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Analysis of Various Parametric of RRC Filter for Successive Interference Cancellation in WCDMA


Affiliations
1 Department of Electronics & Communication Engineering, Dr.B.R. Ambedkar National Institute of Technology, Jalandhar, Punjab, India
2 Department of Physics, Dr.B.R. Ambedkar National Institute of Technology, Jalandhar, Punjab, India
3 Department of Electronics & Communication Engineering, Shiv Shankar Institute of Technology, Patti, Punjab, India
     

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Wide Code Division Multiple Access (WCDMA) offers global mobile multimedia communication capabilities by supporting high bandwidth and data rate up to 2 Mbps at chip rate of 3.84 Mcps and 5 MHz bandwidth. But the performance of the WCDMA system is degraded with various factors such as Interference, fading and scattering. The work in this paper analyzed the effect of Zero Forcing Successive Interference Cancellation (ZF-SIC) for quadrature phase shift keying (QPSK) and binary phase shift keying (BPSK) in WCDMA system. The ZF-SIC scheme is less complex and gives better performance as compared to other interference cancellation schemes. The ZF-SIC scheme is analyzed at the varying values of various parameters of Root Raised Cosine (RRC) filter. The results are obtained in terms of improvement in the Bit error rate (BER) at different values of signal to noise ratio (SNR). The simulation results indicated significant improvement in the signal quality of WCDMA system.

Keywords

WCDMA, Interpolation Factor, Group Delay, Roll-Off Factor, RRC Filter, ZF-SIC.
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  • Analysis of Various Parametric of RRC Filter for Successive Interference Cancellation in WCDMA

Abstract Views: 208  |  PDF Views: 2

Authors

D. K. Patidar
Department of Electronics & Communication Engineering, Dr.B.R. Ambedkar National Institute of Technology, Jalandhar, Punjab, India
H. P. Singh
Department of Physics, Dr.B.R. Ambedkar National Institute of Technology, Jalandhar, Punjab, India
S. A. Khan
Department of Electronics & Communication Engineering, Shiv Shankar Institute of Technology, Patti, Punjab, India

Abstract


Wide Code Division Multiple Access (WCDMA) offers global mobile multimedia communication capabilities by supporting high bandwidth and data rate up to 2 Mbps at chip rate of 3.84 Mcps and 5 MHz bandwidth. But the performance of the WCDMA system is degraded with various factors such as Interference, fading and scattering. The work in this paper analyzed the effect of Zero Forcing Successive Interference Cancellation (ZF-SIC) for quadrature phase shift keying (QPSK) and binary phase shift keying (BPSK) in WCDMA system. The ZF-SIC scheme is less complex and gives better performance as compared to other interference cancellation schemes. The ZF-SIC scheme is analyzed at the varying values of various parameters of Root Raised Cosine (RRC) filter. The results are obtained in terms of improvement in the Bit error rate (BER) at different values of signal to noise ratio (SNR). The simulation results indicated significant improvement in the signal quality of WCDMA system.

Keywords


WCDMA, Interpolation Factor, Group Delay, Roll-Off Factor, RRC Filter, ZF-SIC.