CPC H04W 74/008 (2013.01) [H04W 74/006 (2013.01); H04W 74/0816 (2013.01); H04W 76/10 (2018.02); H04W 80/02 (2013.01)] | 26 Claims |
1. A method performed by a wireless device for detecting a downlink radio failure, the method comprising:
establishing a wireless connection with a network node using unlicensed radio spectrum;
receiving an indication that the network node incurred a clear channel assessment (CCA) failure in a prior attempt to communicate with the wireless device, wherein the indication of the CCA failure comprises a ratio of CCA failures to successful transmissions by the network node to the wireless device; and
in response to the indication of the CCA failure, determining whether to trigger a radio failure condition.
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