Method and system for selecting d2d direct communication resources
A technology for communication resources and receiving resources, which is applied in the field of selecting D2D direct communication resources, and can solve problems such as bandwidth limitation, narrow bandwidth, and inability to perform D2D direct communication.
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[0037] With the rapid development of wearable devices, the 3GPP working group decided to introduce the 3GPP access method to wearable devices, adopt D2D technology, and use smart terminals as relays to connect wearable devices to 3GPP networks. Wearable devices connected to the 3GPP network can not only ensure the security and reliability of data, but also greatly reduce the power of wearable devices and save power consumption. The use of narrowband transmission technology between wearable devices and smart terminals, such as eMTC technology or NB-IoT technology, can reduce the complexity and cost of wearable devices, and further reduce the transmission power of wearable devices.
[0038] In the existing R12 and R13 versions of the 3GPP, the D2D technology only supports broadband data transmission. The eMTC / NB-IoT technology introduced in the R13 version only supports narrowband data transmission. Therefore, eMTC UE and NB-IoT UE can also be called narrowband terminals. The b...
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