INTEGRATED 6G SATELLITE NETWORK
DOI:
https://doi.org/10.31891/2219-9365-2023-73-1-10Keywords:
multi-link satellite relay access, 6G information communication radio network, satellite technology, telecommunication routing node, non-terrestrial network platform, satellite pathAbstract
Technologies for building multi-link satellite relay access to information services to users who are usually beyond the reach of telecommunication radio systems with a direct relay architecture have been explored, which allows traditional services to provide their services to almost all users around the world, and is also useful for services such as global emergency notification and response to natural disasters. Methods have been developed to ensure universal and extended operational coverage of 6G radio information communication networks on a global scale using satellite technologies.
The possibilities of providing three-dimensional coverage by 6G ground stations due to integration with transit satellite networks for the expansion of wireless terrestrial services are considered. The peculiarities of the formation of direct connections for providing fixed and mobile communication services in the 6G network using satellite technologies have been studied. At the same time, the satellite network transmits user data and control signals in one tunnel, and user data processing can be carried out directly in the satellite network as a type of payload. Features of the application of 3D coverage for IoT technology in remote areas with limited deployment of ground base stations or without them are also considered. Because IoT sensor devices consume a small amount of power and are often in standby mode, they may require special support from the satellite network, such as special control commands to turn on the devices.
Design features of the structure of the network element and the architecture of the satellite part of the access network are determined to reduce the delay in each telecommunication routing node. Satellite networks used for interactive services such as voice and data are considered. In particular, a delay analysis is performed for HAPS and satellites, including both single-hop and multi-hop cases, which shows that the transmission of the signal over the non-terrestrial part of the network can provide lower delay than that achieved with the current HOL. At the same time, the advantage achieved depends on the height of the non-terrestrial network (NTN) platform and the distance between two points on the ground. It is also necessary to take into account some differences in the speed of the satellite path due to the movement of the satellite, which in the worst case will increase the delay in the transmission of user data. It has been determined that the delay performance can be improved if the ground station (or user) can see multiple satellites and subsequently select the one that minimizes the delay given the type of interface.