Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Date of Patent
April 7, 2015
Patent Application Number
12451166
Date Filed
April 30, 2008
Patent Citations Received
Patent Primary Examiner
Patent abstract
A system is proposed to provide handover in a mobile telecommunications environment, particularly applicable to 3GPP networks, which does not increase signalling overhead but minimizes user data loss during handover. In the modified system, PDCP SDUs with Sequence numbers are buffered and retransmitted as necessary. At the time of handover, SDUs not received by the user device are forwarded to the target base station for forward transmission to the UE. The handover procedure is designed to minimize packet loss whilst keeping to a minimum the duplication of packet transmission over the air interface.
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