对系统中影响系统性能的关键部分：防冲突模块的算法进行了比较和分析。
As the key module to the performance of whole system, anti-collision algorithm was compared and analyzed.
通过对竞争请求的冲突概率进行分析，推出了回退窗口和竞争窗口的最佳分配尺寸，并计算了不同业务流数量下系统可达到的最大传输效率。
The optimal backoff window size and contention window size are given, and the transmission efficiency is calculated by analyzing the collision probability of contention request.
分析了总线接口芯片选择原则和总线冲突解决方案，给出了系统实现的硬件接口电路和软件实现详细框图。
The selection principle of bus interface chip and solution of bus conflict are introduced, together with its concrete hardware circuits and software block chart are given.
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