High mobility channel estimation
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. 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 …
High mobility channel estimation
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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 … WebThis repository includes the source code of the STA-DNN [1] and TRFI-DNN [2] channel estimators proposed in "Deep Learning Based Channel Estimation Schemes for IEEE 802.11 p Standard" and "Joint TRFI and Deep Learning for Vehicular Channel Estimation" papers that are published in the IEEE Access journal and the proceedings of the 2024 IEEE …
WebNov 30, 2024 · High mobility channel estimation is crucial for beyond 5G (B5G) or 6Gwireless communication networks. This paper is concerned with channelestimation of … 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 …
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 … 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
WebJan 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 …
WebAug 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 … community action agency birmingham alWebBy 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. dui first offense texasWebA 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 … community action agency bessemerWebBER of 0.02. Next, we relax the perfect channel estimation assumption and present a channel estimation scheme in the delay-Doppler domain. The proposed scheme uses impulses in the delay-Doppler domain as pilots for MIMO-OTFS channel estimation. The proposed scheme is simple and effective in high-Doppler MIMO channels. For example, … community action agency baltimore countyWebApr 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 … dui from another stateWebMay 1, 2024 · Channel estimation is of great importance to ensure a reliable wireless communication service for users in high mobility scenarios. Besides, some key … duiform.weebly.comWebIn 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. dui forsyth county