Results 31 to 40 of about 453,959 (303)

Resource Allocation Method Based on Cognitive Multiple-Input Multiple-Output Networks [PDF]

Jisuanji gongcheng, 2018
Aiming at the problem of high energy consumption in wireless communication,based on multiuser cognitive Multiple-Input Multiple-Output(MIMO) networks system and using Time Division Multiplexing-Code Division Multiple Access(TDM-CDMA) technology,the "
NI Guoying,QIN Xizhong,JIA Zhenhong,NIU Hongmei,WANG Zhehui
doaj   +1 more source

Multi-Access Edge Computing (MEC) Based on MIMO: A Survey

Sensors, 2023
With the rapid development of wireless communication technology and the emergence of intelligent applications, higher requirements have been put forward for data communication and computing capacity.
Mengyu Zhu, Shaoshuai Gao, Guofang Tu, Deyuan Chen   +3 more
doaj   +1 more source

Time Reversal in Multiple-Input Multiple-Output Radar [PDF]

IEEE Journal of Selected Topics in Signal Processing, 2010
Time reversal explores the rich scattering in a multipath environment to achieve high target detectability. Multiple-input multiple-output (MIMO) radar is an emerging active sensing technology that uses diverse waveforms transmitted from widely spaced antennas to achieve increased target sensitivity when compared to standard phased arrays.
Yuanwei Jin, José M. F. Moura, Nicholas O'Donoughue   +2 more
openaire   +1 more source

Blind Multiple-Input Multiple-Output Image Phase Retrieval [PDF]

IEEE Transactions on Industrial Electronics, 2020
In this paper, we consider the problem of recovering the phase information of the multiple images from the multiple mixed phaseless short-time Fourier transform image measurements, which is called the blind multiple-input multiple-output image phase retrieval (BMIPR) problem. It is an inherently ill-posed problem due to the lack of the phase and mixing
Yina Guo, Xiangning Zhao, Jianyu Li, Anhong Wang, Wenwu Wang 0001   +4 more
openaire   +2 more sources

Alternative efficiency measures for multiple-output production [PDF]

, 2005
This paper has two main purposes. Firstly, we develop various ways of defining efficiency in the case of multiple-output production. Our framework extends a previous model by allowing for nonseparability of inputs and outputs.
Fernandez, Carmen, Fernandez, C., Koop, G.M., Koop, Gary, Steel, Mark, Steel, M.   +5 more
core   +1 more source

Full-Duplex in Massive Multiple-Input Multiple-Output

IEEE Open Journal of Vehicular Technology
In-band full-duplex (FD) operation can double the spectral efficiency of massive multiple-input multiple-output (mMIMO) systems by allowing simultaneous transmission and reception over the same time/frequency slot. However, the main challenge encountered
Tho Le-Ngoc, Yuanzhe Gong, Mobeen Mahmood, Asil Koc, Robert Morawski, James Gary Griffiths, Philippe Guillemette, Jamal Zaid, Peiwei Wang   +8 more
doaj   +1 more source

Extreme inputs/outputs for multiple input multiple output linear systems. [PDF]

, 2005
A linear structure is excited at multiple points with a stationary normal random process. The response of the structure is measured at multiple outputs. If the auto spectral densities of the inputs are specified, the phase relationships between the inputs are derived that will minimize or maximize the trace of the auto spectral density matrix of the ...
openaire   +2 more sources

Downlink Multiple Input Multiple Output Mixed Sparse Code Multiple Access for 5G System

IEEE Access, 2018
For downlink multiple-input multiple-output-sparse code multiple access (MIMO-SCMA) system, the convergence reliability of the detected codeword in each decision process is unsatisfactory at the message passing algorithm receiver. To address this problem,
Cheng Yan, Ningbo Zhang, Guixia Kang
doaj   +1 more source

Neutralization Line Decoupling Tri-Band Multiple-Input Multiple-Output Antenna Design

IEEE Access, 2020
A pair of tri-band multiple-input-multiple-output (MIMO) antennas with high isolation is investigated in this paper. The proposed antenna consists of two monopole antenna elements with an edge to edge spacing of 4 mm ($0.03~\lambda _{0}$ at 2.3 GHz). The
Ruipeng Liu, Xing An, Hongxing Zheng, Mengjun Wang, Zhenbin Gao, Erping Li   +5 more
doaj   +1 more source

Blind multidimensional matched filtering techniques for single input multiple output communications [PDF]

, 2010
In this paper, blind multidimensional matched filtering techniques for Single Input Multiple Output (SIMO) communications are examined. To improve the signal-to-noise ratio prior to the equalization process, three different techniques are proposed to ...
Kale, I., Coskun, A.
core   +1 more source