METHOD AND APPARATUS FOR TRANSMISSION WITHIN A MULTI-CARRIER COMMUNICATION SYSTEM
A method and apparatus are provided for indicating to a communication unit a plurality of modulation and coding schemes (MCSs) to be utilized for communication. During a first MCS is determined for first resource blocks to be sent to a first remote unit or base station, and a second MCS is determined for a second resource block to be sent to the remote unit or base station. A message is transmitted indicating the first and the second MCS and also indicating the first resource blocks and the second resource block. Finally, a first PDU is transmitted to the remote unit or base station at a first time using the first MCS and the first resource blocks and a second PDU is transmitted to the remote unit or base station at the first time using the second MCS and the second resource block.
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12 . A method comprising the steps of:
determining a first quality index for first resource blocks;
determining a relative quality index for at least a second resource block, wherein the relative quality index is based on a quality of the at least second resource block relative to a quality of the first resource blocks;
transmitting a message indicating the first quality index and the relative quality index, wherein the message causes a receiver to determine a first modulation and coding scheme for the first resource blocks and a second modulation and coding scheme for the at least second resource block.
13 . The method of claim 12 wherein a number of bits used to represent the first quality index differs from a number of bits used to represent the relative quality index.
14 . The method of claim 12 wherein each resource block from the first resource blocks comprise a first plurality of subcarriers and the second resource block comprises a second plurality of subcarriers.
15 . The method of claim 12 wherein the first quality value/index is based on at least one of SNR, effective SNR, SINR, effective SINR, mutual information, MCS, or data rate.
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18 . An apparatus comprising:
logic circuitry performing the steps of:
determining a first quality index for first resource blocks;
determining a relative quality index for at least a second resource block, wherein the relative quality index is based on a quality of the at least second resource block relative to a quality of the first resource blocks; and
a transmitter transmitting a message indicating the first quality index and the relative quality index, wherein the message causes a receiver to determine a first modulation and coding scheme for the first resource blocks and a second modulation/coding scheme for the at least second resource block.
19 . The apparatus of claim 18 wherein each resource block from the first resource blocks comprises a first plurality of subcarriers and the second resource block comprises a second plurality of subcarriers.
20 . The apparatus of claim 18 wherein the first quality index is based on at least one of SNR, effective SNR, SINR, effective SINR, mutual information, MCS, or data rate.