Performing multiple timing advance adjustments in a carrier aggregation communication system
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United States of America Patent
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Jul 19, 2016
Grant Date -
Dec 18, 2014
app pub date -
Sep 30, 2011
filing date -
Apr 1, 2011
priority date (Note) -
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Abstract
Technology for performing multiple timing advances in a carrier aggregation communication system is disclosed. A method comprises communicating a random access preamble from a UE to an eNodeB via a PCell associated with a selected component carrier of the carrier aggregation. A Random Access Response (RAR) is received at the UE from the eNodeB for the PCell. The RAR contains a timing advance adjustment instructing the UE to adjust a timing of a PCell wireless communication. A request is received at the UE to adjust a timing of an SCell communication. A random access preamble is communicated to the UE via the SCell. An RAR is received at the UE from the eNodeB for the SCell to adjust a timing advance of the SCell wireless communication.
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