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Wireless network virtualization has attracted great attentions from both academia and industry. Another emerging technology for next generation wireless networks is in-band full duplex (FD) communications. Due to its promising performance,…

网络与互联网体系结构 · 计算机科学 2015-10-21 Lei Chen , F. Richard Yu , Hong Ji , Gang Liu , Victor C. M. Leung

Wireless backhaul is considered to be the key part of the future wireless network with dense small cell traffic and high capacity demand. In this paper, we focus on the design of a high spectral efficiency line-of-sight (LoS) multiple-input…

信号处理 · 电气工程与系统科学 2021-04-20 Ye Xue , Xuanyu Zheng , Vincent Lau

Simultaneous reuse of spectral resources by uplink and downlink, denoted as in-band full duplex (FD) communication, is promoted to double the spectral efficiency when compared to its half-duplex (HD) counterpart. Interference management,…

With the dense deployment of small cell networks, low-cost backhaul schemes for small cell base stations (SBSs) have attracted great attentions. Self-backhaul using cellular communication technology is considered as a promising solution.…

网络与互联网体系结构 · 计算机科学 2016-11-22 Lei Chen , F. Richard Yu , Hong Ji , Bo Rong , Victor C. M. Leung

Large multiple-input multiple-output (MIMO) networks promise high energy efficiency, i.e., much less power is required to achieve the same capacity compared to the conventional MIMO networks if perfect channel state information (CSI) is…

信息论 · 计算机科学 2015-06-17 An Liu , Vincent Lau

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

In 5G networks, base station (BS) disaggregation and new services present challenges in radio access network (RAN) configuration, particularly in meeting their bandwidth and latency constraints. The BS disaggregation is enabled by…

网络与互联网体系结构 · 计算机科学 2025-10-17 Gabriela N. Caspa H. , Carlos A. Astudillo , Nelson L. S. da Fonseca

In this paper, we study Full Duplex (FD) Multiple-Input Multiple-Output (MIMO) radios for simultaneous data communication and control information exchange. Capitalizing on a recently proposed FD MIMO architecture combining digital transmit…

信息论 · 计算机科学 2020-03-17 Md Atiqul Islam , George C. Alexandropoulos , Besma Smida

We consider the cell-free massive multiple-input multiple-output (MIMO) downlink, where a very large number of distributed multiple-antenna access points (APs) serve many single-antenna users in the same time-frequency resource. A simple…

信息论 · 计算机科学 2017-11-27 Hien Quoc Ngo , Le-Nam Tran , Trung Q. Duong , Michail Matthaiou , Erik G. Larsson

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

Future mobile traffic growth will require 5G cellular networks to densify the deployment of small cell base stations (BS). As it is not feasible to form a backhaul (BH) by wiring all BSs to the core network, directional mmWave links can be…

网络与互联网体系结构 · 计算机科学 2019-07-24 Ricardo Santos , Nina Skorin-Kapov , Hakim Ghazzai , Andreas Kassler

In this paper, we propose an efficient downlink channel reconstruction scheme for a frequency-division-duplex multi-antenna system by utilizing uplink channel state information combined with limited feedback. Based on the spatial…

信息论 · 计算机科学 2018-05-21 Yu Han , Tien-Hao Hsu , Chao-Kai Wen , Kai-Kit Wong , Shi Jin

Mobile cloud computing enables the offloading of computationally heavy applications, such as for gaming, object recognition or video processing, from mobile users (MUs) to cloudlet or cloud servers, which are connected to wireless access…

网络与互联网体系结构 · 计算机科学 2017-02-07 Ali Al-Shuwaili , Osvaldo Simeone , Alireza Bagheri , Gesualdo Scutari

In-Band Full-Duplex (IBFD) is a technique that enables a wireless node to simultaneously transmit a signal and receive another on the same assigned frequency. Thus, IBFD wireless systems can provide up to twice the channel capacity compared…

网络与互联网体系结构 · 计算机科学 2020-06-22 Murad Murad , Ahmed M. Eltawil

This paper considers a full-duplex (FD) multiuser multiple-input single-output system where a base station simultaneously serves both uplink (UL) and downlink (DL) users on the same time-frequency resource. The crucial barriers in…

信号处理 · 电气工程与系统科学 2019-03-18 Hieu V. Nguyen , Van-Dinh Nguyen , Octavia A. Dobre , Yongpeng Wu , Oh-Soon Shin

In this thesis, we study the downlink multiuser scheduling and power allocation problem for systems with simultaneous wireless information and power transfer (SWIPT). In the first part of the thesis, we focus on multiuser scheduling. We…

信息论 · 计算机科学 2015-03-18 Maryna Chynonova

In this paper, we investigate the power efficient resource allocation algorithm design for secure multiuser wireless communication systems employing a full-duplex (FD) base station (BS) for serving multiple half-duplex (HD) downlink (DL)…

信息论 · 计算机科学 2015-09-07 Yan Sun , Derrick Wing Kwan Ng , Jun Zhu , Robert Schober

In this paper, a cooperative transmission design for a general multi-node half-duplex wireless relay network is presented. It is assumed that the nodes operate in half-duplex mode and that channel information is available at the nodes. The…

信息论 · 计算机科学 2009-11-17 Debdeep Chatterjee , Tan F. Wong , Tat M. Lok

Using tools from stochastic geometry, we develop a framework to model the downlink rate coverage probability of a user in a given small cell network (SCN) with massive MIMO-enabled wireless backhauls. The considered SCN is composed of a…

信息论 · 计算机科学 2017-01-23 Hina Tabassum , Ahmed Hamdi Sakr , Ekram Hossain

Full-duplex (FD) systems have emerged as an es- sential enabling technology to further increase the data rate of wireless communication systems. The key idea of FD is to serve multiple users over the same bandwidth with a base station (BS)…

信息论 · 计算机科学 2017-02-07 Van-Dinh Nguyen , Hieu V. Nguyen , Chuyen T. Nguyen , Oh-Soon Shin