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19982026
most citedLow-Dose CT with a Residual Encoder-Decoder Convolutional Neural Network (RED-CNN)

1.9k citations

Showing 2018 · cs.ITShow all

44 papers · 2 filters

cs.IT2018★ 26 cited

Large Intelligent Surface-Assisted Wireless Communication Exploiting Statistical CSI

Yu Han, Wankai Tang, Shi Jin +2

Large intelligent surface (LIS)-assisted wireless communications have drawn attention worldwide. With the use of low-cost LIS on building walls, signals can be reflected by the LIS…

cs.IT2018

MIMO Channel Information Feedback Using Deep Recurrent Network

Chao Lu, Wei Xu, Hong Shen +2

In a multiple-input multiple-output (MIMO) system, the availability of channel state information (CSI) at the transmitter is essential for performance improvement. Recent convoluti…

cs.IT2018

Performance Analysis of Multi-Cell Millimeter Wave Massive MIMO Networks with Low-Precision ADCs

Jindan Xu, Wei Xu, Hua Zhang +2

In this paper, we investigate a multi-cell millimeter wave (mmWave) massive multiple-input multiple-output (MIMO) network with low-precision analog-to-digital converters (ADCs) at…

cs.IT2018★ 4 cited

A Model-Driven Deep Learning Network for MIMO Detection

Hengtao He, Chao-Kai Wen, Shi Jin +1

In this paper, we propose a model-driven deep learning network for multiple-input multiple-output (MIMO) detection. The structure of the network is specially designed by unfolding…

cs.IT2018

Improving Wireless Physical Layer Security via D2D Communication

Hao Xu, Cunhua Pan, Wei Xu +3

This paper investigates the physical layer security issue of a device-to-device (D2D) underlaid cellular system with a multi-antenna base station (BS) and a multi-antenna eavesdrop…

cs.IT2018★ 15 cited

Model-Driven Deep Learning for Physical Layer Communications

Hengtao He, Shi Jin, Chao-Kai Wen +3

Intelligent communication is gradually considered as the mainstream direction in future wireless communications. As a major branch of machine learning, deep learning (DL) has been…

cs.IT2018

Hybrid Processing Design for Multipair Massive MIMO Relaying with Channel Spatial Correlation

Milad Fozooni, Hien Quoc Ngo, Michail Matthaiou +2

Massive multiple-input multiple-output (MIMO) avails of simple transceiver design which can tackle many drawbacks of relay systems in terms of complicated signal processing, latenc…

cs.IT2018★ 52 cited

A Framework on Hybrid MIMO Transceiver Design based on Matrix-Monotonic Optimization

Chengwen Xing, Xin Zhao, Wei Xu +2

Hybrid transceiver can strike a balance between complexity and performance of multiple-input multiple-output (MIMO) systems. In this paper, we develop a unified framework on hybrid…

cs.IT2018★ 2 cited

An Enhanced SCMA Detector Enabled by Deep Neural Network

Chao Lu, Wei Xu, Hong Shen +2

In this paper, we propose a learning approach for sparse code multiple access (SCMA) signal detection by using a deep neural network via unfolding the procedure of message passing…

cs.IT2018★ 6 cited

Strong Converse for Hypothesis Testing Against Independence over a Two-Hop Network

Daming Cao, Lin Zhou, Vincent Y. F. Tan

By proving a strong converse, we strengthen the weak converse result by Salehkalaibar, Wigger and Wang (2017) concerning hypothesis testing against independence over a two-hop netw…

cs.IT2018★ 34 cited

Power Minimization Based Joint Task Scheduling and Resource Allocation in Downlink C-RAN

Wenchao Xia, Jun Zhang, Tony Q. S. Quek +2

In this paper, we consider the network power minimization problem in a downlink cloud radio access network (C-RAN), taking into account the power consumed at the baseband unit (BBU…

cs.IT2018★ 4 cited

Deep Learning-based CSI Feedback Approach for Time-varying Massive MIMO Channels

Tianqi Wang, Chao-Kai Wen, Shi Jin +1

Massive multiple-input multiple-output (MIMO) systems rely on channel state information (CSI) feedback to perform precoding and achieve performance gain in frequency division duple…

cs.IT2018

Performance Analysis of User-centric Virtual Cell Dense Networks over mmWave Channels

Jianfeng Shi, Yinlu Wang, Hao Xu +2

This paper analyzes the ergodic capacity of a user-centric virtual cell (VC) dense network, where multiple access points (APs) form a VC for each user equipment (UE) and transmit d…

cs.IT2018★ 24 cited

Joint Optimization of Fronthaul Compression and Bandwidth Allocation in Uplink H-CRAN with Large System Analysis

Wenchao Xia, Jun Zhang, Tony Q. S. Quek +2

In this paper, we consider an uplink heterogeneous cloud radio access network (H-CRAN), where a macro base station (BS) coexists with many remote radio heads (RRHs). For cost-savin…

cs.IT2018

Adaptive Spatial Modulation Based Visible Light Communications: SER Analysis and Optimization

Jin-Yuan Wang, Jian-Xia Zhu, Sheng-Hong Lin +1

Recently, the spatial modulation (SM) technique has been proposed for visible light communication (VLC). This paper investigates the average symbol error rate (SER) for the VLC usi…

cs.IT2018

Adaptive Spatial Modulation for Visible Light Communications with an Arbitrary Number of Transmitters

Jin-Yuan Wang, Hong Ge, Jian-Xia Zhu +3

As a power and bandwidth efficient modulation scheme, the optical spatial modulation (SM) technique has recently drawn increased attention in the field of visible light communicati…

cs.IT2018★ 10 cited

Secrecy Energy Efficiency Maximization for UAV-Enabled Mobile Relaying

Lin Xiao, Yu Xu, Dingcheng Yang +1

This paper investigates the secrecy energy efficiency (SEE) maximization problem for unmanned aerial vehicle enabled mobile relaying system, where a high-mobility UAV is exploited…

cs.IT2018★ 1 cited

Graph-based Cooperative Caching in Fog-RAN

Xiaoting Cui, Yanxiang Jiang, Xuan Chen +2

In this paper, the cooperative caching problem in fog radio access networks (F-RAN) is investigated. To maximize the incremental offloaded traffic, we formulate the clustering opti…

cs.IT2018★ 1 cited

Distributed Edge Caching in Ultra-dense Fog Radio Access Networks: A Mean Field Approach

Yabai Hu, Yanxiang Jiang, Mehdi Bennis +1

In this paper, the edge caching problem in ultra-dense fog radio access networks (F-RAN) is investigated. Taking into account time-variant user requests and ultra-dense deployment…

cs.IT2018★ 1 cited

Learning Oriented Cross-Entropy Approach to User Association in Load-Balanced HetNet

Xietian Huang, Wei Xu, Guo Xie +2

This letter considers optimizing user association in a heterogeneous network via utility maximization, which is a combinatorial optimization problem due to integer constraints. Dif…

cs.IT2018

Utility-Energy Efficiency Oriented User Association with Power Control in Heterogeneous Networks

Xietian Huang, Wei Xu, Hong Shen +2

This letter investigates optimizing utility-energy efficiency (UEE), defined as the achieved network utility when consuming a unit of power, rather than a typical energy efficiency…

cs.IT2018★ 92 cited

Hybrid Precoding Architecture for Massive Multiuser MIMO with Dissipation: Sub-Connected or Fully-Connected Structures?

Jingbo Du, Wei Xu, Hong Shen +2

In this paper, we study the hybrid precoding structures over limited feedback channels for massive multiuser multiple-input multiple-output (MIMO) systems. We focus on the system p…

cs.IT2018

Joint Altitude, Beamwidth, Location and Bandwidth Optimization for UAV-Enabled Communications

Zhaohui Yang, Cunhua Pan, Mohammad Shikh-Bahaei +4

This letter investigates an uplink power control problem for unmanned aerial vehicles (UAVs) assisted wireless communications. We jointly optimize the UAV's flying altitude, antenn…

cs.IT2018

Cache Placement in Two-Tier HetNets with Limited Storage Capacity: Cache or Buffer?

Zhaohui Yang, Cunhua Pan, Yijin Pan +4

In this paper, we aim to minimize the average file transmission delay via bandwidth allocation and cache placement in two-tier heterogeneous networks with limited storage capacity,…