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Energy Efficient Multi-User MISO Communication Using Low Resolution Large Intelligent Surfaces
Open accessAbstract
We consider a multi-user Multiple-Input Single-Output (MISO) communication system comprising of a multiantenna base station communicating in the downlink simultaneously with multiple single-antenna mobile users. This communication is assumed to be assisted by a Large Intelligent Surface (LIS) that consists of many nearly passive antenna elements, whose parameters can be tuned according to desired objectives. The latest design advances on these surfaces suggest cheap elements effectively acting as low resolution (even 1-bit resolution) phase shifters, whose joint configuration affects the electromagnetic behavior of the wireless propagation channel. In this paper, we investigate the suitability of LIS for green communications in terms of Energy Efficiency (EE), which is expressed as the number of bits per Joule. In particular, for the considered multi-user MISO system, we design the transmit powers per user and the values for the surface elements that jointly maximize the system's EE performance. Our representative simulation results show that LIS-assisted communication, even with nearly passive 1-bit resolution antenna elements, provides significant EE gains compared to conventional relay-assisted communication.
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Cited by
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Basar, E., Di Renzo, M., De Rosny, J., Debbah, M., Alouini, M.-S., & Zhang, R. (2019) · IEEE Access · doi:10.1109/access.2019.2935192 · Cited by 3,394
Self-citationSmart radio environments empowered by reconfigurable AI meta-surfaces: an idea whose time has come
Renzo, M. D., Debbah, M., Phan-Huy, D.-T., Zappone, A., Alouini, M.-S., Yuen, C., Sciancalepore, V., Alexandropoulos, G. C., Hoydis, J., Gacanin, H., et al. (2019) · EURASIP Journal on Wireless Communications and Networking · doi:10.1186/s13638-019-1438-9 · Cited by 1,717
Self-citationToward Smart Wireless Communications via Intelligent Reflecting Surfaces: A Contemporary Survey
Gong, S., Lu, X., Hoang, D. T., Niyato, D., Shu, L., Kim, D. I., & Liang, Y.-C. (2020) · IEEE Communications Surveys & Tutorials · doi:10.1109/comst.2020.3004197 · Cited by 1,035
Di, B., Zhang, H., Song, L., Li, Y., Han, Z., & Poor, H. V. (2020) · IEEE Journal on Selected Areas in Communications · doi:10.1109/jsac.2020.3000813 · Cited by 544
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Metadata
- Authors
- Huang, C., Alexandropoulos, G. C., Zappone, A., Debbah, M., & Yuen, C.
- Venue
- 2018 IEEE Globecom Workshops (GC Wkshps)
- Publisher
- IEEE
- Published
- 2018-12
- Pages
- 1-6
- OpenAlex
- W2891191577
- Cited by
- 332
- References
- 0
- FWCI
- 74.38
- Type
- conference paper
- Language
- en
- Open access
- green
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- Huang, C., Alexandropoulos, G. C., Zappone, A., Debbah, M., & Yuen, C. (2018). Energy Efficient Multi-User MISO Communication Using Low Resolution Large Intelligent Surfaces. 2018 IEEE Globecom Workshops (GC Wkshps). https://doi.org/10.1109/glocomw.2018.8644519
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