Patent ID: 8224984
Filing Date: 2012-07-17
Classification: H04L

Abstract:
1. A method for analysis of transmission quality in a packet-oriented network transmitting real-time critical data using payload data frames between terminals, comprising: transmitting fill frames at a minimum transmission rate at regular time intervals greater than a time interval of packets for speech signals from a first terminal to a second terminal when no real-time critical data is currently available for transmission; and determining a rate of lost data frames of payload data frames of the real-time critical data and the fill frames, based on the payload data frames and the fill frames received within a period of time at the second terminal, wherein said determining the rate of lost data frames of payload data frames and fill frames includes calculating a number of the lost data frames and calculating a value for a transmission quality as a number of the lost data frames within the period divided by an expected number of data frames within the period at the second terminal.