Abstract
In this paper, we propose a low-complexity architecture for the implementation of adaptive IQ-imbalance compensation in quadrature zero-IF receivers. Our blind IQ-compensation scheme jointly compensates for IQ phase and gain errors without the need for test/pilot tones. The proposed architecture employs early-termination of the iteration process; this enables the powering-down of the parts of the adaptive algorithm thereby saving power. The complexity, in terms of power-down efficiency is evaluated and shows a reduction by 37-50% for 32-PSK and 37-58% for 64-QAM modulated signals.
Original language | English |
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Title of host publication | ISCAS 2006: 2006 IEEE International Symposium on Circuits and Systems, Proceedings |
Place of Publication | Piscataway, New Jersey |
Publisher | Institute of Electrical and Electronics Engineers (IEEE) |
Pages | 4995-4998 |
Number of pages | 4 |
ISBN (Print) | 0780393902, 9780780393905 |
Publication status | Published - 2006 |
Event | ISCAS 2006: 2006 IEEE International Symposium on Circuits and Systems - Kos, Greece Duration: 21 May 2006 → 24 May 2006 |
Other
Other | ISCAS 2006: 2006 IEEE International Symposium on Circuits and Systems |
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Country/Territory | Greece |
City | Kos |
Period | 21/05/06 → 24/05/06 |