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Performance analysis of a multistage MPIC in 16-QAM CDMA systems over multipath Rayleigh fading channels
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- Authors
- KyunByoung Ko, Dongseung Kwon, Daesoon Cho, Changeon Kang, Daesik Hong
- Issue Date
- 2003-04
- Citation
- Vehicular Technology Conference (VTC) 2003 (Spring), pp.2807-2811
- Publisher
- IEEE
- Language
- English
- Type
- Conference Paper
- Abstract
- In this paper, a multipath interference canceller (MPIC) of a code division multiple access (CDMA) signal at the RAKE receiver of the mobile unit is considered. An analytical method of 16-QAM CDMA systems using a MPIC is proposed over multipath Rayleigh fading channels. Furthermore, numerical results obtained by the proposed analysis show that a MPIC is required for 16-QAM CDMA systems in order to mitigate the defects of multipath interferences and effectively obtain the path diversity of the RAKE receiver. In addition, it is verified that the receiver with three or four stages MPIC is sufficient in practical system.
- KSP Keywords
- 16 quadrature amplitude modulation(16QAM), Analytical Method, CDMA systems, Code division Multiple Access(CDMA), Interference canceller, Mobile unit, Multipath Interference, Numerical results, Path diversity, Performance analysis, RAKE receiver