paper 150205125058

Abstract

This paper addresses the subject of the satellite payload signal transmission and the digital-microwave link. Usually, the carrier modulation data transmitter (DT) employs in-phase (I) and quadrature-phase (Q) processing to achieve phase shift keying (M-PSK). Typically, this I/Q processing is obtained by multiplying a low-frequency reference signal. Such systems usually have many stages of multipliers, amplifiers and filters. As a result the microwave transmitter is complicated, bulky and costly. The results presented are based on a photonic circuit that achieves QPSK modulation directly at the microwave frequency carrier. The QPSK modulation was performed using a carrier frequency of 2 GHz and 2 Mbps I/Q signal from a pattern generator using a photonic circuit with a pair of Mach-Zehnder optical modulators arranged in a parallel configuration. The source of the photonic circuit is a DFB diode laser with a wavelength equal to 1550 nm. The modulated optical signal direct detection comes from an InGaAs photo detector. The optical modulator circuit output can be directly connected to the high power amplifier (HPA) and the transmission antenna. The resulting system enables one to achieve a microwave data transmitter with a reduced mass and volume, further lowering power consumption. These achievements are very important for spacecraft engineering teams during the conception of the satellite payloads when starting a new satellite project. Gamma radiation and thermal effects of the space environment are also discussed.

1. Yao, Jianping and J. P., "Microwave photonics," 1–2, August 2012.
doi:10.1109/iwem.2012.6320333 Google Scholar

2. Karafolas, Nikos, Josep Maria Perdigues Armengol, and Iain Mckenzie, "Introducing photonics in spacecraft engineering: ESA’s strategic approach," 1–15, March 2009.
doi:10.1109/aero.2009.4839438 Google Scholar

3. Ressia, J.H. and J.L. Peck, "Fiber optics demonstrated use in space vehicles," International Conference on Recent Advances in Space Technologies, 2003. RAST ’03. Proceedings of, 321–324, 2003.
doi:10.1109/rast.2003.1303929 Google Scholar

4. Sotom, Michel, Michel Maignan, Benoît Benazet, and Jacques Berthon, "Optical distribution of local oscillators in future telecommunication satellite payloads," Vol. 554, 73, November 2017.
doi:10.1117/12.2308029 Google Scholar

5. Ippolito, Jr, L. J. and Satellite Communications Systems Engineering: Atmospheric Effects and Satellite Link Design and System Performance and Vol. 6, , 2008. Google Scholar

6. Bokulic, R. S., C. C. DeBoy and S. W. Enger and J. P. Schneider and J. K. McDermott, R. S., 2011. Google Scholar

7. Tosetto, Ivan, Lucio Cividanes, Bruno Santos, and Luciano Silva, "Transmissor QPSK em Banda X para Aplicação Espacial," Anais do XXV Simpósio Brasileiro de Telecomunicações, 2007.
doi:10.14209/sbrt.2007.31277 Google Scholar

8. Jemison, W.D., A.J. Kreuzberger, and E. Funk, "Microwave photonic vector modulator for high-speed wireless digital communications," IEEE Microwave and Wireless Components Letters, Vol. 12, No. 4, 125–127, April 2002.
doi:10.1109/7260.993289 Google Scholar

9. Jiang, Wen-Jr, Chun-Ting Lin, Chung-hung Ho, Chia-Chien Wei, Po-Tsung Shih, Jason (Jyehong) Chen, and Sien Chi, "Photonic vector signal generation employing a novel optical direct-detection in-phase/quadrature-phase upconversion," Optics Letters, Vol. 35, No. 23, 4069, November 2010.
doi:10.1364/ol.35.004069 Google Scholar

10. Loayssa, A. and D. Benito, "All-optical implementation of broadband QPSK subcarrier modulator," Electronics Letters, Vol. 40, No. 21, 1362–1364, October 2004.
doi:10.1049/el:20045612 Google Scholar

11. Binh, Le Nguyen, "Generation and transmission of multilevel quadrature amplitude modulation formats using only one optical modulator: MATLAB Simulink simulation models," Optical Engineering, Vol. 48, No. 4, 045005, April 2009.
doi:10.1117/1.3102513 Google Scholar

12. Coward, J.F., C.H. Chalfant, and P.H. Chang, "A photonic integrated-optic RF phase shifter for phased array antenna beam-forming applications," Journal of Lightwave Technology, Vol. 11, No. 12, 2201–2205, 1993.
doi:10.1109/50.257989 Google Scholar

13. Li, G.L. and P.K.L. Yu, "Optical intensity modulators for digital and analog applications," Journal of Lightwave Technology, Vol. 21, No. 9, 2010–2030, September 2003.
doi:10.1109/jlt.2003.815654 Google Scholar

14. Gnauck, A. H. and P. J. Winzer and, "Optical phase-shift-keyed transmission," Journal of Lightwave Technology, Vol. 23, No. 1, 115–130, January 2005.
doi:10.1109/jlt.2004.840357 Google Scholar

15. EESS, International Telecommunication Union (ITU) Handbook and 2011., , 2011. Google Scholar

16. TeichmanL. A. and B. A. Stein and and Part 1. No. NASA-L-16575 and, "NASA/SDIO Space Environmental Effects on Materials Workshop,". Google Scholar

17. Tobiska, W. K., The Space Environment. Space Mission Engineering: The New SMAD and Microcosm Press and 2011., W. K., 2011. Google Scholar

18. Maurer, R. H., M. E. Fraeman and M. N. Martin and D. R. Roth, , Vol. 28, No. 1, 2008. Google Scholar

19. Rashed, A. N. Z., "Speed performance degradation of electro-optic modulator devices by neutrons irradiations at high temperature effects,", 1-8, 2011. Google Scholar

Jognes Panasiewicz Junior

Gefeson Mendes Pacheco

Debora Maria Souza Morais