activity
20062023
most citedChannel Estimation for RIS-Empowered Multi-User MISO Wireless Communications

725 citations · 6.1k across the 252 of their papers we have counts for

collaborators
Showing 2018 · cs.ITShow all

8 papers · 2 filters

cs.IT2018

Gaussian Message Passing for Overloaded Massive MIMO-NOMA

Lei Liu, Chau Yuen, Yong Liang Guan +2

This paper considers a low-complexity Gaussian Message Passing (GMP) scheme for a coded massive Multiple-Input Multiple-Output (MIMO) systems with Non-Orthogonal Multiple Access (m…

cs.IT2018

Reconfigurable Intelligent Surfaces for Energy Efficiency in Wireless Communication

Chongwen Huang, Alessio Zappone, George C. Alexandropoulos +2

The adoption of a Reconfigurable Intelligent Surface (RIS) for downlink multi-user communication from a multi-antenna base station is investigated in this paper. We develop energy-…

cs.IT2018

Energy Efficient Multi-User MISO Communication using Low Resolution Large Intelligent Surfaces

Chongwen Huang, George C. Alexandropoulos, Alessio Zappone +2

We consider a multi-user Multiple-Input Single-Output (MISO) communication system comprising of a multi-antenna base station communicating in the downlink simultaneously with multi…

cs.IT2018★ 31 cited

Asymptotically Optimal Estimation Algorithm for the Sparse Signal with Arbitrary Distributions

Chongwen Huang, Lei Liu, Chau Yuen

In this paper, we propose a sparse signal estimation algorithm that is suitable for many wireless communication systems, especially for the future millimeter wave and underwater co…

cs.IT2018★ 7 cited

Achievable Rate maximization by Passive Intelligent Mirrors

Chongwen Huang, Alessio Zappone, Mérouane Debbah +1

This paper investigates the use of a Passive Intelligent Mirrors (PIM) to operate a multi-user MISO downlink communication. The transmit powers and the mirror reflection coefficien…

cs.IT2018

Practical MIMO-NOMA: Low Complexity & Capacity-Approaching Solution

Yuhao Chi, Lei Liu, Guanghui Song +3

MIMO-NOMA combines Multiple-Input Multiple-Output (MIMO) and Non-Orthogonal Multiple Access (NOMA), which can address heterogeneous challenges, such as massive connectivity, low la…

cs.IT2018

Cluster-based Wireless Energy Transfer for Low Complex Energy Receivers

Samith Abeywickrama, Tharaka Samarasinghe, Chau Yuen +1

This paper proposes a novel channel estimation method and a cluster-based opportunistic scheduling policy, for a wireless energy transfer (WET) system consisting of multiple low-co…

cs.IT2018

Wireless Energy Transfer to a Pair of Energy Receivers using Signal Strength Feedback

Chanaka Singhabahu, Tharaka Samarasinghe, Samith Abeywickrama +1

This paper focuses on wireless energy transfer (WET) to a pair of low complex energy receivers (ER), by only utilizing received signal strength indicator (RSSI) values that are fed…