Results 1 to 10 of about 3,133,378 (168)

FD-LTDA-MAC: Full-Duplex Unsynchronised Scheduling in Linear Underwater Acoustic Chain Networks [PDF]

open access: yesApplied Sciences, 2021
In-band full-duplex communication offers significant potential to enhance network performance. This paper presents the full-duplex linear transmit delay allocation MAC (FD-LTDA-MAC) protocol for full-duplex based underwater acoustic chain networks (FD ...
Aliyu Ahmed   +3 more
doaj   +2 more sources

Photonic Time Crystals and Time-Varying Electromagnetic Metamatter: A New Direction for Ultrafast Tunable Photonic and Microwave Materials and Devices. [PDF]

open access: yesAdv Sci (Weinh)
Photonic time crystals (PTCs) are systems in which electromagnetic parameters are modulated periodically in time, producing momentum bandgaps via temporal scattering rather than spatial Bragg processes. This review examines the theoretical frameworks, modeling, and computational tools for time‐varying media, and summarizes experimental demonstrations ...
Patel RK   +3 more
europepmc   +2 more sources

Synergizing NOMA and energy harvesting in full duplex mobile edge computing for optimized energy efficiency [PDF]

open access: yesScientific Reports
This research introduces a novel approach to enhance energy efficiency in Mobile-Edge Computing (MEC) systems by integrating Non-Orthogonal Multiple Access (NOMA) with energy harvesting in a full-duplex (FD) environment.
Mirza Baber Baig   +5 more
doaj   +2 more sources

Secrecy Performance Enhancement Using Self-Interference Cancellation in Wireless Mutual Broadcast Networks for Proximity-Based Services [PDF]

open access: yesSensors
With the increasing demand for data exchange between nearby devices in proximity-based services, enhancing the security of wireless mutual broadcast (WMB) networks is crucial.
Taesoo Kwon, HyeonWoo LEE
doaj   +2 more sources

Weighted Scheduling Algorithm Based on In-Band Full-Duplex Link for Distributed WLAN [PDF]

open access: yesJisuanji kexue yu tansuo, 2022
Aiming at the problem of link scheduling fairness in the in-band full-duplex access process of distributed wireless local area network (WLAN), a full-duplex link scheduling algorithm based on nodal scheduling weights (W-FD) is proposed.
GUAN Zheng, HU Yang, YANG Zhijun, HE Min
doaj   +1 more source

FD-OMAC: A Novel Full-Duplex Optical Media Access Control for IEEE 802.15.7

open access: yesIEEE Access, 2021
Optical wireless communication (OWC), the IEEE 802.15.7 standard (revised 2018) is developed in normative reference to low-rate wireless personal area networks IEEE 802.15.4 standard.
Anjali Gupta   +3 more
doaj   +1 more source

Research on Security Performance of HetNets Based on In-band Wireless Backhaul [PDF]

open access: yesJisuanji gongcheng, 2018
In order to solve the problem of low physical layer security performance in heterogeneous networks,an In-Band Full-Duplex(IB-FD) wireless backhaul scheme is proposed.In massive Multiple Input Multiple Output (MIMO) two-tier HetNets,macro and small cell ...
XIE Mangang,JIA Xiangdong,ZHOU Meng,JI Shanshan,JIAO Jinliang,YANG Zheng
doaj   +1 more source

Cooperative Communications for Improving the Performance of Bidirectional Full-Duplex System With Multiple Reconfigurable Intelligent Surfaces

open access: yesIEEE Access, 2021
In this paper, we exploit the benefits of full-duplex (FD) transmission and reconfigurable intelligent surfaces (RISs) by considering a bidirectional full-duplex wireless communication system with the support of RISs.
Ba Cao Nguyen   +6 more
doaj   +1 more source

Self-interference cancellation in underwater acoustic communications systems using orthogonal pilots in IBFD

open access: yesActa Polytechnica, 2023
This paper proposes a Self-interference (SI) cancellation system model of Underwater acoustic (UWA) communication for in-band full-duplex (IBFD) technology.
Hala A. Naman, Ammar E. Abdelkareem
doaj   +1 more source

Ergodic Capacity and Outage Performance Analysis of Uplink Full-Duplex Cooperative NOMA System

open access: yesIEEE Access, 2020
We propose an uplink full-duplex (FD) cooperative non-orthogonal multiple access (NOMA) system, where a dedicated Full-duplex (FD) relay is used to help two uplink users transmitting information to the base station.
Xianbin Xie   +3 more
doaj   +1 more source

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