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为了实现对赛车手进行实时定位,并保障赛车手安全,提出基于接收信号强度指示RSSI(Received Signal Strength Index)测距的场地自行车的跟踪算法TCTR(Track Cycling Tracking based on received signal strength Index Ranging)。TCTR算法的目的就是估计移动节点(自行车)和锚节点(教练)间的距离。依据对数正态衰落模型LNSM(Log-Normal Shadowing Model)和锚节点所接收的RSSI值