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Performance evaluation for asynchronous MC-CDMA systems with an effect of carrier-frequency offsets

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3 Author(s)
Kyunbyoung Ko ; Dept. of Electr. & Electron. Eng., Yonsei Univ., Seoul, South Korea ; Taeyoung Kim ; Daesik Hong

In this paper, asynchronous multicarrier-code division multiple access (MC-CDMA) systems with a carrier-frequency offset for the uplink is analyzed over multi-path fading channels. Moreover, SINR degradations caused by a carrier-frequency offset are evaluated. Derived and simulation results show that the performance of asynchronous MC-CDMA systems is sensitive to both the correlation among sub-carriers and the carrier-frequency offset. Furthermore, it is verified that a guard period is required for MC-CDMA systems in order to mitigate inter-symbol interference (ISI).

Published in:

Communications, 2003. ICC '03. IEEE International Conference on  (Volume:5 )

Date of Conference:

11-15 May 2003