CPC H04W 76/14 (2018.02) [H04B 17/318 (2015.01); H04W 8/005 (2013.01); H04W 48/08 (2013.01); H04W 88/04 (2013.01); H04W 76/27 (2018.02); H04W 92/18 (2013.01)] | 20 Claims |
1. A method, comprising:
receiving, by a first user equipment, a first message sent by second user equipment, wherein the first message comprises first indication information indicating that the second user equipment supports a user equipment-to-network relay function based on a layer-2, and wherein the first message is a device-to-device discovery message; and
receiving, by the first user equipment, a second message sent by a network device, wherein the second message comprises first information and first configuration information, wherein the first information indicates that at least one of the network device or a cell in which the network device sends the second message supports the user equipment-to-network relay function based on the layer-2, wherein the first configuration information comprises a second threshold, wherein the second threshold indicates that the first user equipment is allowed to send a user equipment-to-network relay discovery solicitation message in response to a reference signal receive power (RSRP) of a wireless link between the network device and the first user equipment being lower than the second threshold.
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