US 12,457,549 B2
Serving gateway selection based on packet data network type
Praveen Singaram Muthukumar, Lawrenceville, NJ (US); Rahul Pal, Bellevue, WA (US); Rushabhkumar Patel, Newcastle, WA (US); and Karunakalage Viraj Rakitha Silva, Renton, WA (US)
Assigned to T-Mobile USA, Inc., Bellevue, WA (US)
Filed by T-Mobile USA, Inc., Bellevue, WA (US)
Filed on Apr. 13, 2022, as Appl. No. 17/719,717.
Prior Publication US 2023/0337120 A1, Oct. 19, 2023
Int. Cl. H04W 48/18 (2009.01); H04W 60/04 (2009.01); H04W 88/16 (2009.01)
CPC H04W 48/18 (2013.01) [H04W 60/04 (2013.01); H04W 88/16 (2013.01)] 16 Claims
OG exemplary drawing
 
1. A method performed by a serving gateway, the method comprising:
receiving, at a serving gateway control plane component from a mobile device, an attach request comprising an indication of a packet data network type;
determining, at the serving gateway control plane component based at least in part on the packet data network type, a serving gateway user plane component;
transmitting, from the serving gateway control plane component to a packet data network gateway control plane component, an address of the serving gateway user plane component, the address of the serving gateway user plane component causing the packet data network gateway control plane component to determine a packet data network gateway user plane component associated with the address of the serving gateway user plane component; and
relaying, at the packet data network gateway user plane component, user data packets of the packet data network type between the mobile device and one or more packet data networks,
wherein the packet data network type comprises one or more of IPv4, IPv6, or IPv4v6.