中文
相关论文

相关论文: Parallel Digital Predistortion Design on Mobile GP…

200 篇论文

Scientific applications produce vast amounts of data, posing grand challenges in the underlying data management and analytic tasks. Progressive compression is a promising way to address this problem, as it allows for on-demand data…

分布式、并行与集群计算 · 计算机科学 2025-05-02 Yanliang Li , Wenbo Li , Qian Gong , Qing Liu , Norbert Podhorszki , Scott Klasky , Xin Liang , Jieyang Chen

We consider a spectral sharing problem in which a statistical (or widely distributed) multiple-input multiple-output (MIMO) radar and an in-band full-duplex (IBFD) multi-user MIMO (MU-MIMO) communications system concurrently operate within…

信号处理 · 电气工程与系统科学 2024-03-29 Jiawei Liu , Kumar Vijay Mishra , Mohammad Saquib

Massive multi-user (MU) multiple-input multiple-output (MIMO) provides high spectral efficiency by means of spatial multiplexing and fine-grained beamforming. However, conventional base-station (BS) architectures for systems with hundreds…

Low-density parity check (LDPC) codes have been extensively applied in mobile communication systems due to their excellent error correcting capabilities. However, their broad adoption has been hindered by the high complexity of the LDPC…

分布式、并行与集群计算 · 计算机科学 2018-12-18 Roohollah Amiri , Hani Mehrpouyan

While fully-digital precoding achieves superior performance in massive MIMO systems, it comes with significant drawbacks in terms of computational complexity and power consumption, particularly when operating at millimeter-wave (mmWave)…

信号处理 · 电气工程与系统科学 2025-10-13 Parisa Ramezani , Alva Kosasih , Emil Björnson

Hybrid precoding can significantly reduce the number of required radio frequency (RF) chains and relieve the huge energy consumption in mmWave massive MIMO systems, thus attracting much interests from academic and industry. However, most…

信息论 · 计算机科学 2016-05-17 Tian Xie , Linglong Dai , Xinyu Gao , Muhammad Zeeshan Shakir , Zhaocheng Wang

One of the fundamental limitations to high bit rate, long distance, telecommunication in optical fibers is Polarization Mode Dispersion (PMD). Here we introduce a conceptually new method to reduce PMD in optical fibers by carrying out…

光学 · 物理学 2009-11-11 S. Massar , S. Popescu

Hybrid precoding is a cost-effective approach to support directional transmissions for millimeter-wave (mm-wave) communications, but its precoder design is highly complicated. In this paper, we propose a new hybrid precoder implementation,…

信号处理 · 电气工程与系统科学 2019-05-28 Xianghao Yu , Jun Zhang , Khaled B. Letaief

Deploying deep neural networks (DNNs) on resource-constrained mobile devices presents significant challenges, particularly in achieving real-time performance while simultaneously coping with limited computational resources and battery life.…

网络与互联网体系结构 · 计算机科学 2025-09-24 Zekai Sun , Xiuxian Guan , Zheng Lin , Zihan Fang , Xiangming Cai , Zhe Chen , Fangming Liu , Heming Cui , Jie Xiong , Wei Ni , Chau Yuen

Millimeter-wave (mmWave) communications and cell densification are the key techniques for the future evolution of cellular systems beyond 5G. Although the current mmWave radio designs are focused on hybrid digital and analog receiver array…

信号处理 · 电气工程与系统科学 2020-04-06 Han Yan , Danijela Cabric

Since numerical computing with MATLAB offers a wide variety of advantages, such as easier developing and debugging of computational codes rather than lower-level languages, the popularity of this tool is significantly increased in the past…

等离子体物理 · 物理学 2022-11-11 Shayan Dodge , Mojtaba Shafiee , Babak Shokri

Hybrid analog-digital precoding significantly reduces the hardware costs in massive MIMO transceivers when compared to fully-digital precoding at the expense of increased transmit power. In order to mitigate the above shortfall, we use the…

信号处理 · 电气工程与系统科学 2019-07-24 Ganapati Hegde , Christos Masouros , Marius Pesavento

True-time delayers (TTDs) are popular components for hybrid beamforming architectures to combat the spatial-wideband effect in wideband near-field communications. In this paper, a serial and a hybrid serial-parallel TTD configuration are…

信息论 · 计算机科学 2024-04-09 Zhaolin Wang , Xidong Mu , Yuanwei Liu , Robert Schober

We propose a novel digital backpropagation (DBP) technique that combines perturbation theory, subband processing, and splitting ratio optimization. We obtain 0.23 dB, 0.47 dB, or 0.91 dB gains w.r.t. dispersion compensation with only 74,…

信息论 · 计算机科学 2024-05-15 Stella Civelli , Debi Pada Jana , Enrico Forestieri , Marco Secondini

This paper investigates the robust transmission design (RTD) of a multi-cell device-to-device (D2D) underlaid cellular network with imperfect channel state information (CSI). The bounded model is adopted to characterize the CSI impairment…

信息论 · 计算机科学 2018-04-17 Hao Xu , Gordon L. Stüber , Wei Xu , Cunhua Pan , Jianfeng Shi , Zhaohui Yang , Ming Chen

This paper proposes a communication strategy for decentralized learning on wireless systems. Our discussion is based on the decentralized parallel stochastic gradient descent (D-PSGD), which is one of the state-of-the-art algorithms for…

网络与互联网体系结构 · 计算机科学 2020-02-26 Koya Sato , Yasuyuki Satoh , Daisuke Sugimura

Dynamic mode decomposition (DMD) is an efficient tool for decomposing spatio-temporal data into a set of low-dimensional modes, yielding the oscillation frequencies and the growth rates of physically significant modes. In this paper, we…

动力系统 · 数学 2023-02-21 Minwoo Lee , Jongho Park

Moire patterns appear frequently when taking photos of digital screens, drastically degrading the image quality. Despite the advance of CNNs in image demoireing, existing networks are with heavy design, causing redundant computation burden…

计算机视觉与模式识别 · 计算机科学 2023-02-07 Yuxin Zhang , Mingbao Lin , Xunchao Li , Han Liu , Guozhi Wang , Fei Chao , Shuai Ren , Yafei Wen , Xiaoxin Chen , Rongrong Ji

Dynamic point cloud compression (DPCC) is crucial in applications like autonomous driving and AR/VR. Current compression methods face challenges with complexity management and rate control. This paper introduces a novel dynamic coding…

多媒体 · 计算机科学 2025-08-29 Chenhao Zhang , Wei Gao

This paper proposes a distributed version of Determinant Point Processing (DPP) inference to enhance multi-source data diversification under limited communication bandwidth. DPP is a popular probabilistic approach that improves data…

机器学习 · 计算机科学 2023-11-21 Xiwen Chen , Huayu Li , Rahul Amin , Abolfazl Razi