Seizing the commanding heights of 6G, my country released the world's first 6G field test network breakthrough results

News on July 11: On July 10, the “Information Theory: Classics and Modernity” academic seminar hosted by the China Society of Communications and hosted by Beijing University of Posts and Telecommunications was held in Beijing. Relevant leaders from the Ministry of Industry and Information Technology, the Ministry of Science and Technology, China Communications Standards Association and other units, as well as many academicians and experts in related fields attended the meeting. The meeting focused on the theoretical breakthroughs made by Academician Zhang Ping of Beijing University of Posts and Telecommunications and his team in semantic information theory, key technologies of semantic communication, etc., and officially released the world's first field test network for 6G communication and intelligence integration (hereinafter referred to as "6G "Outfield Test Network") related information.

1. A team from Beijing University of Posts and Telecommunications published a paper "Mathematical Theory of Semantic Communication" in the Journal of Communications, revealing that the essential feature of semantic information is synonymity.

2. The paper establishes a semantic information theory framework, and the core concept is synonymous mapping.
3. Semantic information theory expands the theoretical limits of communication systems and becomes the guiding theory for modern semantic communication.

   

   1. Key technologies of semantic communication

Zhang Ping said that under the guidance of semantic information theory, the team proposed:

1. Semantic-based physical model
2. Intelligently simplified encoding transmission
3. Module Division Multiple Access

and many other representative semantic communication key technologies.

2. Field test network

The team built the world’s first field test network for 6G communication and intelligence integration. The trial network verified that semantic communication can achieve 6G transmission capabilities on 4G links.

3. Performance improvement

The semantic channel capacity has exceeded the Shannon limit, and the core basic indicators of communication (note: capacity, coverage, efficiency) have been improved by 10 times.

The above research results have formed a complete system, including:

• Basic theory
• Key technology
• Experimental verification

  

  Zhang Ping also said that the successful construction of the test network will provide great benefits to universities, scientific research institutes, etc. R&D institutions provide an environment for theoretical research and early verification of key technologies, lower the threshold for 6G research, form a full industry chain innovation environment that connects theory, technology, standards and applications, and promote cross-field innovation cooperation.

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