US 12,069,558 B2
Secondary cell group (SCG) failure prediction and traffic redistribution
Vishal Dalmiya, San Diego, CA (US); Vaishakh Rao, San Diego, CA (US); Kuo-Chun Lee, San Diego, CA (US); Leena Zacharias, San Jose, CA (US); Vanitha Aravamudhan Kumar, San Diego, CA (US); and Arvind Vardarajan Santhanam, San Diego, CA (US)
Assigned to QUALCOMM Incorporated, San Diego, CA (US)
Filed by QUALCOMM Incorporated, San Diego, CA (US)
Filed on Nov. 11, 2021, as Appl. No. 17/524,581.
Prior Publication US 2023/0145079 A1, May 11, 2023
Int. Cl. H04W 40/18 (2009.01); G06N 20/00 (2019.01); H04W 24/04 (2009.01)
CPC H04W 40/18 (2013.01) [G06N 20/00 (2019.01); H04W 24/04 (2013.01)] 27 Claims
OG exemplary drawing
 
1. A method of wireless communication, by a user equipment (UE), comprising:
setting up a secondary cell group with a second radio access technology (RAT) that differs from a first RAT associated with a master cell group;
communicating wirelessly via the secondary cell group and the master cell group;
predicting a radio link failure (RLF) for the secondary cell group based on a plurality of inputs to a machine learning model, the plurality of inputs comprising at least one of a mean delay of radio link control (RLC) acknowledgment packets to new packet transmissions in a quantity of recent time slots, or scheduling request (SR) retransmission rate statistics; and
routing data transmission from the secondary cell group to the master cell group, after the predicting of the RLF for the secondary cell group.