Patent ID: 11917452
Assignee: ZTE CORPORATION
Field: Digital communication (Electrical engineering)
Classification: CPC H | IPC H

Claim 0:
1. An information transmission method of an Integrated Access and Backhaul (IAB) link comprising a plurality of hops over IAB protocol stacks, comprising:
transmitting, by a first IAB node of the IAB link using a protocol data unit (PDU), link state information identifying a first radio link control (RLC) channel from a plurality of RLC channels to a second IAB node of the IAB link,
wherein the link state information comprises information indicating radio link failure in the first RLC channel identified from the plurality of RLC channels in the IAB link between the first IAB node and a third IAB node of the IAB link, and
wherein the second IAB node is an IAB child node that is a hop away from the first IAB node in the plurality of hops in the IAB link, the hop corresponding to at least one second RLC channel separate from the plurality of RLC channels.