An on-board (satellite) processing system which receives an input frequency-division multiple-access signal and supplies an output to interface the time-division multiplexed links is considered. The system separates each individual radio channel, its demodulation, and its correct switching to the appropriate downlink channel. An appropriate name for the on-board processing system performing the first two operations is the multicarrier demodulator (MCD). Two main functions are implemented by an MCD: demultiplexing and demodulation. The focus is on a digital implementation of the MCD, because it offers several advantages such as flexibility, VLSI integrability, and better efficiency.
A simplified I-Q digital multicarrier demodulator / E. Del Re;R. Fantacci. - STAMPA. - (1989), pp. 1060-1064. (Intervento presentato al convegno IEEE International Conference on Communications, ICC'89 World Prosperity Through Communications) [10.1109/ICC.1989.49846].
A simplified I-Q digital multicarrier demodulator
DEL RE, ENRICO;FANTACCI, ROMANO
1989
Abstract
An on-board (satellite) processing system which receives an input frequency-division multiple-access signal and supplies an output to interface the time-division multiplexed links is considered. The system separates each individual radio channel, its demodulation, and its correct switching to the appropriate downlink channel. An appropriate name for the on-board processing system performing the first two operations is the multicarrier demodulator (MCD). Two main functions are implemented by an MCD: demultiplexing and demodulation. The focus is on a digital implementation of the MCD, because it offers several advantages such as flexibility, VLSI integrability, and better efficiency.File | Dimensione | Formato | |
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