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相关论文: Decentralized Algorithms for Out-of-System Interfe…

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In many critical Machine Learning applications, such as autonomous driving and medical image diagnosis, the detection of out-of-distribution (OOD) samples is as crucial as accurately classifying in-distribution (ID) inputs. Recently Outlier…

计算机视觉与模式识别 · 计算机科学 2024-10-11 Lakpa D. Tamang , Mohamed Reda Bouadjenek , Richard Dazeley , Sunil Aryal

Most works on cell-free massive multiple-input multiple-output (MIMO) consider non-cooperative precoding strategies at the base stations (BSs) to avoid extensive channel state information (CSI) exchange via backhaul signaling. However,…

信息论 · 计算机科学 2020-10-14 Italo Atzeni , Bikshapathi Gouda , Antti Tölli

Efficient utilization of licensed spectrum in the cognitive radio network is challenging due to lack of coordination among the Secondary Users (SUs). Distributed algorithms proposed in the literature aim to maximize the network throughput…

信号处理 · 电气工程与系统科学 2018-11-19 Suneet Sawant , Rohit Kumar , Manjesh K. Hanawal , Sumit J. Darak

Out-of-distribution (OOD) detection aims to discern outliers from the intended data distribution, which is crucial to maintaining high reliability and a good user experience. Most recent studies in OOD detection utilize the information from…

计算与语言 · 计算机科学 2022-10-21 Hyunsoo Cho , Choonghyun Park , Jaewook Kang , Kang Min Yoo , Taeuk Kim , Sang-goo Lee

In this paper, we introduce an efficient interference alignment (IA) algorithm exploiting partially coordinated transmit precoding to improve the number of concurrent interference-free transmissions, i.e., the multiplexing gain, in…

信息论 · 计算机科学 2011-03-24 Aimal Khan Yousafzai , Mohammad Reza Nakhai

This work presents joint interference suppression and power allocation algorithms for DS-CDMA networks with multiple hops and decode-and-forward (DF) protocols. A scheme for joint allocation of power levels across the relays subject to…

信息论 · 计算机科学 2013-04-09 Rodrigo C. de Lamare

Interference alignment (IA) is a cooperative transmission strategy that improves spectral efficiency in high signal-to-noise ratio (SNR) environments, yet performs poorly in low-SNR scenarios. This limits IA's utility in cellular systems as…

信息论 · 计算机科学 2013-05-14 Jonathan Starr , Omar El Ayach , Robert W. Heath

Orthogonal Frequency Division Multiple Access (OFDMA) as well as other orthogonal multiple access techniques fail to achieve the system capacity limit in the uplink due to the exclusivity in resource allocation. This issue is more prominent…

信息论 · 计算机科学 2017-05-12 Mohammed Al-Imari , Pei Xiao , Muhammad Ali Imran , Rahim Tafazolli

Perceptive mobile network (PMN) is a recently proposed next-generation network that integrates radar sensing into communication. One major challenge for realizing sensing in PMNs is how to deal with spatially-separated asynchronous…

信号处理 · 电气工程与系统科学 2020-11-19 Zhitong Ni , J. Andrew Zhang , Xiaojing Huang , Kai Yang , Jinhong Yuan

High-mobility scenarios are becoming increasingly critical in next-generation communication systems. While multiple-input multiple-output orthogonal frequency division multiplexing (MIMO-OFDM) stands as a prominent technology, its…

信号处理 · 电气工程与系统科学 2025-12-22 Hengyu Zhang , Xuehan Wang , Xu Shi , Jintao Wang , Zhaohui Yang

This letter studies the mechanism of uplink multiple access and jamming suppression in an OTFS system. Specifically, we propose a novel resource hopping mechanism for orthogonal time frequency space (OTFS) systems with delay or Doppler…

信息论 · 计算机科学 2023-09-06 Qinwen Deng , Yao Ge , Zhi Ding

A new modulation scheme called OFDM with index modulation (OFDM-IM) is introduced recently. This scheme allows to transmit additional bits by mapping a part of incoming bit stream to the indices of the subcarriers. In this work, performance…

信息论 · 计算机科学 2018-01-31 Merve Yüzgeçcioğlu , Eduard Jorswieck

This chapter presents joint interference suppression and power allocation algorithms for DS-CDMA and MIMO networks with multiple hops and amplify-and-forward and decode-and-forward (DF) protocols. A scheme for joint allocation of power…

信息论 · 计算机科学 2013-01-28 Patrick Clarke , Rodrigo C. de Lamare

Accessing machine learning models through remote APIs has been gaining prevalence following the recent trend of scaling up model parameters for increased performance. Even though these models exhibit remarkable ability, detecting…

机器学习 · 计算机科学 2024-08-20 Heeyoung Lee , Hoyoon Byun , Changdae Oh , JinYeong Bak , Kyungwoo Song

This paper studies the design of a decentralized multiuser multi-antenna (MIMO) system for spectrum sharing over a fixed narrow band, where the coexisting users independently update their transmit covariance matrices for individual…

信息论 · 计算机科学 2009-05-22 Rui Zhang , John M. Cioffi

Developing an efficient spectrum access policy enables cognitive radios to dramatically increase spectrum utilization while ensuring predetermined quality of service levels for primary users. In this paper, modeling, performance analysis,…

信息论 · 计算机科学 2014-09-04 Hossein Shokri-Ghadikolaei , Carlo Fischione

This work presents blind joint interference suppression and power allocation algorithms for DS-CDMA networks with multiple relays and decode and forward protocols. A scheme for joint allocation of power levels across the relays subject to…

信息论 · 计算机科学 2013-04-10 Rodrigo C. de Lamare

Nonlinear self-interference cancellation (SIC) is essential for full-duplex communication systems, which can offer twice the spectral efficiency of traditional half-duplex systems. The challenge of nonlinear SIC is similar to the classic…

信号处理 · 电气工程与系统科学 2024-03-19 Hyowon Lee , Jungyeon Kim , Geon Choi , Ian P. Roberts , Jinseok Choi , Namyoon Lee

In this paper, we consider networked distributed systems in the presence of Denial-of-Service (DoS) attacks, namely attacks that prevent transmissions over the communication network. First, we consider a simple and typical scenario where…

系统与控制 · 计算机科学 2017-09-19 Shuai Feng , Pietro Tesi , Claudio De Persis

A novel basis signal optimization method is proposed for reducing the interference in the N-continuous orthogonal frequency division multiplexing (NC-OFDM) system. Compared to conventional NC-OFDM, the proposed scheme is capable of…

信号处理 · 电气工程与系统科学 2020-11-04 Peng Wei , Yue Xiao , Wei Xiang