Handover with mobile relays
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United States of America Patent
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May 17, 2016
Issued Date -
N/A
app pub date -
Mar 4, 2015
filing date -
Sep 10, 2012
priority date (Note) -
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Abstract
A method to provide mobility support of UEs (12) that are served by mobile relay base stations (14), by providing handover of a UE (12) for data traffic only between two mobile relay base stations. This is achieved by information exchanging between the source and target mobile relay stations of the concerned UE in handover, and/or the corresponding donor base stations (13, 11) if applicable. The handover is triggered by any of the following: based on UE's measurement report, the signal quality of a neighbour cell is better than the current serving cell; based on the measurement of the serving mobile relay base station, the signal quality of the link to the UE is worse than a certain threshold; or based on the measurement of the serving mobile relay base station, the signal quality of a neighbour cell (potential donor base station) is much better than the current donor base station.
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