Blind source separation based I/Q imbalance compensation
作者： M. Valkama , M. Renfors , V. Koivunen
DOI: 10.1109/ASSPCC.2000.882491
关键词: Source separation 、 Control theory 、 Adaptive filter 、 Blind signal separation 、 Signal 、 Digital signal processing 、 Low IF receiver 、 Compensation (engineering) 、 Interference (communication) 、 Electronic engineering 、 Engineering
摘要: All I/Q processing receivers for digital communications share the same problem of matching amplitudes and phases I- Q-branches. In practise, imbalances are unavoidable in analog front-end which results finite usually insufficient rejection image frequency band. This causes signal to appear as interference on top desired signal. We propose discuss blind adaptive source separation based imbalance compensation utilizing assumption instantaneous mixtures. The performance proposed structure using equivariant is examined both analytically through simulations. indicate that solution can offer adequate most communication applications.
sci-hub.se 参考文章(9)
A. Hyvarinen, A family of fixed-point algorithms for independent component analysis international conference on acoustics, speech, and signal processing. ,vol. 5, pp. 3917- 3920 ,(1997) , 10.1109/ICASSP.1997.604766
J.-F. Cardoso, B.H. Laheld, Equivariant adaptive source separation IEEE Transactions on Signal Processing. ,vol. 44, pp. 3017- 3030 ,(1996) , 10.1109/78.553476
J. Karhunen, E. Oja, L. Wang, R. Vigario, J. Joutsensalo, A class of neural networks for independent component analysis IEEE Transactions on Neural Networks. ,vol. 8, pp. 486- 504 ,(1997) , 10.1109/72.572090
J. Crols, M.S.J. Steyaert, Low-IF topologies for high-performance analog front ends of fully integrated receivers IEEE Transactions on Circuits and Systems II: Analog and Digital Signal Processing. ,vol. 45, pp. 269- 282 ,(1998) , 10.1109/82.664233
J.P.F. Glas, Digital I/Q imbalance compensation in a low-IF receiver global communications conference. ,vol. 3, pp. 1461- 1466 ,(1998) , 10.1109/GLOCOM.1998.776582
J.-F. Cardoso, Blind signal separation: statistical principles Proceedings of the IEEE. ,vol. 86, pp. 2009- 2025 ,(1998) , 10.1109/5.720250
J.K. Cavers, M.W. Liao, Adaptive compensation for imbalance and offset losses in direct conversion transceivers IEEE Transactions on Vehicular Technology. ,vol. 42, pp. 581- 588 ,(1993) , 10.1109/25.260752
M. Valkama, M. Renfors, Advanced DSP for I/Q imbalance compensation in a low-IF receiver international conference on communications. ,vol. 2, pp. 768- 772 ,(2000) , 10.1109/ICC.2000.853603
Li Yu, W.M. Snelgrove, A novel adaptive mismatch cancellation system for quadrature IF radio receivers IEEE Transactions on Circuits and Systems Ii: Analog and Digital Signal Processing. ,vol. 46, pp. 789- 801 ,(1999) , 10.1109/82.769786