The invention discloses an information transmission method, device and system, relates to the field of communication, can solve the problem of unable to determine an incomplete sub frame contains a number of OFDM receiver in the prior art, the sub frame can not properly receive incomplete problems, specific solutions for network equipment to determine one or more PHICH the resources for the first subframe, one or more physical hybrid automatic retransmission indicates the number of orthogonal frequency channel PHICH resource indication second sub frame unauthorized carrier contains multiplexing OFDM symbols, network equipment is sent to the user equipment for the first sub frame and the second sub frame. The invention is used for information transmission.
【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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