The GPS C/A‐code is the most widely utilized GNSS signal today. The C/A‐code design includes (1) a short (length‐1023) spreading code that repeats every 1 ms and (2) a low (50 bps) data rate. These two characteristics can lead to undesired interactions between received C/A‐code signals within user equipment. In this paper, a simple model is derived for predicting the impact of C/A‐code self‐interference on receiver performance. The accuracy of the model in predicting C/A‐code self‐interference is assessed through the use of a high‐fidelity GPS receiver software simulation.

中文翻译：

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GPS C / A码自干扰的简单模型

GPS C / A码是当今使用最广泛的GNSS信号。C / A代码设计包括（1）每1 ms重复一次的短（length-1023）扩展代码，以及（2）低（50 bps）数据速率。这两个特征可能导致用户设备中接收到的C / A码信号之间发生不良交互作用。在本文中，推导了一个简单的模型来预测C / A码自干扰对接收机性能的影响。通过使用高保真GPS接收机软件仿真评估了模型在预测C / A码自干扰中的准确性。