The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Mar. 18, 2025
Filed:
Jul. 20, 2021
T-mobile Usa, Inc., Bellevue, WA (US);
Lin Zhang, Overland Park, KS (US);
Syed Toaha Ahmad, Renton, WA (US);
Jaime Enrique Rodriguez Villate, Seattle, WA (US);
Hsin Fu Henry Chiang, Bellevue, WA (US);
James J. Bae, Chantilly, VA (US);
Adnan Rahat, Renton, WA (US);
Hang Hoi Yau, Sammamish, WA (US);
T-Mobile USA, Inc., Bellevue, WA (US);
Abstract
A solution for handling network congestion includes detecting, by a wireless network, a network congestion condition; detecting, by the wireless network, a failed attempt, by a user equipment (UE), to initiate a data session (e.g., a voice over WiFi (VoWiFi) call) over a packet data network (PDN) through the wireless network; transmitting, by the wireless network, to the UE, a notification of network congestion; and transmitting, by the wireless network, to the UE, a retry parameter set including a maximum number of fast retries, a fast retry time interval, and a slow retry time interval. In some examples, the retry parameter set further includes a rate at which the slow retry time interval increases with a value of a slow retry counter, and/or a maximum number of slow retries. In some examples, the retry scheme varies based on the severity of the congestion and/or roaming conditions.