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Optimal symbol detection in multiple-input multiple-output (MIMO) systems is known to be an NP-hard problem. Recently, there has been a growing interest to get reasonably close to the optimal solution using neural networks while keeping the…

信号处理 · 电气工程与系统科学 2021-10-15 Nicolas Zilberstein , Chris Dick , Rahman Doost-Mohammady , Ashutosh Sabharwal , Santiago Segarra

This paper investigates target localization using a multistatic multiple-input multiple-output (MIMO) radar system with two distinct coprime array configurations: coprime L-shaped arrays and coprime planar arrays. The observed signals are…

信号处理 · 电气工程与系统科学 2025-05-29 Guo-Zhao Liao , Xiao-Feng Gong , Wei Liu , Hing Cheung So

Sparse Bayesian learning (SBL)-aided target localization is conceived for a bistatic mmWave MIMO radar system in the presence of unknown clutter, followed by the development of an angle-Doppler (AD)-domain representation of the…

信号处理 · 电气工程与系统科学 2025-06-16 Priyanka Maity , Suraj Srivastava , Aditya K. Jagannatham , Lajos Hanzo

In multiple-input multiple-output (MIMO) spatially multiplexing (SM) systems, achievable error rate performance is determined by signal detection strategy. The optimal maximum-likelihood detection (MLD) that exhaustively examines all symbol…

信息论 · 计算机科学 2015-03-17 Makoto Tanahashi , Hideki Ochiai

Recently, lattice reduction (LR) technique has caught great attention for multi-input multi-output (MIMO) receiver because of its low complexity and high performance. However, when the number of antennas is large, LR-aided linear detectors…

信息论 · 计算机科学 2013-04-04 Qi Zhou , Xiaoli Ma

Consider a MIMO interference channel whereby each transmitter and receiver are equipped with multiple antennas. The basic problem is to design optimal linear transceivers (or beamformers) that can maximize system throughput. The recent work…

信息论 · 计算机科学 2010-09-20 Meisam Razaviyayn , Maziar Sanjabi , Zhi-Quan Luo

We consider the design of polyphase waveforms for ground moving target detection with airborne multiple-input-multiple-output (MIMO) radar. Due to the constant-modulus and finite-alphabet constraint on the waveforms, the associated design…

信号处理 · 电气工程与系统科学 2020-10-28 Bo Tang , Jonathan Tuck , Peter Stoica

This work considers the problem of passively monitoring multiple moving targets with a single unmanned aerial vehicle (UAV) agent equipped with a direction-finding radar. This is in general a challenging problem due to the unobservability…

系统与控制 · 电气工程与系统科学 2023-08-01 Savvas Papaioannou , Christos Laoudias , Panayiotis Kolios , Theocharis Theocharides , Christos G. Panayiotou

Accurate and ubiquitous localization is crucial for a variety of applications such as logistics, navigation, intelligent transport, monitoring, control, and also for the benefit of communications. Exploiting millimeter-wave (mmWave) signals…

信号处理 · 电气工程与系统科学 2022-12-02 Mohammad A. Nazari , Gonzalo Seco-Granados , Pontus Johannisson , Henk Wymeersch

Blind enumeration of the number of transmit antennas and blind identification of multiple-input multiple-output (MIMO) schemes are two pivotal steps in MIMO signal identification for both military and commercial applications. Conventional…

信号处理 · 电气工程与系统科学 2019-08-16 Mingjun Gao , Yongzhao Li , Octavia A. Dobre , Naofal Al-Dhahir

This paper considers a nonlinear multi-hop multi-user multiple-input multiple-output (MU-MIMO) relay channel, in which multiple users send information symbols to a multi-antenna base station (BS) with one-bit analog-to-digital converters…

信息论 · 计算机科学 2019-04-09 Daeun Kim , Song-Nam Hong , Namyoon Lee

In wireless communication systems, the use of multiple antennas at both the transmitter and receiver is a widely known method for improving both reliability and data rates, as it increases the former through transmit or receive diversity…

信息论 · 计算机科学 2014-12-31 Fathurrahman Hilman , Jong-Hyen Baek , Eun-Kyung Chae , KyungchunLee

Although routinely utilized in literature, orthogonal waveforms may lose orthogonality in distributed multi-input multi-output (MIMO) radar with spatially separated transmit (TX) and receive (RX) antennas, as the waveforms may experience…

信号处理 · 电气工程与系统科学 2021-08-04 Hongbin Li , Fangzhou Wang , Cengcang Zeng , Mark A. Govoni

Practical data detectors for future wireless systems with hundreds of antennas at the base station must achieve high throughput and low error rate at low complexity. Since the complexity of maximum-likelihood (ML) data detection is…

信息论 · 计算机科学 2016-12-01 Oscar Castañeda , Tom Goldstein , Christoph Studer

This work proposes a novel joint design for multiuser multiple-input multiple-output wiretap channels. The base station exploits a switching network to connect a subset of its antennas to the available radio frequency chains. The switching…

信号处理 · 电气工程与系统科学 2024-11-05 Zhenqiao Cheng , Nanxi Li , Ruizhe Long , Jianchi Zhu , Chongjun Ouyang , Peng Chen

Optimal data detection in multiple-input multiple-output (MIMO) communication systems with a large number of antennas at both ends of the wireless link entails prohibitive computational complexity. In order to reduce the computational…

信息论 · 计算机科学 2015-10-22 Charles Jeon , Ramina Ghods , Arian Maleki , Christoph Studer

Massive multiple-input multiple-output (MIMO) is a key technology for emerging next-generation wireless systems. Utilizing large antenna arrays at base-stations, massive MIMO enables substantial spatial multiplexing gains by simultaneously…

信号处理 · 电气工程与系统科学 2022-04-13 Ly V. Nguyen , Nhan T. Nguyen , Nghi H. Tran , Markku Juntti , A. Lee Swindlehurst , Duy H. N. Nguyen

This paper considers the data association problem for multi-target tracking. Multiple hypothesis tracking is a popular algorithm for solving this problem but it is NP-hard and is is quite complicated for a large number of targets or for…

信息论 · 计算机科学 2021-05-05 Haiqi Liu , Xiaojing Shen , Zhiguo Wang , Fanqin Meng , Junfeng Wang , Pramod , Varshney

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…

信息论 · 计算机科学 2023-08-23 Jiuyu Liu , Yi Ma , Rahim Tafazolli

We consider joint detection of co-channel signals---specifically, signals which do not possess a natural separability due to, for example, the multiple access technique or the use of multiple antennas. Iterative joint detection and decoding…

信息论 · 计算机科学 2015-08-17 Daniel J. Jakubisin , R. Michael Buehrer