Sat, 26 Jul 2008 06:05:41 BST CiteULike: dcastro's library [2022 articles] http://www.citeulike.org/user/dcastro/article/2782049 CiteULike.org en-gb Copyright © 2004-2008 citeulike.org http://www.citeulike.org/user/dcastro/article/2782049 <i>Communications, 1999. ICC '99. 1999 IEEE International Conference on, Vol. 3 (1999), pp. 1515-1520 vol.3.</i><br /><br />A new design method is presented for the design of PLL loop filters for carrier recovery, bit timing or other synchronization loops given phase noise spectrum and noise level. Unlike the conventional designs, our design incorporates a possible large decision delay and S-curve slope uncertainty. Large decision delays frequently exists in modern receivers due to, for example, a convolutional decoder or an equalizer. The new design also applies to coherent optical communications where delay in the loop limits the laser line width. We provide an easy to use complete design procedure for second order loops. We also introduce a design procedure for higher order loops for near optimal performance. We show that using the traditional second order loop is suboptimal when there is a delay in the loop, and also show large improvements, either in the amount of allowed delay, or the phase error variance in the presence of delay Near optimal PLL design for decision feedback carrier and timing recovery D Raphaeli O Yaniv doi:10.1109/ICC.1999.765466 Communications, 1999. ICC '99. 1999 IEEE International Conference on, Vol. 3 (1999), pp. 1515-1520 vol.3. 2008-05-09T23:56:05-00:00 1999 Communications, 1999. ICC '99. 1999 IEEE International Conference on 3 1515 1520 vol.3 design frequency pll time