H - Electricity – 04 – J
Patent
H - Electricity
04
J
363/19
H04J 3/02 (2006.01) H03H 17/04 (2006.01) H04B 1/66 (2006.01)
Patent
CA 1261084
ABSTRACT OF THE DISCLOSURE A method and apparatus for the transmission of time discrete signals between source and sink systems wherein a first signal x (n) is generated by the source system at a first sampling rate fi and a second time discrete signal y(m) is generated by a sink system at a second sampling rate fo-. The method is carried out by cyclically distributing the first time discrete signal to each of L filter groups at the first sampling rate fi. Each of the L filter groups comprises M filter elements which have their inputs connected to a common terminal and have the transfer function H?,m(zLM), where L and M are integers, ? is an integer 0, 1... L-1 corresponding to the filter group in which the filter element is located and m is an integer 0, 1... M-1 corresponding to the location of the filter element in its associated filter group. The first time discrete signal is filtered in each of the filter elements at a processing rate fi/L and the filtered signals stored in the filter elements. Thereafter, the stored outputs of the filter elements in each of the L filter groups are cyclically sampled at the second sampling rate fo and coupled to corres- ponding inputs of a summing element which generates a signal fo at its output equal to ? fi.
458818
Fetherstonhaugh & Co.
Marconi Communications Gmbh
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