Future mobile networks in the sixth generation(6G)are poised for a paradigm shift from conventional communication services toward comprehensive information services,driving the evolution of radio access network(RAN)ar...Future mobile networks in the sixth generation(6G)are poised for a paradigm shift from conventional communication services toward comprehensive information services,driving the evolution of radio access network(RAN)architectures toward enhanced cooperation,intelligence,and service orientation.Building upon the concept of centralized,collaborative,cloud,and clean RAN(C-RAN),this article proposes a novel cooperative,intelligent,and service-based RAN(CIS-RAN)architecture.Focusing on cooperation,CIS-RAN extends the traditional cooperative communication paradigm by further integrating cooperative sensing and cooperative artificial intelligence(AI).To improve both performance and effectiveness across diverse application scenarios,CIS-RAN enhances network cooperation throughout the entire process of acquisition,transmission,and processing,thereby enabling efficient information acquisition,diverse cooperative interactions,and intelligent fusion decision-making.Key technologies are discussed,with network cooperative multiple-input multiple-output(MIMO)examined as a case study,demonstrating superior performance over traditional architectures,as demonstrated by numerical results.Future research directions are outlined,emphasizing the continued exploration and advancement of the CIS-RAN architecture,particularly in enhancing network cooperation.展开更多
基金National Key R&D Program of China under Grant 2022YFB2902001。
文摘Future mobile networks in the sixth generation(6G)are poised for a paradigm shift from conventional communication services toward comprehensive information services,driving the evolution of radio access network(RAN)architectures toward enhanced cooperation,intelligence,and service orientation.Building upon the concept of centralized,collaborative,cloud,and clean RAN(C-RAN),this article proposes a novel cooperative,intelligent,and service-based RAN(CIS-RAN)architecture.Focusing on cooperation,CIS-RAN extends the traditional cooperative communication paradigm by further integrating cooperative sensing and cooperative artificial intelligence(AI).To improve both performance and effectiveness across diverse application scenarios,CIS-RAN enhances network cooperation throughout the entire process of acquisition,transmission,and processing,thereby enabling efficient information acquisition,diverse cooperative interactions,and intelligent fusion decision-making.Key technologies are discussed,with network cooperative multiple-input multiple-output(MIMO)examined as a case study,demonstrating superior performance over traditional architectures,as demonstrated by numerical results.Future research directions are outlined,emphasizing the continued exploration and advancement of the CIS-RAN architecture,particularly in enhancing network cooperation.
