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Performance of a wireless MC-CDMA system with an antenna array in a fading channel: reverse link

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2 Author(s)
Chan Kyu Kim ; Broadcasting Technol. Lab., Electron. & Telecommun. Res. Inst., Taejon, South Korea ; Yong Soo Cho

We propose a multicarrier code-division multiple-access (MC-CDMA) system employing an antenna array at the base station, and analyze the performance of the MC-CDMA system in a fading channel. An optimal beamformer not requiring explicit direction of arrival estimation or training signals is derived for the MC-CDMA system in the reverse link, and is shown to reduce interferences from other users significantly, thus increasing the system's user capacity. Also, it is shown that the MC-CDMA approach can achieve better performance than the direct-sequence CDMA approach when both approaches employ the code filtering technique for the antenna array

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Communications, IEEE Transactions on  (Volume:48 ,  Issue: 8 )