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- W4385801098 abstract "In Japan, the downlink of the 5G system and the downlink of domestic satellite communication must share the same frequencies in the C-band. Therefore, satellite communication quality suffers from the interference from the 5G systems. In order to avoid this interference, 5G base stations are required to be installed about 100 km from the ground stations. providing satellite communication so that the received interference signals have much lower power than the received satellite signal. This separation distance complicates 5G service area design. The above problem of interference from 5G systems to other communication systems must be expected to occur worldwide. In this paper, as one example of solving 5G system interference, we propose an interference canceller to reduce the interference from 5G systems to satellite communication systems, which is the key problem in Japan. The proposal relies on 5G base Stations and ground station of satellite communication cooperating to cancel interference signals. We develop a canceller prototype that implements the basic concept of our proposal and evaluate it. The results confirm that the prototype decrease interference by over 20 dB. We confirmed that the communication quality of the satellite signal can be approximately the same as without interference signals from 5G base station. This means that even if the 5G base station is set close to the ground station, there is no significant drop in the quality of the satellite signal." @default.
- W4385801098 created "2023-08-15" @default.
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- W4385801098 creator A5081048272 @default.
- W4385801098 date "2023-06-01" @default.
- W4385801098 modified "2023-10-16" @default.
- W4385801098 title "A Basic Study on Cancelling Same Frequency Interference from 5G Systems to Other Systems by a Cooperative Control Network" @default.
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- W4385801098 doi "https://doi.org/10.1109/vtc2023-spring57618.2023.10199932" @default.
- W4385801098 hasPublicationYear "2023" @default.
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