Method for performing an adaptive modulation and coding scheme in mobile communication system
A method for performing an adaptive modulation and coding scheme in a mobile communication system. Including receiving a signal and selecting a modulation and coding scheme (MCS) level from an MCS subset of an MCS set considering information derived from the signal, by a mobile station. The MCS subset is selected in accordance with a service type related to the mobile station and the MCS subset is configured with one or more MCS levels, the MCS set is represented by 5 bits and the MCS subset is represented by 4 bits to indicate MCS value, respectively, and the 4 bits of the MCS subset is a part of the 5 bits of the MCS set.
1. A method for performing an adaptive modulation and coding (AMC) scheme in a mobile communication system, the method comprising:
receiving, by a mobile station, a signal; and
selecting, by the mobile station, a modulation and coding scheme (MCS) level from an MCS subset of an MCS set considering information derived from the signal;
wherein the MCS subset is selected in accordance with a service type related to the mobile station and the MCS subset is configured with one or more MCS levels,
the MCS set is represented by 5 bits and the MCS subset is represented by 4 bits to indicate MCS value, respectively, and
the 4 bits of the MCS subset is a part of the 5 bits of the MCS set.
2. The method according to claim 1 , wherein the MCS level represents a modulation scheme one of a quadrature phase shift keying QPSK, a 16 quadrature amplitude modulation QAM, and a 64 QAM.
3. The method according to claim 1 , wherein the MCS subset is configured with MCS levels of the QPSK and the 16 QAM.
4. The method according to claim 1 , wherein each of the MCS levels are mapped to different coding rates.
5. The method according to claim 1 , the service type defines an open-loop transmission and reception scheme of unicast traffic.
6. A mobile station for performing an adaptive modulation and coding (AMC) scheme in a mobile communication system, the mobile station is configured to:
receive a signal from; and
select a modulation and coding scheme (MCS) level from an MCS subset of an MCS set considering information derived from the signal,
wherein the MCS subset is selected in accordance with a service type related to the mobile station and the MCS subset is configured with one or more MCS levels,
the MCS set is represented by 5 bits and the MCS subset is represented by 4 bits to indicate MCS value, respectively, and
the 4 bits of the MCS subset is a part of the 5 bits of the MCS set.
7. The mobile station according to claim 6 , wherein MCS level represents a modulation scheme one of a quadrature phase shift keying QPSK, a 16 quadrature amplitude modulation QAM, and a 64 QAM.
8. The mobile station according to claim 6 , wherein the MCS subset is configured with MCS levels of the QPSK and the 16 QAM.
9. The mobile station according to claim 6 , wherein each of the MCS levels are mapped to different coding rates.
10. The mobile station according to claim 6 , the service type defines an open-loop transmission and reception scheme of unicast traffic.