2025 The World’s First Quantum Encryption 5G Satellite Communication “Two Satellites and Three Networks” Integration Test is Completed
In 2025, China Telecommunication Research Institute successfully completed the world’s first quantum encryption 5G satellite communication “two stars and three networks” integration test.
IOT Cloud Platform January 2, 2025 latest quantum technology news, according to China Telecom Research Institute, recently, China Telecom Research Institute, Hefei National Laboratory, Jinan Quantum Technology Research Institute, China Telecom Co., Ltd. Satellite Communications Branch, University of Science and Technology of China, China Telecom Quantum Information Technology Group Co., Ltd., China Telecom Intelligent Network Technology Co., Ltd., Guoke Quantum Communication Network Co., Ltd. and other partners jointly carried out a fusion innovation test based on quantum satellites, high-throughput communication satellites and China Telecom cloud network integration large-scale scientific and technological innovation devices (referred to as: large-scale scientific and technological innovation devices), and completed the world’s first integrated 5G quantum encryption security communication application integrating quantum satellite key distribution capabilities and high-throughput satellite communication capabilities.
This experiment is based on the 5G experimental network of large scientific and technological innovation devices, the “Jinan No. 1” quantum micro-nano satellite, the “ChinaSat 26” and the “Asia-Pacific 6D” high-throughput communication satellites, to create a three-network integration application of 5G mobile communication network, quantum satellite key distribution network, and satellite broadband communication network, and for the first time realize quantum encrypted 5GVoNR voice calls, 5G messages and 5G data communications based on quantum satellite key distribution and high-throughput satellite return.
Through this experiment, it was verified that in scenarios where traditional land-based networks are unreachable, quantum satellites can be used for wide-area free-space quantum key distribution, and the online distribution capability of quantum keys for miniaturized ground stations and other equipment can be realized, thereby supporting 5G quantum encryption security satellite communication capabilities and improving 5G satellite communication data security transmission capabilities.
At the same time, communication satellite channels are used to solve problems such as the online issuance of measurement and control commands of quantum satellite ground stations and synchronous negotiation of application keys in areas where ground networks are unreachable, and to improve the commercialization capability of quantum satellite key distribution.
In the future, we will deepen the technical integration and application innovation of quantum satellites in the field of integrated space-ground communication, provide technical reserves and application models for the integrated space-ground quantum communication network, promote “quantum + network” to become a new driving force and new model for future industrial development, and continue to output power for China Telecom’s scientific and technological innovation.
The completion of the world’s first quantum encryption 5G satellite communication “two satellites and three networks” integration experiment marks an important step in the integration of quantum communication technology and 5G satellite communication technology. The following is a detailed introduction to the experiment.
Experimental background and significance
With the rapid development of information technology, quantum communication and 5G satellite communication technology have gradually become the new focus of global scientific and technological competition. Quantum communication has broad application prospects in the field of information security with its high security and high confidentiality.
And 5G satellite communication technology can achieve seamless coverage worldwide and provide high-speed and stable communication services for various application scenarios.
The integration of these two technologies can not only improve the security of communication, but also expand the coverage and application scenarios of communication.
The completion of the world’s first quantum encryption 5G satellite communication “two satellites and three networks” integration test not only verified the feasibility of quantum communication technology in the field of satellite communication, but also demonstrated the huge potential of quantum communication technology in improving the security of 5G satellite communication.
This is of great significance for promoting the industrialization and practical application of quantum communication technology and enhancing my country’s position in global scientific and technological competition.
Test Overview
1. Test Purpose
The main purpose of this test is to verify the application effect of quantum encryption technology in 5G satellite communication and to achieve the integration of quantum satellite key distribution and high-throughput satellite communication capabilities.
Through the test, it is expected to break through the limitations of traditional land-based networks and realize quantum encryption 5G communication based on quantum satellite key distribution and high-throughput satellite backhaul.
2. Test Participants
This test was jointly carried out by China Telecom Research Institute and a number of partners, including Hefei National Laboratory, Jinan Quantum Technology Research Institute, China Telecom Co., Ltd. Satellite Communications Branch, University of Science and Technology of China, China Telecom Quantum Information Technology Group Co., Ltd., China Telecom Intelligent Network Technology Co., Ltd., Guoke Quantum Communication Network Co., Ltd., etc. These partners have profound technical accumulation and rich practical experience in the fields of quantum communication, 5G satellite communication, cloud network integration, etc.
3. Experimental environment and facilities
The experiment is based on advanced facilities such as the 5G experimental network of large-scale scientific and technological innovation devices, the “Jinan No. 1” quantum micro-nano satellite, the “ChinaSat 26” and the “Asia-Pacific 6D” high-throughput communication satellites. These facilities provide strong technical support and guarantee for the experiment.
Experimental content and process
1. Experimental design
This experiment designed a three-network integration application solution of 5G mobile communication network, quantum satellite key distribution network, and satellite broadband communication network. Through this solution, quantum encrypted 5G communication based on quantum satellite key distribution and high-throughput satellite return is realized.
2. Experimental process
(1) Quantum satellite key distribution
During the experiment, quantum satellites are first used for wide-area free-space quantum key distribution. Through the quantum channel between the quantum satellite and the ground station, the online distribution of quantum keys is realized.
This step is a key link in quantum encryption communication and one of the core contents of the experiment.
(2) High-throughput satellite communication
Based on quantum key distribution, high-throughput satellites are used for communication. High-throughput satellites have strong communication capabilities and coverage, and can achieve seamless coverage worldwide. Through high-throughput satellites, quantum-encrypted 5G signals are transmitted to ground stations or user terminals.
(3) Triple-network integration application
During the experiment, the triple-network integration application of 5G mobile communication network, quantum satellite key distribution network, and satellite broadband communication network was also realized.
Through this application solution, 5G voice calls, 5G messages, and 5G data communications based on quantum encryption were realized.
This step not only verifies the application effect of quantum encryption technology in 5G satellite communications, but also demonstrates the huge potential of triple-network integration technology.
3. Experimental results
After many experiments and verifications, this experiment was a complete success. The experimental results show that it is feasible to use quantum satellites for wide-area free-space quantum key distribution, and it can realize the online distribution capability of quantum keys for miniaturized ground stations and other equipment.
At the same time, using high-throughput satellites for communication is also stable and reliable, and can realize 5G communication based on quantum encryption.
In addition, the three-network integration application solution has also achieved remarkable results, providing strong support for the future application of quantum encryption 5G satellite communications.
Experimental significance and impact
1. Technological breakthroughs and innovations
The success of this experiment marks an important breakthrough in the application of quantum encryption technology in the field of 5G satellite communications. Through the experiment, the huge potential of quantum encryption technology in improving the security of 5G satellite communications was verified. At the same time, it also demonstrated the application effect of three-network integration technology in quantum encryption 5G satellite communications. These technological breakthroughs and innovations provide strong support for the future application of quantum encryption 5G satellite communications.
2. Industrial development and application prospects
The success of this experiment will also have a profound impact on the development of quantum communication and 5G satellite communication industries.
On the one hand, with the continuous maturity and popularization of quantum encryption technology, more and more application scenarios will adopt quantum encryption technology to ensure information security.
On the other hand, the rapid development of 5G satellite communication technology will also provide more convenient and efficient communication services for various application scenarios.
Combining these two technologies will be able to promote the rapid development of quantum communication and 5G satellite communication industries and expand broader application prospects.
3. International competition and cooperation
The success of this experiment will also have an important impact on global scientific and technological competition. With the continuous development of quantum communication and 5G satellite communication technology, more and more countries and regions will join the competition in this field.
By strengthening international cooperation and exchanges, and jointly promoting the development and application of quantum communication and 5G satellite communication technology, it will help to improve the global scientific and technological level and innovation capabilities.
Future prospects and challenges
1. Technical challenges and solutions
Although this experiment was a complete success, there are still some technical challenges in the future application of quantum encryption 5G satellite communication. For example, the stability and reliability of quantum key distribution technology need to be further improved; the communication capacity and coverage of high-throughput satellites also need to be continuously optimized and expanded.
In response to these challenges, the following solutions can be adopted: First, strengthen technology research and development and innovation, and continuously improve the stability and reliability of quantum key distribution technology; second, strengthen the research and development and application of satellite communication technology, and improve the communication capacity and coverage of high-throughput satellites; third, strengthen international cooperation and exchanges, and jointly promote the development and application of quantum communication and 5G satellite communication technology.
2. Industry development trends and opportunities
In the future, with the continuous development of quantum communication and 5G satellite communication technology, quantum encryption 5G satellite communication applications will usher in a broader development prospect.
On the one hand, with the continuous maturity and popularization of quantum encryption technology, more and more application scenarios will adopt quantum encryption technology to ensure information security; on the other hand, the rapid development of 5G satellite communication technology will also provide more convenient and efficient communication services for various application scenarios.
These development trends will bring broader development space and opportunities for quantum encryption 5G satellite communication applications.
3. Policy support and supervision
In order to promote the rapid development of quantum encryption 5G satellite communication applications, the government should strengthen policy support and supervision in this field. On the one hand, relevant policy measures can be introduced to encourage enterprises to increase R&D investment and technological innovation; on the other hand, supervision in this field can be strengthened to ensure the legal and compliant application of technology.
The implementation of these policy measures and regulatory measures will help promote the rapid development and popularization of quantum encryption 5G satellite communication applications.
Conclusion
The completion of the world’s first quantum encryption 5G satellite communication “two satellites and three networks” integration test marks an important breakthrough in the application of quantum communication technology in the field of 5G satellite communication.
The success of this test not only verifies the huge potential of quantum encryption technology in improving the security of 5G satellite communication, but also demonstrates the application effect of three-network integration technology in quantum encryption 5G satellite communication.
In the future, with the continuous development of quantum communication and 5G satellite communication technology, quantum encryption 5G satellite communication applications will usher in broader development prospects and opportunities.
At the same time, governments and enterprises should also strengthen policy support and supervision in this field to promote the rapid development and popularization of quantum encryption 5G satellite communication applications.
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