356 citations · 613 across the 44 of their papers we have counts for
14 papers · 1 filter
A Low-Complexity Message-Passing Receiver for FTN-WAFT under Nonlinear Distortion
Xianle Dai, Qu Luo, Jianguo Li +4
This letter proposes a faster-than-Nyquist (FTN) weighted affine Fourier transform (WAFT) transmission scheme, termed FTN-WAFT, which combines the peak-to-average power ratio (PAPR…
A Tutorial on Decoding Techniques of Sparse Code Multiple Access
Saumya Chaturvedi, Zilong Liu, Vivek Ashok Bohara +2
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 network…
Heterogeneous graph neural network for power allocation in multicarrier-division duplex cell-free massive MIMO systems
Bohan Li, Lie-Liang Yang, Robert G Maunder +2
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. To this end…
A Novel Transmission Policy for Intelligent Reflecting Surface Assisted Wireless Powered Sensor Networks
Zheng Chu, Pei Xiao, De Mi +3
This paper proposes a novel transmission policy for an intelligent reflecting surface (IRS) assisted wireless powered sensor network (WPSN). An IRS is deployed to enhance the perfo…
Sparse Code Multiple Access for 6G Wireless Communication Networks: Recent Advances and Future Directions
Lisu Yu, Zilong Liu, Miaowen Wen +4
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…
Characterizing Inter-Numerology Interference in Mixed-Numerology OFDM Systems
Juquan Mao, Lei Zhang, Stephen McWade +2
The advent of mixed-numerology multi-carrier (MN-MC) techniques adds flexibilities in supporting heterogeneous services in fifth generation (5G) communication systems and beyond. H…
Self-Calibration for Massive MIMO with Channel Reciprocity and Channel Estimation Errors
De Mi, Lei Zhang, Mehrdad Dianati +3
In time-division-duplexing (TDD) massive multiple-input multiple-output (MIMO) systems, channel reciprocity is exploited to overcome the overwhelming pilot training and the feedbac…
Mobility and Coverage Evaluation of New Radio PDCCH for Point-to-Multipoint Scenario
Hongzhi Chen, De Mi, Belkacem Mouhouche +2
This paper provides the mobility and coverage evaluation of New Radio (NR) Physical Downlink Control Channel (PDCCH) for Point-to-Multipoint (PTM) use cases, e.g., eMBMS (evolved M…
PAPR Reduction Using Iterative Clipping/Filtering and ADMM Approaches for OFDM-Based Mixed-Numerology Systems
Xiaoran Liu, Xiaoying Zhang, Lei Zhang +4
Mixed-numerology transmission is proposed to support a variety of communication scenarios with diverse requirements. However, as the orthogonal frequency division multiplexing (OFD…
Evaluation of Low Complexity Massive MIMO Techniques Under Realistic Channel Conditions
Manijeh Bashar, Alister G. Burr, Katsuyuki Haneda +4
A low complexity massive multiple-input multiple-output (MIMO) technique is studied with a geometry-based stochastic channel model, called COST 2100 model. We propose to exploit th…
Codeword Position Index based Sparse Code Multiple Access System
Ke Lai, Lei Wen, Jing Lei +3
In this letter, a novel variation of sparse code multiple access (SCMA), called codeword position index based SCMA (CPI-SCMA), is proposed. In this scheme, the information is trans…
Interference Analysis of QAM based Filter Bank Multicarrier System with Index Modulation
Adnan Zafar, Aijun Cao, Mahmoud Abdullahi +3
Index modulation (IM) has recently emerged as a promising concept for spectrum and energy-efficient next generation wireless communications systems since it strikes a good balance…
Complex-Valued Symbol Transmissions in Filter Bank Multicarrier Systems using Filter Deconvolution
Adnan Zafar, Mahmoud Abdullahi, Lei Zhang +3
Transmission of complex-valued symbols using filter bank multicarrier systems has been an issue due to the self-interference between the transmitted symbols both in the time and fr…
Spectrum Efficient MIMO-FBMC System using Filter Output Truncation
Adnan Zafar, Lei Zhang, Pei Xiao +1
Due to the use of an appropriately designed pulse shaping prototype filter, filter bank multicarrier (FBMC) system can achieve low out of band (OoB) emissions and is also robust to…