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相关论文: A Rate-Splitting Strategy for Max-Min Fair Multigr…

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The spectral efficiency (SE) of Massive MIMO (MaMIMO) systems is affected by low quality channel estimates. Rate-Splitting (RS) has recently gained some interest in multiuser multiple antenna systems as an effective means to mitigate the…

信息论 · 计算机科学 2020-03-17 Christo Kurisummoottil Thomas , Bruno Clerckx , Luca Sanguinetti , Dirk Slock

A multi-antenna transmitter that conveys independent sets of common data to distinct groups of users is herein considered, a model known as physical layer multicasting to multiple co-channel groups. In the recently proposed context of…

信息论 · 计算机科学 2016-11-15 Dimitrios Christopoulos , Symeon Chatzinotas , Bjorn Ottersten

Multi-group multicast (MGM) is an increasingly important form of multi-user wireless communications with several potential applications, such as video streaming, federated learning, safety-critical vehicular communications, etc.…

信号处理 · 电气工程与系统科学 2024-09-27 Xinze Lyu , Sundar Aditya , Bruno Clerckx

Rate-splitting multiple access (RSMA) has been recognized as a promising physical layer strategy for 6G. Motivated by ever increasing popularity of cache-enabled content delivery in wireless communications, this paper proposes an innovative…

信息论 · 计算机科学 2022-04-26 Robert-Jeron Reifert , Alaa Alameer Ahmad , Yijie Mao , Aydin Sezgin , Bruno Clerckx

In a multi-user multi-antenna Simultaneous Wireless Information and Power Transfer (SWIPT) network, the transmitter sends information to the Information Receivers (IRs) and energy to Energy Receivers (ERs) concurrently. A conventional…

信息论 · 计算机科学 2019-07-04 Yijie Mao , Bruno Clerckx , Victor O. K. Li

Multiuser multiple-input multiple-output wireless communications systems have the potential to satisfy the performance requirements of fifth-generation and future wireless networks. In this context, cell-free (CF) systems, where the…

信息论 · 计算机科学 2021-12-06 André Flores , Rodrigo C. de Lamare , Kumar Vijay Mishra

In this paper, the problem of maximizing the sum of data rates of all users in an intelligent reflecting surface (IRS)-assisted millimeter wave multicast multiple-input multiple-output communication system is studied. In the considered…

信号处理 · 电气工程与系统科学 2022-08-16 Songling Zhang , Zhaohui Yang , Mingzhe Chen , Danpu Liu , Kai-Kit Wong , H. Vincent Poor

In a multiuser MIMO broadcast channel, the rate performance is affected by the multiuser interference when the Channel State Information at the Transmitter (CSIT) is imperfect. To tackle the detrimental effect of the multiuser interference,…

信息论 · 计算机科学 2016-11-17 Mingbo Dai , Bruno Clerckx , David Gesbert , Giuseppe Caire

This work encompasses Rate-Splitting (RS), providing significant benefits in multi-user settings in the context of huge degrees of freedom promised by massive Multiple-Input Multiple-Output (MIMO). However, the requirement of massive MIMO…

信息论 · 计算机科学 2017-02-07 Anastasios Papazafeiropoulos , Bruno Clerckx , Tharm Ratnarajah

In this paper, we propose an optimization framework for rate splitting (RS) techniques in multiple-input multiple-output (MIMO) reconfigurable intelligent surface (RIS)-assisted systems, possibly with I/Q imbalance (IQI). This framework can…

信息论 · 计算机科学 2022-11-16 Mohammad Soleymani , Ignacio Santamaria , Eduard Jorswieck

A multi-antenna transmitter that conveys independent sets of common data to distinct groups of users is considered. This model is known as physical layer multicasting to multiple co-channel groups. In this context, the practical constraint…

信息论 · 计算机科学 2015-06-22 Dimitrios Christopoulos , Symeon Chatzinotas , Bjorn Ottersten

In this paper we aim to solve the multiuser multi-input multi-output (MIMO) downlink beamforming problem where one multi-antenna base station broadcasts data to many users. Each user is assigned multiple data streams and has multiple…

信息论 · 计算机科学 2015-05-18 Yu-Han Yang , Shih-Chun Lin , Hsuan-Jung Su

In this paper, we aim at maximizing the weighted sum-rate (WSR) of rate splitting multiple access (RSMA) in multi-user multi-antenna transmission networks through the joint optimization of rate allocation and beamforming. Unlike…

信息论 · 计算机科学 2023-12-27 Tianyu Fang , Yijie Mao

We present the first investigation into the transmission of multi-stream information from a base station equipped with reconfigurable holographic surfaces (RHS) to multiple users with the aid of multi-antenna arrays. Building upon this, we…

信息论 · 计算机科学 2025-09-23 W. Zhu , H. D. Tuan , E. Dutkiewicz , H. V. Poor , L. Hanzo

In this paper, we take all users' secrecy rate requirements into consideration and propose a rate-splitting multiple access (RSMA)-based secure beamforming approach to maximize the weighted sum-rate (WSR), where multi-user interference…

信息论 · 计算机科学 2023-08-25 Huiyun Xia , Yijie Mao , Xiaokang Zhou , Bruno Clerckx , Shuai Han , Cheng Li

This paper studies the interference broadcast channel comprising multiple multi-antenna Base Stations (BSs), each controlling a beyond diagonal Reconfigurable Intelligent Surface (RIS) and serving multiple single-antenna users. Wideband…

信息论 · 计算机科学 2024-09-09 Konstantinos D. Katsanos , Paolo Di Lorenzo , George C. Alexandropoulos

This letter introduces a novel resource allocation algorithm for achieving max-min fairness (MMF) in a rate-splitting multiple access (RSMA) empowered multi-antenna broadcast channel. Specifically, we derive the closed-form solution for the…

信息论 · 计算机科学 2023-10-31 Facheng Luo , Yijie Mao

Immersive video, such as virtual reality (VR) and multi-view videos, is growing in popularity. Its wireless streaming is an instance of general multicast, extending conventional unicast and multicast, whose effective design is still open.…

信息论 · 计算机科学 2022-01-21 Lingzhi Zhao , Ying Cui , Sheng Yang , Shlomo Shamai , Yunbo Han , Yunfei Zhang

We consider a downlink multiuser MISO system with bounded errors in the Channel State Information at the Transmitter (CSIT). We first look at the robust design problem of achieving max-min fairness amongst users (in the worst-case sense).…

信息论 · 计算机科学 2016-11-03 Hamdi Joudeh , Bruno Clerckx

Rate-splitting (RS) has recently been recognized as a promising physical-layer technique for multi-antenna broadcast channels (BC). Due to its ability to partially decode the interference and partially treat the remaining interference as…

信息论 · 计算机科学 2021-01-28 Gui Zhou , Yijie Mao , Bruno Clerckx