Apparatus for transmitting and receiving a signal and method of transmitting and receiving a signal

1. A method of transmitting a signal, the method comprising:

converting a service stream for delivering a service to a physical layer pipe (PLP);

building a time-frequency slicing (TFS) signal frame comprising the PLP and layer-1 information;

modulating the TFS signal frame by an orthogonal frequency division multiplexing (OFDM) scheme in order to output a modulated signal; and

transmitting the modulated signal via at least one radio frequency (RF) band signal,

wherein the layer-1 information includes an identifier (ID) of a radio frequency (RF) channel that includes the PLP in a first (1 st ) TFS signal frame of a super frame of a TFS structure, an ID of a starting RF channel of the TFS signal frame, and an index of a current RF channel within the TFS signal frame,

wherein the ID of the RF channel is included in a configurable part of the layer-1 information,

wherein the configurable part is changed in unit of the super frame,

wherein the TFS signal frame further comprises signal frame identification information that comprises a portion, a cyclic prefix obtained by frequency-shifting a first part of the portion, and a cyclic suffix obtained by frequency-shifting a second part of the portion, and

wherein the first part of the portion is a foremost part of the portion and the second part of the portion is a rearmost part of the portion.

2. A method of receiving a signal, the method comprising:

receiving the signal of a frequency band;

obtaining layer-1 information from a time-frequency slicing (TFS) signal frame of the received signal, the layer-1 information including an identifier (ID) of a radio frequency (RF) channel that includes a physical layer pipe (PLP) in a first (1 st ) TFS signal frame of a super frame of a TFS structure, an ID of a starting RF channel of the TFS signal frame, and an index of a current RF channel within the TFS signal frame;

parsing the TFS signal frame using the layer-1 information;

obtaining the PLP; and

converting the PLP to a service stream,

wherein the ID of the RF channel is included in a configurable part of the layer-1 information,

wherein the configurable part is changed in unit of the super frame,

wherein the TFS signal frame includes signal frame identification information that comprises a portion, a cyclic prefix obtained by frequency-shifting a first part of the portion, and a cyclic suffix obtained by frequency-shifting a second part of the portion, and

wherein the first part of the portion is a foremost part of the portion and the second part of the portion is a rearmost part of the portion.

3. An apparatus for transmitting a signal, the apparatus comprising:

a coding and modulation unit with circuitry to encode a service stream for delivering a service by an error-correction-encoding scheme and interleave the encoded service stream;

a mapper with circuitry to map bits of the interleaved service stream to symbols of a physical layer pipe (PLP);

a frame builder with circuitry to build a time-frequency slicing (TFS) signal frame including:

the PLP; and

layer-1 information including an identifier ID of a radio frequency (RF) channel that includes the PLP in a first (1 st ) TFS signal frame of a super frame of a TFS structure, an ID of a starting RF channel of the TFS signal frame, and an index of a current RF channel within the TFS signal frame;

a modulator with circuitry to modulate the TFS signal frame by an orthogonal frequency division multiplexing (OFDM) scheme and output a modulated signal; and

a transmitter to transmit the modulated signal via at least one RF signal,

wherein the ID of the RF channel is included in a configurable part of the layer-1 information,

wherein the configurable part is changed in unit of the super frame,

wherein the TFS signal frame includes signal frame identification information that comprises a portion, a cyclic prefix obtained by frequency-shifting a first part of the portion, and a cyclic suffix obtained by frequency-shifting a second part of the portion, and

wherein the first part of the portion is a foremost part of the portion and the second part of the portion is a rearmost part of the portion.

4. An apparatus for receiving a signal, the apparatus comprising:

a receiver with circuitry to receive the signal of a frequency band;

a demodulator with circuitry to obtain layer-1 information from a time-frequency slicing (TFS) signal frame of the received signal, the layer-1 information including an identifier ID of a radio frequency (RF) channel that includes a physical layer pipe (PLP) in a first (1 st ) TFS signal frame of a super frame of a TFS structure, an ID of a starting RF channel of the TFS signal frame, and an index of a current RF channel within the TFS signal frame;

a frame parser with circuitry to:

parse the TFS signal frame using the layer-1 information; and

obtain the PLP;

a symbol-demapper with circuitry to symbol-demap symbols of the PLP to bits of a service stream; and

a decoding demodulator with circuitry configured to:

deinterleave the bits of the service stream; and

decode the deinterleaved bits of the service stream by an error-correction decoding scheme,

wherein the ID of the RF channel is included in a configurable part of the layer-1 information,

wherein the configurable part is changed in unit of the super frame,

wherein the TFS signal frame includes signal frame identification information that comprises a portion, a cyclic prefix obtained by frequency-shifting a first part of the portion, and a cyclic suffix obtained by frequency-shifting a second part of the portion, and

wherein the first part of the portion is a foremost part of the portion and the second part of the portion is a rearmost part of the portion.