Search Results - "Liang, Ying"

Channel Estimation for Reconfigurable Intelligent Surface Aided Multi-User mmWave MIMO Systems by Chen, Jie, Liang, Ying-Chang, Cheng, Hei Victor, Yu, Wei

“…Channel acquisition is one of the main challenges for the deployment of reconfigurable intelligent surface (RIS) aided communication systems. This is because…”
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Eigenvalue-based spectrum sensing algorithms for cognitive radio by YONGHONG ZENG, LIANG, Ying-Chang

“…Spectrum sensing is a fundamental component in a cognitive radio. In this paper, we propose new sensing methods based on the eigenvalues of the covariance…”
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Active Reconfigurable Intelligent Surface-Aided Wireless Communications by Long, Ruizhe, Liang, Ying-Chang, Pei, Yiyang, Larsson, Erik G.

“…Reconfigurable Intelligent Surface (RIS) is a promising solution to reconfigure the wireless environment in a controllable way. To compensate for the…”
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Spectrum Sharing for Internet of Things: A Survey by Zhang, Lin, Liang, Ying-Chang, Xiao, Ming

“…The Internet of Things (IoT) is a promising paradigm to accommodate massive device connections in 5G and beyond. To pave the way for future IoT, spectrum…”
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Weighted Sum-Rate Maximization for Reconfigurable Intelligent Surface Aided Wireless Networks by Guo, Huayan, Liang, Ying-Chang, Chen, Jie, Larsson, Erik G.

“…Reconfigurable intelligent surfaces (RIS) is a promising solution to build a programmable wireless environment via steering the incident signal in fully…”
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Chemical vapor deposition synthesis of Ge doped ZnO nanowires and the optical property investigation by Liang, Ying

“…Ge-doped ZnO nanowires with high quality were prepared with simple chemical vapor deposition method. The morphology, crystal structure and elemental…”
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Modulation in the Air: Backscatter Communication Over Ambient OFDM Carrier by Yang, Gang, Liang, Ying-Chang, Zhang, Rui, Pei, Yiyang

“…Ambient backscatter communication (AmBC) enables radio-frequency (RF) powered backscatter devices (BDs) (e.g., sensors and tags) to modulate their information…”
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Toward Smart Wireless Communications via Intelligent Reflecting Surfaces: A Contemporary Survey by Gong, Shimin, Lu, Xiao, Hoang, Dinh Thai, Niyato, Dusit, Shu, Lei, Kim, Dong In, Liang, Ying-Chang

“…This paper presents a literature review on recent applications and design aspects of the intelligent reflecting surface (IRS) in the future wireless networks…”
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Energy-Efficient UAV Backscatter Communication With Joint Trajectory Design and Resource Optimization by Yang, Gang, Dai, Rao, Liang, Ying-Chang

“…Backscatter communication which enables wireless-powered backscatter devices (BDs) to transmit information by reflecting incident signals, is an energy- and…”
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Multi-Agent Deep Reinforcement Learning for Task Offloading in UAV-Assisted Mobile Edge Computing by Zhao, Nan, Ye, Zhiyang, Pei, Yiyang, Liang, Ying-Chang, Niyato, Dusit

“…Mobile edge computing can effectively reduce service latency and improve service quality by offloading computation-intensive tasks to the edges of wireless…”
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Deep CM-CNN for Spectrum Sensing in Cognitive Radio by Liu, Chang, Wang, Jie, Liu, Xuemeng, Liang, Ying-Chang

“…One of the key problems in spectrum sensing is to design the test statistic. Existing methods generally exploit the model-based features as the test statistic,…”
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Spectrum-Sensing Algorithms for Cognitive Radio Based on Statistical Covariances by Zeng, Yonghong, Liang, Ying-Chang

“…Spectrum sensing, i.e., detecting the presence of primary users in a licensed spectrum, is a fundamental problem in cognitive radio. Since the statistical…”
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Vision, Requirements, and Technology Trend of 6G: How to Tackle the Challenges of System Coverage, Capacity, User Data-Rate and Movement Speed by Chen, Shanzhi, Liang, Ying-Chang, Sun, Shaohui, Kang, Shaoli, Cheng, Wenchi, Peng, Mugen

“…Since 5G new radio comes with non-standalone (NSA) and standalone (SA) versions in 3GPP, research on 6G has been on schedule by academics and industries…”
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DOA and Polarization Estimation for Non-Circular Signals in 3-D Millimeter Wave Polarized Massive MIMO Systems by Wan, Liangtian, Liu, Kaihui, Liang, Ying-Chang, Zhu, Tong

“…In this article, a multiple signal classification (MUSIC) based algorithm is proposed for two-dimensional (2-D) direction-of-arrival (DOA) and polarization…”
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Deep Reinforcement Learning for User Association and Resource Allocation in Heterogeneous Cellular Networks by Zhao, Nan, Liang, Ying-Chang, Niyato, Dusit, Pei, Yiyang, Wu, Minghu, Jiang, Yunhao

“…Heterogeneous cellular networks can offload the mobile traffic and reduce the deployment costs, which have been considered to be a promising technique in the…”
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A hybrid ANFIS model based on empirical mode decomposition for stock time series forecasting by Wei, Liang-Ying

“…•This paper proposes a hybrid time-series ANFIS model based on EMD to forecast stock price.•In order to evaluate the forecasting performances, the proposed…”
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Cooperative Ambient Backscatter Communications for Green Internet-of-Things by Yang, Gang, Zhang, Qianqian, Liang, Ying-Chang

“…Ambient backscatter communication (AmBC) enables a passive backscatter device to transmit information to a reader using ambient RF signals, and has emerged as…”
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Constellation Learning-Based Signal Detection for Ambient Backscatter Communication Systems by Zhang, Qianqian, Guo, Huayan, Liang, Ying-Chang, Yuan, Xiaojun

“…Ambient backscatter communication (AmBC) is a promising solution to energy-efficient and spectrum-efficient Internet of Things with stringent power and cost…”
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Trust in Chinese Government and Quality of Life (QOL) of Sichuan Earthquake Survivors: Does Trust in Government Help to Promote QOL? by Liang, Ying

“…Researches on the factors on earthquake survivors’ quality of life (QOL) focused on the demographic variables or the impact of mental illness on QOL. This…”
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Intelligent Reflecting Surface-Assisted Cognitive Radio System by Yuan, Jie, Liang, Ying-Chang, Joung, Jingon, Feng, Gang, Larsson, Erik G.

“…Cognitive radio (CR) is an effective solution to improve the spectral efficiency (SE) of wireless communications by allowing the secondary users (SUs) to share…”
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