Results 11 to 20 of about 84,614 (170)

An on‐orbit calibration method for time delay of inter‐satellite link transponder in tracking and data relay satellite

open access: yesElectronics Letters, 2023
The tracking and data relay satellite (TDRS) in geosynchronous orbit (GEO) can provide ranging and communication services for user spacecraft in low Earth orbit (LEO) through the inter‐satellite link (ISL). The time delay of TDRS ISL transponder in orbit
Lei Wang   +3 more
doaj   +1 more source

SYSTEM SOFTWARE AT LABORATORY STAND „LIGHTS CONTROL ON THE BASIS OF PROGRAMMABLE LOGIC CONROLLER”

open access: yesInformatyka, Automatyka, Pomiary w Gospodarce i Ochronie Środowiska, 2022
The article is concerned with the issues of practical utilization of controllers for automation in various technical fields as example Mitsubishi controllers of MELSEC FX1N and FX3U series.
Laura Yesmakhanova   +2 more
doaj   +1 more source

A Novel Network Optimization Scheme Based on Anti-Flocking and Improved Nash Equilibrium Algorithm

open access: yesIEEE Access, 2023
Unmanned Aerial Vehicle (UAV) has very wide application prospect in aiding terrestrial cellular network communication, but it remains a challenge to optimize UAV locations and maximize user service rate during deployment.
Tianjun Wang   +6 more
doaj   +1 more source

Relay positioning for multicast relay networks [PDF]

open access: yes2013 IEEE International Symposium on Information Theory, 2013
The relay positioning problem is addressed for low signal-to-noise ratio Gaussian multicast relay networks where the objective is to maximize the multicast flow. A network coding based decode-and-forward (DF) strategy is presented that achieves strictly larger rates than a previously-studied routing based DF strategy.
Mohit Thakur, Gerhard Kramer
openaire   +1 more source

Development of an Android Based Home Automation System

open access: yesABUAD Journal of Engineering Research and Development, 2023
As automation technology keeps advancing, the future of modern homes is continually changing from manual system into automatic ones that include remote control process.
Nnamdi Okomba   +4 more
doaj   +1 more source

On Instantaneous Relaying

open access: yesIEEE Transactions on Information Theory, 2010
The Gaussian, three-node relay channel with orthogonal receive components (i.e., the transmitted signals from the source and the relay do not interfere with each other) is investigated. For such channels, linear relaying is a suboptimal strategy in general.
M. Khormuji, M. Skoglund
openaire   +1 more source

Coverage, Rate, and Last Hop Selection in Multi-Hop Communications in Highway Scenarios

open access: yesMathematics, 2022
The recent 3GPP initiative to extend IAB technology to mobile nodes in recently stated Release 18 opens up new opportunities for services operators in highway scenarios, where the extreme density of base stations (BS) is required to deliver uninterrupted
Vitalii Beschastnyi   +4 more
doaj   +1 more source

Multi-Task Partial Offloading with Relay and Adaptive Bandwidth Allocation for the MEC-Assisted IoT

open access: yesSensors, 2022
The fifth-generation (5G) wireless network is visualized to offer many types of services with low latency requirements in Internet of Things (IoT) networks.
Hafiz Hasnain Imtiaz, Suhua Tang
doaj   +1 more source

Network-Coding-based Jamming With Triple Transmission Time Slots: A Method To Secure Transmission In An Extreme Case of Source-Wiretapping and Unshared Jamming Signal [PDF]

open access: yesEAI Endorsed Transactions on Industrial Networks and Intelligent Systems, 2021
This article resolves an extreme case in physical layer security: an eavesdropper, located near to a source, can spy on the jamming-seed if it is just cryptographically shared. The direct link between the source and destination is even unavailable.
Truc Tran
doaj   +1 more source

Incremental Relaying with Partial Relay Selection

open access: yesIEICE Transactions on Communications, 2010
We propose an incremental relaying protocol in conjunction with partial relay selection with the aim of making efficient use of the degrees of freedom of the channels as well as improving the performance of dual hop relaying with partial relay selection (DRPRS).
Vo Nguyen Quoc Bao, Hyung Yun Kong
openaire   +1 more source

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