Broadcast signal transmission apparatus using transmission identifier scaled with 4-bit injection level code and method using same

A method of receiving a transmitted broadcasting signal, comprising:

• receiving the transmitted broadcasting signal;
• and
• generating a transmitter identification signal corresponding to the transmitted broadcasting signal, the transmitter identification signal being for identifying a transmitter,
• wherein the transmitter identification signal corresponds to a transmitter identification sequence,
• wherein the transmitter identification signal is transmitted synchronously with a host broadcasting signal,
• wherein the transmitter identification signal is scaled corresponding to an injection level code, and
• wherein a first signal corresponding to a first bit of the transmitter identification sequence is emitted simultaneously with a first sample of a first preamble symbol including a guard interval, and a second signal corresponding to a second bit of the transmitter identification sequence is emitted simultaneously with a second sample of the first preamble symbol including the guard interval.