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Rate-Splitting Multiple Access (RSMA) has emerged as a potent and reliable multiple access and interference management technique in wireless communications. While downlink Multiple-Input Multiple-Ouput (MIMO) RSMA has been widely…

信息论 · 计算机科学 2024-06-04 Jiawei Xu , Bruno Clerckx

In this paper, we develop a hybrid multiple access (MA) protocol for an intelligent reflecting surface (IRS) aided uplink transmission network by incorporating the IRS-aided time-division MA (I-TDMA) protocol and the IRS-aided…

信息论 · 计算机科学 2023-06-27 Piao Zeng , Guangji Chen , Qingqing Wu , Deli Qiao , Abbas Jamalipour

In order to efficiently cope with the high throughput, reliability, heterogeneity of Quality-of-Service (QoS), and massive connectivity requirements of future 6G multi-antenna wireless networks, multiple access and multiuser communication…

信息论 · 计算机科学 2020-07-15 Onur Dizdar , Yijie Mao , Wei Han , Bruno Clerckx

Reconfigurable intelligent surface (RIS) can significantly enhance the service coverage of Tera-Hertz massive multiple-input multiple-output (MIMO) communication systems. However, obtaining accurate high-dimensional channel state…

信号处理 · 电气工程与系统科学 2022-12-06 Minghui Wu , Zhen Gao , Yang Huang , Zhenyu Xiao , Derrick Wing Kwan Ng , Zhaoyang Zhang

This letter is the second part of a three-part tutorial focusing on rate-splitting multiple access (RSMA) for 6G. As Part II of the tutorial, this letter addresses the interplay between RSMA and integrated radar sensing and communications…

信息论 · 计算机科学 2022-05-06 Longfei Yin , Yijie Mao , Onur Dizdar , Bruno Clerckx

For decades, cellular networks have greatly evolved to support high data rates over reliable communication. Hybrid automatic-repeat-request (ARQ) is one of the techniques to make such improvement possible. However, this advancement is…

信息论 · 计算机科学 2012-09-18 Hyukjoon Kwon , Jungwon Lee , Inyup Kang

This paper investigates the problem of resource allocation for joint communication and radar sensing system on rate-splitting multiple access (RSMA) based unmanned aerial vehicle (UAV) system. UAV simultaneously communicates with multiple…

信息论 · 计算机科学 2021-07-13 Yuwei Li , Wanli Ni , Hui Tian , Meihui Hua , Shaoshuai Fan

Rate-splitting multiple access (RSMA) has been recognized as a promising and powerful multiple access (MA) scheme, non-orthogonal transmission framework and interference management strategy for 6G. Inspired by the appealing spectral…

信息论 · 计算机科学 2022-03-11 Tianyu Fang , Yijie Mao , Shanpu Shen , Zhencai Zhu , Bruno Clerckx

In this paper, we propose a rate-splitting multiple access (RSMA) scheme for uplink wireless communication systems with intelligent reflecting surface (IRS) aided. In the considered model, IRS is adopted to overcome power attenuation caused…

信息论 · 计算机科学 2023-09-07 Shanshan Zhang , Wen Chen

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

Rate splitting multiple access (RSMA) and reconfigurable intelligent surface (RIS) are two prospective technologies for improving the spectral and energy efficiency in future wireless communication systems. In this work, we investigate a…

信号处理 · 电气工程与系统科学 2024-10-17 Sadaf Syed , Michael Joham , Wolfgang Utschick

In this letter, we study a rate-splitting multiple access (RSMA)-based intelligent reflecting surface (IRS)-aided multi-user multiple-input single-output (MISO) secure communication system with a potential eavesdropper (Eve). Aiming to…

信息论 · 计算机科学 2022-11-28 Ying Gao , Qingqing Wu , Wen Chen , Derrick Wing Kwan Ng

In this paper, we initiate the study of rate-splitting multiple access (RSMA) for a mono-static integrated sensing and communication (ISAC) system, where the dual-functional base station (BS) simultaneously communicates with multiple users…

信息论 · 计算机科学 2024-03-05 Kexin Chen , Yijie Mao , Longfei Yin , Chengcheng Xu , Yang Huang

We consider the problem of resource allocation in a wireless cellular network, in which nodes have both open and private information to be transmitted to the base station over block fading uplink channels. We develop a cross-layer solution,…

信息论 · 计算机科学 2012-02-07 Yunus Sarikaya , Ozgur Ercetin , Emre C. Koksal

Due to the low power consumption and low cost nature of transmissive reconfigurable intelligent surface (RIS),in this paper, we propose a downlink multi-user rate-splitting multiple access (RSMA) architecture based on the transmissive RIS…

信息论 · 计算机科学 2023-07-25 Bojiang Li , Wen Chen , Zhendong Li , Qingqing Wu , Nan Cheng , Changle Li , Linglong Dai

Large communication networks, e.g. Internet of Things (IoT), are known to be vulnerable to co-channel interference. One possibility to address this issue is the use of orthogonal multiple access (OMA) techniques. However, due to a…

信息论 · 计算机科学 2020-03-20 Steven Kisseleff , Symeon Chatzinotas , Björn Ottersten

Future wireless networks, in particular, 5G and beyond, are anticipated to deploy dense Low Earth Orbit (LEO) satellites to provide global coverage and broadband connectivity. However, the limited frequency band and the coexistence of…

信息论 · 计算机科学 2024-05-03 Yunnuo Xu , Longfei Yin , Yijie Mao , Wonjae Shin , Bruno Clerckx

Rate Splitting Multiple Access (RSMA) is a code division multi-access technique which can achieve any base in the multi-access capacity polymatroid without high coding complexity or synchronization among the transmitting users. In this…

信息论 · 计算机科学 2016-08-15 Xiaomao Mao , Huifang Chen , Peiliang Qiu

In this paper, we consider the precoder design for an underloaded or critically loaded downlink multi-user multiple-input multiple-output (MIMO) communication system. We propose novel precoding and decoding schemes which enhance system…

信息论 · 计算机科学 2022-05-09 Aravindh Krishnamoorthy , Robert Schober

To ensure reliable communication in randomly varying and error-prone channels, wireless systems use adaptive modulation and coding (AMC) as well as hybrid ARQ (HARQ). In order to elucidate their compatibility and interaction, we compare the…