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This paper studies the benefits of incorporating underlaid full-duplex (FD) device-to-device (D2D) communications into massive multiple-input-multiple-output (MIMO) downlink systems. Due to the nature of cellular downlink and FD D2D…

信号处理 · 电气工程与系统科学 2020-11-11 Hung V. Vu , Tho Le-Ngoc

A full-duplex (FD) multiple antenna access point (AP) communicating with single antenna half-duplex (HD) spatially random users to support simultaneous uplink (UL)/downlink (DL) transmissions is investigated. Since FD nodes are inherently…

信息论 · 计算机科学 2016-11-18 Mohammadali Mohammadi , Himal A. Suraweera , Yun Cao , Ioannis Krikidis , Chintha Tellambura

In this paper, we investigate the problem of two-way relay beamforming optimization to maximize the achievable sum-rate of a simultaneous wireless information and power transfer (SWIPT) system with a full-duplex (FD) multiple-input…

信息论 · 计算机科学 2017-03-23 Alexander A. Okandeji , Muhammad R. A. Khandaker , Kai-Kit Wong

In this paper, we investigate the joint beamforming and power splitting design problem in a base station (BS) cluster-based cloud radio access network (C-RAN) with multicast fronthaul, where users are jointly served by BSs within each…

信息论 · 计算机科学 2020-02-12 Wanming Hao , Gangcan Sun , Ming Zeng , Zhengyu Zhu , Bin Jiang , Shouyi Yang

This study investigates a networked integrated sensing and communication (ISAC) system, where multiple base stations (BSs), connected to a central processor (CP) via capacity-limited fronthaul links, cooperatively serve communication users…

信号处理 · 电气工程与系统科学 2024-08-16 Kexin Zhang , Yanqing Xu , Ruisi He , Chao Shen , Tsung-hui Chang

Reconfigurable intelligent surfaces (RIS) as an effective technique for intelligently manipulating channel paths through reflection to serve desired users. Full-duplex (FD) systems, enabling simultaneous transmission and reception from a…

信息论 · 计算机科学 2023-11-08 Li-Hsiang Shen , Chia-Jou Ku , Kai-Ten Feng

In this paper, we study resource allocation for a full-duplex (FD) radio base station serving multiple half-duplex (HD) downlink and uplink users simultaneously. The considered resource allocation algorithm design is formulated as a…

信息论 · 计算机科学 2016-11-17 Derrick Wing Kwan Ng , Yan Sun , Robert Schober

Large-scale distributed-antenna system (L-DAS) with very large number of distributed antennas, possibly up to a few hundred antennas, is considered. A few major issues of the L-DAS, such as high latency, energy consumption, computational…

信息论 · 计算机科学 2015-06-18 Jingon Joung , Yeow Khiang Chia , Sumei Sun

This work studies the effectiveness of a novel simultaneous transmission and reflection reconfigurable intelligent surface (STAR-RIS) aided Full-Duplex (FD) communication system. We aim to maximize the energy efficiency by jointly…

信号处理 · 电气工程与系统科学 2022-04-18 Pengxin Guan , Yiru Wang , Hongkang Yu , Yuping Zhao

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…

信息论 · 计算机科学 2017-05-12 Batu K. Chalise , Himal A. Suraweera , Gan Zheng , George K. Karagiannidis

Recent years have witnessed a proliferation of battery-powered mobile devices, e.g., smartphones, tablets, sensors, and laptops, which leads a significant demand for high capacity wireless communication with high energy efficiency. Among…

网络与互联网体系结构 · 计算机科学 2017-09-29 Makoto Kobayashi , Ryo Murakami , Shunsuke Saruwatari , Takashi Watanabe

Multiple transmitting antennas can considerably increase the downlink spectral efficiency by beamforming to multiple users at the same time. However, multiuser beamforming requires channel state information (CSI) at the transmitter, which…

信息论 · 计算机科学 2017-01-31 Xu Du , John Tadrous , Ashutosh Sabharwal

To further improve the potential of full-duplex communications, networks may employ multiple antennas at the base station or user equipment. To this end, networks that employ current radios usually deal with self-interference and multi-user…

信息论 · 计算机科学 2018-05-25 José Mairton B. da Silva , Hadi Ghauch , Gábor Fodor , Carlo Fischione

In this paper we study energy efficient joint power allocation and beamforming for coordinated multicell multiuser downlink systems. The considered optimization problem is in a non-convex fractional form and hard to tackle. We propose to…

信息论 · 计算机科学 2013-10-09 He Shiwen , Huang Yongming , Jin Shi , Yang Luxi

In this paper, the problem of uplink (UL) and downlink (DL) resource optimization, mode selection and power allocation is studied for wireless cellular networks under the assumption of in-band full duplex (IBFD) base stations,…

信息论 · 计算机科学 2017-06-20 Mohammed S. Elbamby , Mehdi Bennis , Walid Saad , Mérouane Debbah , Matti Latva-aho

This paper considers the multi-group multicast beamforming optimization problem, for which the optimal solution has been unknown due to the non-convex and NP-hard nature of the problem. By utilizing the successive convex approximation…

信号处理 · 电气工程与系统科学 2021-04-13 Min Dong , Qiqi Wang

We study the beamforming optimization for an intelligent reflecting surface (IRS)-aided full-duplex (FD) communication system in this letter. Specifically, we maximize the sum rate of bi-directional transmissions by jointly optimizing the…

信息论 · 计算机科学 2020-10-22 Hong Shen , Tian Ding , Wei Xu , Chunming Zhao

The sum-rate performance of simultaneous transmitting and reflecting reconfigurable intelligent surface (STAR-RIS) assisted full-duplex (FD) communication systems is investigated. The reflection and transmission coefficients of STAR-RIS…

We solve a sum rate maximization problem of full-duplex (FD) multiuser multiple-input multiple-output (MU-MIMO) systems. Since additional self-interference (SI) in the uplink channel and co-channel interference (CCI) in the downlink channel…

信息论 · 计算机科学 2016-06-28 Jinwoo Kim , Wan Choi , Hyuncheol Park

A near-field wideband communication system is investigated in which a base station (BS) employs an extra-large scale antenna array (ELAA) to serve multiple users in its near-field region. To facilitate near-field multi-user beamforming and…

信息论 · 计算机科学 2024-09-24 Zhaolin Wang , Xidong Mu , Yuanwei Liu