A Study on Interference Cancelling Receiver with Adaptive Blind CMA Array 


Vol. 27,  No. 4, pp. 330-335, Apr.  2002


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  Abstract

In the direct sequence code division mutiple access system, the problem of multiple access interference due to multiple access is generated. A interference cancelling receiver is used to solve this problem. The conventional interference cancelling receiver is structure of successive interference canceller using antenna array. In this structure, the difference of between method I and method II depends on updating weight vector. In this paper, the adaptive blind CMA array interference cancelling receiver using cost function of constant modulus algorithms is proposed to update weight vector at conventional structure. The simulation compared the proposed interference cancelling receiver with two conventional interference cancelling receivers by signal to interference ratio and bit error rate curve under additive white Gaussian noise environment. The simulation results show that the proposed receiver has about the gain of SIR of 1.5[dB] more than method I which is conventional receiver at SIR curve, and about the gain of SIR of 0.5[dB] more than method II. In BER curve, the proposed IC receiver about the gain of SNR of 2[dB] more than method I and about the gain of SNR of 0.5[dB] more than method II. Thus, the proposed interference cancelling receiver has the higher performance than conventional interference cancelling receivers.

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  Cite this article

[IEEE Style]

D. Woo and Y. Byun, "A Study on Interference Cancelling Receiver with Adaptive Blind CMA Array," The Journal of Korean Institute of Communications and Information Sciences, vol. 27, no. 4, pp. 330-335, 2002. DOI: .

[ACM Style]

Dae-Ho Woo and Youn-Shik Byun. 2002. A Study on Interference Cancelling Receiver with Adaptive Blind CMA Array. The Journal of Korean Institute of Communications and Information Sciences, 27, 4, (2002), 330-335. DOI: .

[KICS Style]

Dae-Ho Woo and Youn-Shik Byun, "A Study on Interference Cancelling Receiver with Adaptive Blind CMA Array," The Journal of Korean Institute of Communications and Information Sciences, vol. 27, no. 4, pp. 330-335, 4. 2002.

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pISSN : 1226 - 4717
eISSN : 2287 - 3880