output
20202024
most citedA Path to Smart Radio Environments: An Industrial Viewpoint on Reconfigurable Intelligent Surfaces

188 citations

16 papers

cs.IT2024★ 35 cited

Distributed satellite information networks: Architecture, enabling technologies, and trends

Qinyu Zhang, Liang Xu, Jianhao Huang +23

Driven by the vision of ubiquitous connectivity and wireless intelligence, the evolution of ultra-dense constellation-based satellite-integrated Internet is underway, now taking pr…

cs.IT2024★ 1 cited

Networked Collaborative Sensing using Multi-domain Measurements: Architectures, Performance Limits and Algorithms

Yihua Ma, Shuqiang Xia, Chen bai +3

As a promising 6G technology, integrated sensing and communication (ISAC) gains growing interest. ISAC provides integration gain via sharing spectrum, hardware, and software. Howev…

cs.IT2024★ 19 cited

Analytical Framework for Effective Degrees of Freedom in Near-Field XL-MIMO

Zhe Wang, Jiayi Zhang, Wenhui Yi +5

Extremely large-scale multiple-input-multiple-output (XL-MIMO) is an emerging transceiver technology for enabling next-generation communication systems, due to its potential for su…

eess.SP2023

Energy-efficient Integrated Sensing and Communication System and DNLFM Waveform

Yihua Ma, Zhifeng Yuan, Shuqiang Xia +3

Integrated sensing and communication (ISAC) is a key enabler of 6G. Unlike communication radio links, the sensing signal requires to experience round trips from many scatters. Ther…

cs.IT2023★ 65 cited

Hybrid Active-Passive IRS Assisted Energy-Efficient Wireless Communication

Qiaoyan Peng, Qingqing Wu, Guangji Chen +3

Deploying active reflecting elements at the intelligent reflecting surface (IRS) increases signal amplification capability but incurs higher power consumption. Therefore, it remain…

cs.IT2023★ 61 cited

Joint Localization and Environment Sensing by Harnessing NLOS Components in RIS-aided mmWave Communication Systems

Yixuan Huang, Jie Yang, Wankai Tang +3

This study explores the use of non-line-of-sight (NLOS) components in millimeter-wave (mmWave) communication systems for joint localization and environment sensing. The radar cross…

cs.IT2023★ 119 cited

6G Enabled Advanced Transportation Systems

Ruiqi Liu, Meng Hua, Ke Guan +6

With the emergence of communication services with stringent requirements such as autonomous driving or on-flight Internet, the sixth-generation (6G) wireless network is envisaged t…

cs.IT2023★ 61 cited

Integrated Sensing and Communication based Outdoor Multi-Target Detection, Tracking and Localization in Practical 5G Networks

Ruiqi Liu, Mengnan Jian, Dawei Chen +4

The 6th generation (6G) wireless networks will likely to support a variety of capabilities beyond communication, such as sensing and localization, through the use of communication…

eess.SP2023★ 2 cited

OTFDM: A Novel 2D Modulation Waveform Modeling Dot-product Doubly-selective Channel

Yihua Ma, Zhifeng Yuan, Yu Xin +4

Recently, a two-dimension (2D) modulation waveform of orthogonal time-frequency-space (OTFS) has been a popular 6G candidate to replace existing orthogonal frequency division multi…

eess.SP2022★ 16 cited

Highly Efficient Waveform Design and Hybrid Duplex for Joint Communication and Sensing

Yihua Ma, Zhifeng Yuan, Shuqiang Xia +2

Joint communication and sensing (JCAS) is a very promising 6G technology, which attracts more and more research attention. Compared with communication, radar has many unique featur…

cs.IT2022★ 30 cited

Learning-Aided Beam Prediction in mmWave MU-MIMO Systems for High-Speed Railway

Fan Meng, Shengheng Liu, Yongming Huang +1

The problem of beam alignment and tracking in high mobility scenarios such as high-speed railway (HSR) becomes extremely challenging, since large overhead cost and significant time…

cs.IT2021

Coalition Game based User Association for mmWave Mobile Relay Systems in Rail Traffic Scenarios

Chen Chen, Yong Niu, Shiwen Mao +6

Rail transportation, especially, high-speed rails (HSR), is an important infrastructure for the development of national economy and the promotion of passenger experience. Due to th…

cs.IT2021★ 13 cited

Spectral Efficiency Analysis of Cell-free Distributed Massive MIMO Systems with Imperfect Covariance Matrix

Feng Ye, Jiamin Li, Pengcheng Zhu +2

In this paper, the impacts of imperfect channel covariance matrix on the spectral efficiency (SE) of cell-free distributed massive multiple-input multiple-output (MIMO) systems are…

cs.NI2021★ 188 cited

A Path to Smart Radio Environments: An Industrial Viewpoint on Reconfigurable Intelligent Surfaces

Ruiqi Liu, Qingqing Wu, Marco Di Renzo +1

With both the standardization and commercialization completed in an unforeseen pace for the 5th generation (5G) wireless network, researchers, engineers and executives from the aca…

eess.SP2021★ 22 cited

Hybrid Beamforming for mmWave MU-MISO Systems Exploiting Multi-agent Deep Reinforcement Learning

Qisheng Wang, Xiao Li, Shi Jin +1

In this letter, we investigate the hybrid beamforming based on deep reinforcement learning (DRL) for millimeter Wave (mmWave) multi-user (MU) multiple-input-single-output (MISO) sy…

cs.IT2020★ 1 cited

PDRS: A Fast Non-iterative Scheme for Massive Grant-free Access in Massive MIMO

Yihua Ma, Zhifeng Yuan, Weimin Li +1

Grant-free multiple-input multiple-output (MIMO) usually employs non-orthogonal pilots for joint user detection and channel estimation. However, existing methods are too complex fo…