Joint Communications and Sensing for 6G Satellite Networks: Use Cases and Challenges
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| Main Authors: | , , , , , , , , |
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| Format: | Preprint |
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2025
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| _version_ | 1866911172608917504 |
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| author | Sheemar, Chandan Kumar Thiruvasagam, Prabhu Khan, Wali Ullah Solanki, Sourabh Alexandropoulos, George C. Querol, Jorge Plachy, Jan Holschke, Oliver Chatzinotas, Symeon |
| author_facet | Sheemar, Chandan Kumar Thiruvasagam, Prabhu Khan, Wali Ullah Solanki, Sourabh Alexandropoulos, George C. Querol, Jorge Plachy, Jan Holschke, Oliver Chatzinotas, Symeon |
| contents | Satellite networks (SN) have long provided two fundamental services: global communications and Earth-oriented sensing, supporting applications from connectivity and navigation to disaster management and environmental monitoring. Yet, the accelerating demand for data and the emergence of new applications render the independent evolution of communication and sensing payloads increasingly unsustainable. Joint communications and sensing (JCAS) has emerged as a transformative paradigm, integrating both functions within a unified payload to enhance spectral efficiency, reduce operational costs, and minimize hardware redundancy. Beyond efficiency, this integration creates opportunities for novel services that are infeasible under separate payload designs. This paper motivates the role of JCAS in shaping the sixth-generation (6G) of satellite networks, explores a representative use case to assess its feasibility, and discusses key challenges that must be addressed to unlock its full potential. By highlighting these opportunities inherent to the space environment, we aim to stimulate the development of JCAS as a cornerstone technology for the next-generation space era |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2501_05243 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Joint Communications and Sensing for 6G Satellite Networks: Use Cases and Challenges Sheemar, Chandan Kumar Thiruvasagam, Prabhu Khan, Wali Ullah Solanki, Sourabh Alexandropoulos, George C. Querol, Jorge Plachy, Jan Holschke, Oliver Chatzinotas, Symeon Signal Processing Satellite networks (SN) have long provided two fundamental services: global communications and Earth-oriented sensing, supporting applications from connectivity and navigation to disaster management and environmental monitoring. Yet, the accelerating demand for data and the emergence of new applications render the independent evolution of communication and sensing payloads increasingly unsustainable. Joint communications and sensing (JCAS) has emerged as a transformative paradigm, integrating both functions within a unified payload to enhance spectral efficiency, reduce operational costs, and minimize hardware redundancy. Beyond efficiency, this integration creates opportunities for novel services that are infeasible under separate payload designs. This paper motivates the role of JCAS in shaping the sixth-generation (6G) of satellite networks, explores a representative use case to assess its feasibility, and discusses key challenges that must be addressed to unlock its full potential. By highlighting these opportunities inherent to the space environment, we aim to stimulate the development of JCAS as a cornerstone technology for the next-generation space era |
| title | Joint Communications and Sensing for 6G Satellite Networks: Use Cases and Challenges |
| topic | Signal Processing |
| url | https://arxiv.org/abs/2501.05243 |