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Cell-free massive multiple-input multiple-output (MIMO) is a potential key technology for fifth generation wireless communication networks. A mixed quality-of-service (QoS) problem is investigated in the uplink of a cell-free massive MIMO…

信号处理 · 电气工程与系统科学 2018-06-20 Manijeh Bashar , Kanapathippillai Cumanan , Alister G. Burr , Hien Quoc Ngo , H. Vincent Poor

Multi-cell cooperation is an effective means to improve service quality to cellular users. Existing work primarily focuses on interference cancellation using all the degrees of freedom (DoF). This leads to low service quality for some users…

信息论 · 计算机科学 2023-10-31 Chen-Yen Lin , Kuang-Hao , Liu

Recent studies indicate the feasibility of in-band fullduplex (FD) wireless communications, where a wireless radio transmits and receives simultaneously in the same band. Due to its potential to increase the capacity, analyzing the…

网络与互联网体系结构 · 计算机科学 2016-11-15 Peyman Tehrani , Farshad Lahouti , Michele Zorzi

In this paper, we investigate physical layer security (PLS) for full-duplex (FD) multi-user systems. We consider a base station (BS) that operates in FD mode and transmits artificial noise (AN) to simultaneously protect uplink (UL) and…

信号处理 · 电气工程与系统科学 2025-01-03 Jingze Ding , Zijian Zhou , Bingli Jiao

Beamforming design has been widely investigated for integrated sensing and communication (ISAC) systems with full-duplex (FD) sensing and half-duplex (HD) communication. To achieve higher spectral efficiency, in this paper, we extend…

信息论 · 计算机科学 2023-04-20 Zhenyao He , Wei Xu , Hong Shen , Derrick Wing Kwan Ng , Yonina C. Eldar , Xiaohu You

This paper considers full-duplex (FD) device-to-device (D2D) communications in a downlink MISO cellular system in the presence of multiple eavesdroppers. The D2D pair communicate sharing the same frequency band allocated to the cellular…

信息论 · 计算机科学 2017-09-08 Muhammad R. A. Khandaker , Christos Masouros , Kai-Kit Wong

We consider a wireless system with a full-duplex (FD) access point (AP) that transmits to a scheduled user in the downlink (DL) channel, while receiving data from an user in the uplink (UL) channel at the same time on the same frequency. In…

信息论 · 计算机科学 2016-11-15 Mohammadali Mohammadi , Himal A. Suraweera , Ioannis Krikidis , Chintha Tellambura

Consider a multi-input multi-output (MIMO) downlink multi-user channel. A well-studied problem in such system is the design of linear beamformers for power minimization with the quality of service (QoS) constraints. The most representative…

信息论 · 计算机科学 2015-07-28 Qingjiang Shi , Meisam Razavayan , Mingyi Hong , Zhi-Quan Luo

Full-duplex (FD) technology is envisaged as a key component for future mobile broadband networks due to its ability to boost the spectral efficiency. FD systems can transmit and receive simultaneously on the same frequency at the expense of…

信息论 · 计算机科学 2017-05-12 Italo Atzeni , Marios Kountouris

Supporting ultra-reliable and low-latency communications (URLLC) is one of the major goals for the fifth-generation cellular networks. Since spectrum usage efficiency is always a concern, and large bandwidth is required for ensuring…

信息论 · 计算机科学 2018-01-04 Changyang She , Chenyang Yang , Tony Q. S. Quek

The wireless in-band full-duplex (IBFD) technology can in theory double the system capacity over the conventional frequency division duplex (FDD) or time-division duplex (TDD) alternatives. But the strong self-interference of the IBFD can…

信号处理 · 电气工程与系统科学 2022-11-23 Wei Zhang , Yi Jiang , Bin Zhou

In this paper, we investigate the resource allocation design for intelligent reflecting surface (IRS)-assisted full-duplex (FD) cognitive radio systems. In particular, a secondary network employs an FD base station (BS) for serving multiple…

信息论 · 计算机科学 2020-03-18 Dongfang Xu , Xianghao Yu , Yan Sun , Derrick Wing Kwan Ng , Robert Schober

In this paper, we propose a novel reception/transmission scheme for half-duplex base stations (BSs). In particular, we propose a half-duplex BS that employes in-band uplink-receptions from user 1 and downlink-transmissions to user 2, which…

信息论 · 计算机科学 2019-09-10 Mohsen Mohammadkhani Razlighi , Nikola Zlatanov

Quality of service (QoS) for a network is characterized in terms of various parameters specifying packet delay and loss tolerance requirements for the application. The unpredictable nature of the wireless channel demands for application of…

信息论 · 计算机科学 2016-11-17 M. Majid Butt , Eduard A. Jorswieck , Bjorn Ottersten

The full-duplex (FD) communication can achieve higher spectrum efficiency than conventional half-duplex (HD) communication; however, self-interference (SI) is the key hurdle. This paper is the first work to propose the intelligent Omni…

信息论 · 计算机科学 2022-08-22 Sisai Fang , Gaojie Chen , Pei Xiao , Kai-Kit Wong , Rahim Tafazolli

This paper investigates reconfigurable intelligent surface (RIS)-aided frequency division duplexing (FDD) communication systems. Since the downlink and uplink signals are simultaneously transmitted in FDD, the phase shifts at the RIS should…

信息论 · 计算机科学 2024-01-23 Gyoseung Lee , Hyeongtaek Lee , Donghwan Kim , Jaehoon Chung , A. Lee. Swindlehurst , Junil Choi

This study considers a novel full-duplex (FD) massive multiple-input multiple-output (mMIMO) system using hybrid beamforming (HBF) architecture, which allows for simultaneous uplink (UL) and downlink (DL) transmission over the same…

信息论 · 计算机科学 2023-09-08 Mobeen Mahmood , Asil Koc , Duc Tuong Nguyen , Robert Morawski , Tho Le-Ngoc

This paper investigates full-duplex unmanned aerial vehicle (UAV) aided small cell wireless systems, where the UAV serving as the base station (BS) is designed to transmit data to the downlink users and receive data from the uplink users…

信息论 · 计算机科学 2019-12-11 Meng Hua , Luxi Yang , Cunhua Pan , Arumugam Nallanathan

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 joint transceiver design for downlink multiuser multiple-input single-output (MISO) systems with coordinated base stations (BSs) where imperfect channel state information (CSI) is available at the BSs and mobile…

最优化与控制 · 数学 2013-11-26 Tadilo Endeshaw , Luc Vandendorpe , Batu Krishna Chalise