1、 The 6th Generation of Fixed Networks(F6G)-Space-Ground Integrated Optical Networks White Paper V1.1 State Key Laboratory of Information Photonics and Optical Communications(IPOC)Nov.4,2023 Abstract The trajectory towards the 6th generation of fixed networks(F6G)is forecasted to dramatically reshape

2、 the digital connectivity terrain,inaugurating a new era of space-ground integrated optical networks.This white paper ventures into the complexities of the inherent challengessuch as ensuring comprehensive coverage,robust survivability,seamless connectivity,advanced intelligence,and stringent securi

3、ty.It conducts an in-depth assessment of core requirements and cutting-edge technologies within five crucial domains:access,transport,networking,sensing,and display.Tackling these challenges directly,the document outlines strategies to attain all-encompassing coverage that overcomes geographic limit

4、ations,fortifies network resilience to withstand potential service interruptions,leverages Artificial Intelligence(AI)for anticipatory network governance,and maintains the integrity and confidentiality of a digital infrastructure thats growing increasingly exposed to threats.The white paper probes i

5、nto pioneering developments poised to surmount these obstaclesspanning from broadening access capabilities and refining transport protocols to optimizing networking configurations and enhancing sensing and display apparatus.Projected applications of F6G are set to be game-changers,offering round-the

6、-clock,global connectivity that catalyzes international engagement.The document forecasts the future influence of holographic communications,enabling profoundly immersive exchanges irrespective of distance;the harmonization of virtual and tangible realities,melding digital and physical realms;and th