Publications (13)
Cluster Pairwise Error Probability and Construction of Parity-Check-Concatenated Polar Codes
Tao Wang, Daiming Qu, Tao Jiang
A successive cancellation list (SCL) decoder with limited list size for polar codes can not be analyzed as a successive cancellation (SC) decoder, nor as a maximum likelihood (ML)…
Spectral Comb Shaping for Single Carrier Communication Signals by Polar Codes
Yinuo Mei, Daiming Qu
An approach to selecting information indices for polar codes is proposed to form signals with spectral comb shapes under BPSK modulation, whereby the signal could be separated from…
Multiple Preambles for High Success Rate of Grant-Free Random Access with Massive MIMO
Hao Jiang, Daiming Qu, Jie Ding +1
Grant-free random access (RA) with massive MIMO is a promising RA technique with low signaling overhead that provides significant benefits in increasing the channel reuse efficienc…
Downlink Precoding with Mixed Statistical and Imperfect Instantaneous CSI for Massive MIMO Systems
Shuang Qiu, Da Chen, Daiming Qu +2
In this paper, the feasibility of a new downlink transmission mode in massive multi-input multi-output (MIMO) systems is investigated with two types of users, i.e., the users with…
Machine Learning Enabled Preamble Collision Resolution in Distributed Massive MIMO
Jie Ding, Daiming Qu, Pei Liu +1
Preamble collision is a bottleneck that impairs the performance of random access (RA) user equipment (UE) in grant-free RA (GFRA). In this paper, by leveraging distributed massive…
Success Probability of Grant-Free Random Access with Massive MIMO
Jie Ding, Daiming Qu, Hao Jiang +1
Massive MIMO opens up new avenues for enabling highly efficient random access (RA) by offering abundance of spatial degrees of freedom. In this paper, we investigate the grant-free…
Optimal Preamble Length for Spectral Efficiency in Grant-Free RA with Massive MIMO
Jie Ding, Daiming Qu, Hao Jiang
Grant-free random access (RA) with massive MIMO is a promising RA technique for massive access with low signaling overhead. In the grant-free RA with massive MIMO, preamble length…
Improving Bandwidth Efficiency of FBMC-OQAM Through Virtual Symbols
Daiming Qu, Fang Wang, Tao Jiang +1
Filter bank multicarrier (FBMC) systems that are based on offset quadrature amplitude modulation (OQAM), namely, FBMC-OQAM, have been criticized for their inefficiency in the use o…
Virtual Carrier Sensing Based Random Access in Massive MIMO Systems
Jie Ding, Daiming Qu, Hao Jiang +1
The 5th generation mobile communication systems aim to support massive access for future wireless applications. Unfortunately, wireless resource scarcity in random access (RA) is a…
LNSMM: Eye Gaze Estimation With Local Network Share Multiview Multitask
Yong Huang, Ben Chen, Daiming Qu
Eye gaze estimation has become increasingly significant in computer vision.In this paper,we systematically study the mainstream of eye gaze estimation methods,propose a novel metho…
Last-Pair Swapping Polar Codes: A Structure to Improve Polarization under Finite-State Modulation
Yinuo Mei, Yangyong Zhang, Daiming Qu
A novel structure of polar codes is proposed for finite-state modulation (FSM), in order to improve polarization under it, and approach the polarization efficiency that conventiona…
Smoothed SVD-based Beamforming for FBMC/OQAM Systems Based on Frequency Spreading
Yu Qiu, Daiming Qu, Da Chen +1
The combination of singular value decomposition (SVD)-based beamforming and filter bank multicarrier with offset quadrature amplitude modulation (FBMC/OQAM) has not been successful…
FDM-Structured Preamble Optimization for Channel Estimation in MIMO-OQAM/FBMC Systems
Wenfeng Liu, Da Chen, Kai Luo +2
In this paper, we consider the problem of preamble design in multiple-input multiple-output (MIMO) systems employing offset quadrature amplitude modulation based filter bank multic…