MUMBAI, India, Oct. 5 -- Intellectual Property India has published a patent application (202541030079 A) filed by Centre Of Excellence In Wireless Technology; and Indian Institute Of Technology Madras Iit Madras on March 28, 2025, for Optimizing Retrieval Of An External Ip Address Of User Equipment In A Communication System.
Inventors include Antony Varghese Mampilly; Lokesh Sharath Chandra Borella; Harini Shree Velmurugan; Anusuya Balasubramanian; Jeniston Deviraj Klutto Milleth; and Bhaskar Ramamurthi.
The application for the patent was published on October 02, 2026, under issue no. 40/2026.
Abstract: The present invention relates to a method for optimizing retrieval of an external IP address of a UE in a communication system (1000) by a session managing node (118). The method includes receiving, from a service consumer node (114), a first service request for retrieval of the external IP address of a PDU session of the UE. The first service request includes an identifier of the UE and first plurality of attributes. The first plurality of attributes includes a SUPI, a PDU session identifier, an IP address of a remote end, and at least one of an indicator and an event ID requesting for the external IP address of the UE. Further, the method includes determining a NAT information exposing node (120) that provides the NAT information of the PDU session of the UE. Further, the method includes sending a first service response to the service consumer node (114).
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