Interpolation in digital modems. II. Implementation and performance Export

@article{citeulike:202438, abstract = {For pt.I, see ibid., vol.41, no.3, p.502-208 (1993). Properties of a specific class of interpolators that are based upon polynomials are discussed. Several implementations are described, one of which is particularly convenient in practical hardware. Simulations demonstrate that simple interpolators give excellent performance. In many cases, two-point, linear interpolation is adequate. If better performance is needed, classical four-point, third-order polynomials could be used. Better yet, a novel four-point interpolating filter with piecewise-parabolic impulse response can have performance superior to that of the standard cubic interpolator and still be implemented much more simply. The NCO-based control method presented in Part I is shown to be equivalent to a conventional phase locked loop and its operation is verified by simulation}, author = {Erup, L. and Gardner, F. M. and Harris, R. A.}, booktitle = {Communications, IEEE Transactions on}, citeulike-article-id = {202438}, citeulike-linkout-0 = {http://dx.doi.org/10.1109/26.231921}, citeulike-linkout-1 = {http://ieeexplore.ieee.org/xpls/abs_all.jsp?arnumber=231921}, doi = {10.1109/26.231921}, journal = {Communications, IEEE Transactions on}, keywords = {digital, interpolation, receiver, synchronization}, number = {6}, pages = {998--1008}, posted-at = {2005-05-18 10:42:31}, priority = {2}, title = {Interpolation in digital modems. II. Implementation and performance}, url = {http://dx.doi.org/10.1109/26.231921}, volume = {41}, year = {1993} }

TY - JOUR ID - citeulike:202438 L3 - citeulike-article-id:202438 N2 - For pt.I, see ibid., vol.41, no.3, p.502-208 (1993). Properties of a specific class of interpolators that are based upon polynomials are discussed. Several implementations are described, one of which is particularly convenient in practical hardware. Simulations demonstrate that simple interpolators give excellent performance. In many cases, two-point, linear interpolation is adequate. If better performance is needed, classical four-point, third-order polynomials could be used. Better yet, a novel four-point interpolating filter with piecewise-parabolic impulse response can have performance superior to that of the standard cubic interpolator and still be implemented much more simply. The NCO-based control method presented in Part I is shown to be equivalent to a conventional phase locked loop and its operation is verified by simulation IS - 6 JF - Communications, IEEE Transactions on EP - 1008 TI - Interpolation in digital modems. II. Implementation and performance VL - 41 T2 - Communications, IEEE Transactions on SP - 998 KW - digital KW - interpolation KW - receiver KW - synchronization AU - Erup, L AU - Gardner, FM AU - Harris, RA PY - 1993/// UR - http://dx.doi.org/10.1109/26.231921 ER -