Multiband 10-Antenna Array for Sub-6 GHz MIMO Applications in 5-G Smartphones
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TLDR
A multi-band 10-antenna array working at the sub-6-GHz spectrum (LTE bands 42/43 and LTE band 46) for massive multiple-input multiple-output (MIMO) applications in future 5G smartphones is proposed.Abstract:
A multi-band 10-antenna array working at the sub-6-GHz spectrum (LTE bands 42/43 and LTE band 46) for massive multiple-input multiple-output (MIMO) applications in future 5G smartphones is proposed. To realize $10\times 10$ MIMO applications in three LTE bands, 10 T-shaped coupled-fed slot antenna elements that can excite dual resonant modes are integrated into a system circuit board. Spatial and polarization diversity techniques are implemented on these elements so that the improved isolation and mitigated coupling effects can be achieved. The proposed antenna array was manufactured and experimentally measured. Desirable antenna efficiencies of higher than 42% and 62% were measured in the low band and high band, respectively. Vital results, such as the envelope correlation coefficient, channel capacity, and mean effective gain ratio, have also been computed and analyzed. The calculated ergodic channel capacities of the $10\times 10$ MIMO system working in the LTE bands 42/43 and LTE band 46 reached up to 48 and 51.4 b/s/Hz, respectively.read more
Citations
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Hyundong Shin,Jae Hong Lee +1 more
TL;DR: Taking into account realistic propagation environments in the presence of spatial fading correlation, double scattering, and keyhole effects, a closed-form expression for the ergodic capacity of independent Rayleigh-fading MIMO channels is presented and a tight upper bound for spatially correlated/double scattering MIMo channels is derived.
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4G/5G Multiple Antennas for Future Multi-Mode Smartphone Applications
TL;DR: A hybrid antenna for future 4G/5G multiple input multiple output (MIMO) applications is proposed, and typically, experimental results such as S-parameter, antenna efficiency, radiation pattern, and envelope correlation coefficient are presented.
Printed Multi-Band MIMO Antenna Systems and Their Performance Metrics
TL;DR: This work starts by defining the new required metrics to characterize MIMO antenna systems, along with some isolation-enhancement mechanisms that are used in these closely packed antennas.
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Eight-Port Orthogonally Dual-Polarized Antenna Array for 5G Smartphone Applications
TL;DR: A dual-polarized hybrid eight-antenna array operating in the 2.6 GHz band for 5G communication multi-input multi-output (MIMO) operation in the smartphone is presented in this paper.