Results 91 to 100 of about 430,021 (330)

Interference Calculation in Asynchronous Random Access Protocols using Diversity

open access: yes, 2015
The use of Aloha-based Random Access protocols is interesting when channel sensing is either not possible or not convenient and the traffic from terminals is unpredictable and sporadic.
Meloni, Alessio, Murroni, Maurizio
core   +1 more source

All‐Printed, Flexible, Organic Thermoelectric Generators for Ambient Operation with Enhanced Performance under Mechanical Bending

open access: yesAdvanced Materials Technologies, EarlyView.
Fully printed bipolar organic thermoelectric generators are fabricated on flexible substrates and characterized entirely under ambient conditions. The devices exhibit Seebeck coefficients up to 30 µV K−1 and output powers up to 8.8 nW, with enhanced performance under bending.
Loup Chopplet   +7 more
wiley   +1 more source

Full‐Domain 3D Digital Twin for Comprehensive Analysis and Validation of Standing Surface Acoustic Wave Generation on LiNbO3 Substrate

open access: yesAdvanced Materials Technologies, EarlyView.
A full‐domain 3D digital twin of a standing surface acoustic wave (SSAW) device on 128° YX LiNbO3 is developed and experimentally validated. The predictive power of the model is confirmed by electrical characterisation and laser Doppler vibrometry measurements, which show excellent agreement with simulations.
Felice Alberto Sfregola   +6 more
wiley   +1 more source

Toward AI-Mediated Avatar-Based Telecommunication: Investigating Visual Impression of Switching Between User- and AI-Controlled Avatars in Video Chat

open access: yesIEEE Access
Telecommunications technology has evolved rapidly, creating opportunities to diversify the communication culture through AI mediation. We anticipate that people will interchangeably use both user-controlled (controlled by transferring user movements) and
Shigeo Yoshida   +2 more
doaj   +1 more source

Knowledge Creation and Firm Performance: Is Innovation the Missing Link? [PDF]

open access: yesPakistan Journal of Commerce and Social Sciences, 2017
This research analyzes the interrelationship among knowledge creation, innovation and firm performance using 350 surveys distributed to middle managers of three Pakistani telecommunication companies.
Syed Harris Laeeque (Corresponding author)
doaj  

Lost Silence: An emergency response early detection service through continuous processing of telecommunication data streams

open access: yes, 2019
Early detection of significant traumatic events, e.g. a terrorist attack or a ship capsizing, is important to ensure that a prompt emergency response can occur.
Gray, Alasdair J. G.   +4 more
core  

Design and Fabrication of High Dielectric GRIN Lens for a Directive Antenna Using a Hybrid Filled Voxel Additive Manufacturing Technique

open access: yesAdvanced Materials Technologies, EarlyView.
Hybrid‐filled voxel AM enables integration of high‐permittivity materials into additively manufactured devices. Using this approach, a graded refractive index (GRIN) lens is demonstrated, achieving a 50% antenna size reduction with enhanced directivity.
Qianfang Zheng   +4 more
wiley   +1 more source

Three Network Dynamics in Iran: A McLuhanian Account

open access: yesInternational Journal of Communication, 2018
This article offers a new macrohistorical model of telecommunication and social relations with a focus on Iran as a case study. It shows how networks, as complex interacting forms of social associations, undergo historical changes through developments ...
Mehdi Mohsenian-Rad, Babak Rahimi
doaj  

Protecting Children in Cyberspace [PDF]

open access: yes
This essay was written for the Essay competition organized by Pakistan Telecommunication Authority on World Telecommunication and Information Society Day May 2009.
Ali, Muhammad
core   +1 more source

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