According to the CITIC Construction Investment Research Report, recently, the China Starnet GW constellation completed the first cross-polar in-orbit communication test. Research vessels such as the “Xuelong” achieved four-node two-way video connections between the north and south poles. The delay was less than 1 second, and the upstream and downstream peaks were about 30 Mbps. The entire data process did not go through overseas nodes, indicating that China's polar region communication has achieved full autonomy and control. Relying on the GW-A59/A2 multi-layer orbital layout, Ka-band broadband payload, and laser interstellar links, the test broke through the blind area where GEO satellites could not cover the polar region above 75°.
Zhitongcaijing · 1d ago
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According to the CITIC Construction Investment Research Report, recently, the China Starnet GW constellation completed the first cross-polar in-orbit communication test. Research vessels such as the “Xuelong” achieved four-node two-way video connections between the north and south poles. The delay was less than 1 second, and the upstream and downstream peaks were about 30 Mbps. The entire data process did not go through overseas nodes, indicating that China's polar region communication has achieved full autonomy and control. Relying on the GW-A59/A2 multi-layer orbital layout, Ka-band broadband payload, and laser interstellar links, the test broke through the blind area where GEO satellites could not cover the polar region above 75°.
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