Performance analysis of asynchronous MC-CDMA systems with a guard period in the form of a cyclic prefix

This letter presents an analysis of asynchronous multicarrier code-division multiple-access (MC-CDMA) systems with a guard period (GP) in the form of a cyclic prefix over frequency-selective multipath fading channels, which results in closed-form bit-error rate performance. Furthermore, it confirms...

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Bibliographic Details
Published in:IEEE transactions on communications 2006-02, Vol.54 (2), p.216-220
Main Authors: KO, Kyunbyoung, PARK, Myonghee, HONG, Daesik
Format: Article
Language:English
Subjects:
Applied sciences
Asynchronous multicarrier code-division multiple access (MC-CDMA)
Bit error rate
Channels
Degradation
Exact sciences and technology
Exact solutions
Fading
Frequency diversity
frequency-selective multipath fading channels
guard period (GP)
Guards
Interference
Intersymbol interference
Mathematical analysis
Multiaccess communication
Multicarrier code division multiple access
OFDM
Performance analysis
Signal analysis
Systems, networks and services of telecommunications
Telecommunications
Telecommunications and information theory
Transmission and modulation (techniques and equipments)
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Summary:This letter presents an analysis of asynchronous multicarrier code-division multiple-access (MC-CDMA) systems with a guard period (GP) in the form of a cyclic prefix over frequency-selective multipath fading channels, which results in closed-form bit-error rate performance. Furthermore, it confirms that the frequency diversity of MC-CDMA systems is identical to the path diversity. The analytical approach proposed here is extended to the case without a GP. The derived analytical results show that a GP is required for MC-CDMA systems in order to mitigate not only the effect of intersymbol interference and intercarrier interference, but also the desired signal power degradation.
ISSN:0090-6778
1558-0857
DOI:10.1109/TCOMM.2005.863783