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相关论文: Semi-Data-Aided Channel Estimation for MIMO System…

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In this paper, we propose the joint interference cancellation, fast fading channel estimation, and data symbol detection for a general interference setting where the interfering source and the interfered receiver are unsynchronized and…

信号处理 · 电气工程与系统科学 2020-05-12 Minh Tri Nguyen , Long Bao Le

Extremely large-scale multiple-input multiple-output (XL-MIMO) is a promising technique to enable versatile applications for future wireless communications.To realize the huge potential performance gain, accurate channel state information…

信息论 · 计算机科学 2023-09-06 Hao Lei , Jiayi Zhang , Huahua Xiao , Xiaodan Zhang , Bo Ai , Derrick Wing Kwan Ng

Deep Reinforcement Learning (DRL) is a trending field of research, showing great promise in many challenging problems such as playing Atari, solving Go and controlling robots. While DRL agents perform well in practice we are still missing…

机器学习 · 统计学 2016-06-24 Nir Ben Zrihem , Tom Zahavy , Shie Mannor

Vehicle-to-Infrastructure (V2I) communication is becoming critical for the enhanced reliability of autonomous vehicles (AVs). However, the uncertainties in the road-traffic and AVs' wireless connections can severely impair timely…

机器学习 · 计算机科学 2022-08-05 Zijiang Yan , Hina Tabassum

We present a data-efficient reinforcement learning algorithm resistant to observation noise. Our method extends the highly data-efficient PILCO algorithm (Deisenroth & Rasmussen, 2011) into partially observed Markov decision processes…

机器学习 · 统计学 2016-02-09 Rowan McAllister , Carl Edward Rasmussen

We propose a method for channel training and precoding in FDD massive MIMO based on deep neural networks (DNNs), exploiting Downlink (DL) channel covariance knowledge. The DNN is optimized to maximize the DL multi-user sum-rate, by…

信息论 · 计算机科学 2023-03-21 Yi Song , Tianyu Yang , Mahdi Barzegar Khalilsarai , Giuseppe Caire

Designing sample-efficient and computationally feasible reinforcement learning (RL) algorithms is particularly challenging in environments with large or infinite state and action spaces. In this paper, we advance this effort by presenting…

机器学习 · 计算机科学 2024-10-04 Zakaria Mhammedi

Accurate channel impulse response (CIR) is required for coherent detection and it can also help improve communication quality of service in next-generation wireless communication systems. One of the advanced systems is multi-input…

信息论 · 计算机科学 2013-02-07 Guan Gui , Wei Peng , Fumiyuki Adachi

Multiple-input multiple-output (MIMO) systems will play a crucial role in future wireless communication, but improving their signal detection performance to increase transmission efficiency remains a challenge. To address this issue, we…

网络与互联网体系结构 · 计算机科学 2024-03-08 Junichiro Hagiwara , Kazushi Matsumura , Hiroki Asumi , Yukiko Kasuga , Toshihiko Nishimura , Takanori Sato , Yasutaka Ogawa , Takeo Ohgane

Traffic optimization challenges, such as load balancing, flow scheduling, and improving packet delivery time, are difficult online decision-making problems in wide area networks (WAN). Complex heuristics are needed for instance to find…

网络与互联网体系结构 · 计算机科学 2021-12-01 Shan Sun , Mariam Kiran , Wei Ren

In this paper, a semantic communication framework is proposed for textual data transmission. In the studied model, a base station (BS) extracts the semantic information from textual data, and transmits it to each user. The semantic…

信息论 · 计算机科学 2022-08-18 Yining Wang , Mingzhe Chen , Tao Luo , Walid Saad , Dusit Niyato , H. Vincent Poor , Shuguang Cui

This letter investigates a symbol-level precoder design for movable antenna (MA)-enhanced dual-functional radar-communication (DFRC) systems. To enhance radar sensing capabilities, we formulate an optimization problem aimed at maximizing…

信号处理 · 电气工程与系统科学 2026-05-28 Ran Yang , Ning Wei , Zheng Dong , Chadi Assi , You Li , Fei Xu , Yue Xiu

This article presents our initial results in deep learning for channel estimation and signal detection in orthogonal frequency-division multiplexing (OFDM). OFDM has been widely adopted in wireless broadband communications to combat…

信息论 · 计算机科学 2017-08-30 Hao Ye , Geoffrey Ye Li , Biing-Hwang Fred Juang

Maximum Likelihood (ML) algorithms, for the joint estimation of synchronization impairments and channel in Multiple Input Multiple Output-Orthogonal Frequency Division Multiplexing (MIMO-OFDM) system, are investigated in this work. A system…

信息论 · 计算机科学 2012-10-30 Renu Jose , K. V. S. Hari

In this paper, we tackle for the first time the problem of maximum likelihood (ML) estimation of the signal-to-noise ratio (SNR) parameter over time-varying single-input multiple-output (SIMO) channels. Both the data-aided (DA) and the…

应用统计 · 统计学 2014-11-19 Faouzi Bellili , Rabii Meftehi , Sofiene Affes , Alex Stephenne

We develop a two-stage deep learning pipeline architecture to estimate the uplink massive MIMO channel with one-bit ADCs. This deep learning pipeline is composed of two separate generative deep learning models. The first one is a supervised…

信号处理 · 电气工程与系统科学 2019-12-02 Eren Balevi , Jeffrey G. Andrews

Inefficient traffic signal control methods may cause numerous problems, such as traffic congestion and waste of energy. Reinforcement learning (RL) is a trending data-driven approach for adaptive traffic signal control in complex urban…

信号处理 · 电气工程与系统科学 2021-07-14 Zhenning Li , Chengzhong Xu , Guohui Zhang

Partial feedback in multiple-input multiple-output (MIMO) communication systems provides tremendous capacity gain and enables the transmitter to exploit channel condition and to eliminate channel interference. In the case of severely…

应用统计 · 统计学 2007-10-24 Kamal Shahtalebi , Golam Reza Bakhshi , Hamidreza Saligheh Rad

An efficient data-driven prediction strategy for multi-antenna frequency-selective channels must operate based on a small number of pilot symbols. This paper proposes novel channel prediction algorithms that address this goal by integrating…

信号处理 · 电气工程与系统科学 2022-03-25 Sangwoo Park , Osvaldo Simeone

Reinforcement Learning (RL) is a learning paradigm in which the agent learns from its environment through trial and error. Deep reinforcement learning (DRL) algorithms represent the agent's policies using neural networks, making their…

人工智能 · 计算机科学 2024-09-10 Jasmina Gajcin , Jovan Jeromela , Ivana Dusparic
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