http://dspace.daffodilvarsity.edu.bd:8080/handle/123456789/2034 2026-04-27T00:31:52Z 2026-04-27T00:31:52Z Union, International Telecommunication http://dspace.daffodilvarsity.edu.bd:8080/handle/123456789/2086 2019-06-22T07:18:10Z 2017-01-01T00:00:00Z

Reception of automatic dependent surveillance broadcast via satellite and compatibility studies with incumbent systems in the frequency band 1 087.7-1 092.3 MHz Union, International Telecommunication Automatic dependent surveillance (ADS) is a surveillance technique in which aircraft automatically provide, via a data link, data from the on-board navigation and position fixing systems, including aircraft identification, four-dimensional position (latitude, longitude, altitude and time) and additional data as appropriate. The technique is termed “automatic” because there is no intervention from the pilot or interrogation from terrestrial stations, and “dependent” because the data is dependent upon on-board systems such as global positioning system (GPS) and altimeter.Different ADS system types have been standardised within the International Civil Aviation Organisation (ICAO), such as terrestrial ADS-broadcast (ADS-B) and ADS-contract (ADS-C)1.A description of ADS-C and its operation via mobile-satellite systems can be found in Report ITU-R M.2396-0 ‒ Use of mobile-satellite service systems for flight tracking. In addition, another system, “MSS satellite-retransmitted ADS-B”, is also described in that Report.

2017-01-01T00:00:00Z Union, International Telecommunication http://dspace.daffodilvarsity.edu.bd:8080/handle/123456789/2085 2019-06-22T07:18:07Z 2017-01-01T00:00:00Z

Question 1/1: Policy, regulatory and technical aspects of the migration from existing networks to broadband networks in developing countries Union, International Telecommunication Access to affordable broadband networks, services, and applications can facilitate economic and social development, including national priorities to promote education, employment, public safety, health, and good governance, and therefore, to achieve the sustainable development goals as defined within the framework of the United Nations. The World Telecommunication Development Conference (WTDC-2014) in Dubai (United Arab Emirates) resolves to promote the availability, accessibility, reliability, and affordability of broadband infrastructure and services in developing countries by enabling ITU Members to develop national policy and implementation strategies based on careful evaluation of the supply and demand for broadband

2017-01-01T00:00:00Z