High mobility channel estimation

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. 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.

Compressed Sensing-Based Sparsity Adaptive Doubly Selective Channel …

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. 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 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 … cisco systems inc chuck robbins https://inflationmarine.com

5G Wireless Communications with High Mobility - IEEE …

WebOct 28, 2024 · This paper presents the channel gain estimation algorithm for the MIMO-OFDM system under the high-speed movement environments. 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 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 … cisco systems general counsel

Uplink-Aided High Mobility Downlink Channel Estimation Over Massive

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High mobility channel estimation

Fast Fading Channel Estimation for OFDM Systems with …

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 … 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 …

High mobility channel estimation

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WebJun 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. WebIn this paper, a new OTFS modulation channel estimation technique under high mobility conditions is proposed to face the main demand for stability in high-throughput communication networks in the new century, and the scheme proves to be significantly effective in solving the fast fading problem of time-frequency dual-selective channels, a …

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 … 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.

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. 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.

WebJun 8, 2024 · In this paper, we propose one uplink-aided high mobility downlink channel estimation scheme for the massive MIMO-OTFS networks. Specifically, we firstly … cisco systems.comChannel 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 cisco systems go router firewall plusWebJan 26, 2024 · Extremely large-scale multiple-input-multiple-output (XL-MIMO) is promising to meet the high rate requirements for future 6G. To realize efficient precoding, accurate channel state information is essential. Existing channel estimation algorithms with low pilot overhead heavily rely on the channel sparsity in the angular domain, which is achieved by … cisco systems foundedWebApr 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, … cisco systems corporate office addressWebSep 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) … diamonds lyrics summer cemWebJan 7, 2015 · The high mobility gives rise to extra interference i.e inter-carrier interference (ICI). That is the main obstacle in estimating the channel. A good estimator should first … cisco systems history timelineWebWorking 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 cisco systems inc. cisco jabber