Handover in a wireless data packet communication system that avoid user data loss
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United States of America Patent
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May 28, 2013
Grant Date -
Feb 12, 2009
app pub date -
Aug 6, 2008
filing date -
Aug 8, 2007
priority date (Note) -
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Abstract
An apparatus, method, processor(s), and computer program product avoids user data loss by network-controlled, user equipment assisted handover in a wireless data packet communication system. A wireless receiver receives radio link control (RLC) packet data units (PDUs) from user equipment (UE) being served by a source node. A wireless transmitter commands the UE to handover. A network communication interface transmits RLC Uplink (UL) context from the source node to the target node, and transmits RLC Downlink (DL) initialization message and buffered in-transit DL RLC PDUs from the source node to the target node.
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