Patent ID: 7594251

Claim:
A digital broadcasting system comprising: a service-providing server providing data for providing digital broadcasting services; and a digital broadcasting receiver monitoring a state of the data received through a network connected with said service-providing server; said digital broadcasting receiver generating a first notification message including intrinsic information on a generated error when said data received from said service-providing server have a received power level beyond a predetermined range; said digital broadcasting receiver generating a second notification message including intrinsic information on a generated error when a value of signal to noise ratio exceeds a predetermined value; said digital broadcasting receiver generating a third notification message including intrinsic information on a generated error when the data are not received from the service-providing server at a predetermined cycle time; said digital broadcasting receiver transmitting the generated notification messages to said service-providing server, wherein the service-providing server generates and outputs an alarm message according to the intrinsic information on each error included in the notification messages received from said digital broadcasting receiver.