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In this paper, we study the distributed computational capabilities of device-to-device (D2D) networks. A key characteristic of D2D networks is that their topologies are reconfigurable to cope with network demands. For distributed computing,…

网络与互联网体系结构 · 计算机科学 2020-11-25 Junghoon Kim , Taejoon Kim , Morteza Hashemi , Christopher G. Brinton , David J. Love

This paper proposes a spectrum selection scheme and a transmit power minimization scheme for a device-to-device (D2D) network cross-laid with a cloud radio access network (CRAN). The D2D communications are allowed as an overlay to the CRAN…

信号处理 · 电气工程与系统科学 2024-07-17 Isuru Janith Ranawaka , Kasun T. Hemachandra , Tharaka Samarasinghe , Theshani Nuradha

In this paper, we present a framework for resource allocations for multicast device-to-device (D2D) communications underlaying a cellular network. The objective is to maximize the sum throughput of active cellular users (CUs) and feasible…

网络与互联网体系结构 · 计算机科学 2017-05-05 Hadi Meshgi , Dongmei Zhao , Rong Zheng

Wireless device-to-device (D2D) communication underlaying cellular network is a promising concept to improve user experience and resource utilization. Unlike traditional D2D communication where two mobile devices in the proximity establish…

网络与互联网体系结构 · 计算机科学 2015-08-07 Monowar Hasan , Ekram Hossain

Leveraging on the reconfigurable intelligent surface (RIS) paradigm for enabling the next Internet of Things (IoT) and 6G era, this paper develops a comprehensive theoretical framework characterizing the performance of RIS-assisted…

信号处理 · 电气工程与系统科学 2020-04-14 Imène Trigui , Wessam Ajib , Wei-Ping Zhu

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

This paper addresses two fundamental and interrelated issues in device-to-device (D2D) enhanced cellular networks. The first issue is how D2D users should access spectrum, and we consider two choices: overlay (orthogonal spectrum between…

信息论 · 计算机科学 2016-11-17 Xingqin Lin , Jeffrey G. Andrews , Amitava Ghosh

Device-to-device (D2D) communications as an underlay of a LTE-A (4G) network can reduce the traffic load as well as power consumption in cellular networks by way of utilizing peer-to-peer links for users in proximity of each other. This…

网络与互联网体系结构 · 计算机科学 2014-12-25 Sajjad Mehri Alamouti , Ahmad R. Sharafat

In a device-to-device (D2D) underlaid massive MIMO system, D2D transmitters reuse the uplink spectrum of cellular users (CUs), leading to cochannel interference. To decrease pilot overhead, we assume pilot reuse (PR) among D2D pairs. We…

信息论 · 计算机科学 2017-08-07 Hao Xu , Wei Xu , Zhaohui Yang , Jianfeng Shi , Ming Chen

In this paper, we develop a comprehensive analytical framework for cache enabled cellular networks overlaid with coordinated device-to-device (D2D) communication. We follow an approach similar to LTE Direct, where the base station (BS) is…

网络与互联网体系结构 · 计算机科学 2017-12-21 Asma Afzal , Syed Ali Raza Zaidi , Des McLernon , Mounir Ghogho

Cell association in cellular networks is an important aspect that impacts network capacity and eventually quality of experience. The scope of this work is to investigate the different and generalized cell association (CAS) strategies for…

网络与互联网体系结构 · 计算机科学 2016-11-15 Hisham Elshaer , Christoforos Vlachos , Vasilis Friderikos , Mischa Dohler

Smart radio environments aided by reconfigurable intelligent reflecting surfaces (RIS) have attracted much research attention recently. We propose a joint optimization strategy for beamforming, RIS phases, and power allocation to maximize…

We aim to secure a large-scale device-to-device (D2D) network against adversaries. The D2D network underlays a downlink cellular network to reuse the cellular spectrum and is enabled for simultaneous wireless information and power transfer…

信息论 · 计算机科学 2023-02-17 Shaohan Feng , Xiao Lu , Dusit Niyato , Ekram Hossain , Sumei Sun

The reconfigurable intelligent surface (RIS) is a promising technology that is anticipated to enable high spectrum and energy efficiencies in future wireless communication networks. This paper investigates optimum location-based RIS…

信息论 · 计算机科学 2022-06-07 Yuting Fang , Saman Atapattu , Hazer Inaltekin , Jamie Evans

In this paper, we propose effective channel assignment algorithms for network utility maximization in a cellular network with underlaying device-to-device (D2D) communications. A major innovation is the consideration of partial channel…

信息论 · 计算机科学 2016-08-30 Rui Wang , Jun Zhang , S. H. Song , Khaled B. Letaief

Transmissive reconfigurable intelligent surfaces (RIS) represent a transformative architecture for future wireless networks, enabling a paradigm shift from traditional costly base stations to low-cost, energy-efficient transmitters. This…

信息论 · 计算机科学 2025-11-17 Zhengwei Jiang , Yufeng Zhou , Xusheng Zhu , Wen Chen , Qingqing Wu , Kai-Kit Wong

Cellular offloading in device-to-device communication is a challenging optimisation problem in which the improved allocation of radio resources can increase spectral efficiency, energy efficiency, throughout and reduce latency. The academic…

系统与控制 · 电气工程与系统科学 2021-01-28 David Cotton , Zenon Chaczko

Positioning is expected to be a core function in intelligent transportation systems (ITSs) to support communication and location-based services, such as autonomous driving, traffic control, etc. With the advent of low-cost reflective…

信号处理 · 电气工程与系统科学 2023-11-15 Hui Chen , Pinjun Zheng , Musa Furkan Keskin , Tareq Al-Naffouri , Henk Wymeersch

Reconfigurable intelligent surfaces (RISs) are an emerging technology for enhancing the performance of wireless networks at a low and affordable cost, complexity, and power consumption. We introduce an algorithm for optimizing a…

信息论 · 计算机科学 2020-12-01 Xuewen Qian , Marco Di Renzo

The advent of Reconfigurable Intelligent Surfaces (RISs) in wireless communication networks unlocks the way to support high frequency radio access (e.g. in millimeter wave) while overcoming their sensitivity to the presence of deep fading…

信息论 · 计算机科学 2022-05-31 Fatima Ezzahra Airod , Mattia Merluzzi , Paolo Di Lorenzo , Emilio Calvanese Strinati