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Detecting Earth twins remains challenging because their shallow, long-period transits are difficult to distinguish from background noise. Motivated by the challenge, we developed Segmented-Polynomial-fitting Least Squares (SPLS), a new…

地球与行星天体物理 · 物理学 2025-12-03 Shuyue Zheng , Fabo Feng , Yicheng Rui

The most important computational problem on lattices is the Shortest Vector Problem (SVP). In this paper, we present new algorithms that improve the state-of-the-art for provable classical/quantum algorithms for SVP. We present the…

数据结构与算法 · 计算机科学 2025-08-19 Divesh Aggarwal , Yanlin Chen , Rajendra Kumar , Yixin Shen

The recent development of deep learning methods provides a new approach to optimize the belief propagation (BP) decoding of linear codes. However, the limitation of existing works is that the scale of neural networks increases rapidly with…

信息论 · 计算机科学 2021-02-11 Jincheng Dai , Kailin Tan , Zhongwei Si , Kai Niu , Mingzhe Chen , H. Vincent Poor , Shuguang Cui

The growth in the number of parameters of Large Language Models (LLMs) has led to a significant surge in computational requirements, making them challenging and costly to deploy. Speculative decoding (SD) leverages smaller models to…

计算与语言 · 计算机科学 2025-04-04 Matthieu Zimmer , Milan Gritta , Gerasimos Lampouras , Haitham Bou Ammar , Jun Wang

Low complexity joint estimation of synchronization impairments and channel in a single-user MIMO-OFDM system is presented in this letter. Based on a system model that takes into account the effects of synchronization impairments such as…

信息论 · 计算机科学 2013-04-30 Renu Jose , Sooraj K. Ambat , K. V. S. Hari

Machine-learning algorithms offer immense possibilities in the development of several cognitive applications. In fact, large scale machine-learning classifiers now represent the state-of-the-art in a wide range of object…

计算机视觉与模式识别 · 计算机科学 2016-09-21 Priyadarshini Panda , Swagath Venkataramani , Abhronil Sengupta , Anand Raghunathan , Kaushik Roy

We propose a novel low-complexity three-dimensional (3D) localization algorithm for wireless sensor networks, termed quaternion-domain super multidimensional scaling (QD-SMDS). This algorithm reformulates the conventional SMDS, which was…

信号处理 · 电气工程与系统科学 2025-04-29 Keigo Masuoka , Takumi Takahashi , Giuseppe Thadeu Freitas de Abreu , Hideki Ochiai

In edge-cloud speculative decoding (SD), edge devices equipped with small language models (SLMs) generate draft tokens that are verified by large language models (LLMs) in the cloud. A key bottleneck in such systems is the limited…

信号处理 · 电气工程与系统科学 2026-01-13 Guangyi Zhang , Yunlong Cai , Guanding Yu , Petar Popovski , Osvaldo Simeone

Speculative decoding (SD) has been demonstrated as an effective technique for lossless LLM inference acceleration. Retrieval-based SD methods, one kind of model-free method, have yielded promising speedup, but they often rely on incomplete…

计算与语言 · 计算机科学 2024-12-17 Yuxuan Hu , Ke Wang , Xiaokang Zhang , Fanjin Zhang , Cuiping Li , Hong Chen , Jing Zhang

We consider the problem of covering hypersphere by a set of spherical hypercaps. This sort of problem has numerous practical applications such as error correcting codes and reverse k-nearest neighbor problem. Using the reduction of non…

计算几何 · 计算机科学 2015-03-19 Marko D. Petkovic , Dragoljub Pokrajac , Longin Jan Latecki

This letter proposes a low-complexity signal detection method for the splitting receiver scheme, which achieves an excellent symbol error rate (SER) performance. Based on the three-dimensional (3D) received signal of the splitting receiver,…

信号处理 · 电气工程与系统科学 2023-05-31 Yanyan Wang , Qidi Li , Xiaohu Tang

Recent research revealed the existence of gaps in the complexity landscape of locally checkable labeling (LCL) problems in the LOCAL model of distributed computing. For example, the deterministic round complexity of any LCL problem on…

数据结构与算法 · 计算机科学 2020-09-22 Yi-Jun Chang

The current paper investigates the bounded distance decoding (BDD) problem for ensembles of lattices whose generator matrices have sub-Gaussian entries. We first prove that, for these ensembles the BDD problem is NP-hard in the worst case.…

计算复杂性 · 计算机科学 2025-06-23 Shuhong Gao

We introduce a lattice random walk discretisation scheme for stochastic differential equations (SDEs) that samples binary or ternary increments at each step, suppressing complex drift and diffusion computations to simple 1 or 2 bit random…

数值分析 · 数学 2026-02-18 Samuel Duffield , Maxwell Aifer , Denis Melanson , Zach Belateche , Patrick J. Coles

We introduce new reliability definitions for bit and check nodes. Maximizing global reliability, which is the sum reliability of all bit nodes, is shown to be equivalent to minimizing a decoding metric which is closely related to the…

信息论 · 计算机科学 2010-01-15 Chi-Yuan Chang , Yu T. Su , Yu-Liang Chen , Yin-Chen Liu

This brief introduces a hardware complexity reduction method for successive cancellation list (SCL) decoders. Specifically, we propose to use a sorting scheme so that L paths with smallest path metrics are also sorted according to their…

硬件体系结构 · 计算机科学 2019-08-20 Onur Dizdar

We describe two implementations of the optimal error correction algorithm known as the maximum likelihood decoder (MLD) for the 2D surface code with a noiseless syndrome extraction. First, we show how to implement MLD exactly in time…

量子物理 · 物理学 2014-10-01 Sergey Bravyi , Martin Suchara , Alexander Vargo

Neural network decoding algorithms are recently introduced by Nachmani et al. to decode high-density parity-check (HDPC) codes. In contrast with iterative decoding algorithms such as sum-product or min-sum algorithms in which the weight of…

信息论 · 计算机科学 2018-09-14 Mohammad-Reza Sadeghi , Farzane Amirzade , Daniel Panario , Amin Sakzad

State-of-the-art object detectors usually learn multi-scale representations to get better results by employing feature pyramids. However, the current designs for feature pyramids are still inefficient to integrate the semantic information…

计算机视觉与模式识别 · 计算机科学 2018-08-27 Tao Kong , Fuchun Sun , Wenbing Huang , Huaping Liu

The growing gap between the increasing complexity of large language models (LLMs) and the limited computational budgets of edge devices poses a key challenge for efficient on-device inference, despite gradual improvements in hardware…

分布式、并行与集群计算 · 计算机科学 2025-11-06 Xiangchen Li , Dimitrios Spatharakis , Saeid Ghafouri , Jiakun Fan , Hans Vandierendonck , Deepu John , Bo Ji , Dimitrios Nikolopoulos