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相关论文: Modulation Design and Optimization for RIS-Assiste…

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In reconfigurable intelligent surface (RIS)-assisted symbiotic radio (SR), an RIS is exploited to assist the primary system and to simultaneously operate as a secondary transmitter by modulating its own information over the incident primary…

信息论 · 计算机科学 2024-04-29 Hu Zhou , Ying-Chang Liang , Chau Yuen

This paper studies the reconfigurable intelligent surface (RIS)-assisted symbiotic radio (SR) system, where an RIS acts as a secondary transmitter to transmit its information by leveraging the primary signal as its RF carrier and…

信息论 · 计算机科学 2023-11-07 Hu Zhou , Qianqian Zhang , Ying-Chang Liang , Yiyang Pei

In this paper, a novel reconfigurable intelligent surface (RIS)-assisted multiple-input multiple-output (MIMO) symbiotic radio (SR) system is proposed, in which an RIS, operating as a secondary transmitter (STx), sends messages to a…

信号处理 · 电气工程与系统科学 2021-03-31 Qianqian Zhang , Ying-Chang Liang , H. Vincent Poor

Reconfigurable intelligent surfaces (RISs) are gaining traction for their ability to reshape wireless environments with low energy consumption. However, prior studies primarily explore single-RIS deployments with static or semi-static…

信息论 · 计算机科学 2025-11-25 Ferhat Bayar , Haci Ilhan , Erdogan Aydin

This paper investigates multiuser multi-input single-output downlink symbiotic radio communication systems assisted by an intelligent reflecting surface (IRS). Different from existing methods ideally assuming the secondary user (SU) can…

信息论 · 计算机科学 2021-10-22 Shaokang Hu , Chang Liu , Zhiqiang Wei , Yuanxin Cai , Derrick Wing Kwan Ng , Jinhong Yuan

This paper studies a reconfigurable intelligent surface (RIS)-enhanced decoupled symbiotic radio (SR) system in which a primary transmitter delivers common data to multiple primary receivers (PRs), while a RIS-based backscatter device sends…

信号处理 · 电气工程与系统科学 2026-01-21 Shu Cai , Ya-Feng Liu , Jun Zhan , Qi Zhang

This article presents a novel perspective to model and simulate reconfigurable intelligent surface (RIS)-assisted communication systems. Traditional methods in antenna design often rely on array method to simulate, whereas communication…

应用物理 · 物理学 2025-01-28 Xiaocun Zong , Fan Yang , Zhijun Zhang , Shenheng Xu , Maokun Li

This paper studies a symbiotic system in which a reconfigurable intelligent surface (RIS) assists a radar transmitter while conveying information to a reader via backscattering. The RIS is partitioned into subarrays that redirect the radar…

信号处理 · 电气工程与系统科学 2026-05-05 Mehri Nikzad , Luca Venturino , Emanuele Grossi , Xiaodong Wang

Reconfigurable intelligent surface (RIS) provides a promising way to build programmable wireless transmission environments. Owing to the massive number of controllable reflecting elements on the surface, RIS is capable of providing…

信息论 · 计算机科学 2022-10-03 Xiaoyan Ma , Yuguang Fang , Haixia Zhang , Shuaishuai Guo , Dongfeng Yuan

Reconfigurable intelligent surface (RIS) has entered the public consciousness as a promising technology for enhancing the performance of future wireless communication systems by dynamically constructing the wireless channels. In this…

信息论 · 计算机科学 2023-03-02 Pingping Zhang , Shiqi Gong , Shaodan Ma

Reconfigurable intelligent surface (RIS) refers to a signal reflection surface containing a large number of low-cost passive reflecting elements. RIS can improve the performance of radar and communication systems by dynamically modulating…

信号处理 · 电气工程与系统科学 2023-06-16 Da Li , Bo Tang , Xuyang Wang , Wenjun Wu , Lei Xue

Reconfigurable intelligent surface (RIS)-assisted communication is a key enabling technology for next-generation wireless communication networks, allowing for the reshaping of wireless channels without requiring traditional radio frequency…

信号处理 · 电气工程与系统科学 2025-11-18 Recep Vural , Aymen Khaleel , Ertugrul Basar

New reconfigurable intelligent surface (RIS) based amplitude and phase modulation schemes are proposed as an evolution how the phase-only modulation schemes available in the literature. Explicitly, both the amplitude-phase shift keying…

This paper introduces a novel approach of utilizing the reconfigurable intelligent surface (RIS) for joint data modulation and signal beamforming in a multi-user downlink cellular network by leveraging the idea of backscatter communication.…

信息论 · 计算机科学 2021-08-25 Haseeb Ur Rehman , Faouzi Bellili , Amine Mezghani , Ekram Hossain

In this paper, we analyze the performance of one- and two-sided amplitude shift keying (ASK) modulations in single-input single-output wireless communication aided by a reconfigurable intelligent surface (RIS). Two scenarios are considered…

信号处理 · 电气工程与系统科学 2024-10-03 Srijika Mukhopadhyay , Badri Ramanjaneya Reddy , Soumya P. Dash , George C. Alexandropoulos , Sonia Aissa

Spatial modulation (SM) transmits additional information bits by the selection of antennas. Generalized spatial modulation (GSM), as an advanced type of SM, can be divided into diversity and multiplexing (MUX) schemes according to the…

信息论 · 计算机科学 2024-04-16 Xinghao Guo , Yin Xu , Hanjiang Hong , De Mi , Ruiqi Liu , Dazhi He , Wenjun Zhang , Yi-yan Wu

Reconfigurable intelligent surface (RIS) has emerged as a promising technique for future wireless communication networks. How to reliably transmit information in a RIS-based communication system arouses much interest. This paper proposes a…

信号处理 · 电气工程与系统科学 2020-05-15 Shuaishuai Guo , Shuheng Lv , Haixia Zhang , Jia Ye , Peng Zhang

In next-generation wireless networks, reconfigurable intelligent surface (RIS)-assisted multiple-input multiple-output (MIMO) systems are foreseeable to support a large number of antennas at the transceiver as well as a large number of…

信息论 · 计算机科学 2023-01-24 Chang Cai , Xiaojun Yuan , Ying-Jun Angela Zhang

In this paper, we are interested in a reconfigurable intelligent surface (RIS)-assisted symbiotic radio (SR) system, where an RIS assists a primary transmission by passive beamforming and simultaneously acts as an information transmitter by…

信息论 · 计算机科学 2024-04-29 Qianqian Zhang , Hu Zhou , Ying-Chang Liang , Sumei Sun , Wei Zhang , H. Vincent Poor

Reconfigurable intelligent surface (RIS) has been deemed as one of potential components of future wireless communication systems because it can adaptively manipulate the wireless propagation environment with low-cost passive devices.…

信号处理 · 电气工程与系统科学 2024-10-28 Yanan Ma , Ming Li , Yang Liu , Qingqing Wu , Qian Liu
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