Search Results for author: Vincent K. N. Lau

Found 6 papers, 1 papers with code

Bayesian Federated Model Compression for Communication and Computation Efficiency

no code implementations11 Apr 2024 Chengyu Xia, Danny H. K. Tsang, Vincent K. N. Lau

We propose a decentralized Turbo variational Bayesian inference (D-Turbo-VBI) FL framework where we firstly propose a hierarchical sparse prior to promote a clustered sparse structure in the weight matrix.

Bayesian Inference Federated Learning +1

A unified framework for STAR-RIS coefficients optimization

no code implementations13 Oct 2023 Hancheng Zhu, Yuanwei Liu, Yik Chung Wu, Vincent K. N. Lau

Due to the lack of a unified comparison of communication systems equipped with different modes of STAR-RIS and the performance degradation caused by the constraints involving discrete selection, this paper proposes a unified optimization framework for handling the STAR-RIS operating mode and discrete phase constraints.

Structured Bayesian Compression for Deep Neural Networks Based on The Turbo-VBI Approach

no code implementations21 Feb 2023 Chengyu Xia, Danny H. K. Tsang, Vincent K. N. Lau

We derive an efficient Turbo-variational Bayesian inferencing (Turbo-VBI) algorithm to solve the resulting model compression problem with the proposed prior.

Model Compression

Over-the-Air Aggregation for Federated Learning: Waveform Superposition and Prototype Validation

no code implementations27 Oct 2021 Huayan Guo, Yifan Zhu, Haoyu Ma, Vincent K. N. Lau, Kaibin Huang, Xiaofan Li, Huabin Nong, Mingyu Zhou

In this paper, we develop an orthogonal-frequency-division-multiplexing (OFDM)-based over-the-air (OTA) aggregation solution for wireless federated learning (FL).

Federated Learning

Cascaded Channel Estimation for Intelligent Reflecting Surface Assisted Multiuser MISO Systems

1 code implementation20 Aug 2021 Huayan Guo, Vincent K. N. Lau

This paper investigates the uplink cascaded channel estimation for intelligent-reflecting-surface (IRS)-assisted multi-user multiple-input-single-output systems.

Turning Channel Noise into an Accelerator for Over-the-Air Principal Component Analysis

no code implementations20 Apr 2021 Zezhong Zhang, Guangxu Zhu, Rui Wang, Vincent K. N. Lau, Kaibin Huang

The novelty of this design lies in exploiting channel noise to accelerate the descent in the region around each saddle point encountered by gradient descent, thereby increasing the convergence speed of over-the-air PCA.

Data Compression

Cannot find the paper you are looking for? You can Submit a new open access paper.