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Related papers: Aperture Selection for CAP Arrays (CAPAs)

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The increasing momentum of service-oriented architecture has led to the emergence of divergent delivered services, where service selection is meritedly required to obtain the target service fulfilling the requirements from both users and…

Distributed, Parallel, and Cluster Computing · Computer Science 2019-05-13 Songyuan Li , Jiwei Huang , Bo Cheng , Lizhen Cui , Yuliang Shi

As the technical trends for the next-generation wireless network significantly extend the near-field region, a performance reevaluation of integrated sensing and communications (ISAC) with an appropriate channel model to account for the…

Information Theory · Computer Science 2024-04-16 Boqun Zhao , Chongjun Ouyang , Yuanwei Liu , Xingqi Zhang , H. Vincent Poor

Free space optical communication has been applied in many scenarios because of its security, low cost and high rates. In such scenarios, a tracking system is necessary to ensure an acceptable signal power. Free space optical links were…

Signal Processing · Electrical Eng. & Systems 2020-04-27 Kehan Zhang , Bingcheng Zhu , Zaichen Zhang , Haibo Wang

Non-orthogonal multiple access (NOMA) has come to the fore as a spectral-efficient technique for fifth-generation and beyond communication networks. We consider the downlink of a NOMA system with untrusted users. In order to consider a more…

Information Theory · Computer Science 2023-08-21 Sapna Thapar , Deepak Mishra , Ravikant Saini

In this technical report, we analyze the performance of an interference-aware opportunistic relay selection protocol for multi-hop line networks which is based on the following simple rule: a node always transmits if it has a packet, except…

Networking and Internet Architecture · Computer Science 2012-07-18 Kostas Stamatiou , Davide Chiarotto , Federico Librino , Michele Zorzi

Offline safe reinforcement learning (OSRL) involves learning a decision-making policy to maximize rewards from a fixed batch of training data to satisfy pre-defined safety constraints. However, adapting to varying safety constraints during…

Machine Learning · Computer Science 2025-05-29 Yassine Chemingui , Aryan Deshwal , Honghao Wei , Alan Fern , Janardhan Rao Doppa

In this Paper, the effective capacity of a multiple-input multiple-output (MIMO) system in two different cases with receive antenna selection (RAS) and transmit antenna selection (TAS) schemes is investigated. A closed-form solution for the…

Information Theory · Computer Science 2016-08-09 Mohammad Lari , Abbas Mohammadi , Abdolali Abdipour , Inkyu Lee

The pinching-antenna systems (PASS), which dynamically activate and relocate the pinching-antennas (PAs) along the dielectric waveguide, offer unprecedented potential for integrated positioning and communication. The multi-waveguide-based…

Signal Processing · Electrical Eng. & Systems 2026-05-27 Yaoyu Zhang , Xin Sun , Jun Wang , Tianwei Hou , Anna Li , Yuanwei Liu , Arumugam Nallanathan

The network Lasso is a recently proposed convex optimization method for machine learning from massive network structured datasets, i.e., big data over networks. It is a variant of the well-known least absolute shrinkage and selection…

Machine Learning · Statistics 2017-09-06 Alexandru Mara , Alexander Jung

The frequency scarcity imposed by fast growing demand for mobile data service requires promising spectrum aggregation systems. The so-called higher-order statistics (HOS) of the channel capacity is a suitable metric on the system…

Information Theory · Computer Science 2016-12-07 Jiayi Zhang , Xiaoyu Chen , Kostas P. Peppas , Xu Li , Ying Liu

Wireless networking is becoming an increasingly important and popular way of providing global information access to users on the move. One of the main challenges for seamless mobility is the availability of simple and robust handoff…

Networking and Internet Architecture · Computer Science 2012-06-18 Siva Alagu , T. Meyyappan

Fluid antennas (FAs) is a promising technology for introducing flexibility and reconfigurability in wireless networks. Recent research efforts have highlighted the potential gains that can be achieved in comparison to conventional antennas.…

Signal Processing · Electrical Eng. & Systems 2023-11-03 Constantinos Psomas , Peter J. Smith , Himal A. Suraweera , Ioannis Krikidis

This paper proposes an iterative detection and decoding (IDD) scheme and an approach to improve the selection of access points (APs) in uplink cell-free massive multiple-antenna systems. A cost-effective scheme for selection of APs based on…

Information Theory · Computer Science 2023-12-27 R. B. Di Renna , R. C. de Lamare

An opportunistic relay selection based on instantaneous knowledge of channels is considered to increase security against eavesdroppers. The closed-form expressions are derived for the average secrecy rates and the outage probability when…

Information Theory · Computer Science 2010-04-09 Xiaojun Sun , Chunming Zhao , Ming Jiang

Most existing antenna array-based source localization methods rely on fixed-position arrays (FPAs) and strict assumptions about source field conditions (near-field or far-field), which limits their effectiveness in complex, dynamic…

This paper investigates the relay selection (RS) problem in networks with multiple users and multiple common amplify-and-forward (AF) relays. Considering the overall quality-of-service of the network, we first specify our definition of…

Information Theory · Computer Science 2011-10-20 Saman Atapattu , Yindi Jing , Hai Jiang , Chintha Tellambura

This paper presents key performance metrics for near-field communication and sensing systems and their scaling behavior as a function of the antenna array aperture. Analytical expressions are derived for several standard array geometries to…

Signal Processing · Electrical Eng. & Systems 2026-01-09 Marcin Wachowiak , André Bourdoux , Sofie Pollin

A wireless sensing architecture via pinching antenna systems is proposed. Compared to conventional wireless systems, PASS offers flexible antenna deployment and improved probing performance for wireless sensing by leveraging dielectric…

Signal Processing · Electrical Eng. & Systems 2025-05-22 Zhaolin Wang , Chongjun Ouyang , Yuanwei Liu , Arumugam Nallanathan

Performance of cooperative diversity schemes at Low Signal to Noise Ratios (LSNR) was recently studied by Avestimehr et. al. [1] who emphasized the importance of diversity gain over multiplexing gain at low SNRs. It has also been pointed…

Information Theory · Computer Science 2007-07-13 Ketan Rajawat , Adrish Banerjee

Densification of access points (APs) in wireless local area networks (WLANs) increases the interference and the contention domains of each AP due to multiple overlapped basic service sets (BSSs). Consequently, high interference from…

Networking and Internet Architecture · Computer Science 2016-08-19 Phillip B. Oni , Steven D. Blostein
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