Controlling Inter-Cell Interference In Forward Access Channel (Cell_FACH) State
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United States of America Patent
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Issued Date -
Feb 9, 2017
app pub date -
Oct 25, 2016
filing date -
Apr 1, 2011
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Abstract
Since common E-DCH resources may be assigned from a single Node B, uplink macro-diversity may not be possible between neighboring Node B's. In addition, a user equipment (UE) assigned a common E-DCH resource may not be allowed to perform cell reselection. Thus, maintaining the assignment of a common E-DCH resource to a given UE for more than a few hundred milliseconds may result in unacceptable inter-cell interference, for example, when the UE moves closer to a neighboring cell controlled by a non-serving Node B. To overcome inter-cell interference and allow a more extensive utilization of the Cell_FACH state, a method may be used to detect and/or control inter-cell interference.
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