91 citations · 131 across the 2 of their papers we have counts for
3 papers
cs.IT2019★ 91 cited
A Dimension Reduction-Based Joint Activity Detection and Channel Estimation Algorithm for Massive Access
Xiaodan Shao, Xiaoming Chen, Rundong Jia
Grant-free random access is a promising protocol to support massive access in beyond fifth-generation (B5G) cellular Internet-of-Things (IoT) with sporadic traffic. Specifically, i…
cs.IT2019★ 40 cited
Design of Non-Orthogonal Beamspace Multiple Access for Cellular Internet-of-Things
Rundong Jia, Xiaoming Chen, Caijun Zhong +3
In this paper, we study the problem of massive connections over limited radio spectrum for the cellular Internet-of-Things (IoT) in the fifth-generation (5G) wireless network. To a…
cs.IT2018
Exploiting Inter-User Interference for Secure Massive Non-Orthogonal Multiple Access
Xiaoming Chen, Zhaoyang Zhang, Caijung Zhong +2
This paper considers the security issue of the fifth-generation (5G) wireless networks with massive connections, where multiple eavesdroppers aim to intercept the confidential mess…