Search Results for author: Pei Xiao

Found 10 papers, 0 papers with code

Grant-Free NOMA-OTFS Paradigm: Enabling Efficient Ubiquitous Access for LEO Satellite Internet-of-Things

no code implementations25 Sep 2022 Zhen Gao, Xingyu Zhou, Jingjing Zhao, Juan Li, Chunli Zhu, Chun Hu, Pei Xiao, Symeon Chatzinotas, Derrick Wing Kwan Ng, Bjorn Ottersten

With the blooming of Internet-of-Things (IoT), we are witnessing an explosion in the number of IoT terminals, triggering an unprecedented demand for ubiquitous wireless access globally.

A Tutorial on Decoding Techniques of Sparse Code Multiple Access

no code implementations16 May 2022 Saumya Chaturvedi, Zilong Liu, Vivek Ashok Bohara, Anand Srivastava, Pei Xiao

Sparse Code Multiple Access (SCMA) is a disruptive code-domain non-orthogonal multiple access (NOMA) scheme to enable \color{black}future massive machine-type communication networks.

Heterogeneous graph neural network for power allocation in multicarrier-division duplex cell-free massive MIMO systems

no code implementations1 May 2022 Bohan Li, Lie-Liang Yang, Robert G Maunder, Songlin Sun, Pei Xiao

In-band full duplex cell-free (CF) systems suffer from severe self-interference and cross-link interference, especially when CF systems are operated in distributed way.

Human Biometric Signals Monitoring based on WiFi Channel State Information using Deep Learning

no code implementations8 Mar 2022 Moyu Liu, Zihuai Lin, Pei Xiao, Wei Xiang

This system overall accuracy for the heart and respiration rate estimation can reach 99. 109% and 98. 581%, respectively.

Low Earth Orbit Satellite Security and Reliability: Issues, Solutions, and the Road Ahead

no code implementations9 Jan 2022 Pingyue Yue, Jianping An, Jiankang Zhang, Jia Ye, Gaofeng Pan, Shuai Wang, Pei Xiao, Lajos Hanzo

Low Earth Orbit (LEO) satellites undergo a period of rapid development driven by ever-increasing user demands, reduced costs, and technological progress.

Intelligent Reflecting Surface Assisted Integrated Sensing and Communications for mmWave Channels

no code implementations5 Jan 2022 Zhengyu Zhu, Zheng Li, Zheng Chu, Gangcan Sun, Wanming Hao, Pei Xiao, Inkyu Lee

By jointly designing the radar signal covariance (RSC) matrix, the beamforming vector of the communication system, and the IRS phase shift, the ISAC system transmission rate can be improved while matching the desired waveform for radar.

A Novel Transmission Policy for Intelligent Reflecting Surface Assisted Wireless Powered Sensor Networks

no code implementations28 Apr 2021 Zheng Chu, Pei Xiao, De Mi, Wanming Hao, Mohsen Khalily, Lie-Liang Yang

Our proposed policy for the considered WPSN is called IRS assisted harvest-then-transmit time switching, which is able to schedule the transmission time slots by switching between energy collection and energy reflection modes.

Sparse Code Multiple Access for 6G Wireless Communication Networks: Recent Advances and Future Directions

no code implementations3 Apr 2021 Lisu Yu, Zilong Liu, Miaowen Wen, Donghong Cai, Shuping Dang, Yuhao Wang, Pei Xiao

As 5G networks rolling out in many different countries nowadays, the time has come to investigate how to upgrade and expand them towards 6G, where the latter is expected to realize the interconnection of everything as well as the development of a ubiquitous intelligent mobile world for intelligent life.

Characterizing Inter-Numerology Interference in Mixed-Numerology OFDM Systems

no code implementations28 Sep 2020 Juquan Mao, Lei Zhang, Stephen McWade, Hongzhi Chen, Pei Xiao

The advent of mixed-numerology multi-carrier (MN-MC) techniques adds flexibilities in supporting heterogeneous services in fifth generation (5G) communication systems and beyond.

Cannot find the paper you are looking for? You can Submit a new open access paper.