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Adaptive interference cancellation for power line carrier communication systems

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3 Author(s)
D. R. Morgan ; AT&T Bell Lab., Whippany, NJ, USA ; S. E. Craig ; G. H. Danielson

A new technique for adaptive interference cancellation is presented. It has the potential of providing cost-effective interference suppression, thereby freeing up the PLC (power line carrier) frequency band for future expansion of services. A general theory of adaptive cancellation for this application is presented with particular attention paid to several problem areas: error sensing, cancellation bandwidth, and circuit design. It is demonstrated that economical circuit designs that cover the entire PLC frequency band can be readily achieved. These low-level circuits in conjunction with existing PLC components offer a means for achieving high cross-bus attenuation at a significantly lower cost than conventional practice allows

Published in:

IEEE Transactions on Power Delivery  (Volume:6 ,  Issue: 1 )