The invention discloses a route selection method, device and system, relates to the field of communication, can solve the existing technology, if the direct communication of the two terminal equipment of far distance or channel quality has been greatly changed, the two terminal equipment will not be able to carry out D2D communication problems. The specific method is that: the first to discover information sending and receiving the first device equipment in the first second, found that adding a first device ID and sends the first discovery of the first device added information after ID information, the destination device received can find information after the first to determine the transmission path. The invention is used for path selection.
【技术实现步骤摘要】
【国外来华专利技术】PCT国内申请，说明书已公开。
【技术保护点】
PCT国内申请，权利要求书已公开。
【技术特征摘要】
【国外来华专利技术】PCT国内申请，...
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