Development of 28GHz band Massive MIMO Antenna RF Frontend Module for 5G

Watanabe, Hitoshi; Yoshioka, Hideharu; Morimoto, Yasuo; Tsutsumi, Koii; Shinjo, Shintaro; Uchida, Shigeru; Okazaki, Atsushi; Fukasawa, Toru; Yoneda, Naofumi

doi:10.1109/apusncursinrsm.2018.8608770

Cited by 8 publications

(3 citation statements)

References 2 publications

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“…which makes the timing constraints on MIMO detection increasingly strict. Massive MIMO systems, that have much larger number of antennas at the receiver than at the transmitter, have become increasingly popular choice for 5G [44]. With Massive MIMO, simple detectors like MMSE, can achieve performance close to the theoretical optimal [37].…”

Section: Related Workmentioning

confidence: 99%

Ising Machines' Dynamics and Regularization for Near-Optimal Large and Massive MIMO Detection

Singh¹,

Jamieson²,

Venturelli³

et al. 2021

Preprint

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Optimal MIMO detection has been one of the most challenging and computationally inefficient tasks in wireless systems. We show that the new analog computing techniques like Coherent Ising Machines (CIM) and Oscillator-based Ising Machines (OIM) are promising candidates for performing near-optimal MIMO detection. We illustrate a fundamental problem with using classical, optical or quantum mechanical Ising Machines for MIMO detection: the error floor problem, which is a major bottleneck to practical deployments of Ising machine-based MIMO detectors. We propose a novel regularized Ising formulation for MIMO detection that mitigates the error floor and further evolves it into an algorithm that achieves near-optimal MIMO detection. Massive MIMO systems, that have a much larger number of antennas at the Access point (AP) than at the users, allow linear detectors to be near-optimal. However, the simplified detection in these systems comes at the cost of overall throughput, which can be improved by supporting more users. We show that our methods allow us to add more transmitter antennas/users and increase the overall throughput of the cell by several folds. We further show that our methods allow us to operate using much aggressive modulation and coding schemes and hence achieve much higher throughput. We demonstrate that, for a 16 × 16 large MIMO system, our methods achieve around 2.5× more throughput in mid-SNR regime (≈ 12dB) and 2× more throughput in high-SNR regime( > 20dB) than MMSE.

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Section: Related Workmentioning

confidence: 99%

Ising Machines' Dynamics and Regularization for Near-Optimal Large and Massive MIMO Detection

Singh¹,

Jamieson²,

Venturelli³

et al. 2021

Preprint

View full text Add to dashboard Cite

show abstract

“…The linear-polarized (LP) antenna array and circular-polarized (CP) antenna array are both widely used in communication applications. The LP antenna array could provide good cross-polar isolation, simple structure, low cost and low profile [12]. The CP antenna array is popular in satellite communication applications due to its merits in terms of multi-path interference and polarization mismatch [13].…”

Section: Introductionmentioning

confidence: 99%

“…In recent articles, there are some single-layer beamforming designs [12], [17]- [21], however, they commonly work at a single operational frequency band and could only provide a single species of polarization mode. To work in different situations and requirements in a beamforming application or a satellite application, the flexible functions of linearpolarized, LH and RH CP modes could be achieved by the replaceable linear polarized and the dual LH/RH CP waveguide antennas with the alternative waveguide inputs, which will be fed by the same waveguide port from the waveguide transition.…”

Section: Introductionmentioning

confidence: 99%

Multiport Beamforming System Based on Reconfigurable Waveguide Phased Antenna Array for Satellite Communication Applications

Wei

Arnold

2023

IEEE Access

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In this article, a multiport beamforming system based on the reconfigurable waveguide phased antenna array is presented, which is fed by the microstrip single-layer multiport feeding network.The reconfigurable waveguide transitions and waveguide linear-polarized/circular-polarized antenna arrays have high flexibility to meet different requirements in beamforming applications according to the design purposes, which is also suitable for satellite communication applications with separate transmitted and received systems. Both simulated and experimental results are presented for the demonstration. Results indicate that the multiport beamforming system based on the reconfigurable waveguide phased antenna array could provide wideband performance at both K/Ka-band with flexible functions compared with the conventional single-layer beamforming systems. Beamforming, reconfigurable, dual-band, satellite communication. INDEX TERMS

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Antenna Pattern Evaluation of 28GHz band Massive MIMO Antenna RF Frontend Module for 5G

Kuriyama

Yoneda

Watanabe

et al. 2019

2019 IEEE International Symposium on Antennas and Propagation and USNC-URSI Radio Science Meeting

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Development of 28GHz band Massive MIMO Antenna RF Frontend Module for 5G

Cited by 8 publications

References 2 publications

Ising Machines' Dynamics and Regularization for Near-Optimal Large and Massive MIMO Detection

Ising Machines' Dynamics and Regularization for Near-Optimal Large and Massive MIMO Detection

Multiport Beamforming System Based on Reconfigurable Waveguide Phased Antenna Array for Satellite Communication Applications

Antenna Pattern Evaluation of 28GHz band Massive MIMO Antenna RF Frontend Module for 5G

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