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Joint Modulations of Electromagnetic Waves and Digital Signals on a Single Metasurface Platform to Reach Programmable Wireless Communications
- Source :
- Engineering. 8:86-95
- Publication Year :
- 2022
- Publisher :
- Elsevier BV, 2022.
-
Abstract
- In current wireless communication and electronic systems, digital signals and electromagnetic (EM) radiation are processed by different modules. Here, we propose a mechanism to fuse the modulation of digital signals and the manipulation of EM radiation on a single programmable metasurface. The programmable metasurface consists of massive subwavelength-scale digital coding elements. A set of digital states of all elements forms simultaneous digital information roles for modulation and the wave-control sequence code of the programmable metasurface. By designing digital coding sequences in the spatial and temporal domains, the digital information and far-field patterns of the programmable metasurface can be programmed simultaneously and instantly in desired ways. For the experimental demonstration of the mechanism, we present a programmable wireless communication system. The same system can realize transmissions of digital information in single-channel modes with beam-steerable capability and multichannel modes with multiple independent information. The measured results show the excellent performance of the programmable system. This work provides excellent prospects for applications in fifth- or sixth-generation wireless communications and modern intelligent platforms for unmanned aircrafts and vehicles.
- Subjects :
- Environmental Engineering
General Computer Science
business.industry
Computer science
Materials Science (miscellaneous)
General Chemical Engineering
General Engineering
Energy Engineering and Power Technology
Electromagnetic radiation
law.invention
Set (abstract data type)
law
Modulation (music)
Code (cryptography)
Fuse (electrical)
Electronic engineering
Wireless
Radar
Joint (audio engineering)
business
Subjects
Details
- ISSN :
- 20958099
- Volume :
- 8
- Database :
- OpenAIRE
- Journal :
- Engineering
- Accession number :
- edsair.doi...........8b0504df65c604253a6fc5aaec6c85bb