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Reconfigurable Inte...
Reconfigurable Intelligent Surface-Assisted Massive MIMO : Favorable propagation, channel hardening, and rank deficiency [Lecture Notes]
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- Van Chien, Trinh (författare)
- Univ Luxembourg, L-1855 Luxembourg, Luxembourg.
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- Ngo, Hien Quoc (författare)
- Queens Univ Belfast, Belfast BT7 1NN, Antrim, North Ireland.
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- Chatzinotas, Symeon (författare)
- Univ Luxembourg, SIGCOM Res Grp, Interdisciplinary Ctr Secur Reliabil & Trust, Esch Sur Alzette, Luxembourg.
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- Ottersten, Björn, 1961- (författare)
- KTH,Teknisk informationsvetenskap
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Univ Luxembourg, L-1855 Luxembourg, Luxembourg Queens Univ Belfast, Belfast BT7 1NN, Antrim, North Ireland. (creator_code:org_t)
- Institute of Electrical and Electronics Engineers (IEEE), 2022
- 2022
- Engelska.
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Ingår i: IEEE signal processing magazine (Print). - : Institute of Electrical and Electronics Engineers (IEEE). - 1053-5888 .- 1558-0792. ; 39:3, s. 97-104
- Relaterad länk:
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- Massive multiple-input multiple-output (MIMO) and reconfigurable intelligent surface (RIS) are two promising technologies for 5G-and-beyond wireless networks, capable of providing large array gain and multiuser spatial multiplexing. Without requiring additional frequency bands, those technologies offer significant improvements in both spectral and energy efficiency by simultaneously serving many users. The performance analysis of an RIS-assisted massive MIMO system as a function of channel statistics relies heavily on fundamental properties, including favorable propagation, channel hardening, and rank deficiency. The coexistence of both direct and indirect links results in aggregated channels, whose properties are the main concerns of this "Lecture Notes" article. For practical systems with a finite number of antennas and engineered scattering elements of the RIS, we evaluate the corresponding deterministic metrics, with Rayleigh fading channels as a typical example.
Ämnesord
- TEKNIK OCH TEKNOLOGIER -- Elektroteknik och elektronik -- Telekommunikation (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Electrical Engineering, Electronic Engineering, Information Engineering -- Telecommunications (hsv//eng)
Nyckelord
- Measurement
- Wireless networks
- Scattering
- Massive MIMO
- Reconfigurable intelligent surfaces
- MIMO
- Performance analysis
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