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Rate-Splitting Multiple Access (RSMA) for multi-user downlink operates by splitting the message for each user equipment (UE) into a private message and a set of common messages, which are simultaneously transmitted by means of superposition…

Signal Processing · Electrical Eng. & Systems 2022-03-09 Daesung Yu , Seok-Hwan Park , Osvaldo Simeone , Shlomo Shamai

In this letter, we study the resource allocation for a multiuser intelligent reflecting surface (IRS)-aided simultaneous wireless information and power transfer (SWIPT) system. Specifically, a multi-antenna base station (BS) transmits…

Information Theory · Computer Science 2021-03-11 A. Khalili , S. Zargari , Q. Wu , D. W. K. Ng , R. Zhang

The performance of Simultaneous Wireless Information and Power Transfer (SWIPT) is mainly constrained by the received Radio-Frequency (RF) signal strength. To tackle this problem, we introduce an Intelligent Reflecting Surface (IRS) to…

Information Theory · Computer Science 2021-12-06 Yang Zhao , Bruno Clerckx , Zhenyuan Feng

Rate-splitting multiple access (RSMA) is an emerging multiple access technique for multi-antenna networks that splits messages into common and private parts for flexible interference mitigation. Motivated by its robustness and scalability,…

Information Theory · Computer Science 2023-10-03 Juhwan Lee , Jungwoo Lee , Longfei Yin , Wonjae Shin , Bruno Clerckx

Space-Division Multiple Access (SDMA) utilizes linear precoding to separate users in the spatial domain and relies on fully treating any residual multi-user interference as noise. Non-Orthogonal Multiple Access (NOMA) uses linearly precoded…

Information Theory · Computer Science 2018-11-22 Yijie Mao , Bruno Clerckx , Victor O. K. Li

This paper studies an intelligent reflecting surface (IRS)-assisted multiuser multiple-input single-output (MISO) simultaneous wireless information and power transfer (SWIPT) system. In this system, a multi-antenna access point (AP) uses…

Signal Processing · Electrical Eng. & Systems 2019-10-17 Yizheng Tang , Ganggang Ma , Hailiang Xie , Jie Xu , Xiao Han

In this paper, downlink secure transmission in simultaneous information and power transfer (SWIPT) system enabled with massive multiple-input multiple-output (MIMO) is studied. A base station (BS) with a large number of antennas transmits…

Information Theory · Computer Science 2020-08-12 Zahra Goli , S. Mohammad Razavizadeh , Hamed Farhadi , Tommy Svensson

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 interference problem, a Rate-Splitting (RS)…

Information Theory · Computer Science 2016-11-15 Mingbo Dai , Bruno Clerckx , David Gesbert , Giuseppe Caire

In the near future, it is envisioned that cellular networks will have to cope with extensive Internet of Things (IoT) devices. Therefore, a required feature of cellular IoT will be the capability to serve simultaneously a large number of…

Information Theory · Computer Science 2020-08-05 Yijie Mao , Enrico Piovano , Bruno Clerckx

We introduce an energy-efficient downlink rate splitting multiple access (RSMA) scheme, employing a simple matched filter (MF) for precoding. We consider a transmitter equipped with multiple antennas, serving several single-antenna users at…

Information Theory · Computer Science 2024-03-08 Hui Zhao , Dirk Slock

Powering mobiles using microwave \emph{power transfer} (PT) avoids the inconvenience of battery recharging by cables and ensures uninterrupted mobile operation. The integration of PT and \emph{information transfer} (IT) allows wireless PT…

Information Theory · Computer Science 2014-10-07 Rahul Vaze , Jainam Doshi , Kaibin Huang

MIMO processing plays a central part towards the recent increase in spectral and energy efficiencies of wireless networks. MIMO has grown beyond the original point-to-point channel and nowadays refers to a diverse range of centralized and…

Information Theory · Computer Science 2016-11-17 Bruno Clerckx , Hamdi Joudeh , Chenxi Hao , Mingbo Dai , Borzoo Rassouli

This paper considers a broadcast multiple-input multiple-output (MIMO) network with multiple users and simultaneous wireless information and power transfer (SWIPT). In this scenario, it is assumed that some users are able to harvest power…

Signal Processing · Electrical Eng. & Systems 2024-12-04 Javier Rubio , Antonio Pascual-Iserte

This paper develops stream combining techniques for rate-splitting (RS) multiple-antenna systems with multiple users to enhance the common rate. We propose linear combining techniques based on the Min-Max, the maximum ratio and the minimum…

Information Theory · Computer Science 2020-03-10 A. Flores , R. C. de Lamare , B. Clerckx

Cooperative Rate-Splitting (CRS) strategy, relying on linearly precoded rate-splitting at the transmitter and opportunistic transmission of the common message by the relaying user, has recently been shown to outperform typical…

Signal Processing · Electrical Eng. & Systems 2020-08-06 Yijie Mao , Bruno Clerckx , Jian Zhang , Victor O. K. Li , Mohammed Arafah

Rate-Splitting Multiple Access (RSMA) is a robust multiple access scheme for downlink multi-antenna wireless networks. In this work, we investigate a novel application of RSMA for joint communications and jamming with a Multi-Carrier (MC)…

Information Theory · Computer Science 2021-08-13 Onur Dizdar , Bruno Clerckx

This paper studies the simultaneous wireless information and power transfer (SWIPT) in a multiuser wireless system, in which distributed transmitters send independent messages to their respective receivers, and at the same time…

Information Theory · Computer Science 2016-11-18 Seunghyun Lee , Liang Liu , Rui Zhang

This paper studies a multiple-input single-output (MISO) broadcast channel (BC) featuring simultaneous wireless information and power transfer (SWIPT), where a multi-antenna access point (AP) delivers both information and energy via radio…

Information Theory · Computer Science 2015-07-23 Shixin Luo , Jie Xu , Teng Joon Lim , Rui Zhang

Over the past few years, the prevalence of wireless devices has become one of the essential sources of electromagnetic (EM) radiation to the public. Facing with the swift development of wireless communications, people are skeptical about…

Information Theory · Computer Science 2023-04-19 Hanyu Jiang , Li You , Ahmed Elzanaty , Jue Wang , Wenjin Wang , Xiqi Gao , Mohamed-Slim Alouini

This paper considers simultaneous wireless information and power transfer (SWIPT) in a multiple-input single-output (MISO) downlink system consisting of one multi-antenna transmitter, one single-antenna information receiver (IR), multiple…

Information Theory · Computer Science 2016-11-18 Muhammad R. A. Khandaker , Kai-Kit Wong , Yangyang Zhang , Zhongbin Zheng