Patent ID: 9451439
Filing Date: 2016-09-20
CPC Classification: H04W

Claim Text:
1. A device discovery method, wherein the method comprises: enabling, by a first device, a device-to-device (D2D) monitoring and broadcasting function; detecting, by the first device, broadcast information of a second device; after the detecting, reporting the broadcast information of the second device and a user identifier of a target user to a network side, wherein the target user is a user that has to log-in to the second device so that the first device performs D2D communication with the second device only when the second device is located within a preset distance from the first device; requesting the network side to obtain, according to the broadcast information of the second device, an identifier of a user that logs-in to the second device, and to determine whether the identifier of the user that logs-in to the second device is the user identifier of the target user; receiving, by the first device, a result of the determining returned by the network side; confirming, by the first device according to the result of the determining, whether a device to which the target user logs-in is the second device; and performing, by the first device, the D2D communication with the confirmed second device to which the target user logged-in.