1. A method for configuring and managing a wireless communication system having a frequency band, the method comprising:
dividing the frequency band into a plurality of sub-bands, each sub-band comprising a plurality of sub-carriers;
operating a plurality of Adaptive Modulation and Coding (AMC) channels such that each AMC channel constitutes one or more sub-bands of the plurality of sub-bands;
puncturing the sub-carriers of at least one of the plurality of AMC channels according to a predetermined pattern resulting in a plurality of punctured sub-carriers; and
allocating one or more of the plurality of punctured sub-carriers to a diversity channel.', 'dividing the frequency band into a plurality of sub-bands, each sub-band comprising a plurality of sub-carriers;', 'operating a plurality of Adaptive Modulation and Coding (AMC) channels such that each AMC channel constitutes one or more sub-bands of the plurality of sub-bands;', 'puncturing the sub-carriers of at least one of the plurality of AMC channels according to a predetermined pattern resulting in a plurality of punctured sub-carriers; and', 'allocating one or more of the plurality of punctured sub-carriers to a diversity channel.

2. The method of claim 1, further comprising transmitting the plurality of AMC channels and the diversity channel together in one time slot.

3. The method of claim 1, wherein the wireless communication system is an orthogonal frequency division multiplexing (OFDM) system, and the method further comprises transmitting the plurality of AMC channels and the diversity channel together in one OFDM symbol interval.

4. The method of claim 1, further comprising the step of allocating a control channel for transmitting information on each of the sub-carriers constituting the diversity channel.

5. The method of claim 1, wherein the number of the plurality of AMC channels to which the diversity channel is allocated is inversely proportional to the number of terminals receiving the diversity channel.

6. The method of claim 5, wherein an increase in the number of the plurality of AMC channels to which the diversity channel is allocated causes a decrease in the number of sub-carriers punctured in each of the plurality of AMC channels.

7. A method for transmitting by a base station in a wireless communication system having a full frequency band comprising a plurality of sub-bands, each sub-band comprising a plurality of sub-carriers, the method comprising the steps of:
determining sub-carriers allocated to a diversity channel among sub-carriers of the plurality of sub-bands;
determining sub-carriers allocated to a plurality of Adaptive Modulation and Coding (AMC) channels such that each of the AMC channel includes at least one of the plurality of sub-bands and excludes the sub-carriers allocated to the diversity channel;
determining a modulation scheme and a coding scheme for each of the AMC channels using channel quality information (CQI) of a downlink received from each terminal; and
transmitting the AMC channels and the diversity channel together.', 'determining sub-carriers allocated to a diversity channel among sub-carriers of the plurality of sub-bands;', 'determining sub-carriers allocated to a plurality of Adaptive Modulation and Coding (AMC) channels such that each of the AMC channel includes at least one of the plurality of sub-bands and excludes the sub-carriers allocated to the diversity channel;', 'determining a modulation scheme and a coding scheme for each of the AMC channels using channel quality information (CQI) of a downlink received from each terminal; and', 'transmitting the AMC channels and the diversity channel together.

8. The method of claim 7, wherein the AMC channels and the diversity channel are transmitted together in one time slot.

9. The method of claim 7, wherein the wireless communication system is an orthogonal frequency division multiplexing (OFDM) system, and the AMC channels and the diversity channel are transmitted together in one OFDM symbol interval

10. The method of claim 7, further comprising the step of transmitting information on each of the sub-carriers constituting the diversity channel through a control channel

11. The method of claim 7, wherein the number of the AMC channels to which the diversity channel is allocated is inversely proportional to the number of terminals receiving the diversity channel

12. The method of claim 11, wherein an increase in the number of the AMC channels to which the diversity channel is allocated causes a decrease in the number of sub-carriers punctured in each AMC channel

13. A transmission apparatus of a base station in a wireless communication system that divides a full frequency band into a plurality of sub-bands, each sub-band comprising a plurality of sub-carriers, the apparatus comprising:
a diversity channel allocator for selecting predetermined sub-carriers from sub-carriers of the plurality of sub-bands, and allocating a diversity channel using the selected sub-carriers;
an Adaptive Modulation and Coding (AMC) channel allocator for allocating a plurality of AMC channels such that each of the AMC channels includes at least one sub-band among the plurality of sub-bands;
a controller for controlling the AMC channel allocator such that the AMC channel allocator determines sub-carriers allocated to the plurality of AMC channels except for the sub-carriers allocated to the diversity channel;
means for determining a modulation scheme and a coding scheme for each of the AMC channels using channel quality information (CQI) of a downlink received from each terminal; and
a transmitter for transmitting the AMC channels and the diversity channel together.', 'a diversity channel allocator for selecting predetermined sub-carriers from sub-carriers of the plurality of sub-bands, and allocating a diversity channel using the selected sub-carriers;', 'an Adaptive Modulation and Coding (AMC) channel allocator for allocating a plurality of AMC channels such that each of the AMC channels includes at least one sub-band among the plurality of sub-bands;', 'a controller for controlling the AMC channel allocator such that the AMC channel allocator determines sub-carriers allocated to the plurality of AMC channels except for the sub-carriers allocated to the diversity channel;', 'means for determining a modulation scheme and a coding scheme for each of the AMC channels using channel quality information (CQI) of a downlink received from each terminal; and', 'a transmitter for transmitting the AMC channels and the diversity channel together

14. The transmission apparatus of claim 13, wherein the transmitter transmits the AMC channels and the diversity channel together in one time slot

15. The transmission apparatus of claim 13, wherein the wireless communication system is an orthogonal frequency division multiplexing (OFDM) system, and the transmitter transmits the AMC channels and the diversity channel together in one OFDM symbol interval

16. The transmission apparatus of claim 13, further comprising means for transmitting information on each of the sub-carriers constituting the diversity channel through a control channel

17. The transmission apparatus of claim 13, wherein the number of the AMC channels to which the diversity channel is allocated is inversely proportional to the number of terminals receiving the diversity channel

18. The transmission apparatus of claim 17, wherein an increase in the number of the AMC channels to which the diversity channel is allocated causes a decrease in the number of sub-carriers punctured in each AMC channel

19. A method for receiving a channel by a terminal in a wireless communication system comprising a full frequency band having a plurality of sub-bands, each sub-band comprising a plurality of sub-carriers, the method comprising the steps of:
measuring channel quality of a downlink according to a predetermined rule to generate channel quality information (CQI) and transmitting the CQI to a base station;
receiving control information for separately demodulating each channel from a control channel in a wireless environment where the base station transmits a diversity channel and an Adaptive Modulation and Coding (AMC) channel together;
determining, based on the received control information, whether to receive the diversity channel or the AMC channel; and
if it is determined to receive the diversity channel or the AMC channel, demodulating the diversity channel or the AMC channel according to a modulation scheme and a coding scheme defined in the control information.', 'measuring channel quality of a downlink according to a predetermined rule to generate channel quality information (CQI) and transmitting the CQI to a base station;', 'receiving control information for separately demodulating each channel from a control channel in a wireless environment where the base station transmits a diversity channel and an Adaptive Modulation and Coding (AMC) channel together;', 'determining, based on the received control information, whether to receive the diversity channel or the AMC channel; and', 'if it is determined to receive the diversity channel or the AMC channel, demodulating the diversity channel or the AMC channel according to a modulation scheme and a coding scheme defined in the control information.

20. A reception apparatus of a terminal in a wireless communication system comprising a full frequency band having a plurality of sub-bands, each sub-band comprising a plurality of sub-carriers, the apparatus comprising:
a channel quality information (CQI) transmitter for measuring channel quality of a downlink according to a predetermined rule to generate CQI, and transmitting the CQI to a base station;
a control channel demodulator for receiving control information for separately demodulating each channel from a control channel in a wireless environment where the base station transmits a diversity channel and an Adaptive Modulation and Coding (AMC) channel together; and
data channel demodulator for, if there is a need to receive the diversity channel or the AMC channel, demodulating the diversity channel or the AMC channel according to a modulation scheme and a coding scheme defined in the received control information.', 'a channel quality information (CQI) transmitter for measuring channel quality of a downlink according to a predetermined rule to generate CQI, and transmitting the CQI to a base station;', 'a control channel demodulator for receiving control information for separately demodulating each channel from a control channel in a wireless environment where the base station transmits a diversity channel and an Adaptive Modulation and Coding (AMC) channel together; and', 'data channel demodulator for, if there is a need to receive the diversity channel or the AMC channel, demodulating the diversity channel or the AMC channel according to a modulation scheme and a coding scheme defined in the received control information.

21. An apparatus for configuring and managing a channel in a base station of a wireless communication system comprising a full frequency band having a plurality of sub-bands, each sub-band comprising a plurality of sub-carriers, the apparatus comprising:
dividing means for dividing the frequency band into a plurality of sub-bands, each sub-band comprising a plurality of sub-carriers;
operating means for operating a plurality of Adaptive Modulation and Coding (AMC) channels such that each AMC channel constitutes one or more sub-bands from the plurality of sub-bands;
controlling means for puncturing the sub-carriers of at least one of the plurality of AMC channels according to a predetermined pattern resulting in a plurality of punctured sub-carriers; and
channel allocating means for allocating one or more of the plurality of punctured sub-carriers to a diversity channel.', 'dividing means for dividing the frequency band into a plurality of sub-bands, each sub-band comprising a plurality of sub-carriers;', 'operating means for operating a plurality of Adaptive Modulation and Coding (AMC) channels such that each AMC channel constitutes one or more sub-bands from the plurality of sub-bands;', 'controlling means for puncturing the sub-carriers of at least one of the plurality of AMC channels according to a predetermined pattern resulting in a plurality of punctured sub-carriers; and', 'channel allocating means for allocating one or more of the plurality of punctured sub-carriers to a diversity channel.

22. A transmission apparatus of a base station in a wireless communication system that divides a full frequency band into a plurality of sub-bands, each sub-band comprising a plurality of sub-carriers, the apparatus comprising:
means for selecting predetermined sub-carriers from the plurality of sub-bands, and allocating a diversity channel using the selected sub-carriers;
means for allocating a plurality of AMC channels such that each of the AMC channels includes at least one sub-band of the plurality of sub-bands;
means for controlling the AMC channel allocating means such that the AMC channel allocating means determines sub-carriers allocated to the plurality of AMC channels except for the sub-carriers allocated to the diversity channel;
means for determining a modulation scheme and a coding scheme for each of the AMC channels using channel quality information (CQI) of a downlink received from at least one terminal; and
means for transmitting the AMC channels and the diversity channel together.', 'means for selecting predetermined sub-carriers from the plurality of sub-bands, and allocating a diversity channel using the selected sub-carriers;', 'means for allocating a plurality of AMC channels such that each of the AMC channels includes at least one sub-band of the plurality of sub-bands;', 'means for controlling the AMC channel allocating means such that the AMC channel allocating means determines sub-carriers allocated to the plurality of AMC channels except for the sub-carriers allocated to the diversity channel;', 'means for determining a modulation scheme and a coding scheme for each of the AMC channels using channel quality information (CQI) of a downlink received from at least one terminal; and', 'means for transmitting the AMC channels and the diversity channel together.

23. A reception apparatus of a terminal in a wireless communication system comprising a full frequency band having a plurality of sub-bands, each sub-band comprising a plurality of sub-carriers, the apparatus comprising:
means for measuring channel quality of a downlink according to a predetermined rule to generate CQI, and transmitting the CQI to a base station;
means for receiving control information for separately demodulating at least one channel from a control channel in a wireless environment in which a base station transmits a diversity channel and an Adaptive Modulation and Coding (AMC) channel together; and
means for, if there is a need to receive the diversity channel or the AMC channel, demodulating the diversity channel or the AMC channel according to a modulation scheme and a coding scheme defined in the received control information.', 'means for measuring channel quality of a downlink according to a predetermined rule to generate CQI, and transmitting the CQI to a base station;', 'means for receiving control information for separately demodulating at least one channel from a control channel in a wireless environment in which a base station transmits a diversity channel and an Adaptive Modulation and Coding (AMC) channel together; and', 'means for, if there is a need to receive the diversity channel or the AMC channel, demodulating the diversity channel or the AMC channel according to a modulation scheme and a coding scheme defined in the received control information.

24. A non-transitory computer-readable medium embodying instructions that, when executed by a processor, perform configuring and managing a wireless communication system having a frequency band, by steps comprising:
dividing the frequency band into a plurality of sub-bands, each sub-band comprising a plurality of sub-carriers;
operating a plurality of Adaptive Modulation and Coding (AMC) channels such that each AMC channel constitutes one or more sub-bands of the plurality of sub-bands;
puncturing the sub-carriers of at least one of the plurality of AMC channels according to a predetermined pattern resulting in a plurality of punctured sub-carriers; and
allocating one or more of the plurality of punctured sub-carriers to a diversity channel.', 'dividing the frequency band into a plurality of sub-bands, each sub-band comprising a plurality of sub-carriers;', 'operating a plurality of Adaptive Modulation and Coding (AMC) channels such that each AMC channel constitutes one or more sub-bands of the plurality of sub-bands;', 'puncturing the sub-carriers of at least one of the plurality of AMC channels according to a predetermined pattern resulting in a plurality of punctured sub-carriers; and', 'allocating one or more of the plurality of punctured sub-carriers to a diversity channel.

25. A non-transitory computer-readable medium embodying instructions that, when executed by a processor, perform transmitting by a base station in a wireless communication system having a full frequency band comprising a plurality of sub-bands, each sub-band comprising a plurality of sub-carriers, by steps comprising:
determining sub-carriers allocated to a diversity channel among sub-carriers of the plurality of sub-bands;
determining sub-carriers allocated to a plurality of Adaptive Modulation and Coding (AMC) channels such that each of the AMC channel includes at least one of the plurality of sub-bands and excludes the sub-carriers allocated to the diversity channel;
determining a modulation scheme and a coding scheme for each of the AMC channels using channel quality information (CQI) of a downlink received from each terminal; and
transmitting the AMC channels and the diversity channel together.', 'determining sub-carriers allocated to a diversity channel among sub-carriers of the plurality of sub-bands;', 'determining sub-carriers allocated to a plurality of Adaptive Modulation and Coding (AMC) channels such that each of the AMC channel includes at least one of the plurality of sub-bands and excludes the sub-carriers allocated to the diversity channel;', 'determining a modulation scheme and a coding scheme for each of the AMC channels using channel quality information (CQI) of a downlink received from each terminal; and', 'transmitting the AMC channels and the diversity channel together.

26. A non-transitory computer-readable medium embodying instructions that, when executed by a processor, perform receiving a channel by a terminal in a wireless communication system comprising a full frequency band having a plurality of sub-bands, each sub-band comprising a plurality of sub-carriers, by steps comprising:
measuring channel quality of a downlink according to a predetermined rule to generate channel quality information (CQI) and transmitting the CQI to a base station;
receiving control information for separately demodulating each channel from a control channel in a wireless environment where the base station transmits a diversity channel and an Adaptive Modulation and Coding (AMC) channel together;
determining, based on the received control information, whether to receive the diversity channel or the AMC channel; and
if it is determined to receive the diversity channel or the AMC channel, demodulating the diversity channel or the AMC channel according to a modulation scheme and a coding scheme defined in the control information.', 'measuring channel quality of a downlink according to a predetermined rule to generate channel quality information (CQI) and transmitting the CQI to a base station;', 'receiving control information for separately demodulating each channel from a control channel in a wireless environment where the base station transmits a diversity channel and an Adaptive Modulation and Coding (AMC) channel together;', 'determining, based on the received control information, whether to receive the diversity channel or the AMC channel; and', 'if it is determined to receive the diversity channel or the AMC channel, demodulating the diversity channel or the AMC channel according to a modulation scheme and a coding scheme defined in the control information.']