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Hardware Efficient Joint Radar-Communications with Hybrid Precoding and RF Chain Optimization
[article]
2021
arXiv
pre-print
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In this paper, we aim to achieve energy efficient design with minimum hardware requirement for hybrid precoding, which enables a large number of antennas with minimal number of RF chains, and sub-arrayed ...
Subsequently hybrid precoders are computed employing a sub-arrayed MIMO structure for EE maximization with weighted formulation of the communication and radar metrics, and the solution is based on alternating ...
CONCLUSION This paper proposes a joint sensing and communication by designing energy efficient JRC system with minimum hardware requirement. ...
arXiv:2104.08127v1
fatcat:foefjhxjnjbglai2abh57y3y5a
Flexible Hybrid Beamforming for Spectrally Efficient 6G Joint Radar-Communications
[article]
2022
arXiv
pre-print
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Joint radar-communications (JRC) benefits from multi-functionality of radar and communication operations using same hardware and radio frequency (RF) spectrum resources. ...
The joint-SE based proposed method optimally selects the number of RF chains with flexible hynrid beamforming design. ...
This procedure leads to highly spectral efficient design with low hardware complexity (via RF chain selection). ...
arXiv:2211.08454v1
fatcat:dyqgbxsrpja5nkbt6soshyzeoq
Hybrid Beamforming for Dual Functioning Multi-input Multi-output Radar using Dimension Reduced-baseband Piecewise Successive Approximation
2023
International Journal of Engineering
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communication mechanisms like millimeter-wave (mmwave) for MIMO systems [1] . ...
The dual-functioning radar communication system design shares the common hardware to reduce weight on shipborne or airborne platforms, making it hardware efficient, cost-efficient, and power-efficient. ...
This novel hybrid beamforming design ensures reduced RF chains with higher energy efficiency without loss of information. ...
doi:10.5829/ije.2023.36.01a.20
fatcat:psqa3sjy55hvpgmva3g5h2gely
Covariance-Based Hybrid Beamforming for Spectrally Efficient Joint Radar-Communications
[article]
2022
arXiv
pre-print
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Joint radar-communications (JRC) is considered to be a vital technology in deploying the next generation systems, since its useful in decongestion of the radio frequency (RF) spectrum and utilising the ...
The performance of the optimal RF selection based proposed approach is evaluated, compared with baselines and its effectiveness is inferred via numerical results. ...
Note that the analog precoder F RF is joint for both radar-communications operation. is for the radar operation. ...
arXiv:2211.08308v1
fatcat:r6dtzgprbbaqnnvj3eurarvvme
Hybrid Precoding and Combining for mmWave Full-Duplex Joint Radar and Communication Systems under Self-Interference
[article]
2024
arXiv
pre-print
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This paper investigates the design of precoders and combiners for a joint radar and communication (JRC) system at mmWave frequencies. ...
account the hardware limitations coming from a hybrid MIMO architecture. ...
Furthermore, the MS employs a hybrid architecture with N MS antennas and N MS,RF RF chains. ...
arXiv:2311.14942v2
fatcat:2mkummtzrfbt5o3g4bxjhw7wna
Location-Based Hybrid Precoding Schemes and QoS-Aware Power Allocation for Radar-Aided UAV–UGV Cooperative Systems
2022
IEEE Access
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For high mobile unmanned cooperation systems, we develop two joint radar-aided hybrid precoding schemes, which are suitable for a fully connected (FC) hybrid precoding structure and partially connected ...
When infrastructures for communication are unavailable, such as disaster relief and patrol mission in sparsely populated areas, UGVs can be controlled to go to the esignated areas with the aid of a UAV ...
cooperation system. • Taking advantage of radar positioning, firstly, the nonconvex joint hybrid precoding and power allocation optimization problems involved in the FC structure hybrid precoding scheme ...
doi:10.1109/access.2022.3173806
fatcat:km323us7tna7jel6hlk75dcitq
Terahertz-Band Joint Ultra-Massive MIMO Radar-Communications: Model-Based and Model-Free Hybrid Beamforming
[article]
2021
arXiv
pre-print
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Numerical experiments demonstrate that both techniques outperform the conventional approaches in terms of spectral efficiency and radar beampatterns, as well as exhibiting less hardware cost and computation ...
We formulate the GoSA beamformer design as an optimization problem to provide a trade-off between the unconstrained communications beamformers and the desired radar beamformers. ...
Heath, Jr. and three anonymous reviewers whose valuable comments greatly helped in improving the manuscript. ...
arXiv:2103.00328v2
fatcat:cs4wg7x22vf6rnxi3wmhuy3io4
Hybrid Beamforming in mmWave Dual-Function Radar-Communication Systems: Models, Technologies, and Challenges
[article]
2023
arXiv
pre-print
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2022 pre-print arXiv:2209.04656v3 fatcat:7qf2vjas6vejfnvvr5o4ky4tpqOther Versions
As a promising technology in beyond-5G (B5G) and 6G, dual-function radar-communication (DFRC) aims to ensure both radar sensing and communication on a single integrated platform with unified signaling ...
To achieve accurate sensing and reliable communication, large-scale arrays are anticipated to be implemented in such systems, which brings out the prominent issues on hardware cost and power consumption ...
performance, communication performance and hardware efficiency. ...
arXiv:2209.04656v4
fatcat:h6vq5ak5prd7nfkzkqxgm5rjdi
Hardware-Efficient Hybrid Precoding for Millimeter Wave Systems With Multi-Feed Reflectarrays
2018
IEEE Access
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In this paper, we exploit the new technology of reflectarray antennas, which among other advantages offers significant hardware efficiency gain, and propose a novel hybrid precoding architecture based ...
The mathematical model is provided for this novel hybrid precoding architecture, and an efficient alternating descent algorithm is developed to jointly design the analog and digital precoders for the proposed ...
Conventional hybrid precoding architectures with phased array antennas: (a) full-connected model, and (b) sub-connected model, where the transmitter employs Nt antennas with N RF t (≤ Nt) RF chains to ...
doi:10.1109/access.2018.2793223
fatcat:7xqjskeovzfbtp7idqijcyicwy
Joint Communication and Sensing: Models and Potential of Using MIMO
[article]
2022
arXiv
pre-print
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How to efficiently apply MIMO to achieve balanced communication and sensing performance is still open. In this survey, we discuss joint communication and sensing (JCAS) in the context of MIMO. ...
We first outline the roles of MIMO in the process of wireless communication and radar sensing. ...
, SU-MISO joint radar and BS precod- desired radar signal, desired communication error reduction algorithm separate RF chains and shared antennas MT-MIMI,MU-MISO ST-MTMO, SU- ing hybrid beamforming radar ...
arXiv:2205.09409v2
fatcat:u7xsio7chbhf3ksf46z5kg3nty
Joint Transceiver Optimization for MmWave/THz MU-MIMO ISAC Systems
[article]
2024
arXiv
pre-print
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Our analysis reveals that the hybrid analog/digital beamforming structure can attain the same performance as that of a fully digital precoder, provided that the number of radio frequency (RF) chains is ...
Also, through expressing the precoder as a sum of a communication-precoder and a sensing-precoder, we develop an analytical solution to the joint transceiver design problem by generalizing the idea of ...
Moreover, due to hardware and power constraints, hybrid analog and digital structures with a small number of radio frequency (RF) chains are usually adopted [1] , [2] , [6] - [8] . ...
arXiv:2401.17681v1
fatcat:mrn6dvieebg2vd3rea2hawyrei
Investigations on spectral efficiency of muticellnetworks using hybrid beamforming
2022
Indonesian Journal of Electrical Engineering and Computer Science
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to 19.763 bits/s/Hz for optimal weights and hybrid weights, respectively. ...
As the number of data streams is increased from Ns=1 to 4 for 0 dB signal to noise ratio (SNR) with Nt=64 and Nr=16, the SE increases from 9.5557 bits/s/Hz to 26.423 bits/s/Hz for optimal weights and from ...
radar community. ...
doi:10.11591/ijeecs.v26.i2.pp826-835
fatcat:7igx4cnxsbeofgxzdlfg4m4as4
Decoupling Energy Efficient Approach for Hybrid Precoding-Based mmWave Massive MIMO-NOMA with SWIPT
2022
IEEE Access
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Simulation results confirm the effectiveness of the proposed method and demonstrate that the proposed method is near-optimal and enjoys higher spectrum and energy efficiency compared with state-of-the-art ...
Then, we design the analog RF precoder based on the selected user grouping for all beams, followed by a low-dimensional digital baseband precoder design to further mitigate inter-beam interference and ...
There is no performance difference between digital and hybrid precoding because hybrid precoding uses fewer RF chains while delivering equivalent energy efficiency [30] , [31] . ...
doi:10.1109/access.2022.3155485
fatcat:vi2wbw3mevdlvmm4rvnz24vqdy
Near-optimal Hybrid Precoding for Millimeter Wave Massive MIMO Systems via Cost-Efficient Sub-Connected Structure
2020
IET Communications
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In this study, the authors investigate a near-optimal iterative approximation hybrid precoding algorithm via cost-efficient sub-connected structure for mmWave massive MIMO systems. ...
Based on the minimum mean square error (MSE) criterion, the optimal design of the proposed hybrid precoders is non-convex. ...
scheme always uses N t RF chains and the hybrid schemes can reduce the number of RF chains. ...
doi:10.1049/iet-com.2019.1353
fatcat:rblwunlwerbeng5s6nbfjqnnsa
Taxonomy and Performance Evaluation of Hybrid Beamforming for 5G and Beyond Systems
2020
IEEE Access
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INDEX TERMS Hybrid beamforming (HBF), energy efficiency (EE), millimeter wave (mmWave), hardware complexity, massive-MIMO, analog beamforming (ABF), and digital beamforming (DBF). ...
Hybrid beamforming is one of the most promising energy and cost-effective approaches to realize mmWave massive MIMO communications with lower complexity and smaller training overhead. ...
The results illstrated that the joint optimization of the hardware cost and energy efficiency has led to a 170% improvement. ...
doi:10.1109/access.2020.2984548
fatcat:tkd3utgslramjdl7ua3smwcnhu
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