This thesis is to explore a reasonable chi pink dazzle way to reduce the feedback information. The question is how to feedback channel information more effectively while the quality of the feedback information is almost not affected.Through research,this chi hair straightener thesis proposed a decision method on the subband size and the number of subbands used in information feedback in uplink.Based on this proposed method,UE could adjust the subband size in its side Lacoste Polo Shirts and the number of subbands to feedback information according to the Lacoste Shirts number of resource blocks in the set of subband S configured by eNodeB and certain mapping rules.Thereby,the subband size and the number of subbands to feedback information could be adjusted dynamicly.Then chi hair straightener selects certain subbands and feedback their information to eNodeB.The proposed method makes full use of the channel's frequency selectivity,and allocates wireless resource reasonably.The simulation results show that based on this method,the overhead of the information feedback could be reduced greatly while the system performance is almost not affected.
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