Performance Evaluation of Data Modems for the Aeronautical Satellite Channel

Performance Evaluation of Data Modems for the Aeronautical Satellite Channel

Several modems and satellite subsystems were tested with the aid of an aeronautical channel simulation facility. The modems tested include a high-performance differential phase-shift keyed (DPSK) modem, a high-performance coherent phase-shift keyed (CPSK) modem, two hybrid voice-data modems, and a l...

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Veröffentlicht in:I.R.E. transactions on communications systems 1975-07, Vol.23 (7), p.695-705
Hauptverfasser: Salwen, H., Duncombe, C.
Format: Artikel
Sprache:eng
Schlagworte:
Aerospace electronics
Aerospace simulation
Aircraft
Analytical models
Costs
Degradation
Modems
Road transportation
Satellites
Testing
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container_title I.R.E. transactions on communications systems
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creator Salwen, H.
Duncombe, C.
description Several modems and satellite subsystems were tested with the aid of an aeronautical channel simulation facility. The modems tested include a high-performance differential phase-shift keyed (DPSK) modem, a high-performance coherent phase-shift keyed (CPSK) modem, two hybrid voice-data modems, and a lower performance CPSK modem. Data performance results are presented in the form of probability of bit error versus signal-to-noise density and signal-to-multipath ratios with Doppler spread as a parameter. Some tests were conducted with a hard limiting IF processor in cascade with the channel simulator to simulate satellite characteristics. The characteristics of the aeronautical-satellite channel simulator are also described. The discussion concludes with a general evaluation of the effect of aeronautical-satellite channel characteristics on modem performance, as derived from the simulation experiments.
doi_str_mv 10.1109/TCOM.1975.1092870
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0096-2244
1558-0857
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source IEEE Electronic Library (IEL)
subjects Aerospace electronics
Aerospace simulation
Aircraft
Analytical models
Costs
Degradation
Modems
Road transportation
Satellites
Testing
title Performance Evaluation of Data Modems for the Aeronautical Satellite Channel
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