System apparatus and method for measuring the signal quality in the mobile broadcast network and support it

The invention proposes a system for apparatus and methods and support it for measuring the information about the signal quality in the mobile broadcast network. According to the present invention To this end, the broadcast server to the reporting (reporting) the conditions for the signal quality using a control message provided in the portable terminal, the portable terminal has a signal quality reporting messages for the signal quality in the case of satisfying the reporting conditions and it transmits it to the server (management server) that manages. Here, the message reporting means includes a measurement result of the signal quality at the current position. Because this way the information about the signal quality from the mobile terminal low area collected automatically, quickly and easily through the gathered information it is possible to identify the mobile network state. ESG, SNR