US 12,273,844 B2
Unavailability period support for MUSIM devices
Anuj Sethi, Ottawa (CA); Michael Starsinic, Newtown, PA (US); Saad Ahmad, Montreal (CA); and Ulises Olvera-Hernandez, Saint-Lazare (CA)
Assigned to InterDigital Patent Holdings, Inc., Wilmington, DE (US)
Filed by InterDigital Patent Holdings, Inc., Wilmington, DE (US)
Filed on Jul. 22, 2024, as Appl. No. 18/780,419.
Application 18/780,419 is a continuation of application No. PCT/US2024/022990, filed on Apr. 4, 2024.
Claims priority of provisional application 63/457,515, filed on Apr. 6, 2023.
Prior Publication US 2024/0381283 A1, Nov. 14, 2024
Int. Cl. H04W 60/02 (2009.01); H04W 60/04 (2009.01); H04W 88/06 (2009.01)
CPC H04W 60/02 (2013.01) [H04W 60/04 (2013.01); H04W 88/06 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A multiple USIM (MUSIM) wireless transmit/receive unit (WTRU) comprising:
a processor configured to:
initiate registration to a first network and to a second network;
determine that an event is triggered that would make the WTRU unavailable;
initiate a first mobility registration update procedure with the first network, wherein the first mobility registration update procedure comprises sending a first registration request to the first network, wherein the first registration request indicates a first unavailability duration associated with an unavailability period;
receive a first registration response from the first network, wherein the first registration response indicates a first periodic registration timer value;
initiate a second mobility registration update procedure with the second network, wherein the second mobility registration update procedure comprises sending a second registration request to the second network, wherein the second registration request indicates a second unavailability duration; and
receive a second registration response from the second network, wherein the second registration response indicates a second periodic registration timer value.