; and sending a transmission to a base station using the transmit power.

Facts

Company
Apple (APPLE INC.)
Official title
Systems and methods for enhanced power control under poor channel conditions
Patent number
US12772179B2
Application number
18351016
Filed
Jul 12, 2023
Granted
Oct 20, 2026
Inventors
3
Claims
12

Classified under

H04W 52/245 Electricity & electronicsH04W 52/42 Electricity & electronics
Read the full filing (official PDF) ↗ Open in the Patent Tracker

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Summaries are simplified from the filing’s own abstract and first claim. A patent filing is not a product announcement.
Patent data and drawings: U.S. Patent and Trademark Office (USPTO). Nebula is not affiliated with or endorsed by the USPTO.