The estimation measure of the cell lost ration, the cell mis-inserted rate, the cell error ration, the serious error cell block ration is discussed in the section of OAM performance parameter.

• 对于OAM性能参数估计，主要讨论了信元丢失率、信元误插率、信元错误率以及严重信元错误块率等参数的估计原理和估计方法并加以实现。