activity
20192022
most citedMassive Unsourced Random Access for Massive MIMO Correlated Channels

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

collaborators

6 papers

cs.IT2022

Energy Efficiency of Massive Random Access in MIMO Quasi-Static Rayleigh Fading Channels with Finite Blocklength

Junyuan Gao, Yongpeng Wu, Shuo Shao +2

This paper considers the massive random access problem in MIMO quasi-static Rayleigh fading channels. Specifically, we derive achievability and converse bounds on the minimum energ…

cs.IT2022

Massive Unsourced Random Access: Exploiting Angular Domain Sparsity

Xinyu Xie, Yongpeng Wu, Jianping An +5

This paper investigates the unsourced random access (URA) scheme to accommodate numerous machine-type users communicating to a base station equipped with multiple antennas. Existin…

cs.IT20201 cited

Uplink Transmission Design for Crowded Correlated Cell-Free Massive MIMO-OFDM Systems

Junyuan Gao, Yongpeng Wu, Yongjian Wang +2

In cell-free massive multiple-input multiple-output (MIMO) orthogonal frequency division multiplexing (OFDM) systems, user equipments (UEs) are served by many distributed access po…

cs.IT20202 cited

Massive Unsourced Random Access for Massive MIMO Correlated Channels

Xinyu Xie, Yongpeng Wu, Junyuan Gao +1

This paper investigates the massive random access for a huge amount of user devices served by a base station (BS) equipped with a massive number of antennas. We consider a grant-fr…

cs.IT2020

Energy-efficiency of Massive Random Access with Individual Codebook

Junyuan Gao, Yongpeng Wu, Wenjun Zhang

The massive machine-type communication has been one of the most representative services for future wireless networks. It aims to support massive connectivity of user equipments (UE…

eess.SP2019

Random Pilot and Data Access for Massive MIMO Spatially Correlated Rayleigh Fading Channels

Junyuan Gao, Yongpeng Wu, Fan Wei

Random access is necessary in crowded scenarios due to the limitation of pilot sequences and the intermittent pattern of device activity. Nowadays, most of the related works are ba…