Data services and data plane for 6G mobile communication network by Xueqiang YAN, Guanjie CHENG, Shuiguang DENG, Jianjun WU, Lu LU, Mingyu ZHAO, Yan XI, Chao LIU, Weiyuan LI, Lei FENG, Tong ZHANG

“…The existing communication network represented by 5G is used as a communication session data “pipeline”for information exchange between terminal devices and the network.Different from the point-to-point transmission of communication session data, the data generated and consumed by AI, sensing and network operations in 6G network needs to be collected, preprocessed, stored, and analyzed in a distributed manner.To this end, a data plane architecture independent of the traditional user plane was proposed to systematically solve the challenges of managing and monetization of the non-user-plane data for 6G mobile communication networks.The classification and characteristics of 6G network data and data services were identified and defined.Furthermore, based on the comparative analysis of the 5G user plane and the existing data-driven network architecture, a 6G data plane framework composed of two main components i.e.data orchestrator and data agent was proposed, and the data plane functional architecture was elaborated.In addition, three potential options for data forwarding control mechanisms were designed.These mechanisms can support on-path-packet processing within any topology of data pipelines, realizing the construction and maintenance of dynamic programmable data pipeline and the thorough separation of routing algorithms and data forwarding.…”
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Research on Network Architecture for the Space-Integrated-Ground Information Network in 6G by Hui XU, Shaohui SUN

“…The requirements and the fl exible and reconfi gurable network architecture for the space-integrated-ground information network was proposed based on analyzed the 6G network vision and challenges faced by the space-integrated-ground information network.Based on the proposed network architecture, the intelligent network management and control architecture and the virtualization technology of the space-integrated-ground information network were proposed to realized the dynamic confi gurability of the network.…”
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Research on architecture of novel programmable networks for 6G by Xuliang WANG, Shuo QUAN, Zengyi LIU, Jun ZHANG

“…Starting from the industry’s various business scenarios for 6G networks, and the dynamic network capability adjustment requirements for 6G network equipment were deeply analyzed.A programmable network platform architecture with the characteristics of closed-loop self-optimization based on network state management was proposed.Through this architecture design, the existing technology systems related to SDN, NFV, and network AI can be maximized and network administrators can perform network lifecycle management based on network status statements.This platform can provide a new technical realization idea and method for the digital twin network and on-demand network in the future.…”
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Access and mobility management technologies for 6G satellite communications network by Xiaowen WU, Xiang LING, Lidong ZHU, Zhenfeng JIAO, Jian CHENG, Bo YANG

“…Analsisand outlook for satellite communication access and mobility management technology in 6G network was presented.Firstly, the access technology of current global representative satellite mobile communications system was introduced, as well as the international standardization organization research status of 5G NR satellite access technology.According to the challenges for 6G satellite communications network access, some solutions regarding to 6G satellite communications access were proposed respectively from the aspects of extremely simple access, extremely intelligent access.Furthermore, according to the demand of massive terminals handoff in the high dynamic scenario of 6G satellite communications, the flexible handoff scheme based on cloud channel technology, which supported batch massive terminals mobility management for across satellites and beams, was proposed.…”
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Information freshness orientated wireless network design for 6G by Ke XIONG, Huimin HU, Bo AI, Yu ZHANG, Li PEI

“…The development of the Internet of things has led to the deployment and application of various real-time monitoring systems (such as intelligent driving) and status update systems (such as industrial control).For the above systems,the freshness of information is particularly important.If the destination receives outdated information,it may reduce the accuracy and reliability of the system’s decision-making and cause severe security risks.In the future 6G network,the freshness of information will become increasingly important for information update applications.In order to characterize the freshness of information effectively,the academic world has proposed the concept of age of information (AoI).Recently,AoI has quickly become a new performance index and research hotspot of wireless systems.Firstly the research history of information age was reviewed.Then,the key issues of AoI introduced in different network models (such as single-user networks,single-hop networks,and multi-user networks) were analyzed.Finally the future research trend was prospected.…”
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Research on Routing Optimization in Satellite Internet Based on Deep Reinforcement Learning by Linhui WEI, Guowen LIU, Yu LIU, Yumei WANG

“…With the rapid development of satellite communication, the satellite internet is one of the core technologies of 6G network to realize global coverage, full-time access and full scene service.The high dynamics and limited capacity of satellite network lead to a series of management and control challenges such as heterogeneous network management, dynamic resource allocation and so on.Since the machine learning-based technologies have strength in network design, the intelligent architecture of software-defi ned satellite internet was put forward.In view of the intelligent routing in satellite internet, and leverages the deep reinforcement algorithm based on double delayed deep deterministic policy gradient (TD3) to solve the network routing optimization problem.The experimental results showed that compared with DDPG algorithm, the TD3 algorithm reduced the delay by 19.19%.…”
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Analysis and suggestions on inter-satellite laser communication of satellite Internet by Shanzhi CHEN, Zhiwen FAN, Jiade JIN, Yun CAO

“…Satellite communication and terrestrial mobile communication have strong complemented co-benefits.Satellite Internet is the hot spot supporting current industrial development and an important part of the future 6G network.Global coverage requires interstellar networking, but inter-satellite communication bandwidth requirements and the instability brought by the free space channel pose new challenges to the space bearer network.Inter-satellite communication technologies and link interface technologies were compared and analyzed.An optical transport network (OTN) carrier network solution based on inter-satellite laser was proposed, which could fully leverage the advantages of the maturities and the economies of the scaled ground optical communication.It constructs a satellite-terrestrial integrated network with strong cost-efectivity, compatibility, and scalability.Finally, the technological directions and evolutions of the inter-satellite laser communication were discussed, and suggestions for industrial development in China were proposed.…”
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Key technologies of symbiotic transmission for 6G Internet of things by Mingjiang WU, Xianfu LEI, Li LI, Xiaohu TANG

“…mMTC (massive machine-type communication) is one of the three major application scenarios of 5G network,but it is highly likely that the truly mature Internet of everything may not be realized until the future 6G network.In order to realize the deep immersive ubiquitous connection network,6G IoT will simultaneously provide all-round services such as high data rate,low latency,high reliability and massive connections.Firstly,the 6G was prospected and the technical challenges of 6G IoT were summarized.Then the existing physical layer transmission technologies of IoT were reviewed.Next,the promising symbiotic transmission technologies for 6G IoT were introduced and discussed,which enable the possibility that active transmission and passive transmission facilitates each other and provide a new solution for 6G IoT transmission.Finally,some possible future research directions were presented for symbiotic transmission in 6G IoT.…”
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Three-three-three network architecture and learning optimization mechanism for B5G/6G by Jinkang ZHU, Mingyang CHAI, Wuyang ZHOU

“…Aiming at the problem that the future B5G/6G network is a complex intelligent network with large connections, coupled with the comprehensive application of 3G, 4G, 5G and even 6G, the future networks will inevitably become extremely complex, a three-three-three network architecture was proposed that was a network that includes three types of networks (core network, access network and terminal network), three resources (frequency band, power and time consumptions) and three requirements (active, work and service), which was a three-dimensional comprehensive optimization system architecture, referred to as the three-three-three network.Furthermore, the mathematical basic formulas of the three-dimensional complex network were analyzed, the knowledge + data-driven learning model and the optimization method of intelligent processing using the knowledge learning mechanism were presented.Finally, the numerical example and reachable performance of the three-three-three network were given.Those results demonstrate that the proposed network architecture and the learning optimization mechanism are beneficial for designing future large-connected complex intelligent networks.…”
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Computing native network (CNN) technology and application driven by joint communication ＆ computing (JC＆C) by Jie SUN, Leiming MA, Aidong YANG, Xiaozhou YE, Peng LYU, Zhigang WANG, Ye OUYANG

“…The global telecom industry is carrying out research and exploration of potential 6G technical architectures and key techs, of which it has become a consensus in the industry to further realize the vision of 6G smart inclusion by better enabling all new 6G network technologies and services through joint communication ＆amp; computing (JC＆amp;C).Therefore, how to realize the deep integration and real-time collaboration of communication and computing to meet the needs of ultra-low latency and real-time response of new services in dynamic and complex network environments has become the challenge and key of JC＆amp;C.A computing native network (CNN) driven by JC＆amp;C was proposed, which realized the decoupling of communication and computing of base station or multiple base stations, computing pooling and intelligent JC＆amp;C scheduling through computing time division multiplexing and intelligent JC＆amp;C scheduling, thus realizing the base station to support communication and computation services simultaneously.The technology has been technically verified and piloted, and the experimental and pilot results demonstrate that CNN can effectively improve the computing utilization rate of wireless networks and realize the base station to support communication and computing services simultaneously, facilitating the evolution of 6G JC＆amp;C.…”
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Location services and technologies of 5G-Advanced network by Ming AI, Yunjing HOU, Runze ZHOU, Mao CAI

“…The Release15 (Rel-15) of the 5G standard developed by 3GPP only supports the location service requirements of emergency services.The standardization of 5G location service network architecture, network element functions, end-to-end process design, positioning reference signals, measurement quantities, measurement processes, etc, has been completed in Rel-16, which is the complete version of location services that supporting business scenarios.In Rel-17, further reduction of the location service delay and improving the positioning accuracy are achieved.The 3GPP will start Rel-18 location service and positioning study in 2022, which mainly includes further improving positioning performance index, such as lower delay, and lower power and higher accuracy positioning, and further expanding positioning functions, such as supporting sidelink positioning, user plane positioning and UE (user equipment) location verification optimization of satellite access scenarios.Based on the introduction of the status of Rel-15/Rel-16/Rel-17 location services, some potential key technologies for realizing Rel-18 location services were put forward and analyzed.Then, the summary that the positioning requirements of 6G network are higher accuracy support the positioning of higher speed scenarios and support more vertical industries and scenarios was pointed out.Artificial intelligence and terahertz communication will become potential key technologies to realize 6G higher accuracy location services.…”
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Bidirectional measurement differential positioning method for LEO communication satellites by WANG Xinyang, ZHAO Yafei, LI Jinkang, PENG Mugen

“…In non-terrestrial network, leveraging resources such as satellite-to-earth links, satellite payloads, and ground terminals of low earth orbit (LEO) communication satellites to achieve positioning calculations is one of the important technical means for realizing the integration of sensing and communication in future 6G network. In scenarios such as direct-to-handset satellite, terminal designs were often configured to communicate with only one satellite, making the exploration of single-satellite positioning methods of urgent significance. …”
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Standardization for 5G technology and beyond: impact on military communications by Zoran M. Miličević, Zoran S. Bojković, Nataša Z. Bojković, Tanja M. Živojinović

“…It analyzes the areas of major enhancements for the existing features and expansion to new use cases and industries as well as to military usage through the 3GPP Releases, starting from Release 15 as 5G Basic, over 16 and 17 as 5G Evolution, up to 18 and 19 as 5G Advanced which precede the upcoming Release 20 and the initial 6G network whose launch is expected by the end of this decade.…”
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6G: typical applications, key technologies and challenges by Ning LUAN, Ke XIONG, Yu ZHANG, Ruisi HE, Gang QU, Bo AI

“…2020 marked the first year of the era of 5G commercialization in China and the inception of worldwide research in 6G.Compared with 5G networks, 6G networks will have larger information capacity, higher transmission rate, lower transmission delay, larger number of connected devices, higher spectrum efficiency, higher energy efficiency, and can support applications with higher mobile speed.Therefore, 6G networks will involve many new key technologies and also face many challenges.The background, development, typical applications, performance indicators, network architecture, key technologies and future challenges of 6G were systematically reviewed, which are expected to provide some reference for future 6G networks related research.…”
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Intelligent terminal identification technology toward 6G by Shida XIA, Jin XU, Xiaofeng TAO

“…The intelligent terminal will greatly expand the applications of 6G .However,it will also make 6G face with greater security threats.The reliable terminal identification technology is the premise to ensure the security of 6G networks.Firstly,based on the network architecture and terminal characteristics,the requirements and challenges of 6G intelligent terminal identification were summarized.Then,the development trend was put forward for 6G intelligent terminal identification.Finally,physical layer authentication was explored to achieve possible realization of intelligent terminal identity authentication mechanism in 6G networks.…”
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Hybrid machine learning-based 3-dimensional UAV node localization for UAV-assisted wireless networks by Workeneh Geleta Negassa, Demissie J. Gelmecha, Ram Sewak Singh, Davinder Singh Rathee

“…This paper presents a hybrid machine-learning framework for optimizing 3-Dimensional (3D) Unmanned Aerial Vehicles (UAV) node localization and resource distribution in UAV-assisted THz 6G networks to ensure efficient coverage in dynamic, high-density environments. …”
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Research on network intelligence for 6G by Qingtian WANG, Yang LIU, Haitao LIU, Jiaying ZONG, Fengyi YANG

“…Intelligent network has been proposed as early as the 5G era.Towards the 6G era, the network will support more application scenarios and performance requirements.A fully-covered and fully-connected network system requires more intelligent management and maintenance.Firstly, the scope and new application scenarios for 6G networks were introduced, and then the research progress of early-stage network intelligence was summarized.Secondly, the current shortages and supporting technologies of network intelligence for 6G were summarized.Thirdly, the architecture of the intelligent network for 6G and give details about the intelligent function elements were presented, moreover, the use case about the indoor positioning to illustrate the process of network intelligence was given.At last, the evolution route of network intelligence with edge data center was depicted.…”
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An Overview and State of The Art in Reconfigurable Antennas with Their Applications by El Aoud Salah Eddine, Abbaoui Hind, Attioui Sanae, El Assri Nasima, Ibnyaich Saida, Zeroual Abdelouhab

“…This adaptability is essential in addressing the increasing demands of next-generation communication systems, including 5G/6G networks, cognitive radios, and the Internet of Things (IoT). …”
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A Lightweight AI-Based Approach for Drone Jamming Detection by Sergio Cibecchini, Francesco Chiti, Laura Pierucci

“…The future integration of drones in 6G networks will significantly enhance their capabilities, enabling a wide range of new applications based on autonomous operation. …”
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Knowledge-defined intent-based network autonomy by Jingyu WANG, Cheng ZHOU, Lei ZHANG, Cong LIU, Zirui ZHUANG, Hongwei YANG, Danyang CHEN, Yanhong ZHU, Lu LU, Jianxin LIAO

“…The complexity of the network determines that the autonomy of the intention network can’t be achieved at one go.The key is to break through multiple problem domains of network management and control from a global perspective, to summarize the network rules, mechanisms and strategies into knowledge, to build the knowledge space of resource allocation in the whole scene, and finally to realize the ubiquitous intelligence of the intention network.Focusing on 6G intention network, which takes knowledge-defined intelligence as the key enabling technology to improve the perception and decision-making closed-loop ability of intention network, and constructs a self-learning, self-operating and self-maintaining intention network.Achieving full autonomy in 6G networks is a long-term goal, which requires step by step evolvements, from providing repeat operation alternatives, to performing perception and monitoring on network environment and equipment states, to making decisions according to a number of factors and strategies, to effectively sensing end-user experience, and finally to a fully autonomous intelligent network that senses the intention of operators and users, self-optimizes and self-evolves.…”
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