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There has been growing interest in implementing massive MIMO systems by one-bit analog-to-digital converters (ADCs), which have the benefit of reducing the power consumption and hardware complexity. One-bit MIMO detection arises in such a…

信息论 · 计算机科学 2023-07-04 Cheng-Yang Yu , Mingjie Shao , Wei-Kun Chen , Ya-Feng Liu , Wing-Kin Ma

We propose a relax-and-round approach combined with a greedy search strategy for performing complex lattice basis reduction. Taking an optimization perspective, we introduce a relaxed version of the problem that, while still nonconvex, has…

信号处理 · 电气工程与系统科学 2018-08-16 Marius Arvinte , Ahmed H. Tewfik

Blind algorithms for multiple-input multiple-output (MIMO) signals interception have recently received considerable attention because of their important applications in modern civil and military communication fields. One key step in the…

信息论 · 计算机科学 2017-03-07 Mohammad Rida Bahloul , Mohd Zuki Yusoff , Abdel-Haleem Abdel-Aty , M Naufal M Saad

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…

信息论 · 计算机科学 2015-06-19 Michael Wu , Bei Yin , Guohui Wang , Chris Dick , Joseph R. Cavallaro , Christoph Studer

Multiple-input multiple-output (MIMO) systems have been widely acclaimed in order to provide high data rates. Recently Lattice Reduction (LR) aided detectors have been proposed to achieve near Maximum Likelihood (ML) performance with low…

信息论 · 计算机科学 2016-02-22 Mehnaz Rahman , Gwan S. Choi

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…

信息论 · 计算机科学 2008-04-08 K. Vishnu Vardhan , Saif K. Mohammed , A. Chockalingam , B. Sundar Rajan

Incorporating deep learning (DL) into multiple-input multiple-output (MIMO) detection has been deemed as a promising technique for future wireless communications. However, most DL-based detection algorithms are lack of theoretical…

信号处理 · 电气工程与系统科学 2021-05-12 Qiang Hu , Feifei Gao , Hao Zhang , Geoffrey Y. Li , Zongben Xu

In this paper, we consider the use of deep neural networks in the context of Multiple-Input-Multiple-Output (MIMO) detection. We give a brief introduction to deep learning and propose a modern neural network architecture suitable for this…

机器学习 · 统计学 2017-06-06 Neev Samuel , Tzvi Diskin , Ami Wiesel

The second generation (2G) cellular networks are the current workhorse for machine-to-machine (M2M) communications. Diversity in 2G devices can be present both in form of multiple receive branches and blind repetitions. In presence of…

信息论 · 计算机科学 2015-11-25 Sha Hu , Harald Kroll , Qiuting Huang , Fredrik Rusek

The credit on {\it reduction theory} goes back to the work of Lagrange, Gauss, Hermite, Korkin, Zolotarev, and Minkowski. Modern reduction theory is voluminous and includes the work of A. Lenstra, H. Lenstra and L. Lovasz who created the…

计算几何 · 计算机科学 2017-02-14 Bal K. Khadka , Spyros M. Magliveras

In this work, we consider the use of model-driven deep learning techniques for massive multiple-input multiple-output (MIMO) detection. Compared with conventional MIMO systems, massive MIMO promises improved spectral efficiency, coverage…

信号处理 · 电气工程与系统科学 2020-12-30 Yi Wei , Ming-Min Zhao , Mingyi Hong , Min-jian Zhao , Ming Lei

Linear detectors such as zero forcing (ZF) or minimum mean square error (MMSE) are imperative for large/massive MIMO systems for both the downlink and uplink scenarios. However these linear detectors require matrix inversion which is…

信息论 · 计算机科学 2016-11-15 Vipul Gupta , Abhay Kumar Sah , A. K. Chaturvedi

Optimal data detection in massive multiple-input multiple-output (MIMO) systems requires prohibitive computational complexity. A variety of detection algorithms have been proposed in the literature, offering different trade-offs between…

信号处理 · 电气工程与系统科学 2022-05-25 Duy H. N. Nguyen , Italo Atzeni , Antti Tölli , A. Lee Swindlehurst

In this paper, we propose to dynamically select a MIMO detector using neural network for each resource element (RE) in the transport block of 5G NR/LTE communication system. The objective is to minimize the computational complexity of MIMO…

信号处理 · 电气工程与系统科学 2019-10-15 Shailesh Chaudhari , HyukJoon Kwon , Kee-Bong Song

The multiple-input multiple-output (MIMO) detection problem, a fundamental problem in modern digital communications, is to detect a vector of transmitted symbols from the noisy outputs of a fading MIMO channel. The maximum likelihood…

最优化与控制 · 数学 2021-02-10 Ruichen Jiang , Ya-Feng Liu , Chenglong Bao , Bo Jiang

Low complexity joint estimation of synchronization impairments and channel in a single-user MIMO-OFDM system is presented in this letter. Based on a system model that takes into account the effects of synchronization impairments such as…

信息论 · 计算机科学 2013-04-30 Renu Jose , Sooraj K. Ambat , K. V. S. Hari

Multiple Input Multiple Output (MIMO) systems have recently emerged as a key technology in wireless communication systems for increasing both data rates and system performance. There are many schemes that can be applied to MIMO systems such…

网络与互联网体系结构 · 计算机科学 2010-02-23 Nirmalendu Bikas Sinha , S. Chakraborty , P. K. Sutradhar , R. Bera , M. Mitra

In this paper, we present a low-complexity algorithm for detection in high-rate, non-orthogonal space-time block coded (STBC) large-MIMO systems that achieve high spectral efficiencies of the order of tens of bps/Hz. We also present a…

信息论 · 计算机科学 2015-05-13 Saif K. Mohammed , Ahmed Zaki , A. Chockalingam , B. Sundar Rajan

In this paper, the asymptotic performance of the lattice sequential decoder for LAttice Space-Time (LAST) coded MIMO channel is analyzed. We determine the rates achievable by lattice coding and sequential decoding applied to such a channel.…

信息论 · 计算机科学 2015-03-17 Walid Abediseid , Mohamed Oussama Damen

Massive MIMO systems have made significant progress in increasing spectral and energy efficiency over traditional MIMO systems by exploiting large antenna arrays. In this paper we consider the joint maximum likelihood (ML) channel…

信息论 · 计算机科学 2014-11-26 Haider Ali Jasim Alshamary , Tareq Al-Naffouri , Alam Zaib , Weiyu Xu