V.N. Bondarenko1, A.V. Luferchik2

1 Siberian federal university (Krasnoyarsk, Russia)

2 JSC «NPP «Radiosvyaz» (Krasnoyarsk, Russia)

1 VBondarenko@sfu-kras.ru, 2 ccn@krtz.su

The study of the influence of phase noise on the noise immunity of reception is important for the development and improvement of communication and data transmission systems, such as:

phase noise is one of the main sources of signal quality degradation and reduction of noise immunity of communication systems. It can lead to distortion of the transmitted data, loss of synchronism, and even system failures;

with the development of technology and an increase in data transmission speed, the requirements for signal quality and noise immunity are becoming more stringent. The study of the influence of phase noise will help determine what measures need to be taken to ensure reliable and efficient operation of communication systems;

knowledge of the influence of phase noise on the noise immunity of the system allows us to develop new methods and algorithms for satellite modems of signals with phase and amplitude-phase modulation of the DVB-S2 standard for high-speed data transmission.

To investigate the analysis of the influence of the phase noise of the heterodyne on the noise immunity of receiving signals with phase and amplitude-phase modulation of the data exchange standard in DVB-S2 satellite networks.

As a result of computer modeling, it is shown that for an information speed of 34 Mbit/s or more, the requirements of the IESS-309 regulation for the phase noise level are clearly insufficient – energy losses of more than 10 dB. The recommended norms of phase noise, proposed on the basis of simulation results, for DVB-S2 standard signals are given.

The results obtained can be used in the development of satellite modems with phase and amplitude-phase modulation of the DVB-S2 standard for high-speed data transmission.

Bondarenko V.N., Luferchik A.V. Noise immunity of signals with phase and amplitude-phase modulation taking into account the phase noise of the heterodyne. Achievements of modern radioelectronics. 2023. V. 77. № 12. P. 96–103. DOI: https://doi.org/ 10.18127/j20700784-202312-12 [in Russian]

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