US 12,425,905 B2
Method and apparatus for reporting failure information in a communication system
Lianhai Wu, Chaoyang (CN); Joachim Löhr, Wiesbaden (DE); Hyung-Nam Choi, Ottobrunn (DE); Hongmei Liu, Changping District (CN); and Haiming Wang, Xicheng District (CN)
Assigned to Lenovo (Beijing) Ltd., Beijing (CN)
Appl. No. 17/910,707
Filed by Lenovo (Beijing) Ltd., Beijing (CN)
PCT Filed Mar. 27, 2020, PCT No. PCT/CN2020/081821
§ 371(c)(1), (2) Date Sep. 9, 2022,
PCT Pub. No. WO2021/189466, PCT Pub. Date Sep. 30, 2021.
Prior Publication US 2023/0156505 A1, May 18, 2023
Int. Cl. H04W 24/10 (2009.01)
CPC H04W 24/10 (2013.01) 20 Claims
OG exemplary drawing
 
1. A method performed by an access node, the method comprising:
receiving a message indicating a failure type of a backhaul link associated with at least one of a secondary node or a master node, wherein the access node is connected to the master node and the secondary node, wherein the access node is connected to a base station via the master node and the secondary node, and wherein the failure type is based at least in part on a failure type set including at least an expiry of a physical layer problem timer, a random access problem, and reaching a maximum number of retransmission in response to radio link failure RLF); and
transmitting, responsive to the message, a failure information message to the base station, wherein the failure information message indicates the failure type of the backhaul link and that the failure type of the backhaul link is based at least in part on a backhaul RLF at the backhaul link associated with at least one of the secondary node or the master node.