US 11,924,691 B2
Method for improving call performance in wireless network
Srinivas Chinthalapudi, Bangalore (IN); Kashmira Kapoor, Bangalore (IN); Kedar Santosh Kumar Aalla, Bangalore (IN); and Harsh Kothari, Bangalore (IN)
Assigned to SAMSUNG ELECTRONICS CO., LTD., Suwon-si (KR)
Filed by SAMSUNG ELECTRONICS CO., LTD., Suwon-si (KR)
Filed on Aug. 13, 2021, as Appl. No. 17/401,607.
Claims priority of application No. 202141028469 (IN), filed on Jun. 24, 2021.
Prior Publication US 2022/0417798 A1, Dec. 29, 2022
Int. Cl. H04W 28/00 (2009.01); H04L 65/80 (2022.01); H04W 28/24 (2009.01); H04W 76/16 (2018.01); H04W 76/38 (2018.01)
CPC H04W 28/24 (2013.01) [H04L 65/80 (2013.01); H04W 76/16 (2018.02); H04W 76/38 (2018.02)] 20 Claims
OG exemplary drawing
 
1. A method comprising:
sending, by a User Equipment (UE), an invite request to a server in a wireless network to initiate a Voice over New Radio (VoNR), wherein the UE is connected with a first network entity of the wireless network, and wherein the invite request comprises a media feature tag that indicates support for Evolved Packet System (EPS) fallback (EPS FB);
receiving, by the UE, a response to the invite request, wherein the response includes the media feature tag;
initiating, by the UE, an EPS FB timer based on the media feature tag and a Quality of service (QoS) timer;
determining, by the UE, whether an EPS FB command is received from the server, wherein the EPS FB command indicates a handover (HO) from the first network entity to a second network entity; and
establishing, by the UE based on whether the EPS FB command is received from the server, a call over the second network entity.