Terahertz-Band Ultra-Massive Spatial Modulation MIMO

@article{Sarieddeen2019TerahertzBandUS,
  title={Terahertz-Band Ultra-Massive Spatial Modulation MIMO},
  author={Hadi Sarieddeen and Mohamed-Slim Alouini and Tareq Y. Al-Naffouri},
  journal={IEEE Journal on Selected Areas in Communications},
  year={2019},
  volume={37},
  pages={2040-2052}
}
The prospect of ultra-massive multiple-input multiple-output (UM-MIMO) technology to combat the distance problem at the Terahertz (THz) band is considered. [] Key Method Depending on the communication distance and the frequency of operation, a specific SM configuration that ensures good channel conditions is recommended. We analyze the performance of the proposed schemes theoretically and numerically in terms of symbol and bit error rates, where significant gains are observed compared to conventional SM. We…
Ultra-Massive MIMO Systems at Terahertz Bands: Prospects and Challenges.
TLDR
Prospective use cases that can bring THz UM-MIMO into reality in the context of sensing, data centers, cell-free systems, and mid-range wireless communications are highlighted.
Hybrid Beamforming for Terahertz Wireless Communications: Challenges, Architectures, and Open Problems
TLDR
Three novel THz-specific hybrid beamforming architectures are presented, including widelyspaced multi-subarray, dynamic array-of-subarrays, and truetime-delay-based architectures, and the potential data rate, power consumption, and array gain capabilities for THz communications are demonstrated.
Terahertz-Band Joint Ultra-Massive MIMO Radar-Communications: Model-Based and Model-Free Hybrid Beamforming
TLDR
Wideband hybrid beamformers based on both model-based and model-free techniques for a new group-of-subarrays (GoSA) ultra-massive MIMO structure in low-THz band are developed andumerical experiments demonstrate that both techniques outperform the conventional approaches in terms of spectral efficiency and radar beampatterns.
Prospective Beamforming Technologies for Ultra-Massive MIMO in Terahertz Communications: A Tutorial
TLDR
This paper presents the system model of THz UM-MIMO and introduces the schemes of beam training and beamspace MIMO for THz communications, and presents the corresponding fabrication techniques and illuminate the emerging applications benefiting from THz beamforming.
Jinhong Yuan Hybrid Beamforming for Terahertz Wireless Communications : Challenges , Architectures , and Open Problems
TLDR
This article investigates that the spatial degree-of-freedom is poor, which is caused by the extreme sparsity of the THz channel, and analyzes the challenges led by the array containing 1024 or more antennas, including the requirement for dynamic subarray architecture, strict energy efficiency, and propagation characterization based on spherical-wave propagation mechanisms.
Ultramassive MIMO Systems at Terahertz Bands: Prospects and Challenges
TLDR
A holistic overview of THz UM-MIMO systems, which assess recent advancements in transceiver design and channel modeling and discuss the major challenges and shortcomings of such designs by deriving the relationships among communication range, array dimensions, and system performance.
Energy-efficient Dynamic-subarray with Fixed True-time-delay Design for Terahertz Wideband Hybrid Beamforming
TLDR
A novel dynamic-subarray with fixed true-time-delay (DS-FTTD) architecture is proposed, which has lower power consumption and hardware complexity, thanks to the low-cost FTTDs, and a lowcomplexity row-decomposition (RD) algorithm is proposed to design hybrid beamforming matrices for the DS- FTTD architecture.
Joint Inter-and-intra-multiplexing and Hybrid Beamforming for Terahertz Widely-spaced Multi-subarray Systems
TLDR
A widely-spaced multisubarray (WSMS) hybrid beamforming architecture is proposed for THz UM-MIMO systems to improve the multiplexing gain, and a block-diagonal vectorization-based (BD-VEC) algorithm is developed to solve the hybridbeamforming problem.
Channel Estimation and Hybrid Combining for Wideband Terahertz Massive MIMO Systems
TLDR
This work introduces a low-complexity beam squint mitigation scheme based on true-time-delay and proposes a novel variant of the popular orthogonal matching pursuit (OMP) algorithm to accurately estimate the channel with low training overhead.
Terahertz-Band MIMO-NOMA: Adaptive Superposition Coding and Subspace Detection
TLDR
This work argues that the most common THz NOMA configuration is power-domain superposition coding over quasi-optical doubly-massive MIMO channels, and proposes spatial tuning techniques that modify antenna subarray arrangements to enhance channel conditions.
...
1
2
3
4
5
...

References

SHOWING 1-10 OF 93 REFERENCES
Design and performance analysis of ultra-massive multi-carrier multiple input multiple output communications in the terahertz band
TLDR
An optimization framework is developed to determine the information capacity of UMMC MIMO communication by taking into account both the capabilities of THz plasmonic nanoantenna arrays and the peculiarities of the THz channel.
Ultra-Massive MIMO Channel Modeling for Graphene-Enabled Terahertz-Band Communications
TLDR
An end-to-end model for UM-MIMO communication in the THz band is developed, by accounting for the properties of graphene- based plasmonic nano-antenna arrays and the peculiarities of three- dimensional THz propagation, and results show that multi-Terabit-per-second links are feasible at distances of up to 20 m when utilizing 1024 × 1024 UM- MIMO systems.
Realizing Ultra-Massive MIMO (1024×1024) communication in the (0.06-10) Terahertz band
Ultramassive MIMO Systems at Terahertz Bands: Prospects and Challenges
TLDR
A holistic overview of THz UM-MIMO systems, which assess recent advancements in transceiver design and channel modeling and discuss the major challenges and shortcomings of such designs by deriving the relationships among communication range, array dimensions, and system performance.
Massive MIMO Performance Comparison of Beamforming and Multiplexing in the Terahertz Band
TLDR
Simulation results reveal a surprising observation that the MIMO multiplexing could be a better choice than the M IMO beamforming under certain conditions in THz communications.
Intelligent Environments Based on Ultra-massive Mimo Platforms for Wireless Communication in Millimeter Wave and Terahertz Bands
  • Shuai Nie, J. Jornet, I. Akyildiz
  • Computer Science, Business
    ICASSP 2019 - 2019 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP)
  • 2019
TLDR
An end-to-end physical model is developed by taking into account the capabilities of novel intelligent plasmonic antenna arrays which can operate in transmission, reception, reflection and waveguiding, as well as the peculiarities of the mm-wave and THz-band multi-path channel to increase the communication distance and data-rate in Ultra-Massive MIMO environments.
Fast Channel Tracking for Terahertz Beamspace Massive MIMO Systems
TLDR
Simulation results verify that to achieve the same accuracy, the proposed a priori aided channel tracking scheme requires much lower pilot overhead and signal-to-noise ratio (SNR) than the conventional schemes.
Non-Uniform Linear Antenna Array Design and Optimization for Millimeter-Wave Communications
TLDR
It is proved that the asymptotically optimal NULA deployment that maximizes the achievable EMG should follow the groupwise Fekete-point distribution, which provides a more practical option for mmWave LoS MIMO systems with realistic nonasymptotic configurations.
Adaptive Beamforming With Resource Allocation for Distance-Aware Multi-User Indoor Terahertz Communications
TLDR
A hybrid beamforming scheme with distance-aware multi-carrier transmission, including analog beamforming for user grouping and interference cancellation in radio-frequency (RF) domain and digital beamforming with dynamically selected subarrays at baseband is designed.
Multi-Wideband Waveform Design for Distance-Adaptive Wireless Communications in the Terahertz Band
TLDR
A multi-wideband waveform design for the THz band is proposed, by exploiting the channel peculiarities including the distance-varying spectral windows, the delay spread and the temporal broadening effects to maximize the communication distance while satisfying the rate and the transmit power constraints.
...
1
2
3
4
5
...