Supporting enhanced uplink transmission during soft handover
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United States of America Patent
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Sep 12, 2017
Grant Date -
Feb 25, 2016
app pub date -
Sep 29, 2015
filing date -
Nov 5, 2003
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Abstract
An enhanced uplink user equipment is in soft handover. A radio network controller selects a primary Node-B out of a plurality of Node-Bs supporting the soft handover. The radio network controller receiving successfully received enhanced uplink data packets from the plurality of Node-Bs. The radio network controller reordered the successfully received enhanced uplink data packets for in-sequence deliver. The primary Node-B sends specified scheduling information to the user equipment that the other Node-Bs does not transmit. At least the primary Node-B transmits acknowledgements and negative acknowledgements to the user equipment.
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