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Increasing noise immunity at selection information navigation with satellites GLONASS / GPS

Receiving data from board of satellite is an integral part of any navigation receiver. The data transfer speed for the GLONASS / GPS is 50 bit / s. Error-free receiving of information is a big problem the extremely because of a low level of the received signal. The receiving procedure of information functionally divided into two parts: hardware and software. That is made in the navigation receivers, manufactured by the company «Orizon-Navigation». In the hardware (the navigation correlator) are formed millisecond portions of demodulated signal. The software is restores the original information from the obtained readings . Way to implement this algorithm in the receivers company «Orizon-Navigation» is presented in this paper.

Assessment of the quality monitoring the signals of GNSS in the navigation receivers

The company «Orizon-Navigation» together with «Navis-Ukraine» specializes in the development of satellite navigation equipment and owns advanced technologies to create complex electronic systems. «Orizon-Navigation», offers a market of about 30 items of equipment for various applications in marine, aviation and land transport, telecommunications, geodesy.

Determining of integrity for the purposes of navigation

The given work describes integrity conception for navigation as one of the main requirement for aviation. It consists review of all available data sources used in the multisystem navigation receiver for provide integrity requirements. Based on integrity requirements RAIM algorithm for produced navigation receivers was developed and realized. Practically implementation of RAIM was shown as a test results.

Determining the integrity of navigation signal in a multi constellation navigation receiver SNA

This report examines the concept of integrity of navigation signals and its impact on equipment users of satellite navigation systems. The sources of data integrity for multi constellation receiver GALILEO / GPS / GLONASS / SBAS, developed by «Orizon-Navigation», and «KB Navis» in the framework of the implementation of the project Galileo were reviewed.

The using satellite navigation systems as the primary means of navigation on the accuracy of the coordinates is superimposed a number of requirements that can not be guaranteed throughout the entire session (positioning). Failures of satellite or terrestrial systems may lead to the fact that the navigation receiver will use the data which contain errors and calculate the coordinates of the level of accuracy in excess of allowable value for your application.

The integrated receiver GALILEO / GPS / GLONASS / SBAS equipment to create a «SAFETY of LIFE»

This report describes the main specifications and features of construction GNSS receivers to ensure the safety of life (Safety of Life) for use in applications that are critical to safety.

Receivers GNSS which are critical to security in general, are classified as «receivers to ensure the safety of life» (Safety of Life). The main characteristics of this type of receivers are reliability and ability to identify faults. Moreover, the receivers of this class are designed in such a way as to use all available information to detect possible errors and the subsequent prevention of end-users to take appropriate action.

Monitoring of SNA in the company «Navis-Ukraine»

The given work describes monitoring process organization for satellite navigation systems at the enterprise. It consists main tasks and aims, organizational framework and department's technique.

Company «Navis-Ukraine» with the «Orizon-Navigation» for many years been developing and manufacturing consumer equipment of satellite navigation systems GPS, GLONASS, SBAS. We are working on the system Galileo. Quite often in the development and production have a need to know the current status of the SNA. Information from other companies involved in monitoring, it is sometimes not enough, and test the equipment in any emergency situations based on these data it is impossible.

Equipment for DGNSS

Ukraine's policy on development and use of modern navigational aids aimed, among other things, the development of a differential service in the country. This policy is implemented in accordance with international requirements and trends, and involves the use of combined GLONASS / GPS.