High mobility channel estimation

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August undefined, 2024

WebJun 1, 2014 · This paper studies the optimum system designs of high mobility wireless communication systems with channel estimation errors. In high mobility systems, the … 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) …

A UAV Air-to-Ground Channel Estimation Algorithm Based on

WebNov 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... 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. green apple cream

High mobility channel estimation method based on …

WebIn section 5 we explain the power spectrum estimation of the time-variant channel effected by the Doppler shifts produced by user mobility. Section 5 and 5 explain the periodogram, the method which used to estimate the power spectrum of the WINNER model. WebCity of Charlotte WebA 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 … flowers by michael beverly hills

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High mobility channel estimation

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

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 … WebUAV’s high-mobility channel is challenging. While high bandwidth of hyperspectral imaging justify using orthogonal frequency division multiplexing (OFDM) for data transmission, the …

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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 … WebApr 15, 2024 · Ski jumping is a high-speed sport, which makes it difficult to accurately analyze the technical motion in a subjective way. To solve this problem, we propose an image-based pose estimation method ...

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 15, 2024 · Ski jumping is a high-speed sport, which makes it difficult to accurately analyze the technical motion in a subjective way. To solve this problem, we propose an …

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. 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, …

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 …

http://www.diva-portal.org/smash/get/diva2:538857/fulltext01 green apple daycare port moodyWebDriver 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. green apple daycare harvey laWebIn 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. green apple crown priceWebAug 18, 2024 · Channel estimation scheme for OFDM modulated transmissions usually combines an initial block-pilot-assisted stage with a tracking one based on comb or scattered pilots distributed among user data in the signal frame. The channel reconstruction accuracy in the former stage has a significant impact on tracking efficiency of the … green apple crown royal songWebOct 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 … green apple crown royalWebOct 28, 2024 · This paper presents the channel gain estimation algorithm for the MIMO-OFDM system under the high-speed movement environments. green apple crisp recipe easyWebJun 3, 2024 · In summary, in order to improve the robustness and reliability of the end-to-end communication link of CPS, channel estimation and interpolation is implemented based on Bayesian filtering and the theories of BEM, joint estimation of channel response, and time domain correlation coefficient. flowers by michelle idaho