Switching of uplink user plane termination point of a serving gateway for a bearer in dual connectivity operation
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United States of America Patent
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May 25, 2021
Grant Date -
Feb 1, 2018
app pub date -
Mar 10, 2015
filing date -
Mar 19, 2014
priority date (Note) -
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Abstract
Methods and apparatuses are provided to facilitate switching of an uplink serving gateway termination point of a bearer that is offloaded from a master eNodeB (MeNB) to a secondary eNodeB (SeNB) in a dual connectivity operation. A signal is transmitted to the SeNB, via the MeNB, that includes addressing information of a new uplink serving gateway (S-GW) user plane termination point for the offloaded bearer. The addressing information is transmitted via the MeNB to the SeNB in a modification request message, such as an evolved radio access bearer (E-RAB) modification request message, and may include Internet Protocol (IP) addressing information and a Tunnel Endpoint Identifier (TEID).
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