CPC H04W 76/19 (2018.02) [H04L 45/28 (2013.01); H04W 40/24 (2013.01); H04W 40/34 (2013.01); H04W 48/16 (2013.01); H04W 48/20 (2013.01); H04W 88/14 (2013.01)] | 18 Claims |
9. A method implemented in a network node having a first parent network node, the method comprising:
detecting a failure of a backhaul link in an integrated access backhaul, IAB, network between the network node and the first parent network node of the network node;
attempting to find an alternative backhaul link to replace the failed backhaul link;
if the attempt to find the alternative backhaul link fails, then:
cause a first child network node one level below the first parent network node to attempt to find a second network node to serve as a new parent network node for the alternative backhaul link;
if the first child network node one level below the first parent network node fails to find another network node to serve as the new parent network node, cause a third child network node one level below the first child network node to attempt to find another network node to serve as the new parent network node; and
if the attempt to find an alternative backhaul link succeeds, then utilizing the alternative backhaul link.
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