English
Related papers

Related papers: Robust Connectivity with Multiple Nonisotropic Ant…

200 papers

In this letter, we introduce the performance of maximal ratio combining (MRC) with weighting errors for physical layer security. We assume both legitimate user and eavesdropper each equipped with multiple antennas employ non ideal MRC. The…

Information Theory · Computer Science 2013-11-12 Anish Prasad Shrestha , Kyung Sup Kwak

We demonstrate that asymmetric 3-port devices can be used to design a multi-functional set-up operating as a symmetric combiner and splitter at the same frequency. For a concrete implementation of the proposed multi-functionality protocol,…

Classical Physics · Physics 2020-06-24 Olivier Richoux , Vassos Achilleos , Georgios Theocharis , Ioannis Brouzos , Fotios Diakonos

With the increasing scale of communication networks, the likelihood of failures grows as well. Since these networks form a critical backbone of our digital society, it is important that they rely on robust routing algorithms which ensure…

Distributed, Parallel, and Cluster Computing · Computer Science 2023-07-13 Christoph Lenzen , Moti Medina , Mehrdad Saberi , Stefan Schmid

This paper studies a multi-target multi-user integrated sensing and communication (ISAC) system where a multi-antenna base station (BS) communicates with multiple single-antenna users in the downlink and senses the unknown and random angle…

Information Theory · Computer Science 2025-07-01 Jiayi Yao , Shuowen Zhang

Satellite communication is one of the key technologies that is enabling next-generation networks. However, nearest-satellite-supported downlink transmission may not meet a user's requirements due to limited signal strength, especially in…

Signal Processing · Electrical Eng. & Systems 2024-10-08 Xiangyu Li , Bodong Shang

This letter investigates the transmit power and trajectory optimization problem for unmanned aerial vehicle (UAV)-aided networks. Different from majority of the existing studies with fixed communication infrastructure, a dynamic scenario is…

Signal Processing · Electrical Eng. & Systems 2018-01-17 Haichao Wang , Guochun Ren , Jin Chen , Guoru Ding , Yijun Yang

In recent advances in solving the problem of transmission network expansion planning, the use of robust optimization techniques has been put forward, as an alternative to stochastic mathematical programming methods, to make the problem…

Computational Engineering, Finance, and Science · Computer Science 2016-09-28 Roberto Minguez , Raquel Garcia-Bertrand

This paper proposes a novel multi-mode pinching-antenna systems (PASS) framework. Multiple data streams can be transmitted within a single waveguide through multiple guided modes, thus facilitating efficient multi-user communications…

Signal Processing · Electrical Eng. & Systems 2026-01-29 Xiaoxia Xu , Xidong Mu , Yuanwei Liu , Arumugam Nallanathan

An asymptotic technique is presented for finding the spectral efficiency of multi-antenna links in wireless networks where transmitters have Channel-State-Information (CSI) corresponding to their target receiver. Transmitters are assumed to…

Information Theory · Computer Science 2010-09-22 Siddhartan Govindasamy , Daniel W. Bliss , David H. Staelin

We consider that a transmitter covertly communicates with multiple receivers under the help of a friendly jammer. The messages intended for different receivers are transmitted in mutually orthogonal frequency bands. An adversary observes…

Information Theory · Computer Science 2021-03-03 Ke-Wen Huang , Hao Deng , Hui-Ming Wang

Traditional approaches to outage-constrained beamforming optimization rely on statistical assumptions about channel distributions and estimation errors. However, the resulting outage probability guarantees are only valid when these…

Signal Processing · Electrical Eng. & Systems 2025-05-27 Xin Su , Qiushuo Hou , Ruisi He , Osvaldo Simeone

Reconfigurable distributed antennas and reflecting surface (RDARS) has emerged as a promising architecture for communication and sensing performance enhancement. In particular, the new selection gain can be achieved by leveraging the…

Signal Processing · Electrical Eng. & Systems 2026-03-13 Chengwang Ji , Haiquan Lu , Qiaoyan Peng , Jintao Wang , Shaodan Ma

Multi-mode antennas are an alternative to classical antenna arrays, and hence a promising emerging sensor technology for a vast variety of applications in the areas of array signal processing and digital communications. An unsolved problem…

Signal Processing · Electrical Eng. & Systems 2019-05-30 Sami Alkubti Almasri , Robert Pöhlmann , Niklas Doose , Peter A. Hoeher , Armin Dammann

Different from conventional passive reconfigurable intelligent surfaces (RISs), incident signals and thermal noise can be amplified at active RISs. By exploiting the amplifying capability of active RISs, noticeable performance improvement…

Information Theory · Computer Science 2025-04-02 Jinho Yang , Hyeongtaek Lee , Junil Choi

Radio astronomy observations in the coming decade will require new levels of sensitivity while mapping large regions of space with much greater efficiency than is achieved with current telescopes. This requires new instrumentation with the…

Instrumentation and Methods for Astrophysics · Physics 2009-09-30 Matthew A. Morgan , J. Richard Fisher

Wireless powered backscatter communications is an attractive technology for next-generation low-powered sensor networks such as the Internet of Things. However, backscattering suffers from collisions due to multiple simultaneous…

Information Theory · Computer Science 2017-07-12 Constantinos Psomas , Ioannis Krikidis

Unmanned aerial vehicle (UAV)-enabled communication is a promising technology to extend coverage and enhance throughput for traditional terrestrial wireless communication systems. In this paper, we consider a UAV-enabled wireless sensor…

Information Theory · Computer Science 2020-02-25 Jingwei Zhang , Yong Zeng , Rui Zhang

A deterministic evaluation procedure for multi-port direction finding antennas is proposed. It is based on a direction finding uncertainty parameter, which describes how well different directions of arrival and polarizations are…

Signal Processing · Electrical Eng. & Systems 2023-07-12 Lukas Grundmann , Dirk Manteuffel

This paper applies Information Theoretic analysis to packet-based random multiple access communication systems. A new channel coding approach is proposed for coding within each data packet with built-in support for bursty traffic…

Information Theory · Computer Science 2016-11-17 Jie Luo , Anthony Ephremides

As a pivotal usage scenario for 6G networks, integrated sensing and communication (ISAC) has emerged as a focal point of both academic and industrial research. To accommodate the heterogeneous connectivity requirements of future networks…

Signal Processing · Electrical Eng. & Systems 2026-04-29 Qinyuan Zheng , Pengcheng Zhu
‹ Prev 1 8 9 10 Next ›