Research activities

Advanced Research Department was set up in 1983 as a structural unit of Concern “Sozvezdie”. The Department carries out fundamental research and R&D works within Concern’s main scientific fields.

• Multialternative joint signal detection and estimation against the noisy background and in the conditions of aprioristic uncertainty
• Multialternative signal detection and distinction against the noisy background and in the conditions of aprioristic uncertainty
• Optimal truncated consecutive signal detection and distinction against the noisy background and in the conditions of aprioristic uncertainty
• Modified optimal truncated consecutive statistical memoryless decision procedures in signal detection and distinction tasks against the noisy background and in the conditions of aprioristic uncertainty
• Search and detection of complicated wideband signals in radio technical systems 
• Adaptive digital algorithms for wideband signal processing in radio technical systems
• Optimal, quasioptimal and adaptive algorithms for signal reception in communication systems with pseudorandom frequency tuning
• Quality control for transmitting discrete information via radio communication channels
• Research on improvement of radio communication systems’ jam-resistance based of probabilistic temporal functional model in the conditions of electronic countermeasures
• Synthesis of optimal algorithms for multialternative signal detection and distinction against the additive Gaussian noise background with random time of discontinuous change in dispersion at the interval of signal transmission duration
• Analysis of optimal algorithms for multialternative signal detection and distinction against the additive Gaussian noise background with random time of discontinuous change in dispersion at the interval of signal transmission duration
• Analysis of jam resistance of typical radio communication systems with pseudorandom operational frequency readjustment
• Synthesis and analysis of performance of adaptive algorithms for signal detection with pseudorandom operational frequency readjustment
• Analysis of jam resistance of adaptive algorithms for signal demodulation with pseudorandom operational frequency readjustment
• Synchronization in communication systems with pseudorandom operational frequency readjustment
• Signal detection with pseudorandom operational frequency readjustment
• Jam resistance evaluation methods for radio communication systems with phase-shift keyed wideband signals
• Algorithms for adaptive digital filtration of noise-like signals against the background of narrowband noise and Gaussian noise
• Performance analysis and aspects of apparatus realization of algorithms for adaptive digital filtration
• Multialternative algorithms for detection, distinction and estimation of signal parameters in the conditions of aprioristic uncertainty with respect to statistical characteristics of signals and noise
• Analysis of generalized cyclical procedures for signal search based on semi-Markovian processes and directed graphs
• Synchronization in wideband communication systems

Advanced Research Department comprises two laboratories:

1. Laboratory of advanced methods of signal processing in radio technical systems
2. Digital signal processing laboratory

Concern “Sozvezdie” patents:

• Time division methods in network radio channels. RF patent № 2350024
• Mobile objects location definition method and device for its realization. RF patent № 2202102
• Radio signals direction finding method. RF patent №2262119
• Adaptive data transmission method and device in frequency hopping radio lines. RF patents № 2356167 and № 2356171