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We consider multiple-input multiple-output (MIMO) radar systems with widely-spaced antennas. Such antenna configuration facilitates capturing the inherent diversity gain due to independent signal dispersion by the target scatterers. We…

Information Theory · Computer Science 2015-10-28 Ali Tajer , Guido H. Jajamovich , Xiaodong Wang , George V. Moustakides

This paper addresses the dual challenge of improving anomaly detection and signal integrity in high-speed dynamic random access memory signals. To achieve this, we propose a joint training framework that integrates an autoencoder with a…

Machine Learning · Computer Science 2025-06-24 Muhammad Usama , Hee-Deok Jang , Soham Shanbhag , Yoo-Chang Sung , Seung-Jun Bae , Dong Eui Chang

Cell-free massive MIMO is a promising technology for beyond-5G networks. Through the deployment of many cooperating access points (AP), the technology can significantly enhance user coverage and spectral efficiency compared to traditional…

Information Theory · Computer Science 2023-01-12 Ly V. Nguyen , Hien Quoc Ngo , Le-Nam Tran , A. Lee Swindlehurst , Duy H. N. Nguyen

Large scale multiple-input multiple-output (MIMO) system is considered one of promising technologies for realizing next-generation wireless communication system (5G) to increasing the degrees of freedom in space and enhancing the link…

Information Theory · Computer Science 2014-07-24 Guan Gui , Li Xu

Digital constellations formed by hexagonal or other non-square two-dimensional lattices are often used in advanced digital communication systems. The integrals required to evaluate the symbol error rate (SER) of these constellations in the…

Information Theory · Computer Science 2019-02-20 Víctor Elvira , Ignacio Santamaría

Massive multiple-input multiple-output (M-MIMO) technique brings better energy efficiency and coverage but higher computational complexity than small-scale MIMO. For linear detections such as minimum mean square error (MMSE), prohibitive…

Signal Processing · Electrical Eng. & Systems 2018-02-19 Chuan Zhang , Yufeng Yang , Shunqing Zhang , Zaichen Zhang , Xiaohu You

In this paper, we study the low-complexity iterative soft-input soft-output (SISO) detection algorithm in a large-scale distributed multiple-input multiple-output (MIMO) system. The uplink interference suppression matrix is designed to…

Signal Processing · Electrical Eng. & Systems 2018-11-20 Yuan Feng , Menghan Wang , Dongming Wang , Xiaohu You

In this paper, the problem of optimal maximum likelihood detection in a single user single-input multiple-output (SIMO) channel with phase noise at the receiver is considered. The optimal detection rules under training are derived for two…

Information Theory · Computer Science 2016-11-18 Antonios Pitarokoilis , Emil Björnson , Erik G. Larsson

Pair-wise Markov random fields (MRF) are considered for application to the development of low complexity, iterative MIMO detection. Specifically, we consider two types of MRF, namely, the fully-connected and ring-type. For the edge…

Information Theory · Computer Science 2010-11-23 Seokhyun Yoon , Jun Heo

Orthogonal time frequency space (OTFS) modulation has emerged as a robust solution for high-mobility wireless communications. However, conventional detection algorithms, such as linear equalizers and message passing (MP) methods, either…

Signal Processing · Electrical Eng. & Systems 2025-12-17 Ruohai Yang , Shuangyang Li , Han Yu , Zhiqiang Wei , Kai Wan , Giuseppe Caire

This paper considers multiple-input multiple-output (MIMO) relay communication in multi-cellular (interference) systems in which MIMO source-destination pairs communicate simultaneously. It is assumed that due to severe attenuation and/or…

Information Theory · Computer Science 2017-03-28 Muhammad R A Khandaker , Kai-Kit Wong

Low-complexity near-optimal detection of large-MIMO signals has attracted recent research. Recently, we proposed a local neighborhood search algorithm, namely `reactive tabu search' (RTS) algorithm, as well as a factor-graph based `belief…

Information Theory · Computer Science 2010-01-15 Tanumay Datta , N. Srinidhi , A. Chockalingam , B. Sundar Rajan

In this work we propose novel decision feedback (DF) detection algorithms with error propagation mitigation capabilities for multi-input multi-output (MIMO) spatial multiplexing systems based on multiple processing branches. The novel…

Information Theory · Computer Science 2013-04-18 R. C. de Lamare , D. Le Ruyet

In this paper, we propose a sparse signal estimation algorithm that is suitable for many wireless communication systems, especially for the future millimeter wave and underwater communication systems. This algorithm is not only…

Information Theory · Computer Science 2018-07-20 Chongwen Huang , Lei Liu , Chau Yuen

We investigate a turbo soft detector based on the expectation propagation (EP) algorithm for large-scale multiple-input multiple-output (MIMO) systems. Optimal detection in MIMO systems becomes computationally unfeasible for high-order…

Signal Processing · Electrical Eng. & Systems 2019-01-11 Irene Santos , Juan José Murillo-Fuentes

We propose a deep-learning approach for the joint MIMO detection and channel decoding problem. Conventional MIMO receivers adopt a model-based approach for MIMO detection and channel decoding in linear or iterative manners. However, due to…

Information Theory · Computer Science 2019-01-18 Taotao Wang , Lihao Zhang , Soung Chang Liew

In this paper, we analyze the performance of evolutionary heuristic-aided linear detectors deployed in Multiple-Input Multiple-Output (MIMO) Orthogonal Frequency-Division Multiplexing (OFDM) systems, considering realistic operating…

Signal Processing · Electrical Eng. & Systems 2018-10-04 Rafael Masashi Fukuda , David William Marques Guerra , Ricardo Tadashi Kobayashi , Taufik Abrao

Massive MIMO systems are seen by many researchers as a paramount technology toward next generation networks. This technology consists of hundreds of antennas that are capable of sending and receiving simultaneously a huge amount of data.…

Distributed, Parallel, and Cluster Computing · Computer Science 2020-02-25 A. Dabah , H. Ltaief , Z. Rezki , M. -A. Arfaoui , M. -S. Alouini , D. Keyes

Motivated by MIMO broad-band fading channel model, in this section a comparative study is presented regarding various uncoded adaptive and non-adaptive MIMO detection algorithms with respect to BER/PER performance, and hardware complexity.…

Other Computer Science · Computer Science 2010-06-17 Nirmalendu Bikas Sinha , R. Bera , M. Mitra

Rapid detection of spatial events that propagate across a sensor network is of wide interest in many modern applications. In particular, in communications, radar, IoT, environmental monitoring, and biosurveillance, we may observe…

Statistics Theory · Mathematics 2023-01-18 Topi Halme , Eyal Nitzan , Visa Koivunen