High mobility channel estimation
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 … 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 …
High mobility channel estimation
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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. 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, …
WebTerm Evolution (LTE) systems. Channel estimation is done by estimating the time-varying channel frequency response for the OFDM symbols. -Timevariant channel estimation using Discrete Prolate Spheroidal Sequences (DPSS) technique is a useful channel estimation technique in communication for accumobile wireless rately estimating transmitted 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. 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) …
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, …
WebApr 7, 2013 · In this paper, we propose an iterative channel estimation and inter-carrier interference (ICI) cancellation method for highly mobile users in Long-Term-Evolution (LTE) systems. The proposed scheme estimates the wireless channel by using pilot symbols, estimates of the data symbols and Doppler spread information at the receiver. greenlee knife by old timerWebAug 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 … flyin eventsWebApr 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 … greenlee knockout hole punchWebNov 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... greenlee knockout punch set 35182gWebCharlotte, North Carolina fly in feldkirchenWebMar 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 greenlee knockout punch set 735bbWebIn 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 … greenlee knockout punch set