Apparatus and methods for accessing a data network
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United States of America Patent
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Aug 9, 2016
Grant Date -
May 28, 2015
app pub date -
Nov 22, 2013
filing date -
Nov 22, 2013
priority date (Note) -
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Abstract
A packet data network gateway, P-GW, is located in a second network for supporting control plane data in a wireless communications system that additionally comprises a first network having a first packet data network gateway, P-GW, operably couplable to the P-GW and a serving gateway, S-GW. The P-GW comprises a processor arranged to determine an operational status of at least one of: a backhaul link, first P-GW. In response to the processor determining that both of the backhaul link and the first P-GW are available, the processor is arranged to perform at least one of: trigger deferred signalling between the first network and at least one of a mobility management entity, MME, the S-GW; trigger user plane handling, monitor and build terminal device context information for a plurality of terminal devices being served with user plane data by the backhaul link of the second network.
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