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This paper focuses on two-cell multiple-input multiple-output (MIMO) Gaussian interfering broadcast channels (MIMO-IFBC) with $K$ cooperating users on the cell-boundary of each BS. It corresponds to a downlink scenario for cellular networks…

信息论 · 计算机科学 2016-11-15 Wonjae Shin , Namyoon Lee , Jong-Bu Lim , Changyong Shin , Kyunghun Jang

In this paper, the interference cancellation information geometry approaches (IC-IGAs) for massive MIMO channel estimation are proposed. The proposed algorithms are low-complexity approximations of the minimum mean square error (MMSE)…

信息论 · 计算机科学 2024-07-02 An-An Lu , Bingyan Liu , Xiqi Gao

The constructive interference concept in the downlink of multiple-antenna systems is addressed in this paper. The concept of the joint exploitation of the channel state information (CSI) and data information (DI) is discussed. Using…

信息论 · 计算机科学 2015-04-28 Maha Alodeh , Symeon Chatzinotas , Bjorn Ottersten

Deep learning has emerged as a promising solution for efficient channel state information (CSI) feedback in frequency division duplex (FDD) massive MIMO systems. Conventional deep learning-based methods typically rely on a deep autoencoder…

信号处理 · 电气工程与系统科学 2025-07-29 Haotian Tian , Lixiang Lian , Jiaqi Cao , Sijie Ji

The $K\times 2$ and $2\times K$, Multiple-Input Multiple-Output (MIMO) X channel with constant channel coefficients available at all transmitters and receivers is considered. A new alignment scheme, named \emph{layered interference…

This paper proposes an environment-aware near-field channel estimation framework for integrated sensing and communication (ISAC) systems equipped with extremely large-scale antenna arrays (ELAAs). The proposed framework jointly exploits…

信息论 · 计算机科学 2026-04-07 Yuan Guo , Yilong Chen , Zixiang Ren , Jie Xu

In this paper we consider strategies for MIMO interference channels which combine the notions of interference alignment and channel pre-inversion. Users collaborate to form data-sharing groups, enabling them to clear interference within a…

信息论 · 计算机科学 2015-02-03 David Karpuk , Peter Moss

As the electromagnetic environment becomes increasingly complex, Global Navigation Satellite Systems (GNSS) face growing threats from sophisticated jamming interference. Although Deep Learning (DL) effectively identifies basic interference,…

计算机视觉与模式识别 · 计算机科学 2026-01-21 Zhihan Zeng , Yang Zhao , Kaihe Wang , Dusit Niyato , Hongyuan Shu , Junchu Zhao , Yanjun Huang , Yue Xiu , Zhongpei Zhang , Ning Wei

Interference alignment (IA) is a joint-transmission technique that achieves the capacity of the interference channel for high signal-to-noise ratios (SNRs). Most prior work on IA is based on the impractical assumption that perfect and…

信息论 · 计算机科学 2015-05-28 Sungyoon Cho , Kaibin Huang , Dongku Kim , Vincent K. N. Lau , Hyukjin Chae , Hanbyul Seo , Byounghoon Kim

Interference alignment is a transmission technique for exploiting all available degrees of freedom in the interference channel with an arbitrary number of users. Most prior work on interference alignment, however, neglects interference from…

信息论 · 计算机科学 2010-10-05 Steven W. Peters , Robert W. Heath

Predictive millimeter-wave (mmWave) beamforming is a promising technique to enable low-latency and high-rate ground-air communications for cellular-connected unmanned aerial vehicles (UAVs). However, the high vulnerability of mmWave to…

信号处理 · 电气工程与系统科学 2024-04-19 Shiqi Zeng , Xiaoli Xu , Yong Zeng

The robust principles of treating interference as noise (TIN) when it is sufficiently weak, and avoiding it when it is not, form the background of this work. Combining TIN with the topological interference management (TIM) framework that…

信息论 · 计算机科学 2024-10-28 Chunhua Geng , Hua Sun , Syed A. Jafar

Undersampling k-space data in MRI reduces scan time but pose challenges in image reconstruction. Considerable progress has been made in reconstructing accelerated MRI. However, restoration of high-frequency image details in highly…

图像与视频处理 · 电气工程与系统科学 2024-01-17 Liping Zhang , Xiaobo Li , Weitian Chen

Herein, an interference-aware predictive aerial-and-terrestrial communication problem is studied, where an unmanned aerial vehicle (UAV) delivers some data payload to a few nodes within a communication deadline. The first challenge is the…

信号处理 · 电气工程与系统科学 2025-12-02 Bowen Li , Junting Chen

In the intelligent reflecting surface (IRS) assisted communication systems, the acquisition of channel state information (CSI) is a crucial impediment for achieving the passive beamforming gain of IRS because of the considerable overhead…

信息论 · 计算机科学 2020-01-20 Zhaorui Wang , Liang Liu , Shuguang Cui

21-cm intensity mapping (IM) is a powerful technique to probe the large-scale distribution of neutral hydrogen (HI) and extract cosmological information such as the baryon acoustic oscillation feature. A key challenge lies in recovering the…

宇宙学与河外天体物理 · 物理学 2025-11-24 Zitong Wang , Feng Shi , Le Zhang , Yanming Liu , Xiaoping Li , Shulei Ni , Ming Jiang , Xiaofan Ma

In order to understand the capabilities and limitations of quantum computers, it is necessary to develop methods that efficiently characterize and benchmark error channels present on these devices. In this paper, we present a method that…

量子物理 · 物理学 2022-07-21 James Sud , Jeffrey Marshall , Zhihui Wang , Eleanor Rieffel , Filip A. Wudarski

Index modulation (IM) reduces the power consumption and hardware cost of the multiple-input multiple-output (MIMO) system by activating part of the antennas for data transmission. However, IM significantly increases the complexity of the…

信息论 · 计算机科学 2021-12-03 Chenwu Zhang , Hancheng Lu , Jinxue Liu

The impedance network (IN) model is gaining popularity in the oscillation analysis of wind farms. However, the construction of such an IN model requires impedance curves of each wind turbine under their respective operating conditions,…

信号处理 · 电气工程与系统科学 2025-07-22 Xiaojuan Zhang , Tianyu Jiang , Haoxiang Zong , Chen Zhang , Chendan Li , Marta Molinas

In this work we investigate the network MIMO techniques of interference alignment (IA) and fully adaptive joint transmission coordinated multipoint (CoMP) in an indoor very small cell environment. Our focus is on the overheads in a system…

信息论 · 计算机科学 2014-03-18 Per Zetterberg