Title :
Performance analysis of a multistage MPIC in 16-QAM CDMA systems over multipath Rayleigh fading channels
Author :
Ko, Kyunbyoung ; Kwon, Dongseung ; Cho, Daesoon ; Kang, Changeon ; Hong, Daesik
Author_Institution :
Dept. of Electr. & Electron. Eng., Yonsei Univ., Seoul, South Korea
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.
Keywords :
Rayleigh channels; code division multiple access; diversity reception; error statistics; interference suppression; mobile radio; multipath channels; quadrature amplitude modulation; radio receivers; radiofrequency interference; CDMA; QAM CDMA systems; RAKE receiver; code division multiple access; multipath Rayleigh fading channels; multipath interference canceller; multistage MPIC; path diversity; Bit error rate; Broadcasting; Fading; Interference cancellation; Multiaccess communication; Multipath channels; Performance analysis; RAKE receivers; Telecommunications; Web and internet services;
Conference_Titel :
Vehicular Technology Conference, 2003. VTC 2003-Spring. The 57th IEEE Semiannual
Print_ISBN :
0-7803-7757-5
DOI :
10.1109/VETECS.2003.1208905
