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相关论文: Gradient Pursuit-Based Channel Estimation for MmWa…

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High resolution compressive channel estimation provides information for vehicle localization when a hybrid mmWave MIMO system is considered. Complexity and memory requirements can, however, become a bottleneck when high accuracy…

信号处理 · 电气工程与系统科学 2022-04-05 Yun Chen , Joan Palacios , Nuria González-Prelcic , Takayuki Shimizu , Hongsheng Lu

This paper proposes a model-driven deep learning (MDDL)-based channel estimation and feedback scheme for wideband millimeter-wave (mmWave) massive hybrid multiple-input multiple-output (MIMO) systems, where the angle-delay domain channels'…

信息论 · 计算机科学 2022-01-20 Xisuo Ma , Zhen Gao , Feifei Gao , Marco Di Renzo

Millimeter-wave (mm-Wave) cellular systems are a promising option for a very high data rate communication because of the large bandwidth available at mm-Wave frequencies. Due to the large path-loss exponent in the mm-Wave range of the…

信息论 · 计算机科学 2015-11-06 Saeid Haghighatshoar , Giuseppe Caire

In this letter, we propose a two-stage approach to estimate the carrier frequency offset (CFO) and channel with one-bit analog-to-digital converters (ADCs). Firstly, a simple metric which is only a function of the CFO is proposed, and the…

信息论 · 计算机科学 2018-11-22 Jiang Zhu , Hangting Cao , Zhiwei Xu

Millimeter-wave (mmWave) technology is one of the most promising candidates for future wireless communication systems as it can offer large underutilized bandwidths and eases the implementation of large antenna arrays which are required to…

信号处理 · 电气工程与系统科学 2019-04-01 Nuno Souto , João Silva , João Pavia , Marco Ribeiro

Millimeter wave (mmWave) signals experience orders-of-magnitude more pathloss than the microwave signals currently used in most wireless applications. MmWave systems must therefore leverage large antenna arrays, made possible by the…

信息论 · 计算机科学 2016-11-18 Omar El Ayach , Sridhar Rajagopal , Shadi Abu-Surra , Zhouyue Pi , Robert W. Heath

The recently introduced atomic norm minimization (ANM) framework for parameter estimation is a promising candidate towards low overhead channel estimation in wireless communications. However, previous works on ANM-based channel estimation…

信息论 · 计算机科学 2018-09-05 Stelios Stefanatos , Mahdi Barzegar Khalilsarai , Gerhard Wunder

Massive multiuser multiple-input multiple-output (MIMO) and millimeter-wave (mmWave) communication are key physical layer technologies in future wireless systems. Their deployment, however, is expected to incur excessive baseband processing…

硬件体系结构 · 计算机科学 2025-11-17 Seyed Hadi Mirfarshbafan , Christoph Studer

We consider the problem of channel estimation for millimeter wave (mmWave) systems, where, to minimize the hardware complexity and power consumption, an analog transmit beamforming and receive combining structure with only one radio…

信息论 · 计算机科学 2017-05-09 Xingjian Li , Jun Fang , Hongbin Li , Pu Wang

This paper tackles the problem of millimeter-Wave (mmWave) channel estimation in massive MIMO communication systems. A new Bayes-optimal channel estimator is derived using recent advances in the approximate belief propagation (BP) Bayesian…

信息论 · 计算机科学 2019-03-07 Faouzi Bellili , Foad Sohrabi , Wei Yu

By employing the lens antenna array, beamspace MIMO can utilize beam selection to reduce the number of required RF chains in mmWave massive MIMO systems without obvious performance loss. However, to achieve the capacityapproaching…

信息论 · 计算机科学 2016-07-19 Linglong Dai , Xinyu Gao , Shuangfeng Han , Chih-Lin I , Xiaodong Wang

This paper is concerned with the channel estimation problem in Millimeter wave (mmWave) wireless systems with large antenna arrays. By exploiting the inherent sparse nature of the mmWave channel, we first propose a fast channel estimation…

信息论 · 计算机科学 2016-11-17 Matthew Kokshoorn , He Chen , Peng Wang , Yonghui Li , Branka Vucetic

In massive multiple-input multiple-output (MIMO) systems, acquisition of the channel state information at the transmitter side (CSIT) is crucial. In this paper, a practical CSIT estimation scheme is proposed for frequency division duplexing…

网络与互联网体系结构 · 计算机科学 2016-10-13 Zhiyi Zhou , Xu Chen , Dongning Guo , Michael L. Honig

We consider the problem of channel estimation for uplink multiuser massive MIMO systems, where, in order to significantly reduce the hardware cost and power consumption, one-bit analog-to-digital converters (ADCs) are used at the base…

信息论 · 计算机科学 2017-04-18 Feiyu Wang , Jun Fang , Hongbin Li , Shaoqian Li

Millimeter-wave (mmWave) channels, which occupy frequency ranges much higher than those being used in previous wireless communications systems, are utilized to meet the increased throughput requirements that come with 5G communications. The…

信号处理 · 电气工程与系统科学 2023-02-16 Esen Özbay

In this paper, we investigate a multi-cell millimeter wave (mmWave) massive multiple-input multiple-output (MIMO) network with low-precision analog-to-digital converters (ADCs) at the base station (BS). Each cell serves multiple users and…

信息论 · 计算机科学 2018-10-08 Jindan Xu , Wei Xu , Hua Zhang , Geoffrey Ye Li , Xiaohu You

Exploiting channel sparsity at millimeter wave (mmWave) frequencies reduces the high training overhead associated with the channel estimation stage. Compressive sensing (CS) channel estimation techniques usually adopt the (overcomplete)…

信息论 · 计算机科学 2019-09-23 Hongxiang Xie , Javier Rodríguez-Fernández , Nuria González-Prelcic

This paper is concerned with the channel estimation problem in millimetre wave (MMW) wireless systems with large antenna arrays. By exploiting the sparse nature of the MMW channel, we present an efficient estimation algorithm based on a…

信息论 · 计算机科学 2018-04-19 Matthew Kokshoorn , Peng Wang , Yonghui Li , Branka Vucetic

Massive multiple-input multiple-output (MIMO) enjoys great advantage in 5G wireless communication systems owing to its spectrum and energy efficiency. However, hundreds of antennas require large volumes of pilot overhead to guarantee…

信号处理 · 电气工程与系统科学 2023-09-26 An Chen , Wenbo Xu , Liyang Lu , Yue Wang

This paper studies a formulation of 1-bit Compressed Sensing (CS) problem based on the maximum likelihood estimation framework. In order to solve the problem we apply the recently proposed Gradient Support Pursuit algorithm, with a minor…

信息论 · 计算机科学 2013-04-25 Sohail Bahmani , Petros T. Boufounos , Bhiksha Raj