output
20162026
most citedAlbumentations: fast and flexible image augmentations

2.3k citations

Showing 2021 · cs.ITShow all

7 papers · 2 filters

cs.IT2021★ 55 cited

Configuring Intelligent Reflecting Surface with Performance Guarantees: Optimal Beamforming

Yaowen Zhang, Kaiming Shen, Shuyi Ren +3

This work proposes linear time strategies to optimally configure the phase shifts for the reflective elements of an intelligent reflecting surface (IRS). Specifically, we show that…

cs.IT2021★ 112 cited

Configuring Intelligent Reflecting Surface with Performance Guarantees: Blind Beamforming

Shuyi Ren, Kaiming Shen, Yaowen Zhang +3

This work gives a blind beamforming strategy for intelligent reflecting surface (IRS), aiming to boost the received signal-to-noise ratio (SNR) by coordinating phase shifts across…

cs.IT2021★ 7 cited

Optimal Discrete Constellation Inputs for Aggregated LiFi-WiFi Networks

Shuai Ma, Fan Zhang, Songtao Lu +5

In this paper, we investigate the performance of a practical aggregated LiFi-WiFi system with the discrete constellation inputs from a practical view. We derive the achievable rate…

cs.IT2021★ 265 cited

Beamforming Technologies for Ultra-Massive MIMO in Terahertz Communications

Boyu Ning, Zhongbao Tian, Weidong Mei +5

Terahertz (THz) communications with a frequency band THz are envisioned as a promising solution to future high-speed wireless communication. Although with tens of gigahert…

cs.IT2021★ 123 cited

Quantized Federated Learning under Transmission Delay and Outage Constraints

Yanmeng Wang, Yanqing Xu, Qingjiang Shi +1

Federated learning (FL) has been recognized as a viable distributed learning paradigm which trains a machine learning model collaboratively with massive mobile devices in the wirel…

cs.IT2021★ 1 cited

Robust Beamforming Design for Covert Communications

Shuai Ma, Yunqi Zhang, Hang Li +4

In this paper, we consider a common unicast beamforming network where Alice utilizes the communication to Carol as a cover and covertly transmits a message to Bob without being rec…

cs.IT2021★ 5 cited

Learning to Decode Protograph LDPC Codes

Jincheng Dai, Kailin Tan, Zhongwei Si +4

The recent development of deep learning methods provides a new approach to optimize the belief propagation (BP) decoding of linear codes. However, the limitation of existing works…