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Soft demodulation of received symbols into bit log-likelihood ratios (LLRs) is at the very heart of multiple-input-multiple-output (MIMO) detection. However, the optimal maximum a posteriori (MAP) detector is complicated and infeasible to…

Signal Processing · Electrical Eng. & Systems 2022-08-18 Jiankun Zhang , Hao Wang , Jing Qian , Zhenxing Gao

This letter presents a novel detection strategy for Spatially-Multiplexed Generalized Spatial Modulation systems. It is a multi-stage detection that produces a list of candidates of the transmitted signal vector, sorted according to the…

Information Theory · Computer Science 2015-04-21 João Cal-Braz , Raimundo Sampaio-Neto

Physical layer security (PLS) technology based on the fixed-position antenna (FPA) has {attracted widespread attention}. Due to the fixed feature of the antennas, current FPA-based PLS schemes cannot fully utilize the spatial degree of…

Information Theory · Computer Science 2024-05-28 Zhiyong Feng , Yujia Zhao , Kan Yu , Dong Li

This work proposes a novel approach to reinforce localization security in wireless networks in the presence of malicious nodes that are able to manipulate (spoof) radio measurements. It substitutes the original measurement model by another…

Signal Processing · Electrical Eng. & Systems 2025-04-01 Slavisa Tomic , Marko Beko , Yakubu Tsado , Bamidele Adebisi , Abiola Oladipo

We propose a novel scheme that allows MIMO system to modulate a set of permutation matrices to send more information bits, extending our initial work on the topic. This system is called Permutation Matrix Modulation (PMM). The basic idea is…

Information Theory · Computer Science 2022-12-27 Rahmat Faddli Siregar , Nandana Rajatheva , Matti Latva-Aho

Semantic segmentation networks (SSNs) are central to safety-critical applications such as medical imaging and autonomous driving, where robustness under uncertainty is essential. However, existing probabilistic verification methods often…

Computer Vision and Pattern Recognition · Computer Science 2025-11-18 Navid Hashemi , Samuel Sasaki , Diego Manzanas Lopez , Lars Lindemann , Ipek Oguz , Meiyi Ma , Taylor T. Johnson

In this paper, we propose an algorithm based on the Alternating Minimization technique to solve the uplink massive MIMO detection problem. The proposed algorithm provides a lower complexity compared to the conventional MMSE detection…

Information Theory · Computer Science 2019-02-26 Anis Elgabli , Ali Elghariani , Vaneet Aggarwal , Mark Bell

Wireless communication provides a wide coverage at the cost of exposing information to unintended users. As an information-theoretic paradigm, secrecy rate derives bounds for secure transmission when the channel to the eavesdropper is…

Information Theory · Computer Science 2016-11-17 Ashkan Kalantari , Mojtaba Soltanalian , Sina Maleki , Symeon Chatzinotas , Björn Ottersten

The advancement of future large-scale wireless networks necessitates the development of cost-effective and scalable security solutions. Conventional cryptographic methods, due to their computational and key management complexity, are unable…

Signal Processing · Electrical Eng. & Systems 2023-08-15 Alireza Nooraiepour , Shaghayegh Vosoughitabar , Chung-Tse Michael Wu , Waheed U. Bajwa , Narayan B. Mandayam

Propagation modeling is a crucial tool for successful wireless deployments and spectrum planning with the demand for high modeling accuracy continuing to grow. Recognizing that detailed knowledge of the physical environment (terrain and…

Machine Learning · Computer Science 2024-05-30 Jonathan Ethier , Mathieu Chateauvert

Movable antenna (MA) has emerged as a promising technology to enhance wireless communication performance by exploiting the new degree of freedom (DoF) via antenna position optimization. In this letter, we investigate the MA-enhanced wide…

Signal Processing · Electrical Eng. & Systems 2026-01-01 Dong Wang , Weidong Mei , Zhi Chen , Boyu Ning

Following the great success of Machine Learning (ML), especially Deep Neural Networks (DNNs), in many research domains in 2010s, several ML-based approaches were proposed for detection in large inverse linear problems, e.g., massive MIMO…

Signal Processing · Electrical Eng. & Systems 2021-10-22 Edgar Beck , Carsten Bockelmann , Armin Dekorsy

Signal detection in large multiple-input multiple-output (large-MIMO) systems presents greater challenges compared to conventional massive-MIMO for two primary reasons. First, large-MIMO systems lack favorable propagation conditions as they…

Information Theory · Computer Science 2023-08-23 Jiuyu Liu , Yi Ma , Rahim Tafazolli

In a wireless network, the spatial location of the transmitters has a large impact on the achievable rate at each user location. The optimal placement of -- for example -- cellular base stations is a difficult non-convex problem, and is…

Information Theory · Computer Science 2026-05-08 Lukas Taus , Richard Tsai , Jeffrey G. Andrews

Network security is a critical concern in the digital landscape of today, with users demanding secure browsing experiences and protection of their personal data. This study explores the dynamic integration of Machine Learning (ML)…

Networking and Internet Architecture · Computer Science 2026-04-17 Pablo Benlloch , Oscar Romero , Antonio Leon , Jaime Lloret

Recent advances in micro-sensor and communication technology have enabled the emergence of a new technology, Wireless Sensor Networks (WSN). WSN have emerging recently as a key solution to monitor remote or hostile environments and concern…

Networking and Internet Architecture · Computer Science 2013-09-25 Dame Diongue , Ousmane Thiare

Movable-antenna (MA) arrays are envisioned as a promising technique for enhancing secrecy performance in wireless communications by leveraging additional spatial degrees of freedom. However, when the eavesdropper is located in the same…

Signal Processing · Electrical Eng. & Systems 2025-07-01 Chu Li , Marjan Boloori , Eduard Jorswieck , Aydin Sezgin

Advancements in Complementary Metal Oxide Semiconductor (CMOS) technology have enabled Wireless Sensor Networks (WSN) to gather, process and transport multimedia (MM) data as well and not just limited to handling ordinary scalar data…

Networking and Internet Architecture · Computer Science 2015-12-14 Taner Cevik , Alex Gunagwera , Nazife Cevik

Orthogonal time-frequency space (OTFS) has been confirmed to take advantage of full time-frequency diversity to significantly improve error performance in high-mobility scenarios. We found that the proposed message passing (MP) and…

Information Theory · Computer Science 2021-09-22 Haoyan Liu , Yanming Liu , Min Yang

With fluid antenna system (FAS) gradually establishing itself as a possible enabling technology for next generation wireless communications, channel estimation for FAS has become a pressing issue. Existing methodologies however face…

Signal Processing · Electrical Eng. & Systems 2025-07-09 Zhen Chen , Jianqing Li , Xiu Yin Zhang , Kai-Kit Wong , Chan-Byoung Chae , Yangyang Zhang
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