Results 31 to 40 of about 78,274 (209)
ETRI Journal, 2020 In a wireless sensor network (WSN), the data transmission technique based on the cooperative multiple‐input multiple‐output (CMIMO) scheme reduces the energy consumption of sensor nodes quite effectively by utilizing the space‐time block coding scheme ...
Manish Kumar Singh, Syed Intekhab Amin
doaj +1 more source
Bootstrap frequency equalisation for MIMO wireless systems [PDF]
, 2003 The paper reports on a new class of equalisation/detection for wideband multiple input-multiple output (MIMO) communications systems. The proposed scheme is somewhat akin to a multi-carrier MIMO system, and more precisely, builds upon a single carrier ...
Fletcher, PN +4 more
core +2 more sources
Isolation Enhancement of Wide-Band MIMO Array Antennas Utilizing Resistive Loading
IEEE Access, 2019 In this paper, we propose the use of resistor-loaded paired parallel-coupled resonators (PCRs) for mutual coupling reduction and isolation enhancement in wideband MIMO array antennas.
Jung-Dong Park +2 more
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Achievability of Nonlinear Degrees of Freedom in Correlatively Changing Fading Channels [PDF]
, 2014 A new approach toward the noncoherent communications over the time varying fading channels is presented. In this approach, the relationship between the input signal space and the output signal space of a correlatively changing fading channel is shown to ...
Karzand, Mina, Zheng, Lizhong
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A Dual-Band Eight-Element MIMO Antenna Array for Future Ultrathin Mobile Terminals
Micromachines, 2022 An ultrathin dual-band eight-element multiple input–multiple output (MIMO) antenna operating in fifth-generation (5G) 3.4–3.6 GHz and 4.8–5 GHz frequency bands for future ultrathin smartphones is proposed in this paper.
Chuanba Zhang +6 more
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MIMO detection in analog VLSI [PDF]
, 2006 In this paper we propose an analog VLSI approach to maximum a posteriori (MAP) detection in multiple-input multiple-output (MIMO) systems. This detector can be seen as an extension of the well known analog decoding concept for error correcting codes, as ...
Maharatna, K +3 more
core +2 more sources
Properties of the MIMO radar ambiguity function [PDF]
, 2008 MIMO (multiple-input multiple-output) radar is an emerging technology which has drawn considerable attention. Unlike the traditional SIMO (single-input multiple-output) radar, which transmits scaled versions of a single waveform in the antenna elements ...
Chen, Chun-Yang, Vaidyanathan, P. P.
core +3 more sources
Decoding Naturalistic Episodic Memory with Artificial Intelligence and Brain‐Machine Interface
Advanced Science, EarlyView.Episodic memory weaves together what, where, and when of experience into a personal narrative. Cutting‐edge AI models may decode this intricate process in real‐life settings, revealing how neural activity encodes naturalistic memories. By merging AI with brain–machine interfaces, researchers are edging closer to mapping and even engineering memory ...
Dong Song
wiley +1 more source
Terahertz Channel Modeling, Estimation and Localization in RIS‐Assisted Systems
Advanced Electronic Materials, EarlyView.Reconfigurable intelligent surfaces have become a recent intensive research focus. Based on practical applications, channel strategies for RIS‐assisted terahertz wireless communication systems are categorized into three different types: channel modeling, channel estimation, and channel localization.
Hongjing Wang +9 more
wiley +1 more source
On Distributed Radar Networks: Signal Model, Analysis, and Signal Processing
IEEE Journal of MicrowavesA key aspect of the imaging capability of radar systems is the angular resolution, which is determined by the aperture size of the antenna array. Therefore technologies such as MIMO and especially radar networks consisting of multiple independent MIMO ...
Vinzenz Janoudi +5 more
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