activity
20202025
most citedCompressive Sensing Based Joint Activity and Data Detection for Grant-Free Massive IoT Access

3 citations · 5 across the 8 of their papers we have counts for

collaborators

8 papers

eess.SP2025

Pre-Equalization Aided Grant-Free Massive Access in Massive MIMO System

Yueqing Wang, Yikun Mei, Zhen Gao +4

The spatial diversity and multiplexing advantages of massive multi-input-multi-output (mMIMO) can significantly improve the capacity of massive non-orthogonal multiple access (NOMA…

eess.SP2024

Unauthorized UAV Countermeasure for Low-Altitude Economy: Joint Communications and Jamming based on MIMO Cellular Systems

Zhuoran Li, Zhen Gao, Kuiyu Wang +5

To ensure the thriving development of low-altitude economy, countering unauthorized unmanned aerial vehicles (UAVs) is an essential task. The existing widely deployed base stations…

cs.IT2024

Near-Space Communications: the Last Piece of 6G Space-Air-Ground-Sea Integrated Network Puzzle

Hongshan Liu, Tong Qin, Zhen Gao +16

This article presents a comprehensive study on the emerging near-space communications (NS-COM) within the context of space-air-ground-sea integrated network (SAGSIN). Specifically,…

cs.IT2023★ 2 cited

Compressive Sensing-Based Grant-Free Massive Access for 6G Massive Communication

Zhen Gao, Malong Ke, Yikun Mei +4

The advent of the sixth-generation (6G) of wireless communications has given rise to the necessity to connect vast quantities of heterogeneous wireless devices, which requires adva…

cs.IT2022

Joint Activity Detection and Channel Estimation for Massive IoT Access Based on Millimeter-Wave/Terahertz Multi-Panel Massive MIMO

Hanlin Xiu, Zhen Gao, Anwen Liao +5

The multi-panel array, as a state-of-the-art antenna-in-package technology, is very suitable for millimeter-wave (mmWave)/terahertz (THz) systems, due to its low-cost deployment an…

cs.IT2022

Massive Access in Extra Large-Scale MIMO with Mixed-ADC over Near Field Channels

Yikun Mei, Zhen Gao, De Mi +5

Massive connectivity for extra large-scale multi-input multi-output (XL-MIMO) systems is a challenging issue due to the near-field access channels and the prohibitive cost. In this…

cs.IT2021

CS-Based CSIT Estimation for Downlink Pilot Decontamination in Multi-Cell FDD Massive MIMO

Yikun Mei, Zhen Gao

Efficient channel state information at transmitter (CSIT) for frequency division duplex (FDD) massive MIMO can facilitate its backward compatibility with existing FDD cellular netw…

cs.IT2020★ 3 cited

Compressive Sensing Based Joint Activity and Data Detection for Grant-Free Massive IoT Access

Yikun Mei, Zhen Gao, Yongpeng Wu +4

Massive machine-type communications (mMTC) are poised to provide ubiquitous connectivity for billions of Internet-of-Things (IoT) devices. However, the required low-latency massive…