Adaptive compensation of analog front-end I/Q mismatches in digital receivers
نویسندگان
چکیده
I and Q Channel phase and gain misniatches are of great concern in communications receiver design. In this paper we analyse the effects of I and Q channel mismatches and propose a lowcomplexity blind adaptive algorithm to minimize this problem. The proposed solution consists of two, 2-tap adaptive filters. arranged in Adaptive Noise Canceller (ANC) set-up, with the output of one cross-fed to the input of the other. The system works as a de-conelator eliminating I and Q mismatch errors.
منابع مشابه
Adaptive compensation of analog front-end I/Q mismatches in digital receivers - Circuits and Systems, 2001. ISCAS 2001. The 2001 IEEE International Symposium on
I and Q Channel phase and gain misniatches are of great concern in communications receiver design. In this paper we analyse the effects of I and Q channel mismatches and propose a lowcomplexity blind adaptive algorithm to minimize this problem. The proposed solution consists of two, 2-tap adaptive filters. arranged in Adaptive Noise Canceller (ANC) set-up, with the output of one cross-fed to th...
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تاریخ انتشار 2001