The invention discloses a method of duplex communication, communication equipment and system, which involves the communication field, which is used to eliminate the same frequency interference produced by the multipath in the signal propagation channel. The method of duplex communication includes: the first communication device determines the time position of the pilot in the first signal frame according to the time position of the idle time slot in the second signal frame sent by the second communication device, in which the time position of the pilot in the first signal frame is satisfied: the first communication device receives the same frequency interference letter from the first signal frame. The pilot time in the number is the same as that of the idle time slot in the second signal frame; the first communication device sends the first signal frame; the first communication device receives the same frequency interference signal of the first signal frame; the first communication device estimates the same frequency of the first communication device in accordance with the pilot of the same frequency interference signal of the first signal frame. It interferes with the multipath channel and performs the same frequency interference cancellation. The embodiment of the invention should be used for the same frequency interference cancellation.
【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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