Method and device for discovering specified user equipment
A technology for specifying users and discovering methods, which is applied in the field of communication and can solve problems such as no solution
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Embodiment 1
[0193] Corresponding to the method (1).
[0194] Such as Figure 8 As shown, the base station notifies the discoverer UE and the discovered party UE of the resource information occupied by the discovery signal, the discovered party UE sends the discovery signal, and the discoverer UE feeds back the discovery signal reception quality information to the base station according to the decoding result of the discovery signal.
[0195] Specifically, on the network side, it includes:
[0196] Step 1: When the UE initiates a request to the network to discover the UE at the other end, or the eNB receives the core network signaling, it needs to perform the discovery process for the two UEs, or based on the eNB algorithm, the discovery process needs to be initiated between the two UEs. Then the eNB determines the discovering UE and the discovered UE according to the instructions or algorithms in the request, and informs the discovering UE and the discovered UE in the form of dedicated signaling...
Embodiment 2
[0211] Corresponding to the method (2).
[0212] Such as Picture 9 As shown, the base station notifies the discoverer UE and the discovered party UE of the resource information occupied by the discovery signal and response signal, the discovered party UE sends the discovery signal, and the discoverer UE feeds back the discovery signal reception quality information to the base station according to the decoding result of the discovery signal. The discovering UE sends a response signal, and the discovered UE feeds back response signal reception quality information to the base station according to the decoding result of the response signal.
[0213] In some cases, it is considered that the UEs of both parties in the D2D communication have a link in one direction (UE1-> UE2) and the reverse link (UE2-> UE1) There are certain differences. For example, when the transmission links in the two directions need to use different frequencies or frequency bands for transmission, that is, when the...
Embodiment 3
[0233] Corresponding to the method (3).
[0234] Such as Picture 10 As shown, the base station notifies the discoverer UE and the discovered party UE of the resource information occupied by the discovery signal and the response signal, the discovered party UE sends the discovery signal, the discoverer UE determines that the discovery signal is decoded correctly and then sends the response signal. The discovered party UE The decoding result of the response signal feeds back the response signal reception quality information to the base station.
[0235] In some cases, it is considered that the UEs of both parties in the D2D communication have a link in one direction (UE1-> UE2) and the reverse link (UE2-> UE1) There are certain differences. For example, when the transmission links in the two directions need to use different frequencies or frequency bands for transmission, that is, when the link quality in one direction is measured to meet the D2D communication requirements, the link ...
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