Frequency-division multiple access (FDMA) and single channel per carrier (SCPC) in the uplink and time-division multiplexing (TDM) in the downlink are employed in the system described. To interface FDMA in the uplink and TDM in the downlink, multicarrier demodulation (MCD) is required onboard the satellite. The operation of the onboard MCD is the separation of each individual channel and subsequent demodulation. The results, which concern onboard frequency demultiplexing and demodulation for low-bit-rate carriers, are constrained by the requirement that new-generation payloads could serve the stations already active in the INTELSAT Business System. A digital hardware design that implements an MCD that can process three channels at 4.4 Mb/s or 12 channels at 1.1. Mb/s is described. The test results confirm the MCD feasibility, and further improvements are expected from a semicustom implementation.

A MULTIRATE DIGITAL MULTICARRIER DEMODULATOR: DESIGN, IMPLEMENTATION AND PERFORMANCE EVALUATION / Ananasso, F.; Chiassarini, G.; DEL RE, Enrico; Fantacci, Romano; Rousset, D.; Saggese, E.. - In: IEEE JOURNAL ON SELECTED AREAS IN COMMUNICATIONS. - ISSN 0733-8716. - STAMPA. - 10:(1992), pp. 1326-1342.

A MULTIRATE DIGITAL MULTICARRIER DEMODULATOR: DESIGN, IMPLEMENTATION AND PERFORMANCE EVALUATION

DEL RE, ENRICO;FANTACCI, ROMANO;
1992

Abstract

Frequency-division multiple access (FDMA) and single channel per carrier (SCPC) in the uplink and time-division multiplexing (TDM) in the downlink are employed in the system described. To interface FDMA in the uplink and TDM in the downlink, multicarrier demodulation (MCD) is required onboard the satellite. The operation of the onboard MCD is the separation of each individual channel and subsequent demodulation. The results, which concern onboard frequency demultiplexing and demodulation for low-bit-rate carriers, are constrained by the requirement that new-generation payloads could serve the stations already active in the INTELSAT Business System. A digital hardware design that implements an MCD that can process three channels at 4.4 Mb/s or 12 channels at 1.1. Mb/s is described. The test results confirm the MCD feasibility, and further improvements are expected from a semicustom implementation.
1992
10
1326
1342
Ananasso, F.; Chiassarini, G.; DEL RE, Enrico; Fantacci, Romano; Rousset, D.; Saggese, E.
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Utilizza questo identificatore per citare o creare un link a questa risorsa: https://hdl.handle.net/2158/360665
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