| 摘要 |
The invention relates to a method and arrangement for defining the quality of transmission in a transmission system, which arrangement comprises means (504) for transmitting test information that can be recognized over a transmission channel. To achieve a reliable estimate of the transmission quality, the arrangement comprises means (510) for performing a measurement of information revealing whether the information is recognized or not to the received test information, and means (510) for defining the quality of transmission at the time on the basis of the measurements performed over a predetermined period of time. |
