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This work considers an uplink asynchronous massive random access scenario in which a large number of users asynchronously access a base station equipped with multiple receive antennas. The objective is to alleviate the problem of massive…

信号处理 · 电气工程与系统科学 2024-11-05 Zhichao Shao , Xiaojun Yuan , Rodrigo C. de Lamare , Yong Zhang

In a two-user broadcast channel where one user has full CSIR and the other has none, a recent result showed that TDMA is strictly suboptimal and a product superposition requiring non-coherent signaling achieves DoF gains under many antenna…

信息论 · 计算机科学 2016-07-26 Yang Li , Aria Nosratinia

Recently, it has been shown that CSMA-type random access algorithms can achieve the maximum possible throughput in ad hoc wireless networks. However, these algorithms assume an idealized continuous-time CSMA protocol where collisions can…

网络与互联网体系结构 · 计算机科学 2019-11-13 Jian Ni , Bo Tan , R. Srikant

Central pattern generators (CPGs) appear to have evolved multiple times throughout the animal kingdom, indicating that their design imparts a significant evolutionary advantage. Insight into how this design is achieved is hindered by the…

生物物理 · 物理学 2018-09-05 Eve Armstrong

Traffic of Industrial Control System (ICS) between the Human Machine Interface (HMI) and the Programmable Logic Controller (PLC) is known to be highly periodic. However, it is sometimes multiplexed, due to asynchronous scheduling. Modeling…

密码学与安全 · 计算机科学 2016-07-27 Amit Kleinmann , Avishai Wool

The proposed delta-sigma modulator ($\Delta\Sigma$M) based signal acquisition architecture uses a differential difference amplifier (DDA) customized for dual purpose roles, namely as instrumentation amplifier and as integrator of…

信号处理 · 电气工程与系统科学 2020-03-10 Joydeep Basu , Pradip Mandal

Dynamic spectrum access (DSA) benefits from detection and classification of interference sources including in-network users, out-network users, and jammers that may all coexist in a wireless network. We present a deep learning based signal…

网络与互联网体系结构 · 计算机科学 2019-09-27 Yi Shi , Kemal Davaslioglu , Yalin E. Sagduyu , William C. Headley , Michael Fowler , Gilbert Green

Communications in dispersive direct-sequence code-division multiple-access (DS-CDMA) channels suffer from intersymbol and multiple-access interference, which can significantly impair performance. Joint maximum \textit{a posteriori}…

信息论 · 计算机科学 2007-07-13 Husheng Li , H. V. Poor

In previous studies on the capacity of orthogonal frequency division multiple access (OFDMA) systems, it is usually assumed that co-channel interference (CCI) from adjacent cells is a Gaussian-distributed random variable. However,…

信息论 · 计算机科学 2016-02-02 Qiang Huo , Meng Ma , Bingli Jiao

Phase-amplitude coupling (PAC), a form of cross-frequency interaction, has been implicated in various cognitive functions and, by extension, in neural communication and information integration. Accurately detecting and characterising PAC is…

神经元与认知 · 定量生物学 2026-03-11 Rajintha Gunawardena , Fei He

The rapid advancement of deepfake generation techniques poses significant threats to public safety and causes societal harm through the creation of highly realistic synthetic facial media. While existing detection methods demonstrate…

计算机视觉与模式识别 · 计算机科学 2026-03-03 Jianfeng Liao , Yichen Wei , Raymond Chan Ching Bon , Shulan Wang , Kam-Pui Chow , Kwok-Yan Lam

We compare two multi-detector detection strategies, namely, the coincidence and the coherent, for the detection of spinless inspiraling compact binary gravitational wave signals. The coincident strategy treats the detectors as if they are…

广义相对论与量子宇宙学 · 物理学 2011-09-30 S. Dhurandhar , H. Mukhopadhyay , H. Tagoshi , N. Kanda

An improved inference method for densely connected systems is presented. The approach is based on passing condensed messages between variables, representing macroscopic averages of microscopic messages. We extend previous work that showed…

信息论 · 计算机科学 2009-11-11 Juan P. Neirotti , David Saad

Influenced by deep penetration of the new generation of information technology, power systems have gradually evolved into highly coupled cyber-physical systems (CPS). Among many possible power CPS network attacks, a false data injection…

系统与控制 · 电气工程与系统科学 2022-05-03 Zhaoyang Qu , Xiaoyong Bo , Tong Yu , Yaowei Liu , Yunchang Dong , Zhongfeng Kan , Lei Wang , Yang Li

Kudekar et al. proved that the belief-propagation (BP) performance for low-density parity check (LDPC) codes can be boosted up to the maximum-a-posteriori (MAP) performance by spatial coupling. In this paper, spatial coupling is applied to…

信息论 · 计算机科学 2016-11-18 Keigo Takeuchi , Toshiyuki Tanaka , Tsutomu Kawabata

Domain Generation Algorithms (DGAs) evolve continuously to evade botnet detection, posing a persistent challenge for dependable network defense. While deep learning-based detectors achieve strong performance under static conditions, they…

密码学与安全 · 计算机科学 2026-05-12 Chaeyoung Lee , Chaeri Jung , Seonghoon Jeong

Asynchronous random access (RA) protocols are particularly attractive for their simplicity and avoidance of tight synchronization requirements. Recent enhancements have shown that the use of successive interference cancellation (SIC) can…

信息论 · 计算机科学 2016-07-22 Federico Clazzer , Francisco Lazaro , Gianluigi Liva , Mario Marchese

Sparse code multiple access (SCMA) is a new multiple access technique which supports massive connectivity. Compared with the current Long Term Evolution (LTE) system, it enables the overloading of active users on limited orthogonal…

信息论 · 计算机科学 2016-11-29 Chenchen Zhang , Yuan Luo , Yan Chen

Nonlinear distortion in power amplifiers (PA) can significantly degrade performance of orthogonal frequency division multiplexed (OFDM) communication systems. This paper presents a joint maximum-likelihood channel frequency response and…

信息论 · 计算机科学 2016-12-30 Sergey V. Zhidkov

We study probabilistic cellular automata (PCA) and quantum cellular automata (QCA) as frameworks for solving the Maximum Independent Set (MIS) problem. We first introduce a synchronous PCA whose dynamics drives the system toward the…

量子物理 · 物理学 2025-12-09 Federico Dell'Anna , Matteo Grotti , Vito Giardinelli