Air-Ground Integrated Sensing and Communications: Opportunities and Challenges
- Publisher:
- IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
- Publication Type:
- Journal Article
- Citation:
- IEEE Communications Magazine, 2023, 61, (5), pp. 55-61
- Issue Date:
- 2023-05-01
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Filename | Description | Size | |||
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Air-Ground_Integrated_Sensing_and_Communications_Opportunities_and_Challenges.pdf | Accepted version | 2.08 MB |
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The air-ground integrated sensing and communications (AG-ISAC) network, which consists of unmanned aerial vehicles (UAVs) and ground terrestrial networks, offers unique capabilities and demands special design techniques. In this article, we provide a review on AG-ISAC, by introducing UAVs as 'relay' nodes for both communications and sensing to resolve the power and computation constraints on UAVs. We first introduce an AG-ISAC framework, including the system architecture and protocol. Four potential use cases are then discussed, with the analysis on the characteristics and merits of AG-ISAC networks. The research on several critical techniques for AG-ISAC is then discussed. Finally, we present our vision of the challenges and future research directions for AG-ISAC, to facilitate the advancement of the technology.
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