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相关论文: Practical Interference Exploitation Precoding with…

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This paper considers symbol-level precoding (SLP) for multiuser multi-input single-output (MISO) downlink transmission with the aid of intelligent reflecting surface (IRS). Specifically, by assuming one-bit transmitted signals at the base…

信号处理 · 电气工程与系统科学 2020-12-02 Silei Wang , Qiang Li , Mingjie Shao

This paper tackles the problem of the simultaneous interference among the multiple users in the downlink of a wireless multiantenna system. In order to exploit the multiuser interference and transform it into useful power at the receiver…

信号处理 · 电气工程与系统科学 2020-11-10 Maha Alodeh , Björn Ottersten

In this paper, we propose a symbol-level precoding (SLP) design that aims to minimize the weighted mean square error between the received signal and the constellation point located in the constructive interference region (CIR). Unlike most…

信息论 · 计算机科学 2022-10-04 Yafei Wang , Wenjin Wang , Li You , Christos G. Tsinos , Shi Jin

This paper proposes symbol level precoding in the downlink of a MISO cognitive system. The new scheme tries to jointly utilize the data and channel information to design a precoding that minimizes the transmit power at a cognitive base…

信息论 · 计算机科学 2015-05-11 Maha Alodeh , Symeon Chatzinotas , Bjorn Ottersten

This paper investigates the robust design of symbol-level precoding (SLP) for multiuser multiple-input multiple-output (MIMO) downlink transmission with imperfect channel state information (CSI) caused by channel aging. By utilizing the a…

信号处理 · 电气工程与系统科学 2024-02-08 Yafei Wang , Xinping Yi , Hongwei Hou , Wenjin Wang , Shi Jin

In this paper, we study the interference exploitation precoding for the scenario where the number of streams simultaneously transmitted by the base station (BS) is larger than that of transmit antennas at the BS, and derive the optimal…

信号处理 · 电气工程与系统科学 2019-01-15 Ang Li , Christos Masouros , Yonghui Li , Branka Vucetic

In this paper, we investigate the downlink transmission of a multiuser multiple-input single-output (MISO) channel under a symbol-level precoding (SLP) scheme, having imperfect channel knowledge at the transmitter. In defining the SLP…

信号处理 · 电气工程与系统科学 2018-08-14 Alireza Haqiqatnejad , Farbod Kayhan , Bjorn Ottersten

Symbol-level precoding is a new paradigm for multiuser downlink systems which aims at creating constructive interference among the transmitted data streams. This can be enabled by designing the precoded signal of the multiantenna…

信息论 · 计算机科学 2017-04-12 Maha Alodeh , Symeon Chatzinotas , Bjorn Ottersten

Consider an integrated sensing and communication (ISAC) system where a base station (BS) employs a full-duplex radio to simultaneously serve multiple users and detect a target. The detection performance of the BS may be compromised by…

信号处理 · 电气工程与系统科学 2024-09-16 Shu Cai , Zihao Chen , Ya-Feng Liu , Jun Zhang

In this paper, we focus on 1-bit precoding for large-scale antenna systems in the downlink based on the concept of constructive interference (CI). By formulating the optimization problem that aims to maximize the CI effect subject to the…

信号处理 · 电气工程与系统科学 2020-02-14 Ang Li , Fan Liu , Christos Masouros , Yonghui Li , Branka Vucetic

We propose a parallel constructive interference (CI)-based symbol-level precoding (SLP) approach for massive connectivity in the downlink of multiuser multiple-input single-output (MU-MISO) systems, with only local channel state information…

信息论 · 计算机科学 2022-09-27 Junwen Yang , Ang Li , Xuewen Liao , Christos Masouros

This paper investigates symbol-level precoding (SLP) for high-order quadrature amplitude modulation (QAM) aimed at minimizing the average symbol error rate (SER), leveraging both constructive interference (CI) and noise power to gain…

信号处理 · 电气工程与系统科学 2023-10-12 Yafei Wang , Hongwei Hou , Wenjin Wang , Xinping Yi

This paper investigates the problem of interference among the simultaneous multiuser transmissions in the downlink of multiple antennas systems. Using symbol level precoding, a new approach towards the multiuser interference is discussed…

信息论 · 计算机科学 2015-06-22 Maha Alodeh , Symeon Chatzinotas , Björn Ottersten

This paper focuses on designing robust symbol-level precoding (SLP) in an overlay cognitive radio (CR) network, where the primary and secondary networks transmit signals concurrently. When the primary base station (PBS) shares data and…

信号处理 · 电气工程与系统科学 2023-04-11 Lu Liu , Christos Masouros , A. Lee Swindlehurst

In this letter, we study the optimal solution of the multiuser symbol-level precoding (SLP) for minimization of the total transmit power under given signal-to-interference-plus-noise ratio (SINR) constraints. Adopting the distance…

信号处理 · 电气工程与系统科学 2018-07-30 A. Haqiqatnejad , F. Kayhan , B. Ottersten

This paper considers the performance analysis of constructive interference (CI) precoding technique in multi-user multiple-input multiple-output (MU-MIMO) systems with a finite constellation phase-shift keying (PSK) input alphabet. Firstly,…

信号处理 · 电气工程与系统科学 2019-10-09 Abdelhamid Salem , Christos Masouros

In this paper, we propose a novel symbol-level precoding (SLP) method for a multi-user multi-input multi-output (MU-MIMO) downlink Integrated Sensing and Communications (ISAC) system based on faster-than-Nyquist (FTN) signaling. Our method…

信号处理 · 电气工程与系统科学 2023-04-07 Zihan Liao , Fan Liu

In this paper, we consider the one-bit precoding problem for the multiuser downlink massive multiple-input multiple-output (MIMO) system with phase shift keying (PSK) modulation. We focus on the celebrated constructive interference…

信息论 · 计算机科学 2023-10-11 Zheyu Wu , Bo Jiang , Ya-Feng Liu , Mingjie Shao , Yu-Hong Dai

In this paper, we study closed-form interference-exploitation precoding for multi-level modulations in the downlink of multi-user multiple-input single-output (MU-MISO) systems. We consider two distinct cases: first, for the case where the…

信息论 · 计算机科学 2018-11-09 Ang Li , Christos Masouros , Yonghui Li , Branka Vucetic , A. Lee Swindlehurst

This paper investigates a joint beamforming design in a multiuser multiple-input single-output (MISO) communication network aided with an intelligent reflecting surface (IRS) panel. The symbol-level precoding (SLP) is adopted to enhance the…

信息论 · 计算机科学 2021-09-01 Guangyang Zhang , Chao Shen , Bo Ai , Zhangdui Zhong