254 citations · 579 across the 35 of their papers we have counts for
23 papers · 1 filter
Channel Map-Based Channel Estimation for Near-Field UM-MIMO with Movable Planar Arrays
Shuaifei Chen, Cheng-Xiang Wang, Chen Huang +4
Accurate channel estimation is essential for coherent transmission in ultra-massive multiple-input multiple-output (UM-MIMO) systems, where near-field propagation and high-dimensio…
Channel Charting With Physical Channel Fingerprints For Massive MIMO-OFDM Channel Acquisition
Jinke Tang, Xiqi Gao, Li You +2
The advancement of 6G mobile communication and positioning technologies has amplified the significance of location-aware tools, such as location-indexed channel fingerprints (CFs)…
An Efficient Pre-Processing Method for 6G Dynamic Ray-Tracing Channel Modeling
Songjiang Yang, Cheng-Xiang Wang, Yinghua Wang +3
The ray-tracing is often employed in urban areas for channel modeling with high accuracy but encounters a substantial computational complexity for high mobility scenarios. In this…
Optimizing Air-borne Network-in-a-box Deployment for Efficient Remote Coverage
Sidrah Javed, Yunfei Chen, Mohamed-Slim Alouini +1
Among many envisaged drivers for the sixth generation, one is from the United Nations Sustainability Development Goals 2030 to eliminate digital inequality. Remote coverage in spar…
Exploit High-Dimensional RIS Information to Localization: What Is the Impact of Faulty Element?
Tuo Wu, Cunhua Pan, Kangda Zhi +5
This paper proposes a novel localization algorithm using the reconfigurable intelligent surface (RIS) received signal, i.e., RIS information. Compared with BS received signal, i.e.…
A WINNER+ Based 3-D Non-Stationary Wideband MIMO Channel Model
Ji Bian, Jian Sun, Cheng-Xiang Wang +4
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. The angular dis…
A General 3D Non-Stationary 5G Wireless Channel Model
Shangbin Wu, Cheng-Xiang Wang, el-Hadi M. Aggoune +2
A novel unified framework of geometry-based stochastic models (GBSMs) for the fifth generation (5G) wireless communication systems is proposed in this paper. The proposed general 5…
Performance Analysis and Low-Complexity Design for XL-MIMO with Near-Field Spatial Non-Stationarities
Kangda Zhi, Cunhua Pan, Hong Ren +4
Extremely large-scale multiple-input multiple-output (XL-MIMO) is capable of supporting extremely high system capacities with large numbers of users. In this work, we build a frame…
On the Road to 6G: Visions, Requirements, Key Technologies and Testbeds
Cheng-Xiang Wang, Xiaohu You, Xiqi Gao +16
Fifth generation (5G) mobile communication systems have entered the stage of commercial development, providing users with new services and improved user experiences as well as offe…
Fingerprint Based mmWave Positioning System Aided by Reconfigurable Intelligent Surface
Tuo Wu, Cunhua Pan, Yijin Pan +3
Reconfigurable intelligent surface (RIS) is a promising technique for millimeter wave (mmWave) positioning systems. In this paper, we consider multiple mobile users (MUs) positioni…
Channel Modeling for UAV-to-Ground Communications with Posture Variation and Fuselage Scattering Effect
Boyu Hua, Haoran Ni, Qiuming Zhu +5
Unmanned aerial vehicle (UAV)-to-ground (U2G) channel models play a pivotal role for reliable communications between UAV and ground terminal. This paper proposes a three-dimensiona…
Pervasive wireless channel modeling theory and applications to 6G GBSMs for all frequency bands and all scenarios
Cheng-Xiang Wang, Zhen Lv, Xiqi Gao +3
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)…
Reconfigurable intelligent surfaces: Channel characterization and modeling
Jie Huang, Cheng-Xiang Wang, Yingzhuo Sun +5
Reconfigurable intelligent surfaces (RISs) are two dimensional (2D) metasurfaces which can intelligently manipulate electromagnetic waves by low-cost near passive reflecting elemen…
Geometry-Based Stochastic Probability Models for the LoS and NLoS Paths of A2G Channels under Urban Scenario
Minghui Pang, Qiuming Zhu, Cheng-Xiang Wang +4
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 Geometry-Based Stochastic Model for Truck Communication Channels in Freeway Scenarios
Chen Huang, Rui Wang, Cheng-Xiang Wang +2
Vehicle-to-vehicle (V2V) wireless communication systems are fundamental in many intelligent transportation applications, e.g., traffic load control, driverless vehicle, and collisi…
A Novel 3D Non-Stationary GBSM for 6G THz Ultra-Massive MIMO Wireless Systems
Jun Wang, Cheng-Xiang Wang, Jie Huang +4
Terahertz (THz) communication is now being considered as one of possible technologies for the sixth generation (6G) wireless communication systems. In this paper, a novel three-dim…
A 3D Non-Stationary Channel Model for 6G Wireless Systems Employing Intelligent Reflecting Surfaces with Practical Phase Shifts
Yingzhuo Sun, Cheng-Xiang Wang, Jie Huang +1
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…
A General 3D Space-Time-Frequency Non-Stationary THz Channel Model for 6G Ultra-Massive MIMO Wireless Communication Systems
Jun Wang, Cheng-Xiang Wang, Jie Huang +2
In this paper, a novel three-dimensional (3D) space-time-frequency (STF) non-stationary geometry-based stochastic model (GBSM) is proposed for the sixth generation (6G) terahertz (…
A General 3D Non-Stationary Wireless Channel Model for 5G and Beyond
Ji Bian, Cheng-Xiang Wang, Xiqi Gao +2
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. The propo…
6G Wireless Channel Measurements and Models: Trends and Challenges
C. -X. Wang, J. Huang, H. Wang +3
In this article, we first present our vision on the application scenarios, performance metrics, and potential key technologies of the sixth generation (6G) wireless communication n…
A 3D Non-Stationary GBSM for Vehicular Visible Light Communication MISO Channels
A. Al-Kinani, C. -X. Wang, Q. Zhu +3
The potential of using visible light communication (VLC) technologies for vehicular communication networks has recently attracted much attention. The underlying VLC channels, as a…
BER Performance of Spatial Modulation Systems Under a Non-Stationary Massive MIMO Channel Model
Yu Fu, Cheng-Xiang Wang, Xuming Fang +2
In this paper, the bit error rate (BER) performance of spatial modulation (SM) systems is investigated both theoretically and by simulation in a non-stationary Kronecker-based mass…
Cell-Free Satellite-UAV Networks for 6G Wide-Area Internet of Things
Chengxiao Liu, Wei Feng, Yunfei Chen +2
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 cellula…