Frame structure suitable for terahertz-band-based communication environment

1 . A method performed by a base station of a communication system, the method comprising:

identifying a subcarrier spacing for a communication between the base station and a terminal;

transmitting, to the terminal, a signal including information indicating at least one of whether an additional symbol is allocated or a number of additional symbols, wherein the number of additional symbols is based on the subcarrier spacing;

generating data allocation information for mapping data based on the allocation of the additional symbol; and

transmitting, to the terminal, the data allocation information and the mapped data,

wherein the additional symbol is allocated to a predetermined part of a first slot for every 0.5 ms boundary,

wherein in case that the subcarrier spacing is 15×2 n kHz and n is 8, the number of the additional symbols is at most 1,

wherein in case that the subcarrier spacing is 15×2 n kHz and n is 9, the number of the additional symbols is at most 3, and

wherein in case that the subcarrier spacing is 15×2 n kHz and n is 10, the number of the additional symbols is at most 7.

2 . The method of claim 1 , further comprising:

transmitting, to the terminal, a signal including information indicating at least one of whether a complementary sequence is transmitted or a mapping relationship between the complementary sequence and information included in the complementary sequence,

wherein the complementary sequence is located at samples from a first sample of the first slot for every 0.5 ms boundary to a sample before the additional symbol, or at a predetermined location based on the 0.5 ms boundary.

3 . The method of claim 2 , further comprising:

identifying control information to be transmitted to the terminal;

generating the complementary sequence corresponding to the control information; and

transmitting the complementary sequence.

4 . A method performed by a terminal of a communication system, the method comprising:

identifying a subcarrier spacing for a communication between a base station and the terminal;

receiving, from the base station, a signal including information indicating at least one of whether an additional symbol is allocated or a number of additional symbols, wherein the number of additional symbols is based on the subcarrier spacing;

receiving, from the base station, data allocation information for mapped data; and

receiving, from the base station, the mapped data on the additional symbol based on the data allocation information,

wherein the additional symbol is allocated to a predetermined part of a first slot for every 0.5 ms boundary, wherein in case that the subcarrier spacing is 15×2 n kHz and n is 8, the number of the additional symbols is at most 1,

wherein in case that the subcarrier spacing is 15×2 n kHz and n is 9, the number of the additional symbols is at most 3, and

wherein in case that the subcarrier spacing is 15×2 n kHz and n is 10, the number of the additional symbols is at most 7.

5 . The method of claim 4 , further comprising:

receiving, from the base station, a signal including information indicating at least one of whether a complementary sequence is received or a mapping relationship between the complementary sequence and information included in the complementary sequence,

wherein the complementary sequence is located at samples from a first sample of the first slot for every 0.5 ms boundary to a sample before the additional symbol, or at a predetermined location based on the 0.5 ms boundary.

6 . The method of claim 5 , further comprising:

receiving, from the base station, the complementary sequence;

identifying correlations between a plurality of sequences and the complementary sequence; and

identifying control information corresponding to a sequence corresponding to the highest correlation among the identified correlations.

7 . A base station of a communication system, the base station comprising:

a transceiver; and

a controller configured to:

identify a subcarrier spacing for a communication between the base station and a terminal,

transmit, to the terminal, a signal including information indicating at least one of whether an additional symbol is allocated or a number of additional symbols, wherein the number of additional symbols is based on the subcarrier spacing,

generate data allocation information for mapping data based on the allocation of the additional symbol, and

transmit, to the terminal, the data allocation information and the mapped data,

wherein the additional symbol is allocated to a predetermined part of a first slot for every 0.5 ms boundary,

wherein in case that the subcarrier spacing is 15×2 n kHz and n is 8, the number of the additional symbols is at most 1,

wherein in case that the subcarrier spacing is 15×2 n kHz and n is 9, the number of the additional symbols is at most 3, and

wherein in case that the subcarrier spacing is 15×2 n kHz and n is 10, the number of the additional symbols is at most 7.

8 . The base station of claim 7 , wherein the controller is further configured to transmit, to the terminal, a signal including information indicating at least one of whether a complementary sequence is transmitted or a mapping relationship between the complementary sequence and information included in the complementary sequence,

wherein the complementary sequence is located at samples from a first sample of the first slot for every 0.5 ms boundary to a sample before the additional symbol, or at a predetermined location based on the 0.5 ms boundary.

9 . The base station of claim 8 , wherein the controller is further configured to identify control information to be transmitted to the terminal, generate the complementary sequence corresponding to the control information, and transmit the complementary sequence.

10 . A terminal of a communication system, the terminal comprising:

a transceiver; and

a controller configured to:

identify a subcarrier spacing for a communication between a base station and the terminal,

receive, from the base station, a signal including information indicating at least one of whether an additional symbol is allocated or a number of additional symbols, wherein the number of additional symbols is based on the subcarrier spacing,

receive, from the base station, data allocation information for mapped data, and

receive, from the base station, the mapped data on the additional symbol based on the data allocation information,

wherein the additional symbol is allocated to a predetermined part of a first slot for every 0.5 ms boundary,

wherein in case that the subcarrier spacing is 15×2 n kHz and n is 8, the number of the additional symbols is at most 1,

wherein in case that the subcarrier spacing is 15×2 n kHz and n is 9, the number of the additional symbols is at most 3, and

wherein in case that the subcarrier spacing is 15×2 n kHz and n is 10, the number of the additional symbols is at most 7.

11 . The terminal of claim 10 , wherein the controller is further configured to:

receive, from the base station, a signal including information indicating at least one of whether a complementary sequence is received or a mapping relationship between the complementary sequence and information included in the complementary sequence,

wherein the complementary sequence is located at samples from a first sample of the first slot for every 0.5 ms boundary to a sample before the additional symbol, or at a predetermined location based on the 0.5 ms boundary.

12 . The terminal of claim 11 , wherein the controller is further configured to:

receive, from the base station, the complementary sequence,

identify correlations between a plurality of sequences and the complementary sequence, and

identify control information corresponding to a sequence corresponding to the highest correlation among the identified correlations.