中文
相关论文

相关论文: Computationally -Efficient Algorithms for Multiuse…

200 篇论文

Faster-than-Nyquist (FTN) signaling is a promising non-orthogonal pulse modulation technique that can improve the spectral efficiency (SE) of next generation communication systems at the expense of higher detection complexity to remove the…

信息论 · 计算机科学 2021-11-18 Ahmed Ibrahim , Ebrahim Bedeer , Halim Yanikomeroglu

Compressed sensing based multiuser detection (CSMUD) is a promising candidate to cope with the massive connectivity requirements of the massive machine type communication (mMTC) in the fifth generation (5G) wireless communication system. It…

信号处理 · 电气工程与系统科学 2018-10-01 Mehmood Alam , Qi Zhang

The set-membership information fusion problem is investigated for general multisensor nonlinear dynamic systems. Compared with linear dynamic systems and point estimation fusion in mean squared error sense, it is a more challenging…

信息论 · 计算机科学 2017-02-20 Zhiguo Wang , Xiaojing Shen , Yunmin Zhu

Astronomical radio bursts disperse while traveling through the interstellar medium. To optimally detect a short-duration signal within a frequency band, we have to precisely compensate for the pulse dispersion, which is a computationally…

天体物理仪器与方法 · 物理学 2018-03-28 Barak Zackay , Eran O. Ofek

We propose Walsh-Hadamard Transform Division Multiplexing (WHTDM), a multicarrier waveform that replaces the conventional IFFT/FFT pair in OFDM with a real-valued, unitary Walsh-Hadamard transform (WHT). WHTDM inherits the CP-OFDM…

信号处理 · 电气工程与系统科学 2026-05-15 Wang Hao , Yuan Zhonghao , Chi Yonggang , Zhang Kuang , Tan Chenxing , Yu Jiaxing

Effective deep feature extraction via feature-level fusion is crucial for multimodal object detection. However, previous studies often involve complex training processes that integrate modality-specific features by stacking multiple…

计算机视觉与模式识别 · 计算机科学 2025-06-27 Lei Hao , Lina Xu , Chang Liu , Yanni Dong

Searches for signals at low signal-to-noise ratios frequently involve the Fast Fourier Transform (FFT). For high-throughput searches, we here consider FFT on the homogeneous mesh of Processing Elements (PEs) of a wafer-scale engine (WSE).…

信号处理 · 电气工程与系统科学 2024-01-12 Maurice H. P. M. van Putten , Leighton Wilson , Adam W. Lavely , Mark Hair

The Fast Fourier Transform (FFT), as a core computation in a wide range of scientific applications, is increasingly threatened by reliability issues. In this paper, we introduce TurboFFT, a high-performance FFT implementation equipped with…

分布式、并行与集群计算 · 计算机科学 2024-05-07 Shixun Wu , Yujia Zhai , Jinyang Liu , Jiajun Huang , Zizhe Jian , Huangliang Dai , Sheng Di , Zizhong Chen , Franck Cappello

The acquisition of channel state information (CSI) is essential in MIMO-OFDM communication systems. Data-aided enhanced receivers, by incorporating domain knowledge, effectively mitigate performance degradation caused by imperfect CSI,…

信息论 · 计算机科学 2025-04-22 Xinjie Li , Jing Zhang , Xingyu Zhou , Chao-Kai Wen , Shi Jin

The use of low-resolution data converters in the radio-frequency (RF) chains of all-digital massive multiple-input multiple-output (MIMO) basestations promises significant reductions in power consumption, hardware costs, and interconnect…

信号处理 · 电气工程与系统科学 2020-09-07 Seyed Hadi Mirfarshbafan , Mahdi Shabany , Seyed Alireza Nezamalhosseini , Christoph Studer

We present a novel method for efficiently producing semi-dense matches across images. Previous detector-free matcher LoFTR has shown remarkable matching capability in handling large-viewpoint change and texture-poor scenarios but suffers…

计算机视觉与模式识别 · 计算机科学 2024-03-13 Yifan Wang , Xingyi He , Sida Peng , Dongli Tan , Xiaowei Zhou

We present a theorem concerning the invariance of cross-correlation peak positions, which provides a foundation for a new method for time difference estimation that is potentially faster than the conventional fast Fourier transform (FFT)…

信号处理 · 电气工程与系统科学 2025-09-25 Natsuki Ueno , Ryotaro Sato , Nobutaka Ono

This paper presents low-complexity block-based encoding and decoding algorithms for short block length channels. In terms of the precise use-case, we are primarily concerned with the baseline 3GPP Short block transmissions in which payloads…

信息论 · 计算机科学 2025-02-11 Mody Sy , Raymond Knopp

Recent progress in fault detection and identification increasingly relies on sophisticated techniques for fault detection, applied through either centralized or distributed approaches. Instead of increasing the sophistication of the fault…

系统与控制 · 电气工程与系统科学 2025-07-29 Enrique Luna Villagomez , Vladimir Mahalec

In this paper, a new single-carrier waveform, called chirped discrete Fourier transform spread orthogonal frequency division multiplexing (DFT-s-OFDM), is proposed for the sixth generation of communications. As the initial study on this…

信号处理 · 电气工程与系统科学 2025-02-20 Yujie Liu , Yong Liang Guan , David González G. , Halim Yanikomeroglu

Coupled tensor decompositions (CTDs) perform data fusion by linking factors from different datasets. Although many CTDs have been already proposed, current works do not address important challenges of data fusion, where: 1) the datasets are…

机器学习 · 计算机科学 2024-12-13 Ricardo Augusto Borsoi , Konstantin Usevich , David Brie , Tülay Adali

We explore several reduced-dimension multiuser detection (RD-MUD) structures that significantly decrease the number of required correlation branches at the receiver front-end, while still achieving performance similar to that of the…

信息论 · 计算机科学 2011-10-17 Yao Xie , Yonina C. Eldar , Andrea Goldsmith

Clouds in remote sensing images inevitably affect information extraction, which hinder the following analysis of satellite images. Hence, cloud detection is a necessary preprocessing procedure. However, the existing methods have numerous…

计算机视觉与模式识别 · 计算机科学 2025-02-06 Wenxuan Ge , Xubing Yang , Li Zhang

Coupled tensor decomposition (CTD) can extract joint features from multimodal data in various applications. It can be employed for federated learning networks with data confidentiality. Federated CTD achieves data privacy protection by…

分布式、并行与集群计算 · 计算机科学 2024-03-06 Xiangtao Zhang , Eleftherios Kofidis , Ce Zhu , Le Zhang , Yipeng Liu

Object detection has been extensively utilized in autonomous systems in recent years, encompassing both 2D and 3D object detection. Recent research in this field has primarily centered around multimodal approaches for addressing this…

计算机视觉与模式识别 · 计算机科学 2023-04-20 Wendong Zhang