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

1.9k citations

Showing 2016 · cs.ITShow all

23 papers · 2 filters

cs.IT2016

Semi-coherent Detection and Performance Analysis for Ambient Backscatter System

Jing Qian, Feifei Gao, Gongpu Wang +2

We study a novel communication mechanism, ambient backscatter, that utilizes radio frequency (RF) signals transmitted from an ambient source as both energy supply and information c…

cs.IT2016★ 4 cited

Toward a Tractable Delay Analysis in Ultra-dense Networks

Yi Zhong, Martin Haenggi, Fu-Chun Zheng +3

Meeting the diverse delay requirements of emerging wireless applications is one of the most critical goals for the design of ultradense networks. Though the delay of point-to-point…

cs.IT2016★ 86 cited

Two new families of two-weight codes

Minjia Shi, Yue Guan, Patrick Sole

We construct two new infinite families of trace codes of dimension , over the ring when is an odd prime. They have the algebraic structure of…

cs.IT2016★ 162 cited

BDMA for Millimeter-Wave/Terahertz Massive MIMO Transmission with Per-Beam Synchronization

Li You, Xiqi Gao, Geoffrey Ye Li +2

We propose beam division multiple access (BDMA) with per-beam synchronization (PBS) in time and frequency for wideband massive multiple-input multiple-output (MIMO) transmission ov…

cs.IT2016

New CRT sequence sets for a collision channel without feedback

Yijin Zhang, Yuan-Hsun Lo, Kenneth W. Shum +1

Protocol sequences are binary and periodic sequences used for deterministic multiple access in a collision channel without feedback. In this paper, we focus on user-irrepressible (…

cs.IT2016★ 2 cited

Omnidirectional Space-Time Block Coding for Common Information Broadcasting in Massive MIMO Systems

Xin Meng, Xiang-Gen Xia, Xiqi Gao

In this paper, we design space-time block codes (STBCs) to broadcast the common information omnidirectionally in a massive MIMO downlink. To reduce the burden of the downlink chann…

cs.IT2016★ 64 cited

Secure Massive MIMO Systems with Limited RF Chains

Jun Zhu, Wei Xu, Ning Wang

In future practical deployments of massive multi-input multi-output (MIMO) systems, the number of radio frequency (RF) chains at the base stations (BSs) may be much smaller than th…

cs.IT2016★ 242 cited

Root Sparse Bayesian Learning for Off-Grid DOA Estimation

Jisheng Dai, Xu Bao, Weichao Xu +1

The performance of the existing sparse Bayesian learning (SBL) methods for off-gird DOA estimation is dependent on the trade off between the accuracy and the computational workload…

cs.IT2016★ 44 cited

On Optimal Fronthaul Compression and Decoding Strategies for Uplink Cloud Radio Access Networks

Yuhan Zhou, Yinfei Xu, Wei Yu +1

This paper investigates the compress-and-forward scheme for an uplink cloud radio access network (C-RAN) model, where multi-antenna base-stations (BSs) are connected to a cloud-com…

cs.IT2016★ 65 cited

On constacyclic codes over and their Gray images

Minjia Shi, Liqing Qian, Lin Sok +2

We first define a new Gray map from to , where and study -constacyclic codes over . Also of interest are some…

cs.IT2016★ 1 cited

Spectral Efficiency of Mixed-ADC Receivers for Massive MIMO Systems

Weiqiang Tan, Shi Jin, Chaokai Wen +1

This paper investigated the uplink of multi-user massive multi-input multi-output (MIMO) systems with a mixed analog-to-digital converter (ADC) receiver architecture, in which some…

cs.IT2016★ 78 cited

Joint Source-Relay Design for Full--Duplex MIMO AF Relay Systems

Qingjiang Shi, Mingyi Hong, Xiqi Gao +3

The performance of full-duplex (FD) relay systems can be greatly impacted by the self-interference (SI) at relays. By exploiting multi-antenna in FD relay systems, the spectral eff…

cs.IT2016★ 62 cited

Wireless Power Transfer in Massive MIMO Aided HetNets with User Association

Yongxu Zhu, Lifeng Wang, Kai-Kit Wong +2

This paper explores the potential of wireless power transfer (WPT) in massive multiple input multiple output (MIMO) aided heterogeneous networks (HetNets), where massive MIMO is ap…

cs.IT2016★ 13 cited

Energy Efficiency in Multicast Multihop D2D Networks

Zicheng Xia, Jiawei Yan, Yuan Liu

As the demand of mobile devices (MDs) for data services is explosively increasing, traditional offloading in the cellular networks is facing the contradiction of energy efficiency…

cs.IT2016

Multipair Massive MIMO Relaying with Pilot-Data Transmission Overlay

Leyuan Pan, Yongyu Dai, Wei Xu +1

We propose a pilot-data transmission overlay scheme for multipair massive multiple-input multiple-output (MIMO) relaying systems employing either half- or full-duplex (HD or FD) co…

cs.IT2016★ 73 cited

Free Deterministic Equivalents for the Analysis of MIMO Multiple Access Channel

An-An Lu, Xiqi Gao, Chengshan Xiao

In this paper, a free deterministic equivalent is proposed for the capacity analysis of the multi-input multi-output (MIMO) multiple access channel (MAC) with a more general channe…

cs.IT2016★ 100 cited

An Overview of Transmission Theory and Techniques of Large-scale Antenna Systems for 5G Wireless Communications

Dongming Wang, Yu Zhang, Hao Wei +3

To meet the future demand for huge traffic volume of wireless data service, the research on the fifth generation (5G) mobile communication systems has been undertaken in recent yea…

cs.IT2016★ 117 cited

Pilot Power Allocation Through User Grouping in Multi-Cell Massive MIMO Systems

Pei Liu, Shi Jin, Tao Jiang +2

In this paper, we propose a relative channel estimation error (RCEE) metric, and derive closed-form expressions for its expectation and the achievable uplink rat…

cs.IT2016

Energy Efficient Transmission for Multicast Services in MISO Distributed Antenna Systems

Hong Ren, Nan Liu, Cunhua Pan

This paper aims to solve the energy efficiency (EE) maximization problem for multicast services in a multiple-input single-output (MISO) distributed antenna system (DAS). A novel i…

cs.IT2016★ 11 cited

On the Spectral Efficiency of Space-Constrained Massive MIMO with Linear Receivers

Jiayi Zhang, Linglong Dai, Michail Matthaiou +2

In this paper, we investigate the spectral efficiency (SE) of massive multiple-input multiple-output (MIMO) systems with a large number of antennas at the base station (BS) account…

cs.IT2016★ 16 cited

REEL-BF Design: Achieving the SDP Bound for Downlink Beamforming with Arbitrary Shaping Constraints

Feng Wang, Chongbin Xu, Yongwei Huang +2

This paper considers the beamforming design for a multiuser multiple-input single-output (MISO) downlink with an arbitrary number of (context-specific) shaping constraints. In this…

cs.IT2016★ 114 cited

Artificial Noise Aided Secrecy Information and Power Transfer in OFDMA Systems

Meng Zhang, Yuan Liu, Rui Zhang

In this paper, we study simultaneous wireless information and power transfer (SWIPT) in orthogonal frequency division multiple access (OFDMA) systems with the coexistence of inform…

cs.IT2016★ 35 cited

Near-Optimal Signal Detector Based on Structured Compressive Sensing for Massive SM-MIMO

Zhen Gao, Linglong Dai, Chenhao Qi +2

Massive spatial modulation (SM)-MIMO, which employs massive low-cost antennas but few power-hungry transmit radio frequency (RF) chains at the transmitter, is recently proposed to…