Results 41 to 50 of about 128,430 (194)

A MIMO FMCW radar approach to HFSWR [PDF]

Advances in Radio Science, 2011
In this paper we propose one possible approach how to apply the concept of multiple-input multiple-output (MIMO) to monostatic Frequency Modulated Continuous Wave (FMCW) High-Frequency Surface Wave Radar (HFSWR) in a maritime environment.
J. O. Hinz, U. Zölzer
doaj   +1 more source

Eight-Port MIMO Array Using Characteristic Mode Theory for 5G Smartphone Applications

IEEE Access, 2019
An 8-port multiple-input multiple-output (MIMO) array operating in the long-term evolution (LTE) band 42 (3400-3600 MHz) based on the characteristic mode theory (CMT) is described.
Ying Liu, Aidi Ren, Hu Liu, Hanyang Wang, Chow-Yen-Desmond Sim   +4 more
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Investigation of MIMO Channel Characteristics in a Two-Section Tunnel at 1.4725 GHz

International Journal of Antennas and Propagation, 2017
This paper presents results from a wide band single-input–single-output (SISO) and 16 × 16 virtual multiple-input–multiple-output (MIMO) measurement campaign at a center frequency of 1.4725 GHz in a 100-meter long tunnel laboratory which is terminated by
Rongchen Sun, David W. Matolak, Cheng Tao, Liu Liu, Zhenhui Tan, Tao Zhou   +5 more
doaj   +1 more source

Joint Processing of Pilot and Data for Massive MIMO Systems in Ricean Fading Channels

IEEE Access, 2019
Besides the pilot symbols, the received data signals also contain some extra channel state information (CSI), which can be exploited to further improve the channel estimation accuracy.
Yuanxue Xin, Pengfei Shi, Wenrui Tang, Dongming Wang, Xuewu Zhang, Xiaohu You   +5 more
doaj   +1 more source

Polarization spatial diversity and multiplexing MIMO surface enabled by graphene for terahertz communications

Nanophotonics
The terahertz (THz) frequency band has abundant spectrum resources, which is suitable for constructing communication systems with ultra-high data rates and extremely low latency. Multiple input multiple output (MIMO) devices are crucial for realizing THz
Huang Jianzhou, Wu Xudong, Xiong Chenjie, Zhang Jia, Hu Bin   +4 more
doaj   +1 more source

Comparative analysis of classification techniques and input-output patterns for monthly rainfall prediction

Water Science
Rainfall prediction is one of the crucial stages of the watershed management process. In this research, A comparison of the performance among Monte Carlo and Thomas Fiering, linear regression (LR), multiple linear regression (MLR), and SVM optimized by ...
Nadia Sedghnejad, Hamed Nozari, Safar Marofi   +2 more
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Preamble Design With Interference Cancellation for Channel Estimation in MIMO-FBMC/OQAM Systems

IEEE Access, 2018
Multiple-input multiple-output filter bank multicarrier with offset quadrature amplitude modulation (MIMO-FBMC/OQAM) system utilizes the multiple antennas technology, and it can provide more advantages than conventional FBMC/OQAM system.
Han Wang, Lingwei Xu, Xianpeng Wang, Sohail Taheri   +3 more
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Frequency-domain equalization for OFDMA-based multiuser MIMO systems with improper modulation schemes

EURASIP Journal on Advances in Signal Processing, 2011
In this paper, we propose a novel transceiver structure for orthogonal frequency division multiple access-based uplink multiuser multiple-input multiple-output systems.
Wu Yi, Lin Zihuai, Vucetic Branka, Cowan Colin, Fagan Anthony, Xiao Pei   +5 more
doaj  

Performance evaluation of frequency division duplex (FDD) massive multiple input multiple output (MIMO) under different correlation models. [PDF]

PeerJ Comput Sci, 2022
Abdul-Hadi AM, Abdulrazzaq Naser M, Alsabah M, Abdulhussain SH, Mahmmod BM.   +4 more
europepmc   +1 more source

Adaptive Multi-Node Multiple Input and Multiple Output (MIMO) Transmission for Mobile Wireless Multimedia Sensor Networks

Sensors, 2013
Mobile wireless multimedia sensor networks (WMSNs), which consist of mobile sink or sensor nodes and use rich sensing information, require much faster and more reliable wireless links than static wireless sensor networks (WSNs).
Cheolwoo You, Ji-Woong Choi, Sunghyun Cho   +2 more
doaj   +1 more source