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Related papers: Coordinated Multicast Beamforming in Multicell Net…

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In this paper, we consider the problem of achieving max-min fairness amongst multiple co-channel multicast groups through transmit beamforming. We explicitly focus on overloaded scenarios in which the number of transmitting antennas is…

Information Theory · Computer Science 2017-07-04 Hamdi Joudeh , Bruno Clerckx

This paper investigates an intelligent reflecting surface (IRS)-aided multi-cell multiple-input single-output (MISO) system with several multi-antenna base stations (BSs) each communicating with a single-antenna user, in which an IRS is…

Signal Processing · Electrical Eng. & Systems 2020-10-26 Hailiang Xie , Jie Xu , Ya-Feng Liu

We study the massive multiple-input multiple-output (MIMO) multicast transmission in cellular networks where each base station (BS) is equipped with a large-scale antenna array and transmits a common message using a single beamformer to…

Information Theory · Computer Science 2016-11-15 Zhengzheng Xiang , Meixia Tao , Xiaodong Wang

To accommodate the explosive wireless traffics, massive multiple-input multiple-output (MIMO) is regarded as one of the key enabling technologies for next-generation communication systems. In massive MIMO cellular networks, coordinated…

Information Theory · Computer Science 2023-03-27 Jungang Ge , Ying-Chang Liang , Liao Zhang , Ruizhe Long , Sumei Sun

In this paper, system design for the multi-input multi-output (MIMO) relay broadcast channel with individual signal-to-interference-plus-noise ratio (SINR) constraints at the mobile stations (MS) is considered. By exploring the structure of…

Information Theory · Computer Science 2011-03-01 Chun-Che Chien , Hsuan-Jung Su , Hsueh-Jyh Li

This paper considers several linear beamformer design paradigms for multiuser time-invariant multiple-input multiple-output interference channels. Notably, interference alignment and sum-rate based algorithms such as the maximum…

Information Theory · Computer Science 2010-11-30 Juho Park , Youngchul Sung , H. Vincent Poor

This paper studies the coordinated beamforming design problem for the multiple-input single-output (MISO) interference channel, assuming only channel distribution information (CDI) at the transmitters. Under a given requirement on the rate…

Information Theory · Computer Science 2016-11-18 Wei-Chiang Li , Tsung-Hui Chang , Che Lin , Chong-Yung Chi

Fifth generation cellular systems support a broad range of services, including mobile broadband, critical and massive Internet of Things and are used in a variety of scenarios. In many of these scenarios, the main challenge is maintaining…

Signal Processing · Electrical Eng. & Systems 2021-02-24 Roberto P. Antonioli , Gabor Fodor , Pablo Soldati , Tarcisio F. Maciel

In this paper, we study the physical layer multicasting to multiple co-channel groups in large-scale antenna systems. The users within each group are interested in a common message and different groups have distinct messages. In particular,…

Information Theory · Computer Science 2017-02-21 Meysam Sadeghi , Luca Sanguinetti , Romain Couillet , Chau Yuen

Multi-cell coordinated beamforming (MCBF), where multiple base stations (BSs) collaborate with each other in the beamforming design for mitigating the inter-cell interference, has been a subject drawing great attention recently. Most MCBF…

Information Theory · Computer Science 2015-10-28 Chao Shen , Tsung-Hui Chang , Kun-Yu Wang , Zhengding Qiu , Chong-Yung Chi

This paper studies the coordinated beamforming (CoBF) design for the multiple-input single-output interference channel, provided that only channel distribution information is known to the transmitters. The problem under consideration is a…

Information Theory · Computer Science 2023-07-19 Wei-Chiang Li , Tsung-Hui Chang , Chong-Yung Chi

This paper studies a multi-antenna networked integrated sensing and communications (ISAC) system, in which a set of multi-antenna base stations (BSs) employ the coordinated transmit beamforming to serve multiple single-antenna communication…

Information Theory · Computer Science 2023-07-12 Gaoyuan Cheng , Yuan Fang , Jie Xu , Derrick Wing Kwan Ng

We propose techniques for optimizing transmit beamforming in a full-duplex multiple-input-multiple-output (MIMO) wireless-powered communication system, which consists of two phases. In the first phase, the wireless-powered mobile station…

Information Theory · Computer Science 2017-05-12 Batu K. Chalise , Himal A. Suraweera , Gan Zheng , George K. Karagiannidis

In this article, we study the joint communication and sensing (JCAS) paradigm in the context of millimeter-wave (mm-wave) mobile communication networks. We specifically address the JCAS challenges stemming from the full-duplex operation and…

Signal Processing · Electrical Eng. & Systems 2021-09-14 Carlos Baquero Barneto , Taneli Riihonen , Sahan Damith Liyanaarachchi , Mikko Heino , Nuria González-Prelcic , Mikko Valkama

Multicell coordinated beamforming (MCBF) has been recognized as a promising approach to enhancing the system throughput and spectrum efficiency of wireless cellular systems. In contrast to the conventional single-cell beamforming (SBF)…

Information Theory · Computer Science 2011-06-08 Chao Shen , Kun-Yu Wang , Tsung-Hui Chang , Zhengding Qiu , Chong-Yung Chi

The design of a set of beamformers for the multiuser multiple-input single-output (MISO) downlink that provides the receivers with prespecified levels of quality-of-service (QoS) can be quite challenging when the channel state information…

Signal Processing · Electrical Eng. & Systems 2017-10-27 Mostafa Medra , Yongwei Huang , Timothy N. Davidson

We propose a data-aided transmit beamforming scheme for the multi-user multiple-input-single-output (MISO) downlink channel. While conventional beamforming schemes aim at the minimization of the transmit power subject to suppressing…

Information Theory · Computer Science 2023-07-19 C. Masouros , G. Zheng

In this paper, a novel joint design of beamforming and power allocation is proposed for a multi-cell multiuser multiple-input multiple-output (MIMO) non-orthogonal multiple access (NOMA) network. In this network, base stations (BSs) adopt…

Information Theory · Computer Science 2018-06-13 Xiaofang Sun , Nan Yang , Shihao Yan , Zhiguo Ding , Derrick Wing Kwan Ng , Chao Shen , Zhangdui Zhong

In this work, we propose ultra-low-complexity design solutions for multi-group multicast beamforming in large-scale systems. For the quality-of-service (QoS) problem, by utilizing the optimal multicast beamforming structure obtained…

Information Theory · Computer Science 2023-04-17 Chong Zhang , Min Dong , Ben Liang

One of the main goals of the future wireless networks is improving the users quality of experience (QoE). In this paper, we consider the problem of QoE-based resource allocation in the downlink of a massive multiple-input multiple-output…

Information Theory · Computer Science 2018-05-18 Hadis Abarghouyi , S. Mohammad Razavizadeh , Emil Bjornson