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Massive MIMO Asymptotics for Ray-Based Propagation Channels
- Source :
- IEEE Transactions on Wireless Communications; (2020), Li, S, Smith, P, Dmochowski, P A, Tataria, H, Matthaiou, M & Yin, J 2020, ' Massive MIMO Asymptotics for Ray-Based Propagation Channels ', IEEE Transactions on Wireless Communications . https://doi.org/10.1109/TWC.2020.2979146
- Publication Year :
- 2020
- Publisher :
- arXiv, 2020.
-
Abstract
- Favorable propagation (FP) and channel hardening (CH) are desired properties in massive multiple-input multiple-output (MIMO) systems. To date, these properties have primarily been analyzed for classical \textit{statistical} channel models, or \textit{ray-based} models with very specific angular parameters and distributions. This paper presents a thorough mathematical analysis of the asymptotic system behavior for ray-based channels with \textit{arbitrary} ray distributions, and considers \textit{two} types of antenna array structures at the cellular base station: a uniform linear array (ULA) and a uniform planar array (UPA). In addition to FP and channel hardening, we analyze the \textit{large system potential} (LSP) which measures the asymptotic ratio of the expected power in the desired channel to the expected total interference power when both the antenna and user numbers grow. LSP is said to hold when this ratio converges to a positive constant. The results demonstrate that while FP is guaranteed in ray-based channels, CH may or may not occur depending on the nature of the model. Furthermore, we demonstrate that LSP will not normally hold as the expected interference power grows logarithmically for both ULAs and UPAs relative to the power in the desired channel as the system size increases. Nevertheless, we identify some fundamental and attractive properties of massive MIMO in this limiting regime.
- Subjects :
- Signal Processing (eess.SP)
FOS: Computer and information sciences
ULA
Computer Science - Information Theory
MIMO
Planar array
favorable propagation
02 engineering and technology
Communications system
Topology
Antenna array
Base station
0202 electrical engineering, electronic engineering, information engineering
FOS: Electrical engineering, electronic engineering, information engineering
Wireless
Electrical and Electronic Engineering
Electrical Engineering and Systems Science - Signal Processing
Computer Science::Information Theory
Physics
ray-based channels
channel hardening
business.industry
Applied Mathematics
Information Theory (cs.IT)
Communication Systems
020206 networking & telecommunications
Computer Science Applications
UPA
business
Massive MIMO
Communication channel
Hardening (computing)
Subjects
Details
- ISSN :
- 15361276
- Database :
- OpenAIRE
- Journal :
- IEEE Transactions on Wireless Communications; (2020), Li, S, Smith, P, Dmochowski, P A, Tataria, H, Matthaiou, M & Yin, J 2020, ' Massive MIMO Asymptotics for Ray-Based Propagation Channels ', IEEE Transactions on Wireless Communications . https://doi.org/10.1109/TWC.2020.2979146
- Accession number :
- edsair.doi.dedup.....6dc9e907fe7ffe4e96a7d1ac87dc7f5a
- Full Text :
- https://doi.org/10.48550/arxiv.2002.11806