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相关论文: A Hybrid Millimeter-wave Channel Simulator for Joi…

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In this article, we investigate channel estimation for wideband millimeter-wave (mmWave) massive multiple-input multiple-output (MIMO) under hybrid architecture with lowprecision analog-to-digital converters (ADCs). To design channel…

信号处理 · 电气工程与系统科学 2018-09-13 Yucheng Wang , Wei Xu , Hua Zhang , Xiaohu You

This paper proposes a joint communication and indoor positioning (JCP) system based on visible light communication (VLC) designed for high-precision indoor environments. The framework supports 2D and 3D positioning using received signal…

信号处理 · 电气工程与系统科学 2025-08-07 A. Tarik Leblebici , Sumeyra Hassan , Erdal Panayirci , H. Vincent Poor

The high path loss associated with millimeter wave (mmWave) frequency communication can be compensated by large scale antenna arrays such as multiple-input multiple-output (MIMO) systems. The hybrid beamforming architecture which uses fewer…

信号处理 · 电气工程与系统科学 2022-11-17 Evangelos Vlachos , Aryan Kaushik , Muhammad Z. Shakir

Synergistic design of communications and radar systems with common spectral and hardware resources is heralding a new era of efficiently utilizing a limited radio-frequency spectrum. Such a joint radar-communications (JRC) model has…

信号处理 · 电气工程与系统科学 2019-09-24 Kumar Vijay Mishra , Bhavani Shankar M. R. , Visa Koivunen , Björn Ottersten , Sergiy A. Vorobyov

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

Millimeter-wave (mmWave) cloud radio access networks (CRANs) provide new opportunities for accurate cooperative localization, in which large bandwidths, large antenna arrays, and increased densities of base stations allow for their…

信息论 · 计算机科学 2019-08-13 Jie Yang , Shi Jin , Chao-Kai Wen , Jiajia Guo , Michail Matthaiou

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

Semantic communication, when examined through the lens of joint source-channel coding (JSCC), maps source messages directly into channel input symbols, where the measure of success is defined by end-to-end distortion rather than traditional…

信息论 · 计算机科学 2024-07-09 Tze-Yang Tung , Homa Esfahanizadeh , Jinfeng Du , Harish Viswanathan

One strategy to obtain user location information in a wireless network operating at millimeter wave (mmWave) is based on the exploitation of the geometric relationships between the channel parameters and the user position. These…

信号处理 · 电气工程与系统科学 2025-03-11 Yun Chen , Nuria González-Prelcic , Takayuki Shimizu , Hongsheng Lu

Accurate channel modeling and simulation are indispensable for millimeter-wave wideband communication systems that employ electrically-steerable and narrow beam antenna arrays. Three important channel modeling components, spatial…

信息论 · 计算机科学 2019-08-27 Shihao Ju , Ojas Kanhere , Yunchou Xing , Theodore S. Rappaport

We propose super-resolution MIMO channel estimators for millimeter-wave (mmWave) systems that employ hybrid analog and digital beamforming and generalized spatial modulation, respectively. Exploiting the inherent sparsity of mmWave…

信息论 · 计算机科学 2018-01-24 Hongyun Chu , Le Zheng , Xiaodong Wang

Configuring the hybrid precoders and combiners in a millimeter wave (mmWave) multiuser (MU) multiple-input multiple-output (MIMO) system is challenging in frequency selective channels. In this paper, we develop a system that uses…

This paper focuses on multiuser MIMO channel estimation and data transmission at millimeter wave (mmWave) frequencies. The proposed approach relies on the time-division-duplex (TDD) protocol and is based on two distinct phases. First of…

信息论 · 计算机科学 2017-04-25 Stefano Buzzi , Carmen D'Andrea

Intelligent reflecting surface (IRS) is a novel burgeoning concept, which possesses advantages in enhancing wireless communication and user localization, while maintaining low hardware cost and energy consumption. Herein, we establish an…

信息论 · 计算机科学 2021-03-02 Rui Wang , Zhe Xing , Erwu Liu

This paper proposes a joint channel and data estimation (JCDE) algorithm for uplink multiuser extremely large-scale multiple-input-multiple-output (XL-MIMO) systems. The initial channel estimation is formulated as a sparse reconstruction…

信号处理 · 电气工程与系统科学 2025-08-20 Kabuto Arai , Koji Ishibashi , Hiroki Iimori , Paulo Valente Klaine , Szabolcs Malomsoky

Channel-state-information-based localization in 5G networks has been a promising way to obtain highly accurate positions compared to previous communication networks. However, there is no unified and effective platform to support the…

信号处理 · 电气工程与系统科学 2022-12-27 Xinghua Jia , Peng Liu , Wangdong Qi , Shengheng Liu , Yongming Huang , Wang Zheng , Mengguan Pan , Xiaohu You

Media-based modulation (MBM), exploiting rich scattering properties of transmission environments via different radiation patterns of a single reconfigurable antenna (RA), has brought new insights into future communication systems. In this…

信息论 · 计算机科学 2021-11-17 Zehra Yigit , Ertugrul Basar , Ibrahim Altunbas

Millimeter wave (mmWave) signals are useful for simultaneous localization and mapping (SLAM), due to their inherent geometric connection to the propagation environment and the propagation channel. To solve the SLAM problem, existing…

信号处理 · 电气工程与系统科学 2021-09-09 Yu Ge , Ossi Kaltiokallio , Hyowon Kim , Fan Jiang , Jukka Talvitie , Mikko Valkama , Lennart Svensson , Sunwoo Kim , Henk Wymeersch

Channel splicing is a rather new and very promising concept. It allows to realize a wideband channel sounder by combining multiple narrow-band measurements. Among others, channel splicing is a sparse sensing techniques suggested for use in…

网络与互联网体系结构 · 计算机科学 2023-05-10 Sigrid Dimce , Anatolij Zubow , Alireza Bayesteh , Giuseppe Caire , Falko Dressler

Channel knowledge map (CKM), which aims to directly reflect the intrinsic channel properties of the local wireless environment, is a novel technique for achieving environmentaware communication. In this paper, to alleviate the large…

系统与控制 · 电气工程与系统科学 2024-03-14 Zhuoyin Dai , Di Wu , Zhenjun Dong , Kun Li , Dingyang Ding , Sihan Wang , Yong Zeng