Patent ID: 8432881

Claim:
A method of transmitting a signal, the method comprising: converting (S 561 ) a service stream for delivering a service to a physical layer pipe (PLP); building (S 565 ) a time-frequency slicing (TFS) signal frame, the TFS signal frame comprising the PLP and layer-1 information; modulating (S 567 ) the TFS signal frame by an orthogonal frequency division multiplexing (OFDM) scheme and outputting a modulated signal; and transmitting (S 569 ) the modulated signal via at least one radio frequency (RF) band signal, wherein the layer-1 information includes an identifier for a radio frequency (RF) channel which includes the PLP in the first (1 st ) TFS signal frame of a super frame of TFS structure, and an identifier of a starting radio frequency (RF) channel of the TFS signal frame, wherein the identifier for the RF channel is included in a configurable part of the layer-1 information, and wherein the configurable part is changed in unit of the super frame, wherein the TFS signal frame includes signal frame identification information, wherein the signal frame identification information comprises an effective portion, a cyclic prefix obtained by frequency-shifting a first portion of the effective portion, and a cyclic suffix obtained by frequency-shifting a second portion of the effective portion, and wherein the first portion is a foremost part of the effective portion and the second portion is a backmost part of the effective portion.