本文详细分析ATM信元交换过程，提出ATM流量监测分析指标。
This paper analyses the process of ATM cell exchange in detail, proposes the ATM performance metrics.
集中处理信元缓冲的AT M交换机结构复杂、扩展性不好、不易保证高吞吐率，而由多级交换单元分布处理信元缓冲可克服这些缺点。
There are some drawbacks in ATM switch unifying buffer: complicated structure, lack of expansibility and difficulties in ensuring to ensure high throughput.
在第2章中，研究在贝努里信元到达模型下，内部无阻塞交换机的性能分析。
In Chapter 2, we focus on the performance analysis of internal nonblocking packet switches with Bernoulli traffic arrival model.
ATM交换单元采用的输入排队由于存在队头阻塞严重影响了吞吐率，并且信元丢失率也很大。
Head-of-line blocking exists in input queuing used by ATM switching element , which severely affects the throughput , and the cell lo ss is also very large.
在第3章中，研究了在相关性信元到达模型下无阻塞交换机的性能分析。
In Chapter 3, the performance of nonblocking packet switches with correlated traffic arrival model is studied.
研究了AT M交换中缓冲管理机制和信元丢弃策略。
Researches on buffer management and cell discarding in ATM switch.
详细研究了无线at M交换机的信道特性，提出了对AT M信元进行保护的RS码编码方案，并且论证了该方案的可行性。
The channel characters of wireless ATM switcher have been discussed in detail, the rs coding scheme to protect ATM cells is put forward and the feasibility of this scheme is proved.
本文主要内容包括：研究了AT M交换中缓冲管理机制和信元丢弃策略。
This thesis consists of the following: 1. Researches on buffer management and cell discarding in ATM switch.
本文主要内容包括：研究了AT M交换中缓冲管理机制和信元丢弃策略。
This thesis consists of the following: 1. Researches on buffer management and cell discarding in ATM switch.
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