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It provides the ability to reshape radio channels through passively reflecting beams in a reconstructive manner. Furthermore, aerial RIS (ARIS) introduces more flexibility in providing line-of-sight (LOS) links. Unfortunately, most of the related research efforts supposed the system as a planar RIS mounted on a satellite, unmanned aerial vehicle (UAV), or balloon despite reported limitations of planar RISs. The essential problem in designing any planar RIS network resides in mutual orientation and alignment difficulty, especially under random fluctuation of position\/orientation due to wind conditions or UAV wobbling in the hover state. So, this paper highlights spherical RIS (bubble) as the optimal choice for aerial beam routing where the orientation\/rotation can be completely relaxed. It outperforms planar RIS in terms of RIS networking flexibility, dead zone relaxation, and coverage extension. Consequently, due to the added degrees of freedom, many new deployment scenarios\/use cases are recommended such as introducing meta-bubbles as intermediate gateways between satellite and ground nodes and extending network infrastructure installation down to the client level to enhance its visibility and throughput. Simulations demonstrate the superiority of meta-bubbles in minimizing channel loss over successive multi-hop routing.<\/jats:p>","DOI":"10.1186\/s13638-024-02372-6","type":"journal-article","created":{"date-parts":[[2024,8,5]],"date-time":"2024-08-05T05:02:04Z","timestamp":1722834124000},"update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":2,"title":["Floating meta-bubbles: aerial gateway and routing on the sky"],"prefix":"10.1186","volume":"2024","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-6827-4655","authenticated-orcid":false,"given":"Mostafa","family":"Salah","sequence":"first","affiliation":[]}],"member":"297","published-online":{"date-parts":[[2024,8,5]]},"reference":[{"issue":"4","key":"2372_CR1","doi-asserted-by":"publisher","first-page":"118","DOI":"10.1109\/MWC.001.1900488","volume":"27","author":"F Tariq","year":"2020","unstructured":"F. Tariq et al., A speculative study on 6G. IEEE Wirel. 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