High mobility channel estimation

Author: vxfu

August undefined, 2024

WebDec 2, 2024 · For instance, a regression-aided technique was indicated for channel estimation in high-mobility and nonlinear deep fading scenarios. A comprehensive survey about ML in the vehicular network context is found in [ 43 ], reviewing and discussing the AI-based channel estimation techniques in the context of high-mobility OFDM systems. WebMar 16, 2024 · propose one uplink-aided high mobility downlink channel estimation scheme for the massive MIMO-OTFS networks. Specifically, we firstly formulate the time domain massive MIMO-OTFS signal model along the uplink and adopt the expectation maximization based variational Bayesian (EM-VB) framework to

[2003.07045] Uplink-aided High Mobility Downlink …

WebSep 3, 2012 · This technique helps the mobile wireless systems to combat multipath propagation fading and Doppler shifts caused by user mobility. Channel Estimation significantly improves the performance of the mobile wireless communication systems where the channel changes over time, especially for 4G and Long Term Evolution (LTE) … WebOct 1, 2024 · In high-speed mobility scenarios, the wireless channel is frequency-time doubly selective fading channel, which will bring challenges to the channel estimation. Fig. 1. Network architecture of high-speed railway communication system. alfa romeo cars 2016

Optimum designs for high mobility systems with channel …

WebBy exploiting the sparsity of the channel in the delay and angle domains, compressed sensing (CS) algorithms can be used for channel estimation of massive multiple-input multiple-output (MIMO) systems to reduce pilot overhead. WebTrue economic mobility is contingent upon ready and equitable access to a constellation of resources and supports: • Local jobs that are stable, safe, and offer a livable wage, … WebApr 15, 2024 · For instance, in ref. , an uplink pilot based channel estimation for downlink adaptive transmission in time division duplexing (TDD) systems was investigated, where the energy efficiency (EE) of mobile users is optimized, while the relationship and tradeoff among pilot power, channel estimation, and downlink link adaptation is revealed. alfa romeo charlotte

Pose estimation and motion analysis of ski jumpers based on ECA …

High mobility channel estimation method based on improved basi…

WebDec 1, 2024 · The channel estimation based on superimposed pilot is a semi-blind channel estimation, which embeds low-power pilot symbols into the transmitted signals through … WebIn this paper, a methodology was proposed for the design and evaluation of a UAV-based high-mobility hyperspectral data transmission system, and a method of channel estimation and equalisation for data transmission was presented. The proposed channel equalisation uses a complete channel matrix in the frequency domain. alfa romeo cincinnati northWebMay 1, 2024 · Channel estimation is of great importance to ensure a reliable wireless communication service for users in high mobility scenarios. Besides, some key … alfa romeo citadine

"WebDriver fatigue is the culprit of most traffic accidents. Visual technology can intuitively judge whether the driver is in the state of fatigue. A driver fatigue detection system based on the residual channel attention network (RCAN) and head pose estimation is proposed. In the proposed system, Retinaface is employed for face location and outputs five face landmarks. " - High mobility channel estimation

High mobility channel estimation

WebApr 6, 2024 · A two-stage channel-estimation method based on generative adversarial networks (cGAN) is proposed for MIMO-OFDM systems in high-mobility scenarios and has better robustness than the current N2N-cGAN algorithm. In high-speed railways, the wireless channel and network topology change rapidly due to the high-speed movement of trains … http://www.diva-portal.org/smash/get/diva2:538857/fulltext01

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WebIn this paper, we propose one uplink-aided high mobility downlink channel estimation scheme for the massive MIMO-OTFS networks. Specifically, we firstly formulate the time domain massive MIMO-OTFS signal model along the uplink and adopt the expectation maximization based variational Bayesian (EM-VB) framework to recover the uplink … WebNov 30, 2024 · High mobility channel estimation is crucial for beyond 5G (B5G) or 6Gwireless communication networks. This paper is concerned with channelestimation of …

WebOct 24, 2024 · In order to track the changing channel in multiple-input multiple-output orthogonal frequency division multiplexing (MIMO-OFDM) systems, it is prior to estimate channel impulse response adaptively. In this paper, we proposed an adaptive blind channel estimation method based on parallel factor analysis (PARAFAC). We used an exponential … WebJan 10, 2024 · In this paper, we propose a novel channel estimation algorithm based on Long Short-Term Memory (LSTM) for UAV air-to-ground transmission to obtain Channel State Information (CSI). To estimate the current slot CSI, we construct the input, forget, and output gates to learn the time correlation of UAV channel.

WebOct 30, 2009 · High mobility communication systems need suitable channel estimation to cope high frequency selectivity channel effect. In this paper we propose data pilot based … WebWorking at high RF power leads gallium nitride (GaN) high electron mobility transistors (HEMT) to self-heating that poses a limit to device performances and reliability. Thermal characterization is t

WebIn high-speed railways, the wireless channel and network topology change rapidly due to the high-speed movement of trains and the constant change of the location of …

WebApr 12, 2024 · Real-time data-intensive applications in highly mobile environments with high data rates and low latency are one of the key requirements for beyond fifth-generation (5 G) communications. Towards this end, a combination of the millimeter wave (mmWave) band with large available spectrum and orthogonal time-frequency space (OTFS) modulation, … alfa romeo cnChannel estimation and precoding for massive MIMO under high mobility scenarios; Radio-over-fiber and millimeter-wave based technologies for 5G high mobility applications; Effective mobility management and optimal deployment of mobile relays; Enhanced mobile broadband services with high mobility See more Prospective authors must follow the IEEE J-SAC manuscript format described in the Information for Authors. All papers need to be submitted via EDAS. See more Manuscript Submission Deadline: 10 December 2024 First Notification: 15 February 2024 Acceptance Notification: 1 May 2024 Final Manuscript Due: 15 May … See more Prof. Ruisi He (Lead Guest Editor) Beijing Jiaotong University, China Dr. Fan Bai General Motors Research Center, USA Prof. David W. Matolak University of … See more alfa romeo cincinnatiWebNov 30, 2024 · High mobility channel estimation is crucial for beyond 5G (B5G) or 6G wireless communication networks. This paper is concerned with channel estimation of high mobility OFDM communication... alfa romeo classic partsWebCity of Charlotte alfa romeo charlestonWebIn high-speed railways, the wireless channel and network topology change rapidly due to the high-speed movement of trains and the constant change of the location of communication equipment. The topology is affected by channel noise, making accurate channel estimation more difficult. Therefore, the way to obtain accurate channel state information (CSI) is the … alfa romeo coffee mugWebApr 1, 2024 · Unfolded Deep Neural Network (UDNN) for High Mobility Channel Estimation Abstract: High mobility channel estimation is crucial for beyond 5G (B5G) or 6G wireless … alfa romeo cologne reviewWebA frequency domain estimation scheme is introduced under high mobility conditions[9]. One of the key ideas is to exploit the structure of the channel response. As the number of … alfa romeo commercial