Fdm/tdm transmultiplexer

Details Fdm/tdm transmultiplexer Fdm/tdm transmultiplexer

H - Electricity

04

J

363/12, 363/2, 3

H04J 4/00 (2006.01) G06F 17/14 (2006.01)

Patent

CA 1113618

FDM/TDM TRANSMULTIPLEXER ABSTRACT OF THE DISCLOSURE A FDM/TDM transmultiplexer uses sampling rate multi- plication to increase the sampling rate for time division multiplexed (TDM) to frequency division multiplexed (FDM) conversion and decrease the sampling rate for FDM to TDM conversion. The rate multiplication filters are realized digitally in order to exploit the computational advantage of Fast Fourier Transform (FFT) algorithm, and channel filtering is implemented by a single time-shared sixth-order elliptic digital recursive filter. A novel FFT processor and recursive filter are disclosed which may be used in the system.

315890

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