Search Results for author: Cheng-Xiang Wang

Found 43 papers, 1 papers with code

Exploit High-Dimensional RIS Information to Localization: What Is the Impact of Faulty Element?

no code implementations25 Mar 2024 Tuo Wu, Cunhua Pan, Kangda Zhi, Hong Ren, Maged Elkashlan, Cheng-Xiang Wang, Robert Schober, Xiaohu You

Then our objective is to regain the information lost from the faulty elements and reconstruct the complete high-dimensional RIS information for localization.

Transfer Learning

A WINNER+ Based 3-D Non-Stationary Wideband MIMO Channel Model

no code implementations1 Dec 2023 Ji Bian, Jian Sun, Cheng-Xiang Wang, Rui Feng, Jie Huang, Yang Yang, Minggao Zhang

In this paper, a three-dimensional (3-D) non-stationary wideband multiple-input multiple-output (MIMO) channel model based on the WINNER+ channel model is proposed.

Novel 3D Geometry-Based Stochastic Models for Non-Isotropic MIMO Vehicle-to-Vehicle Channels

no code implementations1 Dec 2023 Yi Yuan, Cheng-Xiang Wang, Xiang Cheng, Bo Ai, David I. Laurenson

Moreover, a novel parameter computation method is proposed for jointly calculating the azimuth and elevation angles in the SoS channel simulator.

PICO

A Novel 3D Non-stationary Localization-assisted ISAC Channel Model

no code implementations28 Nov 2023 Runruo Yang, Yang Wu, Jie Huang, Cheng-Xiang Wang

Integrated sensing and communication (ISAC) has attracted wide attention as an emerging application scenario for the sixth generation (6G) wireless communication system.

A General 3D Non-Stationary 5G Wireless Channel Model

no code implementations28 Nov 2023 Shangbin Wu, Cheng-Xiang Wang, el-Hadi M. Aggoune, Mohammed M. Alwakeel, Xiao-Hu You

A novel unified framework of geometry-based stochastic models (GBSMs) for the fifth generation (5G) wireless communication systems is proposed in this paper.

Performance Analysis and Low-Complexity Design for XL-MIMO with Near-Field Spatial Non-Stationarities

no code implementations31 Mar 2023 Kangda Zhi, Cunhua Pan, Hong Ren, Kok Keong Chai, Cheng-Xiang Wang, Robert Schober, Xiaohu You

Our analytical results indicate that a limited part of the XL-array receives the majority of the signal power in the near field, which leads to a notion of visibility region (VR) of a user.

On the Road to 6G: Visions, Requirements, Key Technologies and Testbeds

no code implementations28 Feb 2023 Cheng-Xiang Wang, Xiaohu You, Xiqi Gao, Xiuming Zhu, Zixin Li, Chuan Zhang, Haiming Wang, Yongming Huang, Yunfei Chen, Harald Haas, John S. Thompson, Erik G. Larsson, Marco Di Renzo, Wen Tong, Peiying Zhu, Xuemin, Shen, H. Vincent Poor, Lajos Hanzo

A series of white papers and survey papers have been published, which aim to define 6G in terms of requirements, application scenarios, key technologies, etc.

Fingerprint Based mmWave Positioning System Aided by Reconfigurable Intelligent Surface

no code implementations21 Oct 2022 Tuo Wu, Cunhua Pan, Yijin Pan, Hong Ren, Maged Elkashlan, Cheng-Xiang Wang

By using the STCRV as input, we propose a novel residual convolution network regression (RCNR) learning algorithm to output the estimated three-dimensional (3D) position of the MU.

Position regression

Channel Modeling for UAV-to-Ground Communications with Posture Variation and Fuselage Scattering Effect

no code implementations5 Oct 2022 Boyu Hua, Haoran Ni, Qiuming Zhu, Cheng-Xiang Wang, Tongtong Zhou, Kai Mao, Junwei Bao, Xiaofei Zhang

Unmanned aerial vehicle (UAV)-to-ground (U2G) channel models play a pivotal role for reliable communications between UAV and ground terminal.

An SBR Based Ray Tracing Channel Modeling Method for THz and Massive MIMO Communications

no code implementations22 Aug 2022 Yuanzhe Wang, Hao Cao, Yifan Jin, Zizhe Zhou, Yinghua Wang, Jialing Huang, Yuxiao Li, Jie Huang, Cheng-Xiang Wang

Terahertz (THz) communication and the application of massive multiple-input multiple-output (MIMO) technology have been proved significant for the sixth generation (6G) communication systems, and have gained global interests.

A Weighted Random Forest Based PositioningAlgorithm for 6G Indoor Communications

no code implementations22 Aug 2022 Yang Wu, Yinghua Wang, Jie Huang, Cheng-Xiang Wang, Chen Huang

Due to the indoor none-line-of-sight (NLoS) propagation and multi-access interference (MAI), it is a great challenge to achieve centimeter-level positioning accuracy in indoor scenarios.

An Improved Equiangular Division Algorithm for SBR based Ray Tracing Channel Modeling

no code implementations22 Aug 2022 Yuyang Zhou, Yinghua Wang, Yuxiao Li, Jialing Huang, Jie Huang, Cheng-Xiang Wang

With the proposed iterative precise algorithm, error of angle of departure (AOD) and angle of arrival (AOA) is below 0. 01 degree.

Integrating Satellites and Mobile Edge Computing for 6G Wide-Area Edge Intelligence: Minimal Structures and Systematic Thinking

no code implementations16 Aug 2022 Yueshan Lin, Wei Feng, Ting Zhou, Yanmin Wang, Yunfei Chen, Ning Ge, Cheng-Xiang Wang

The sixth-generation (6G) network will shift its focus to supporting everything including various machine-type devices (MTDs) in an everyone-centric manner.

Edge-computing Management

Reconfigurable intelligent surfaces: Channel characterization and modeling

no code implementations6 Jun 2022 Jie Huang, Cheng-Xiang Wang, Yingzhuo Sun, Rui Feng, Jialing Huang, Bolun Guo, Zhimeng Zhong, Tie Jun Cui

Reconfigurable intelligent surfaces (RISs) are two dimensional (2D) metasurfaces which can intelligently manipulate electromagnetic waves by low-cost near passive reflecting elements.

Pervasive wireless channel modeling theory and applications to 6G GBSMs for all frequency bands and all scenarios

no code implementations6 Jun 2022 Cheng-Xiang Wang, Zhen Lv, Xiqi Gao, Xiaohu You, Yang Hao, Harald Haas

In this paper, a pervasive wireless channel modeling theory is first proposed, which uses a unified channel modeling method and a unified equation of channel impulse response (CIR), and can integrate important channel characteristics at different frequency bands and scenarios.

Geometry-Based Stochastic Probability Models for the LoS and NLoS Paths of A2G Channels under Urban Scenario

no code implementations19 May 2022 Minghui Pang, Qiuming Zhu, Cheng-Xiang Wang, Zhipeng Lin, Junyu Liu, Chongyu Lv, Zhuo Li

Path probability prediction is essential to describe the dynamic birth and death of propagation paths, and build the accurate channel model for air-to-ground (A2G) communications.

A Novel 3D Non-Stationary Channel Model for 6G Indoor Visible Light Communication Systems

no code implementations6 Apr 2022 Xiuming Zhu, Cheng-Xiang Wang, Jie Huang, Ming Chen, Harald Haas

The visible light communication (VLC) technology has attracted much attention in the research of the sixth generation (6G) communication systems.

Artificial intelligence enabled radio propagation for communications-Part II: Scenario identification and channel modeling

no code implementations24 Nov 2021 Chen Huang, Ruisi He, Bo Ai, Andreas F. Molisch, Buon Kiong Lau, Katsuyuki Haneda, Bo Liu, Cheng-Xiang Wang, Mi Yang, Claude Oestges, Zhangdui Zhong

This two-part paper investigates the application of artificial intelligence (AI) and in particular machine learning (ML) to the study of wireless propagation channels.

Artificial intelligence enabled radio propagation for communications-Part I: Channel characterization and antenna-channel optimization

no code implementations24 Nov 2021 Chen Huang, Ruisi He, Bo Ai, Andreas F. Molisch, Buon Kiong Lau, Katsuyuki Haneda, Bo Liu, Cheng-Xiang Wang, Mi Yang, Claude Oestges, Zhangdui Zhong

To provide higher data rates, as well as better coverage, cost efficiency, security, adaptability, and scalability, the 5G and beyond 5G networks are developed with various artificial intelligence techniques.

A Geometry-Based Stochastic Model for Truck Communication Channels in Freeway Scenarios

no code implementations20 Oct 2021 Chen Huang, Rui Wang, Cheng-Xiang Wang, Pan Tang, Andreas F. Molisch

We validate this model by contrasting the root-mean-square delay spread and the angular spreads of departure/arrival derived from the channel model with the outcomes directly derived from the measurements.

Collision Avoidance

A 2D Non-Stationary Channel Model for Underwater Acoustic Communication Systems

no code implementations14 Aug 2021 Xiuming Zhu, Cheng-Xiang Wang, Ruofei Ma

In this paper, a modified non-stationary wideband channel model for UWA communication in shallow water scenarios is proposed.

A 3D Non-Stationary Geometry-Based Stochastic Model for Industrial Automation Wireless Communication Systems

no code implementations14 Aug 2021 Yuxiao Li, Cheng-Xiang Wang, Yang Liu

Industrial automation is one of the key application scenarios of the fifth (5G) wireless communication network.

A Novel 3D Non-Stationary GBSM for 6G THz Ultra-Massive MIMO Wireless Systems

no code implementations14 Aug 2021 Jun Wang, Cheng-Xiang Wang, Jie Huang, Haiming Wang, Xiqi Gao, Xiaohu You, Yang Hao

Terahertz (THz) communication is now being considered as one of possible technologies for the sixth generation (6G) wireless communication systems.

Multi-Frequency Wireless Channel Measurements and Characteristics Analysis in Indoor Corridor Scenarios

no code implementations14 Aug 2021 ZiHao Zhou, Li Zhang, Xinyue Chen, Cheng-Xiang Wang, Jie Huang

In this paper, we conduct wireless channel measurements in indoor corridor scenarios at 2. 4, 5 and 6 GHz bands with bandwidth of 320 MHz.

A 3D Non-Stationary Channel Model for 6G Wireless Systems Employing Intelligent Reflecting Surfaces with Practical Phase Shifts

no code implementations25 Apr 2021 Yingzhuo Sun, Cheng-Xiang Wang, Jie Huang, Jun Wang

In this paper, a three-dimensional (3D) geometry based stochastic model (GBSM) for a massive multiple-input multiple-output (MIMO) communication system employing practical discrete intelligent reflecting surface (IRS) is proposed.

A General 3D Space-Time-Frequency Non-Stationary THz Channel Model for 6G Ultra-Massive MIMO Wireless Communication Systems

no code implementations20 Apr 2021 Jun Wang, Cheng-Xiang Wang, Jie Huang, Haiming Wang, Xiqi Gao

The proposed THz channel model is very general having the capability to capture different channel characteristics in multiple THz application scenarios such as indoor scenarios, device-to-device (D2D) communications, ultra-massive multiple-input multiple-output (MIMO) communications, and long traveling paths of users.

A General 3D Non-Stationary Wireless Channel Model for 5G and Beyond

no code implementations17 Jan 2021 Ji Bian, Cheng-Xiang Wang, Xiqi Gao, Xiaohu You, Minggao Zhang

In this paper, a novel three-dimensional (3D) non-stationary geometry-based stochastic model (GBSM) for the fifth generation (5G) and beyond 5G (B5G) systems is proposed.

A 3D Non-stationary MmWave Channel Model for Vacuum Tube Ultra-High-Speed Train Channels

no code implementations17 Jan 2021 YingJie Xu, Kai Yu, Li Li, Xianfu Lei, Li Hao, Cheng-Xiang Wang

As a potential development direction of future transportation, the vacuum tube ultra-high-speed train (UHST) wireless communication systems have newly different channel characteristics from existing high-speed train (HST) scenarios.

A General 3D Non-Stationary Massive MIMO GBSM for 6G Communication Systems

no code implementations17 Jan 2021 Yi Zheng, Long Yu, Runruo Yang, Cheng-Xiang Wang

A general three-dimensional (3D) non-stationary massive multiple-input multiple-output (MIMO) geometry-based stochastic model (GBSM) for the sixth generation (6G) communication systems is proposed in the paper.

A 3D Non-Stationary Channel Model for 6G Wireless Systems Employing Intelligent Reflecting Surface

no code implementations3 Dec 2020 Yingzhuo Sun, Cheng-Xiang Wang, Jie Huang, Jun Wang

The evolution of clusters on the linear array and planar array is also considered in the proposed model.

A Non-Stationary VVLC MIMO Channel Model for Street Corner Scenarios

no code implementations28 Jul 2020 Qingshan Chen, Cheng-Xiang Wang, Jian Sun, Wensheng Zhang, Qiuming Zhu

The study of the underlying VLC channel is the basis for designing the VLC communication system.

Effects of Digital Map on the RT-based Channel Model for UAV mmWave Communications

no code implementations28 Jul 2020 Qiuming Zhu, Shan Jiang, Cheng-Xiang Wang, Boyu Hua, Kai Mao, Xiaomin Chen, Weizhi Zhong

Based on the geometry and ray tracing (RT) theory, a millimeter wave (mmWave) channel model and parameter computation method for unmanned aerial vehicle (UAV) assisted air-to-ground (A2G) communications are proposed in this paper.

BER Performance of Spatial Modulation Systems Under a Non-Stationary Massive MIMO Channel Model

no code implementations28 Jul 2020 Yu Fu, Cheng-Xiang Wang, Xuming Fang, Li Yan, Stephen McLaughlin

When compared with the V-BLAST system and the channel inversion system, SM approaches offer advantages in performance for MU massive MIMO systems.

Multi-Frequency Multi-Scenario Millimeter Wave MIMO Channel Measurements and Modeling for B5G Wireless Communication Systems

no code implementations28 Jul 2020 Jie Huang, Cheng-Xiang Wang, Hengtai Chang, Jian Sun, Xiqi Gao

Millimeter wave (mmWave) bands have been utilized for the fifth generation (5G) communication systems and will no doubt continue to be deployed for beyond 5G (B5G).

6G Oriented Wireless Communication Channel Characteristics Analysis and Modeling

no code implementations28 Jul 2020 Cheng-Xiang Wang, Jie Huang, Haiming Wang, Xiqi Gao, Xiaohu You, Yang Hao

Based on the vision on the 6G wireless communication network, i. e., global coverage, all spectrums and all applications, we comprehensively survey 6G related wireless channel measurements, channel characteristics, and channel models for all frequency bands and all scenarios.

End-to-End Energy Efficiency Evaluation for B5G Ultra Dense Networks

no code implementations28 Jul 2020 Yu Fu, Mohammad Dehghani Soltani, Hamada Alshaer, Cheng-Xiang Wang, Majid Safari, Stephen McLaughlin, Harald Haas

This paper proposes an end-to-end (e2e) power consumption model and studies the energy efficiency for a heterogeneous B5G cellular architecture that separates the indoor and outdoor communication scenarios in ultra dense networks.

Cell-Free Satellite-UAV Networks for 6G Wide-Area Internet of Things

no code implementations22 Jul 2020 Chengxiao Liu, Wei Feng, Yunfei Chen, Cheng-Xiang Wang, Ning Ge

In fifth generation (5G) and beyond Internet of Things (IoT), it becomes increasingly important to serve a massive number of IoT devices outside the coverage of terrestrial cellular networks.

Fairness

Enabling 5G on the Ocean: A Hybrid Satellite-UAV-Terrestrial Network Solution

no code implementations1 Jun 2020 Xiangling Li, Wei Feng, Jue Wang, Yunfei Chen, Ning Ge, Cheng-Xiang Wang

In this paper, we study the integration of UAVs with existing MCNs, and investigate the potential gains of hybrid satellite-UAV-terrestrial networks for maritime coverage.

Scheduling

A Big Data Enabled Channel Model for 5G Wireless Communication Systems

no code implementations28 Feb 2020 Jie Huang, Cheng-Xiang Wang, Lu Bai, Jian Sun, Yang Yang, Jie Li, Olav Tirkkonen, Ming-Tuo Zhou

This paper investigates various applications of big data analytics, especially machine learning algorithms in wireless communications and channel modeling.

BIG-bench Machine Learning

Spectrum-Energy-Economy Efficiency Trade-off of Wireless Communication Systems with Separated Indoor/Outdoor Scenarios for 5G and B5G

no code implementations23 Dec 2019 Yu Fu, Cheng-Xiang Wang, Zijun Zhao, Stephen McLaughlin

In this paper, we consider a heterogeneous 5G cellular architecture that separates the outdoor and indoor scenarios and in particular study the trade-off between the spectrum efficiency (SE), energy efficiency (EE), economy efficiency (ECE).

Lost Silence: An emergency response early detection service through continuous processing of telecommunication data streams

1 code implementation13 Mar 2019 Qianru Zhou, Stephen McLaughlin, Alasdair J. G. Gray, Shangbin Wu, Cheng-Xiang Wang

In this paper a methodology is illustrated to detect such incidents immediately (with the delay in the order of milliseconds), by processing semantically annotated streams of data in cellular telecommunication systems.

Computers and Society Networking and Internet Architecture

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