Results 21 to 30 of about 384,665 (305)

Multiuser MIMO-OFDM for Visible Light Communications

open access: yesIEEE Photonics Journal, 2015
Visible light communication (VLC) is emerging as a promising technique to provide ubiquitous wireless connection. In this paper, a multiuser VLC system utilizing multiple-input multiple-output (MIMO) orthogonal frequency-division multiplexing (OFDM) is ...
Qi Wang, Zhaocheng Wang, Linglong Dai
doaj   +1 more source

Multiple-input multiple-output vs. Single-input single-output neural network forecasting [PDF]

open access: yes, 2015
This study attempts to improve the forecasting accuracy of tourism demand by using the existing common trends in tourist arrivals form all visitor markets to a specific destination in a multiple-input multiple-output (MIMO) structure. While most tourism forecasting research focuses on univariate methods, we compare the performance of three different ...
Claveria González, Oscar   +2 more
openaire   +3 more sources

Enhanced Mobile Multiple-Input Multiple-Output Underwater Acoustic Communications

open access: yesInternational Journal of Distributed Sensor Networks, 2013
This paper focuses on mobile multiple-input multiple-output (MIMO) underwater acoustic communications (UAC) over double-selective channels subject to both intersymbol interference and Doppler scaling effects.
Kexin Zhao, Jun Ling, Jian Li
doaj   +1 more source

The Effect of Spatial Multiplexing of the Interference on MIMO Communication Performance

open access: yesIEEE Access, 2020
This work sheds light on the effects of spatially multiplexed interference on multiple-input-multiple-output (MIMO) networks. In particular, any increase in the number of interfering data streams (while keeping the total interference power constant) is ...
Yiftach Richter, Itsik Bergel
doaj   +1 more source

Spatial Permutation Modulation for Multiple-Input Multiple-Output (MIMO) Systems

open access: yesIEEE Access, 2019
Spatial modulation (SM) for the multiple-input-multiple-output (MIMO) system has attracted research interests due to its high energy and spectral efficiency.
I-Wei Lai   +6 more
doaj   +1 more source

Multiple Input to Multiple Output Images Fusion Based on Turbo Iteration

open access: yesEURASIP Journal on Advances in Signal Processing, 2010
This paper mainly addresses the problem of multipolar Synthetic Aperture Radar (SAR) and colorful optical images fusion by regarding them as multichannel images.
Chu He, Meng-ling Liu, Na Li, Hong Sun
doaj   +2 more sources

Correlation characteristic analysis in diversity multiple‐input multiple‐output radar

open access: yesElectronics Letters, 2017
A huge limitation of the correlation analysis in existing scatterer model is that only uniformly distributed scatterers are considered ignoring the variability of scattering intensity in the real situation.
Jieyi Liu   +4 more
doaj   +1 more source

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

open access: yesJisuanji 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

Full-Duplex in Massive Multiple-Input Multiple-Output

open access: yesIEEE 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   +8 more
doaj   +1 more source

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

open access: yesIEEE 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

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