Widespread satellite communication use and availability of advanced modulations and forward error correction coding

Charles Wang; Donald Olsen; Roger Heymann

doi:10.1117/12.618729

26 August 2005 Widespread satellite communication use and availability of advanced modulations and forward error correction coding

Charles Wang, Donald Olsen, Roger Heymann

Author Affiliations +

Proceedings Volume 5889, Satellite Data Compression, Communications, and Archiving; 58890B (2005) https://doi.org/10.1117/12.618729
Event: Optics and Photonics 2005, 2005, San Diego, California, United States

Abstract

GOES-R, planned for launch around 2012, is currently under development by the National Oceanic and Atmospheric Administration (NOAA) of the United States. It will be the first in a new series of geostationary (GEO) environmental satellites to provide greater capabilities for weather, atmosphere, climate, and ocean monitoring. All the onboard sensors together may generate a combined raw sensor data rate of as much as 200 Mbps on the downlink, while the global rebroadcast data rate to the users after ground compression may be as much as 32 Mbps. To transmit such a high data rate through a channel of limited bandwidth, the adoption of a high-order modulation, such as QPSK, 8PSK, or 16QAM, is necessary. As a result, much higher transmit power than that for the binary modulation is needed in order to achieve the required bit error rate, which is particularly stringent for GOES-R due to the needed protection to the compressed data. Thus, the forward error correction (FEC) coding, which is a technique that can provide significant improvement of power efficiency, becomes crucial for GOES-R. This paper presents various methods of combining high-order modulations and FEC codes. We have proposed a baseline code waveform for GOES-R, which can satisfy both bandwidth and power efficiency requirements. In this paper, we also assess other commercially available code waveforms and compare their performances with that of our baseline waveform.

Citation Download Citation

Charles Wang, Donald Olsen, and Roger Heymann "Widespread satellite communication use and availability of advanced modulations and forward error correction coding", Proc. SPIE 5889, Satellite Data Compression, Communications, and Archiving, 58890B (26 August 2005); https://doi.org/10.1117/12.618729

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