US 12,075,266 B2
Handling of deteriorating AP-to-AP wireless link
Behrooz Makki, Gothenburg (SE); Mona Hashemi, Ottawa (CA); and Mikael Coldrey, Borås (SE)
Assigned to TELEFONAKTIEBOLAGET LM ERICSSON (PUBL), Stockholm (SE)
Appl. No. 17/289,986
Filed by Telefonaktiebolaget LM Ericsson (publ), Stockholm (SE)
PCT Filed Nov. 2, 2018, PCT No. PCT/EP2018/080010
§ 371(c)(1), (2) Date Apr. 29, 2021,
PCT Pub. No. WO2020/088773, PCT Pub. Date May 7, 2020.
Prior Publication US 2021/0400504 A1, Dec. 23, 2021
Int. Cl. H04W 24/04 (2009.01); H04W 92/20 (2009.01)
CPC H04W 24/04 (2013.01) [H04W 92/20 (2013.01)] 17 Claims
OG exemplary drawing
 
1. A method for handling a deteriorating access point to access point (AP-to-AP) wireless link in an integrated access and backhaul (IAB) network, the method being performed by a first access point (AP) in the IAB network, the method comprising:
identifying signal deterioration of a first AP-to-AP wireless link between the first AP and a second AP in the IAB network, the first AP-to-AP wireless link being used for backhauling data for customer premises equipments (CPEs) served by the second AP and for backhauling data for CPEs served by a third AP in the IAB network, wherein the CPEs served by the second AP include a first CPE, and the second AP has a second AP-to-AP wireless link to the third AP for backhauling data for the CPEs served by the third AP;
receiving a message for a second CPE; and
in response to identifying the signal deterioration, transmitting to the first CPE the message for the second CPE, wherein
the message for the second CPE is transmitted to the first CPE on a first direct wireless link between the first AP and the first CPE, and
the first CPE is configured to relay the message for the second CPE towards the second CPE.