2 citations · 4 across the 10 of their papers we have counts for
10 papers
User Activity Detection with Delay-Calibration for Asynchronous Massive Random Access
Zhichao Shao, Xiaojun Yuan, Rodrigo C. de Lamare +1
This work considers an uplink asynchronous massive random access scenario in which a large number of users asynchronously access a base station equipped with multiple receive anten…
Decentralized and Centralized IDD Schemes for Cell-Free Networks
T. Ssettumba, Z. Shao, L. Landau +1
In this paper, we propose iterative interference cancellation schemes with access points selection (APs-Sel) for cell-free massive multiple-input multiple-output (CF-mMIMO) systems…
Multiuser-MIMO Systems Using Comparator Network-Aided Receivers With 1-Bit Quantization
Ana Beatriz L. B. Fernandes, Zhichao Shao, Lukas T. N. Landau +1
Low-resolution analog-to-digital converters (ADCs) are promising for reducing energy consumption and costs of multiuser multiple-input multiple-output (MIMO) systems with many ante…
Joint Localization and Information Transfer for Reconfigurable Intelligent Surface Aided Full-Duplex Systems
Zhichao Shao, Xiaojun Yuan, Wei Zhang +1
In this work, we investigate a reconfigurable intelligent surface (RIS) aided integrated sensing and communication scenario, where a base station (BS) communicates with multiple de…
Dynamic Oversampling Tecniques for 1-Bit ADCs in Large-Scale MIMO Systems
Z. Shao, L. Landau, R. de Lamare
In this work, we investigate dynamic oversampling techniques for large-scale multiple-antenna systems equipped with low-cost and low-power 1-bit analog-to-digital converters at the…
Study of Channel Estimation Algorithms for Large-Scale Multiple-Antenna Systems using 1-Bit ADCs and Oversampling
Z. Shao, L. Landau, R. C. de Lamare
Large-scale multiple-antenna systems with large bandwidth are fundamental for future wireless communications, where the base station employs a large antenna array. In this scenario…
Investigation of Channel Estimation Techniques with 1-bit Quantization and Oversampling for Multiple-Antenna Systems
Z. Shao, L. Landau, R. C. de Lamare
Large-scale multiple-antenna systems have been identified as a promising technology for the next generation of wireless systems. However, by scaling up the number of receive antenn…
Study of Channel Estimation with Oversampling for 1-bit Large-Scale MIMO Systems
Z. Shao, L. Landau, R. de Lamare
In this paper, we propose an oversampling based low-resolution aware least squares channel estimator for large-scale multiple-antenna systems with 1-bit analog-to-digital converter…
Study of SIC and RLS Channel Estimation for Large-Scale Antenna Systems with 1-Bit ADCs
Z. Shao, L. Landau, R. de Lamare
We propose a novel low-resolution-aware recursive least squares channel estimation algorithm for uplink multi-user multiple-input multiple-output systems. In order to reduce the en…
Study of Iterative Detection and Decoding for Large-Scale MIMO Systems with 1-Bit ADCs
Z. Shao, L. Landau, R. de Lamare
We present a novel iterative detection and decoding scheme for the uplink of large-scale multiuser multiple-antenna systems. In order to reduce the receiver's energy consumption an…