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Optimal resource allocation is a fundamental challenge for dense and heterogeneous wireless networks with massive wireless connections. Because of the non-convex nature of the optimization problem, it is computationally demanding to obtain…

网络与互联网体系结构 · 计算机科学 2019-05-01 Kazi Ishfaq Ahmed , Ekram Hossain

In this paper, we consider a mixed RF and hybrid RF/FSO system where several mobile users transmit their data over an RF link to a relay node (e.g. a small cell base station) and the relay forwards the information to a destination (e.g. a…

信息论 · 计算机科学 2015-06-17 Vahid Jamali , Diomidis S. Michalopoulos , Murat Uysal , Robert Schober

The recent developments in full duplex (FD) communication promise doubling the capacity of cellular networks using self interference cancellation (SIC) techniques. FD small cells with device-to-device (D2D) communication links could achieve…

网络与互联网体系结构 · 计算机科学 2016-06-24 Arun Ramamurthy , Vanlin Sathya , Shrestha Ghosh , Antony Franklin , Bheemarjuna Reddy Tamma

With Full Duplex (FD), wireless terminal is capable of transmitting and receiving data simultaneously in the same frequency resources, however, it introduces self interference and co-channel interference. Even though various signal…

信息论 · 计算机科学 2023-02-01 Askar Mandali Kundu , Rudrashish Pal , Mayank Kumar , Sreejith T

With the successful demonstration of in-band full-duplex (IBFD) transceivers, a new research dimension has been added to wireless networks. This paper proposes an interesting use case of this capability for IBFD self-backhauling…

网络与互联网体系结构 · 计算机科学 2017-02-21 Ankit Sharma , Radha Krishna Ganti , J. Klutto Milleth

The problem of joint downlink cell association (CA) and wireless backhaul bandwidth allocation (WBBA) in two-tier cellular heterogeneous networks (HetNets) is considered. Large-scale antenna array is implemented at the macro base station…

网络与互联网体系结构 · 计算机科学 2016-11-18 Ning Wang , Ekram Hossain , Vijay K. Bhargava

In this paper, we investigate the resource allocation algorithm design for full-duplex simultaneous wireless information and power transfer (FD-SWIPT) systems. The considered system comprises a FD radio base station, multiple single-antenna…

信息论 · 计算机科学 2016-11-17 Shiyang Leng , Derrick Wing Kwan Ng , Nikola Zlatanov , Robert Schober

To attain the targeted data rates of next generation cellular networks requires dense deployment of small cells in addition to macro cells which provide wide coverage. Dynamic radio resource management is crucial to the success of such…

信息论 · 计算机科学 2019-03-05 Fei Teng , Dongning Guo

Full-duplex (FD) communication is optimistically promoted to double the spectral efficiency if sufficient self-interference cancellation (SIC) is achieved. However, this is not true when deploying FD-communication in a large-scale setup due…

信息论 · 计算机科学 2018-11-07 Konpal Shaukat Ali , Hesham ElSawy , Mohamed-Slim Alouini

In this paper, we investigate resource allocation algorithm design for full-duplex (FD) cognitive radio systems. The secondary network employs a FD base station for serving multiple half-duplex downlink and uplink users simultaneously. We…

信息论 · 计算机科学 2016-02-23 Yan Sun , Derrick Wing Kwan Ng , Nikola Zlatanov , Robert Schober

Device-to-device (D2D) technology enables direct communication between adjacent devices within cellular networks. Due to its high data rate, low latency, and performance improvement in spectrum and energy efficiency, it has been widely…

网络与互联网体系结构 · 计算机科学 2024-10-07 Yang Yu , Xiaoqing Tang

Intelligent wireless networks have long been expected to have self-configuration and self-optimization capabilities to adapt to various environments and demands. In this paper, we develop a novel distributed hierarchical deep reinforcement…

信号处理 · 电气工程与系统科学 2023-12-06 Kaiwen Yu , Chonghao Zhao , Gang Wu , Geoffrey Ye Li

Large-scale mobile edge computing (MEC) systems require scalable solutions to allocate communication and computing resources to the users. In this letter we address this challenge by applying dynamic spectrum sharing among the base stations…

信息论 · 计算机科学 2019-10-14 Ming Zeng , Viktoria Fodor

We consider a wireless network comprising multiple singleantenna repeaters that amplify and instantaneously re-transmit received signals in a full-duplex (FD) communication setting. Specifically, we study a massive multiple-input multiple…

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

Device-to-device (D2D) communication underlaying cellular wireless networks is a promising concept to improve user experience and resource utilization by allowing direct transmission between two cellular devices. In this paper, performance…

网络与互联网体系结构 · 计算机科学 2014-06-13 Monowar Hasan , Ekram Hossain

The development of self-interference (SI) cancelation technology makes full-duplex (FD) communication possible. Considering the quality of service (QoS) of flows in small cells densely deployed scenario with limited time slot (TS)…

网络与互联网体系结构 · 计算机科学 2019-01-01 Weiguang Ding , Yong Niu , Hao Wu , Yong Li , Zhangdui Zhong

Traditionally, wireless cellular systems have been designed to operate in Frequency Division Duplexing (FDD) paired bands that allocates the same amount of spectrum for both downlink (DL) and uplink (UL) communication. Such design is very…

信息论 · 计算机科学 2016-12-08 A. Agustin , S. Lagen , J. Vidal , O. Muñoz , A. Pascual-Iserte , G. Zhiheng , W. Ronghui

In this paper, we study virtual full-duplex (FD) buffer-aided relaying to recover the loss of multiplexing gain caused by half-duplex (HD) relaying in a multiple relay network, where each relay is equipped with a buffer and multiple…

信息论 · 计算机科学 2016-01-08 Su Min Kim , Mats Bengtsson

Virtualization enables the building of multiple virtual networks over a shared substrate. One of the challenges to virtualisation is efficient resource allocation. This problem has been found to be NP hard. Therefore, most approaches to it…

网络与互联网体系结构 · 计算机科学 2015-03-17 Rashid Mijumbi , Joan Serrat , Juan-Luis Gorricho