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相关论文: A Low-Complexity Transceiver Design in Sparse Mult…

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This paper considers a multiple-input multiple-output (MIMO) integrated sensing and communication (ISAC) system, where a multi-antenna base station (BS) with transceiver hybrid analog-digital arrays transmits dual-functional signals to…

信息论 · 计算机科学 2026-02-03 Yizhuo Wang , Shuowen Zhang

Large-scale multiple-input multiple-output (MIMO) holds great promise for the fifth-generation (5G) and future communication systems. In near-field scenarios, the spherical wavefront model is commonly utilized to accurately depict the…

信号处理 · 电气工程与系统科学 2024-10-14 Hao Jiang , Wangqi Shi , Xiao Chen , Qiuming Zhu , Zhen Chen

In this work, we present a novel robust distributed beamforming (RDB) approach to mitigate the effects of channel errors on wireless networks equipped with relays based on the exploitation of the cross-correlation between the received data…

信号处理 · 电气工程与系统科学 2017-12-05 H. Ruan , R. C. de Lamare

Fully digital massive MIMO systems with large numbers (1000+) of antennas offer dramatically increased capacity gains from spatial multiplexing and beamforming. Designing digital receivers that can scale to these array dimensions presents…

信号处理 · 电气工程与系统科学 2026-04-23 Ali Rasteh , Amirreza Kiani , Marco Mezzavilla , Sundeep Rangan

Integrated sensing and communication (ISAC) is widely recognized as a pivotal enabling technique for the advancement of future wireless networks. This paper aims to efficiently exploit the inherent sparsity of echo signals for the…

信息论 · 计算机科学 2024-01-01 Zichao Xiao , Rang Liu , Ming Li , Wei Wang , Qian Liu

In this paper, for a single-input multiple-output (SIMO) system aided by a passive reconfigurable intelligent surface (RIS), the joint transmission accomplished by the single transmit antenna and the RIS with multiple controllable…

信息论 · 计算机科学 2023-11-27 Ru-Han Chen , Jing Zhou , Yonggang Zhu , Kai Zhang

In this letter, we consider the multiple-input multiple-output (MIMO) radar waveform design in the presence of signal-dependent clutters and additive white Gaussian noise. By imposing the constant modulus constraint (CMC) and waveform…

信号处理 · 电气工程与系统科学 2018-05-11 Chenglin Ren , Fan liu , Longfei Zhou , Jianming Zhou , Wu Luo , Shengzhi Yang

In this paper, adaptive hybrid beamforming methods are proposed for millimeter-wave range massive multiple-input-multiple-output (MIMO) systems considering single carrier wideband transmission in uplink data mode. A statistical analog…

信息论 · 计算机科学 2020-07-02 Anil Kurt , Gokhan Muzaffer Guvensen

Molecular Communication via Diffusion (MCvD) is a prominent small-scale technology, which roots from the nature. With solid analytical foundations on channel response and advanced modulation techniques, molecular single-input-single-output…

信息论 · 计算机科学 2023-12-05 Gokberk Yaylali , Bayram Cevdet Akdeniz , Tuna Tugcu , Ali Emre Pusane

This paper investigates the transmit beamforming design for multiple-input multiple-output systems to support both multi-target localization and multi-user communications. To enhance the target localization performance, we derive the…

信号处理 · 电气工程与系统科学 2025-01-14 Bo Tang , Da Li , Wenjun Wu , Astha Saini , Prabhu Babu , Petre Stoica

We address the modeling and optimal beamforming (BF) design for multiple-input multiple-output (MIMO) continuous aperture array (CAPA) systems operating over doubly-dispersive (DD) channels. First, a comprehensive DD continuous MIMO (DDC…

信号处理 · 电气工程与系统科学 2025-09-05 Kuranage Roche Rayan Ranasinghe , Zhaolin Wang , Hyeon Seok Rou , Giuseppe Thadeu Freitas de Abreu , Emil Björnson

To improve signal-to-interference ratio (SIR) and make better use of file diversity provided by random caching, we consider two types of linear receivers, i.e., maximal ratio combining (MRC) receiver and partial zero forcing (PZF) receiver,…

信息论 · 计算机科学 2018-01-10 Dongdong Jiang , Ying Cui

Future wireless networks are envisioned to employ multiple-input multiple-output (MIMO) transmissions with large array sizes, and therefore, the adoption of complexity-scalable transceiver becomes important. In this paper, we propose a…

信号处理 · 电气工程与系统科学 2025-04-15 Jie Yang , Wanchen Hu , Yi Jiang , Shuangyang Li , Xin Wang , Derrick Wing Kwan Ng , Giuseppe Caire

We propose a downlink beamforming scheme that combines spatial division and orthogonal space-time block coding (OSTBC) in multi-user massive MIMO systems. The beamformer is divided into two parts: a pre-beamforming matrix to separate the…

信息论 · 计算机科学 2018-09-12 Ke-Wen Huang , Hui-Ming Wang , Jia Hou , Shi Jin

Recently proposed multiple input multiple output radars based on matrix completion (MIMO-MC) employ sparse sampling to reduce the amount of data that need to be forwarded to the radar fusion center, and as such enable savings in…

信息论 · 计算机科学 2016-08-24 Bo Li , Athina P. Petropulu , Wade Trappe

This paper studies transmit beamforming design in an integrated sensing and communication (ISAC) system, where a base station sends symbols to perform downlink multi-user communication and sense an extended target simultaneously. We first…

信息论 · 计算机科学 2023-12-19 Yiqiu Wang , Meixia Tao , Shu Sun

This paper investigates the sparse channel estimation for holographic multiple-input multiple-output (HMIMO) systems. Given that the wavenumber-domain representation is based on a series of Fourier harmonics that are in essence a series of…

信号处理 · 电气工程与系统科学 2024-06-14 Yuqing Guo , Yuanbin Chen , Ying Wang

Wideband communication is often expected to deal with a very wide spectrum, which in many environments of interest includes strong interferers. Thus receivers for the wideband communication systems often need to mitigate interferers to…

信息论 · 计算机科学 2020-06-04 Dian Mo , Marco F. Duarte

We propose regularized approximate message passing (RAMP), a low-complexity algorithm for discrete signal detection in overloaded multiple-input multiple-output (MIMO) systems where the number of transmit antennas exceeds the number of…

This paper considers the massive MIMO unsourced random access problem in a quasi-static Rayleigh fading setting. The proposed coding scheme is based on a concatenation of a "conventional" channel code (such as, e.g., LDPC) serving as an…

信号处理 · 电气工程与系统科学 2023-05-01 Patrick Agostini , Zoran Utkovski , Slawomir Stanczak