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Growing demand for video services is the main driver for increasing traffic in wireless cellular data networks. Wireless video distribution schemes have recently been proposed to offload data via Device-to-Device (D2D) communications. These…

网络与互联网体系结构 · 计算机科学 2017-08-28 Mansour Naslcheraghi , Seyed Ali Ghorashi , Mohammad Shikh-Bahaei

We consider a dynamic time division duplex (DTDD) enabled cell-free massive multiple-input multiple-output (CF-mMIMO) system, where each half-duplex (HD) access point (AP) is scheduled to operate in the uplink (UL) or downlink (DL) mode…

信号处理 · 电气工程与系统科学 2022-05-24 Anubhab Chowdhury , Ribhu Chopra , Chandra R. Murthy

\underline{S}imultaneous \underline{t}ransmitting \underline{a}nd \underline{r}eflecting \underline{s}urface (STARS)-assisted systems have emerged to fill this gap by providing $ 360^{\circ}$ wireless coverage. In parallel, full-duplex (FD)…

In-band full-duplex (IBFD) operation has emerged as an attractive solution for increasing the throughput of wireless communication systems and networks. With IBFD, a wireless terminal is allowed to transmit and receive simultaneously in the…

Our traditional notion of a cell is changing dramatically given the increasing degree of heterogeneity in 4G and emerging 5G systems. Rather than belonging to a specific cell, a device would choose the most suitable connection from the…

网络与互联网体系结构 · 计算机科学 2014-10-28 Katerina Smiljkovikj , Hisham Elshaer , Petar Popovski , Federico Boccardi , Mischa Dohler , Liljana Gavrilovska , Ralf Irmer

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

Full-Duplex (FD) wireless and Device-to-Device (D2D) communication are two promising technologies that aspire to enhance the spectrum and energy efficiency of wireless networks, thus fulfilling key requirements of the 5th generation (5G) of…

The potential of doubling the spectrum efficiency of full-duplex (FD) transmission motivates us to investigate FD millimeter-wave (FD-mmWave) communication. To realize FD transmission in the mmWave band, we first introduce possible antenna…

信息论 · 计算机科学 2017-09-26 Zhenyu Xiao , Pengfei Xia , Xiang-Gen Xia

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

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

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

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

An uplink-downlink two-cell cellular network is studied in which the first base station (BS) with $M_1$ antennas receives independent messages from its $N_1$ serving users, while the second BS with $M_2$ antennas transmits independent…

信息论 · 计算机科学 2014-10-28 Sang-Woon Jeon , Changho Suh

This paper considers an uplink cellular system, in which each base station (BS) is equipped with a large number of antennas to serve multiple single-antenna user equipments (UEs) simultaneously. Uplink training with pilot reusing is adopted…

信息论 · 计算机科学 2016-11-18 Ning Liang , Wenyi zhang , Cong Shen

Heterogeneous networks (HetNets) as a combination of macro cells and small cells are used to increase the cellular network's capacity, and present a perfect solution for high-speed communications. Increasing area spectrum efficiency and…

网络与互联网体系结构 · 计算机科学 2019-07-29 Leila Marandi , Mansour Naslcheraghi , Seyed Ali Ghorashi , Mohammad Shikh-Bahaei

Drone-mounted base stations (DBSs) are promising solutions to provide ubiquitous connections to users and support many applications in the fifth generation of mobile networks while full duplex communications has the potential to improve the…

网络与互联网体系结构 · 计算机科学 2019-11-01 Liang Zhang , Nirwan Ansari

Recently, several working implementations of in--band full--duplex wireless systems have been presented, where the same node can transmit and receive simultaneously in the same frequency band. The introduction of such a possibility at the…

信息论 · 计算机科学 2016-06-01 Michele Luvisotto , Alireza Sadeghi , Farshad Lahouti , Stefano Vitturi , Michele Zorzi

The recent significant progress in realizing full-duplex~(FD) systems has opened up a promising avenue for improving quality of service (QoS) and quality of experience (QoE) in future wireless networks. There is an urgent need to address…

信息论 · 计算机科学 2016-11-17 Lingyang Song , Yonghui Li , Zhu Han

A Full Duplex Base Station (FD-BS) can be used to serve simultaneously two Half-Duplex (HD) Mobile Stations (MSs), one working in the uplink and one in the downlink, respectively. The same functionality can be realized by having two…

信息论 · 计算机科学 2016-11-17 Henning Thomsen , Dong Min Kim , Petar Popovski , Nuno K. Pratas , Elisabeth de Carvalho

We study a multi-cell multi-user MIMO full-duplex network, where each base station (BS) has multiple antennas with full-duplex capability supporting single-antenna users with either full-duplex or half-duplex radios. We characterize the up-…

信息论 · 计算机科学 2016-06-17 Jingwen Bai , Ashutosh Sabharwal

In this paper, we study the resource allocation algorithm design for distributed antenna multiuser networks with full-duplex (FD) radio base stations (BSs) which enable simultaneous uplink and downlink communications. The considered…

信息论 · 计算机科学 2015-02-10 Derrick Wing Kwan Ng , Yongpeng Wu , Robert Schober