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<p>With the advent of the sixth-generation (6&#xa0;G) era, the massive connectivity indicator has become one of the most critical challenges. The widespread deployment of ground base stations (GBSs) can solve massive connectivity problem, while the consequent cost problem cannot be ignored either. In addition, it is difficult to realize the network access in remote mountain area only by GBSs. Due to the mobility and flexibility, UAV communication can not only solve the communication problems in remote mountains areas, but also build the aerial network system for 6&#xa0;G massive connectivity through adaptive deployment. In this article, we consider the massive connectivity problem under a multi-layer, multi-band, and multi-beam aerial network architecture. We consider the combination of sparse code multiple access, power domain non-orthogonal multiple access, and circular polarization technologies to achieve massive connectivity. Specifically, we first introduce the proposed network architecture and frame structure, and then explain the principle and utilization of the key technologies in detail. Subsequently, we evaluate the connection performance of the proposed aerial network from the perspective of theory and simulation. Both the theoretical analysis and simulation results show that our proposed aerial network can achieve the goal of ten million connections per square kilometer in 6&#xa0;G. Finally, the challenges and future prospects of 6&#xa0;G massive connectivity problems are presented and discussed.</p>

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Network design for 6 G massive connectivity with aerial networks

  • 期刊论文

  • 发表日期：

    2025年1月29日

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  • Zhuoran Huang,
  • Haosong Gou,
  • Pengfei Du,
  • Ye Jiang

摘要

With the advent of the sixth-generation (6 G) era, the massive connectivity indicator has become one of the most critical challenges. The widespread deployment of ground base stations (GBSs) can solve massive connectivity problem, while the consequent cost problem cannot be ignored either. In addition, it is difficult to realize the network access in remote mountain area only by GBSs. Due to the mobility and flexibility, UAV communication can not only solve the communication problems in remote mountains areas, but also build the aerial network system for 6 G massive connectivity through adaptive deployment. In this article, we consider the massive connectivity problem under a multi-layer, multi-band, and multi-beam aerial network architecture. We consider the combination of sparse code multiple access, power domain non-orthogonal multiple access, and circular polarization technologies to achieve massive connectivity. Specifically, we first introduce the proposed network architecture and frame structure, and then explain the principle and utilization of the key technologies in detail. Subsequently, we evaluate the connection performance of the proposed aerial network from the perspective of theory and simulation. Both the theoretical analysis and simulation results show that our proposed aerial network can achieve the goal of ten million connections per square kilometer in 6 G. Finally, the challenges and future prospects of 6 G massive connectivity problems are presented and discussed.