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Unmanned aerial vehicles (UAVs) technique has been recognized as a promising solution in future wireless connectivity from the sky, and UAV navigation is one of the most significant open research problems, which has attracted wide interest…

Signal Processing · Electrical Eng. & Systems 2019-11-28 Hongji Huang , Yuchun Yang , Hong Wang , Zhiguo Ding , Hikmet Sari , Fumiyuki Adachi

In this paper, we consider signal detection algorithms in a multiple-input multiple-output (MIMO) decode-forward (DF) relay channel with one source, one relay, and one destination. The existing suboptimal near maximum likelihood (NML)…

Machine Learning · Statistics 2018-07-26 Xianglan Jin , Hyoung-Nam Kim

Large multiple-input multiple-output (MIMO) appears in massive multi-user MIMO and randomly-spread code-division multiple access (CDMA)-based wireless systems. In order to cope with the excessively high complexity of optimal data detection…

Information Theory · Computer Science 2018-11-06 Charles Jeon , Ramina Ghods , Arian Maleki , Christoph Studer

Symbol detection for Massive Multiple-Input Multiple-Output (MIMO) is a challenging problem for which traditional algorithms are either impractical or suffer from performance limitations. Several recently proposed learning-based approaches…

Signal Processing · Electrical Eng. & Systems 2019-06-12 Mehrdad Khani , Mohammad Alizadeh , Jakob Hoydis , Phil Fleming

Massive multiple-input multiple-output (MIMO) has been a critical enabling technology in 5th generation (5G) wireless networks. With the advent of 6G, a natural evolution is to employ even more antennas, potentially an order of magnitude…

Signal Processing · Electrical Eng. & Systems 2024-08-13 Wentao Yu , Yifan Ma , Hengtao He , Shenghui Song , Jun Zhang , Khaled B. Letaief

Existing work in intelligent communications has recently made preliminary attempts to utilize multi-source sensing information (MSI) to improve the system performance. However, the research on MSI aided intelligent communications has not…

Signal Processing · Electrical Eng. & Systems 2020-12-01 Yuwen Yang , Feifei Gao , Chengwen Xing , Jianping An , Ahmed Alkhateeb

Detection for one-bit massive MIMO systems presents several challenges especially for higher order constellations. Recent advances in both model-based analysis and deep learning frameworks have resulted in several robust one-bit detector…

Signal Processing · Electrical Eng. & Systems 2023-05-30 Aditya Sant , Bhaskar D. Rao

As one of the core technologies for 5G systems, massive multiple-input multiple-output (MIMO) introduces dramatic capacity improvements along with very high beamforming and spatial multiplexing gains. When developing efficient physical…

Information Theory · Computer Science 2023-11-01 Hengtao He , Xianghao Yu , Jun Zhang , Shenghui Song , Khaled B. Letaief

Deep learning is envisioned to play a key role in the design of future wireless receivers. A popular approach to design learning-aided receivers combines deep neural networks (DNNs) with traditional model-based receiver algorithms,…

Information Theory · Computer Science 2024-10-22 Tomer Raviv , Sangwoo Park , Osvaldo Simeone , Nir Shlezinger

We consider large MIMO systems, where by `{\em large}' we mean number of transmit and receive antennas of the order of tens to hundreds. Such large MIMO systems will be of immense interest because of the very high spectral efficiencies…

Information Theory · Computer Science 2008-04-08 K. Vishnu Vardhan , Saif K. Mohammed , A. Chockalingam , B. Sundar Rajan

Large-scale (or massive) multiple-input multiple-output (MIMO) is expected to be one of the key technologies in next-generation multi-user cellular systems, based on the upcoming 3GPP LTE Release 12 standard, for example. In this work, we…

Information Theory · Computer Science 2015-06-19 Michael Wu , Bei Yin , Guohui Wang , Chris Dick , Joseph R. Cavallaro , Christoph Studer

Single user massive multiple input multiple output (MIMO) can be used to increase the spectral efficiency, since the data is transmitted simultaneously from a large number of antennas located at both the base station and mobile. It is…

Information Theory · Computer Science 2018-11-29 K. Vasudevan , K. Madhu , Shivani Singh

In multi-user millimeter wave (mmWave) multiple-input-multiple-output (MIMO) systems, hybrid precoding is a crucial task to lower the complexity and cost while achieving a sufficient sum-rate. Previous works on hybrid precoding were usually…

Signal Processing · Electrical Eng. & Systems 2020-04-28 Ahmet M. Elbir , Anastasios Papazafeiropoulos

In this paper, we propose a deep unfolding neural network-based MIMO detector that incorporates complex-valued computations using Wirtinger calculus. The method, referred as Dynamic Partially Shrinkage Thresholding (DPST), enables…

Machine Learning · Computer Science 2025-07-30 Hangli Ge , Noboru Koshizuka

A new detection scheme for multiuser multiple-input multiple-output (MIMO) systems is analytically presented. In particular, the transmitting users are being categorized in two distinct priority service groups, while they communicate…

Information Theory · Computer Science 2017-04-03 Nikolaos I. Miridakis , Theodoros A. Tsiftsis , Dimitrios D. Vergados , Angelos Michalas

This paper explores the benefit of using some of the machine learning techniques and Big data optimization tools in approximating maximum likelihood (ML) detection of Large Scale MIMO systems. First, large scale MIMO detection problem is…

Information Theory · Computer Science 2018-01-17 Anis Elgabli , Ali Elghariani , Abubakr O. Al-Abbasi , Mark Bell

In this paper, we propose a data-driven deep learning (DL) approach to jointly design the pilot signals and channel estimator for wideband massive multiple-input multiple-output (MIMO) systems. By exploiting the angular-domain…

Information Theory · Computer Science 2020-03-13 Xisuo Ma , Zhen Gao

This paper introduces a unified deep neural network (DNN)-based precoder for two-user multiple-input multiple-output (MIMO) networks with five objectives: data transmission, energy harvesting, simultaneous wireless information and power…

Machine Learning · Computer Science 2020-07-07 Xinliang Zhang , Mojtaba Vaezi

Large scale multiple-input multiple-output (MIMO) or Massive MIMO is one of the pivotal technologies for future wireless networks. However, the performance of massive MIMO systems heavily relies on accurate channel estimation. While the…

Signal Processing · Electrical Eng. & Systems 2020-02-25 Parna Sabeti , Arman Farhang , Irene Macaluso , Nicola Marchetti , Linda Doyle

At the dawn of the next-generation wireless systems and networks, massive multiple-input multiple-output (MIMO) has been envisioned as one of the enabling technologies. With the continued success of being applied in the 5G and beyond, the…