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相关论文: Performance of Network-Assisted Full-Duplex for Ce…

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Integrated sensing and communication (ISAC) capability is envisioned as one key feature for future cellular networks. Classical half-duplex (HD) radar sensing is conducted in a "first-emit-then-listen" manner. One challenge to realize HD…

信息论 · 计算机科学 2023-09-08 Yuan Guo , Yang Liu , Qingqing Wu , Xiaoyang Li , Qingjiang Shi

A Cell-Free Massive MIMO (multiple-input multiple-output) system comprises a very large number of distributed access points (APs)which simultaneously serve a much smaller number of users over the same time/frequency resources based on…

信息论 · 计算机科学 2017-01-18 Hien Quoc Ngo , Alexei Ashikhmin , Hong Yang , Erik G. Larsson , Thomas L. Marzetta

Full-duplex (FD) allows the exchange of data between nodes on the same temporal and spectrum resources, however, it introduces self interference (SI) and additional network interference compared to half-duplex (HD). Power control in the FD…

网络与互联网体系结构 · 计算机科学 2017-02-23 Chenyuan Feng , Yi Zhong , Tony Q. S. Quek , Gang Wu

We study the degrees of freedom (DoF) of cellular networks in which a full duplex (FD) base station (BS) equipped with multiple transmit and receive antennas communicates with multiple mobile users. We consider two different scenarios. In…

信息论 · 计算机科学 2016-11-18 Sang-Woon Jeon , Sung Ho Chae , Sung Hoon Lim

In this work, we analyze the performance of full-duplex relay selection (FDRS) in spectrum-sharing networks. Contrary to half-duplex relaying, full-duplex relaying (FDR) enables simultaneous listening/forwarding at the secondary relay(s),…

信息论 · 计算机科学 2017-10-03 Mohammad Galal Khafagy , Mohamed-Slim Alouini , Sonia Aissa

We investigate the spectral efficiency of full-duplex small cell wireless systems, in which a full-duplex capable base station (BS) is designed to send/receive data to/from multiple halfduplex users on the same system resources. The major…

信息论 · 计算机科学 2014-07-11 Dan Nguyen , Le-Nam Tran , Pekka Pirinen , Matti Latva-aho

Full-dimensional (FD) channel state information at transmitter (CSIT) has always been a major limitation of the spectral efficiency of cellular multi-input multi-output (MIMO) networks. This letter proposes an FD-directional spatial channel…

信息论 · 计算机科学 2018-06-12 Ali A. Esswie , Octavia A. Dobre , Salama Ikki

In a device-to-device (D2D) underlaid cellular network, the uplink spectrum is reused by the D2D transmissions, causing mutual interference with the ongoing cellular transmissions. Massive MIMO is appealing in such a context as the base…

信息论 · 计算机科学 2015-01-29 Xingqin Lin , Robert W. Heath , Jeffrey G. Andrews

This letter considers the secure communication in a reconfigurable intelligent surface (RIS) aided full duplex (FD) system. An FD base station (BS) serves an uplink (UL) user and a downlink (DL) user simultaneously over the same…

信号处理 · 电气工程与系统科学 2022-09-27 Pengxin Guan , Yiru Wang , Yuping Zhao

In-band full-duplex transmission allows a relay station to theoretically double its spectral efficiency by simultaneously receiving and transmitting in the same frequency band, when compared to the traditional half-duplex or out-of-band…

信息论 · 计算机科学 2019-03-07 João S. Lemos , Francisco A. Monteiro , Ivo Sousa , António Rodrigues

In-band full-duplex (IBFD) is a theoretically effective solution to increase the overall throughput for the future wireless communications system by enabling transmission and reception over the same time-frequency resources. However,…

信息论 · 计算机科学 2024-08-02 Kai Niu , Zijian Liang , Chao Dong , Jincheng Dai , Zhongwei Si , Ping Zhang

Cell-Free massive MIMO networks provide huge power gains and resolve inter-cell interference by coherent processing over a massive number of distributed instead of co-located antennas in access points (APs). Cost-efficient hardware is…

信号处理 · 电气工程与系统科学 2023-05-23 Yibo Wu , Luca Sanguinetti , Ulf Gustavsson , Alexandre Graell i Amat , Henk Wymeersch

Theoretically, full-duplex (FD) communications can double the spectral-efficiency (SE) of a wireless link if the problem of self-interference (SI) is completely eliminated. Recent developments towards SI cancellation techniques have allowed…

信号处理 · 电气工程与系统科学 2018-03-02 Animesh Yadav , Georgios I. Tsiropoulos , Octavia A. Dobre

In this paper, we consider a frequency-division duplexing (FDD) multiple-user multiple-input-single-output (MU-MISO) wireless-powered communication network (WPCN) consisting of one hybrid data-and-energy access point (HAP) with multiple…

信息论 · 计算机科学 2018-10-03 Arman Ahmadian

Full duplex (FD) systems suffer from very high hardware cost and high power consumption to mitigate the self-interference (SI) in the analog domain. Moreover, in millimeter wave (mmWave) they rely on hybrid beamforming (HYBF) as a signal…

信息论 · 计算机科学 2023-06-16 Chandan Kumar Sheemar , Stefano Tomasin , Dirk Slock , Symeon Chatzinotas

Full-duplex (FD) technique can remarkably boost the network capacity in the millimeter wave (mmWave) bands by enabling simultaneous transmission and reception. However, due to directional transmission and large bandwidth, the throughput and…

网络与互联网体系结构 · 计算机科学 2023-05-31 Shengbo Liu , Wen Wu , Liqun Fu , Kaige Qu , Qiang Ye , Weihua Zhuang , Sherman Shen

We consider a multiuser (MU) multiple-input multiple-output (MIMO) time-division duplexing (TDD) system in which the base station (BS) is equipped with a large number of antennas for communicating with single-antenna mobile users. In such a…

信息论 · 计算机科学 2013-12-05 Ko-Feng Chen , Yen-Cheng Liu , Yu T. Su

This paper proposes a scheme for the envisioned sixth-generation (6G) ultra-massive Machine Type Communications(umMTC). In particular, wireless power transfer (WPT) assisted communication is deployed in non-orthogonal multiple access (NOMA)…

信号处理 · 电气工程与系统科学 2023-03-14 Shiyu Jiao , Fang Fang , Zhiguo Ding

In order to unlock the full advantages of massive multiple input multiple output (MIMO) in the downlink, channel state information (CSI) is required at the base station (BS) to optimize the beamforming matrices. In frequency division duplex…

信息论 · 计算机科学 2021-07-09 Yusha Liu , Osvaldo Simeone

This paper addresses the problem of downlink channel estimation in frequency-division duplexing (FDD) massive multiple-input multiple-output (MIMO) systems. The existing methods usually exploit hidden sparsity under a discrete Fourier…

信号处理 · 电气工程与系统科学 2018-02-27 Jisheng Dai , An Liu , Vincent K. N. Lau