25 citations · 78 across the 6 of their papers we have counts for
6 papers
Covariance-Based Device Activity Detection with Massive MIMO for Near-Field Correlated Channels
Ziyue Wang, Yang Li, Ya-Feng Liu +1
This paper studies the device activity detection problem in a massive multiple-input multiple-output (MIMO) system for near-field communications (NFC). In this system, active devic…
Covariance-Based Activity Detection in Cooperative Multi-Cell Massive MIMO: Scaling Law and Efficient Algorithms
Ziyue Wang, Ya-Feng Liu, Zhaorui Wang +1
This paper focuses on the covariance-based activity detection problem in a multi-cell massive multiple-input multiple-output (MIMO) system. In this system, active devices transmit…
Scaling Law Analysis for Covariance Based Activity Detection in Cooperative Multi-Cell Massive MIMO
Ziyue Wang, Ya-Feng Liu, Zhaorui Wang +1
This paper studies the covariance based activity detection problem in a multi-cell massive multiple-input multiple-output (MIMO) system, where the active devices transmit their sig…
Accelerating Coordinate Descent via Active Set Selection for Device Activity Detection for Multi-Cell Massive Random Access
Ziyue Wang, Ya-Feng Liu, Zhilin Chen +1
We propose a computationally efficient algorithm for the device activity detection problem in the multi-cell massive multi-input multi-output (MIMO) system, where the active device…
An Efficient Active Set Algorithm for Covariance Based Joint Data and Activity Detection for Massive Random Access with Massive MIMO
Ziyue Wang, Zhilin Chen, Ya-Feng Liu +2
This paper proposes a computationally efficient algorithm to solve the joint data and activity detection problem for massive random access with massive multiple-input multiple-outp…
Flexible Multiple Base Station Association and Activation for Downlink Heterogeneous Networks
Kaiming Shen, Ya-Feng Liu, David Yiwei Ding +1
This letter shows that the flexible association of possibly multiple base stations (BSs) to each user over multiple frequency bands, along with the joint optimization of BS transmi…