Seamless relocation of a mobile terminal in a wireless network

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United States of America Patent

PATENT NO 9924431
SERIAL NO

15018278

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Abstract

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A method for performing seamless relocation of a mobile terminal in a wireless network includes selecting a first serving gateway (SGW) among a plurality of SGWs and a first packet data network gateway (PGW) among a plurality of PGWs, wherein the first SGW connects to the first PGW to setup the first S5 session, establishing a first communication channel between the terminal and the first PGW and assigning an internet protocol (IP) address to the terminal, selecting a second SGW among the plurality of SGWs when the terminal is about to move out of an area being served by the first SGW, connecting the second SGW to the second PGW to setup a new S5 session when a second PGW among the plurality of PGWs is closer to the second SGW than the first PGW or connecting the second SGW to the first PGW to modify the first S5 session when no PGW is closer to the second SGW than the first PGW, establishing a second communication channel between the terminal and the second SGW using the IP address allocated to the terminal, reconfiguring routing for terminal IP destination, and terminating the first communication channel between the terminal and the first PGW.

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Patent Owner(s)

Patent OwnerAddress
SMARTSKY NETWORKS LLC430 DAVIS DRIVE SUITE 350 MORRISVILLE NC 27560

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Claassen, David Aaron Leesburg, US 5 23
Wang, Lei Oak Hill, US 2386 21419

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