Internet of Everything (IoE) applications such as haptics, human-computer interaction, and extended reality, using the sixth-generation (6G) of wireless systems have diverse requirements in terms of latency, reliability, data rate, and user-defined performance metrics. Therefore, enabling IoE applications over 6G requires a new framework that can be used to manage, operate, and optimize the 6G wireless system and its underlying IoE services. Such a new framework for 6G can be based on digital twins. Digital twins use a virtual representation of the 6G physical system along with the associated algorithms (e.g., machine learning, optimization), communication technologies (e.g., millimeter-wave and terahertz communication), computing systems (e.g., edge computing and cloud computing), as well as privacy and security-related technologists (e.g., blockchain). First, we present the key design requirements for enabling 6G through the use of a digital twin. Next, the architectural components and trends such as edge-based twins, cloud-based-twins, and edge-cloud-based twins are presented. Furthermore, we provide a comparative description of various twins. Finally, we outline and recommend guidelines for several future research directions.
翻译：无线系统第六代(6G)使用无线系统第六代(6G),使6G无线系统(IoE)所有应用(IoE)的互联网(IoE)应用,如机床、人机互动和扩展现实,在延时性、可靠性、数据率和用户定义的性能衡量标准方面有不同要求,因此,使IoE应用超过6G需要一个新的框架,可用于管理、操作和优化6G无线系统及其基础的IoE服务。这种6G的新框架可以基于数字双胞胎。数字双胞胎使用6G物理系统以及相关的(例如,机器学习、优化)、通信技术(例如,毫米波和千兆赫通信)、计算系统(例如,边缘计算和云计算)以及隐私和安全相关技术人员(例如,屏障链)。首先,我们提出了使6G能够使用数字双胞胎的关键设计要求。接下来是建筑构件和趋势,例如边缘双胞胎、云型和边缘基双胞胎通信)、计算技术(例如毫米波波波波波波波波通信)、计算系统(例如,计算系统)、计算系统、云端计算系统、云形计算系统、云形计算系统、云形计算系统、云形计算系统、计算系统、以及未来建议式双胞相互研究方向等,最后我们提供若干比较指导。
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