Výsledky vyhledávání - optimal precoder matrix*

Spatial Multiplexing for Noncoherent Reception in MIMO Systems With Binary ASK: Optimal Precoder Design Autor Biswas, Pialy, Mallik, Ranjan K.

“…-formula>), is premultiplied by a diagonal precoder matrix with positive precoder parameters…”
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Linear precoding for spatially correlated multiple-input single-output wiretap channel Autor Hajimomeni, Mona, Aghaeinia, Hassan

“…). Specifically, two problems are considered. First, a precoder matrix is designed to minimise the average transmitted power subject to QoS requirements at Bob and Eve…”
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Fundamental CRB-Rate Trade-Off in ISAC Systems Under Correlated Communication-Sensing Channel Autor Bian, Mengqi, Shi, Yunmei, Huang, Xin-Lin

“…). To address this issue, focusing on this particular scenario, this paper delves into the design of optimal transmission precoder and conducts a fundamental trade-off analysis between the achievable…”
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Linear Precoder Design for an AF Two-Way MIMO Relay Node with No Source Node Precoding Autor Joung, Jingon, Choi, Jihoon

“… For the arbitrary pre-/postprocessing at the SNs that have N antennas, it is rigorously shown that an N-by-N optimal TWR precoder matrix is symmetric when the noise power of the TWR node…”
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Statistically robust precoder design over correlated Rician MIMO channels Autor Luo, Zhen, Zhang, Lin, Leung, Shu-hung, Yu, Xiang-bin

“… We adopt eigenrepresentation to express the precoder design in terms of unitary matrix and eigenvalues to minimize pairwise error probability (PEP…”
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Optimal Massive-MIMO-Aided Clustered Base-Station Coordination Autor Li, Xueru, Zhang, Xu, Zhou, Yongxing, Hanzo, Lajos

“… and UEs, relying on the optimal transmit precoder matrix of each BS configured…”
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On the Precoder Design of a Wireless Energy Harvesting Node in Linear Vector Gaussian Channels with Arbitrary Input Distribution Autor Gregori, M., Payaro, M.

“… Additionally, an expression that relates the optimal singular values of the precoder with the energy harvesting profile through the Minimum Mean-Square Error (MMSE) matrix is obtained…”
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Joint Hybrid Precoding and Combining Design Based Multi-Stage Compressed Sensing Approach for mmWave MIMO Channel Estimation Autor Hadji, Baghdad, Aissa-El-Bey, Abdeldjalil, Fergani, Lamya, Djeddou, Mustapha

“… Also, acquiring CSI to design optimal precoders and combiners poses several challenges, particularly in millimeter wave (mmWave…”
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Optimizing Spectral Efficiency in Downlink Millimeter Wave Distributed Massive Multi-User MIMO: A Fully Connected Two-Stage Iterative Hybrid Precoding Approach Autor Gholami, Elahe, Meghdadi, Hamid, Shahzadi, Ali

“…Distributed massive multiple-input multiple-output (MIMO) at millimeter wave (mmWave) frequencies utilizes a combination of analog and digital precoding to…”
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BER minimized OFDM systems with channel independent precoders Autor LIN, Yuan-Pei, PHOONG, See-May

“… When the precoder is the DFT matrix, the resulting optimal transceiver becomes the single carrier system with cyclic prefix (SC-CP) system…”
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A Unified Joint Optimization of Training Sequences and Transceivers Based on Matrix-Monotonic Optimization Autor Xing, Chengwen, Yu, Tao, Song, Jinpeng, Zheng, Zhong, Zhao, Lian, Hanzo, Lajos

“… Hence, we jointly optimize the linear transmit precoder and the training sequence of MIMO systems using the metrics of their effective mutual information (MI…”
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Iterative Generalized Eigenvector Precoder With Deterministic Equivalents for 3D Massive MIMO Autor Lu, An-An, Zhang, Yuxuan, Gao, Xiqi

“… We consider the problem of maximizing the expected sum-rate under a total power constraint. By replacing the expected sum-rate with their deterministic equivalents, we obtain the structure of the optimal linear precoders…”
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Secrecy rate optimization for intelligent reflecting surface aided multi‐input‐single‐output terahertz communication Autor Chen, Wenjie, Chen, Zhi, Ma, Xinying, Chi, Yaojia, Li, Zhuoxun

“…‐shift matrix, we can obtain the optimal precoder by the Rayleigh‐Ritz theorem. And with a given precoder matrix, we propose a cross‐entropy‐based algorithm to obtain the optimal phase‐shift matrix. Numerical results demonstrate that our proposed solution is able to improve the secrecy rate than that of the case without IRS…”
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Multi-user hybrid precoding for mmWave massive MIMO systems with sub-connected structure Autor Du, Jianhe, Wang, Zekun, Zhang, Yang, Guan, Yalin, Jin, Libiao

“… Further, a near-optimal analog precoder is designed through factorizing the precoding sub-matrix for each sub-array…”
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Globally Optimal Linear Precoders for Finite Alphabet Signals Over Complex Vector Gaussian Channels Autor Chengshan Xiao, Zheng, Yahong Rosa, Zhi Ding

“… Our work presents three main contributions: First, we prove that the mutual information is a concave function of a matrix which itself is a quadratic function of the precoder matrix…”
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Optimal ZF Precoder for MU massive MIMO Systems over Ricean Channel with per Antenna Power Allocation Autor Nyarko, James, Mbom, Christian

“…) precoder rotations to obtain the best optimal solution with the per-antenna power allocation…”
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Equal-diagonal QR decomposition and its application to precoder design for successive-cancellation detection Autor Jian-Kang Zhang, Kavcic, A., Kon Max Wong

“… We show that, for any channel matrix H, there exists a unitary precoder matrix S, such that…”
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Robust Precoding for 3D Massive MIMO with Riemannian Manifold Optimization Autor Wang, Chen, Lu, An-An, Gao, Xiqi, Ding, Zhi

“… We derive the generalized eigenvector structure for optimal precoder with matrix manifold optimization…”
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Joint Bit Allocation and Hybrid Beamforming Optimization for Energy Efficient Millimeter Wave MIMO Systems Autor Kaushik, Aryan, Vlachos, Evangelos, Tsinos, Christos, Thompson, John, Chatzinotas, Symeon

“… The unknown matrices are computed as a solution to the matrix factorization problem where the optimal fully digital precoder or combiner is approximated by the product of these matrices…”
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Data‐driven approach to design energy‐efficient joint precoders at source and relay using deep learning in MIMO‐CRNs Autor Sahu, Deepak, Maurya, Shikha, Bansal, Matadeen, Kumar, Dinesh

“…). The proposed DNN learns the optimal precoder weights on a set of different channel matrices during the offline training phase and allows the computational cost reduction in the online deployment phase…”
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