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APPARATUS FOR SUB-CARRIER ALLOCATION IN MIMO OFDM MOBILE COMMUNICATION SYSTEM AND METHOD THEREOF
APPARATUS FOR SUB-CARRIER ALLOCATION IN MIMO OFDM MOBILE COMMUNICATION SYSTEM AND METHOD THEREOF
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机译:MIMO OFDM移动通信系统中子载波分配的装置及其方法
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摘要
An apparatus and a method capable of effectively allocating sub-carriers for a plurality of users and transmitting the sub-carriers to users through multiple antennas in an orthogonal frequency division multiplexing (OFDMA) mobile communication system are provided. A sub-carrier allocation method reduces transmission power by taking a desired bit rate and power budget into consideration. The sub-carriers are optimally allocated to each antenna, so that peak to average power ratio (PARR) is reduced and Quality of Service (QoS) is improved. The apparatus and the method are adaptable for multi-users and obtain space diversity gain through multiple antennas. IMAGE
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