Cell-free massive multiple input multiple output (MaMIMO) is perceived as a capable solution for the induced inter-cell interference, and fair quality of service distribution among users in sixth generation (6G) networks. As well, non-terrestrial networks, and specifically unmanned aerial vehicle (UAV) communications, are viewed for an integrated air-ground networks that will provide the needed coverage for rural areas and recovery services. Yet, the strong line of sight affects of the UAV links produces a challenging integration, which can be averted by exploiting cell-free structure. Hence, it is the aim of this study to describe existing literature on UAV based cell-free MaMIMO networks. The presented study will accentuate UAV use cases and 6G new technologies that will further support this integration. Future research directions and gaps are also identified.
UAV Communications in 6G Cell-Free Massive MIMO Systems
2023-05-21
1867557 byte
Conference paper
Electronic Resource
English
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