A Phase Recovery and Amplitude Compensation Scheme for QPSK All Digital Receiver Using CORDIC Algorithm 


Vol. 35,  No. 12, pp. 1029-1034, Dec.  2010


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  Abstract

For All Digital QPSK receivers, a phase recovery scheme is required to fix the arbitrarily rotated I/Q quadrature signals due to the transmission path and clock mismatch between the transmitter and the receiver. The conventional Costas phase recovery loop scheme requires a separate AGC(Automatic Gain Control) to obtain the performance independent of input signal power. This paper proposes a simple scheme which separates the phase and amplitude of the input signal via CORDIC algorithm and performs the phase recovery and amplitude compensation simultaneously. The proposed scheme can considerably reduce the logic resources in hardware implementation, has been verified by C++ and Model Sim simulations.

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  Cite this article

[IEEE Style]

K. Seo and C. Kim, "A Phase Recovery and Amplitude Compensation Scheme for QPSK All Digital Receiver Using CORDIC Algorithm," The Journal of Korean Institute of Communications and Information Sciences, vol. 35, no. 12, pp. 1029-1034, 2010. DOI: .

[ACM Style]

Kwang-nam Seo and Chong-hoon Kim. 2010. A Phase Recovery and Amplitude Compensation Scheme for QPSK All Digital Receiver Using CORDIC Algorithm. The Journal of Korean Institute of Communications and Information Sciences, 35, 12, (2010), 1029-1034. DOI: .

[KICS Style]

Kwang-nam Seo and Chong-hoon Kim, "A Phase Recovery and Amplitude Compensation Scheme for QPSK All Digital Receiver Using CORDIC Algorithm," The Journal of Korean Institute of Communications and Information Sciences, vol. 35, no. 12, pp. 1029-1034, 12. 2010.

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pISSN : 1226 - 4717
eISSN : 2287 - 3880