Method and apparatus for performing non-scheduled transmission in a mobile communication system for supporting an enhanced uplink data channel
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United States of America Patent
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Jul 13, 2010
Grant Date -
Feb 2, 2006
app pub date -
Jul 18, 2005
filing date -
Jul 16, 2004
priority date (Note) -
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Abstract
A mobile communication system using an enhanced uplink dedicated transport channel transmits data at a relatively low effective data rate through non-scheduled transmission. Data transmission time intervals for user equipments (UEs) have different values in the non-scheduled transmission and therefore uplink interference is reduced. An non-scheduled transmission period N and the number of non-scheduled transmissions k are determined such that each UE performs the non-scheduled transmission. A Node B and each UE are notified of possible non-scheduled transmission time intervals based on the determined non-scheduled transmission period N and the determined number of non-scheduled transmissions k through signaling. The UE transmits the uplink data without the Node B's scheduling at the possible non-scheduled transmission time intervals.
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