AN AUTOMATED DECAMETER-BAND COMMUNICATIONS CHANNEL QUALITY ANALYZER

An automated communications system cannot be adapted to changing opera ting conditions without real-time information on the operational quali ty of the individual elements of the system: the radio channels. A qua lity analysis of a radio channel has two important purposes: to determ ine the fidelity of the received information and to identify trends in the state of the channel, i.e., to predict the state of the channel. Knowledge of the correctness of received information makes it possible to initiate tolerance testing of information exchange in a communicat ions channel (CC), and to employ this parameter to make a decision reg arding the suitability of the channel, to select an algorithm and init iate required control operations to restore and sustain communications quality at the required level. The identification and estimation of t rends in the state of communications channels, as well as predictions of such states in the immediate future make it possible to maintain th e characteristics of the communications at near the optimal level and to substantially improve the channel control effectiveness. This paper examines a block diagram of an automated decameter-band communication s quality control analyzer that uses code testing methods, as well as statistical prediction techniques.