CPC H04L 27/0006 (2013.01) [H04L 5/0048 (2013.01); H04W 16/14 (2013.01); H04W 72/1215 (2013.01); H04W 72/1268 (2013.01); H04W 74/085 (2013.01)] | 14 Claims |
1. A wireless transmit/receive unit (WTRU) comprising:
a processor configured to:
detect a listen before talk (LBT) failure, wherein the LBT failure is associated with a first cell;
determine that a number of LBT failures associated with the first cell has reached a threshold value based on the detected LBT failure; and
based on the determination that the number of LBT failures associated with the first cell has reached the threshold value, send a notification to a base station using a second cell, wherein the notification indicates that the threshold value has been reached.
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