Results 61 to 70 of about 353,955 (333)

Telecommunications Network Through Signal Injection Power "Power Line Communication" Network Connection Internet as an Alternative [PDF]

open access: yes, 2006
The flow of electric current in a sinusoidal wave form apparently can be used for voice communication and data signals known as Powerline Communications (PLC).
Chandra, Y. I. (Yudi)
core  

Intersystem soft handover for converged DVB-H and UMTS networks [PDF]

open access: yes, 2008
Digital video broadcasting for handhelds (DVB-H) is the standard for broadcasting Internet Protocol (IP) data services to mobile portable devices. To provide interactive services for DVB-H, the Universal Mobile Telecommunications System (UMTS) can be ...
Owens, TJ, Yang, X
core   +2 more sources

Drawing telecommunication networks [PDF]

open access: yes, 1995
The design and analysis of cost effective survivable telecommunication networks is a very important problem. We study techniques for visualizing survivable telecommunication networks. The visualization of telecommunication networks is very useful in aiding the design process of minimum cost networks and the management of network operations.
Ioannis G. Tollis, Chunliang Xia
openaire   +1 more source

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

Sistemas de resumen automático de documentos

open access: yesDigithum, 2001
La aparición de la WWW y de Internet como red de telecomunicaciones, han cambiado el concepto de lo que se considera información: no está mejor informado quien más datos posee, sino quien dispone de mejores medios para obtener exclusivamente los datos ...
Salvador Climent Roca
doaj   +1 more source

Neutral‐pH Electropolymerization of Aniline on Hierarchically Porous Laser‐Induced Graphene Electrodes for Dual Biosensing

open access: yesAdvanced Materials Technologies, EarlyView.
Neutral‐pH electropolymerization of aniline on laser‐induced graphene (LIG) produces stable, brush‐like polyaniline coatings without requiring acidic conditions. The resulting PANI–LIG electrodes exhibit enhanced electroactive surface area, efficient charge transfer, and dual sensing capability for β‐blockers and pH, providing a scalable platform ...
Angelika Łepek   +6 more
wiley   +1 more source

The analysis of telecom operator's revenue dependence on different routing and interconnection charging methods

open access: yesTechnological and Economic Development of Economy, 2012
Telecommunication operators endeavour to offer their users numerous services and, at the same time, to be competitive with other operators at the market while accomplishing high revenue.
Aleksandra Kostić-Ljubisavljević   +2 more
doaj   +1 more source

Fabrication Technologies for Soft, Multimaterial Optical Fibers for In Vivo Diagnostics and Phototherapy, With a Focus on Extrusion Printing

open access: yesAdvanced Materials Technologies, EarlyView.
Soft multimaterial optical fibers integrate multiple functionalities—such as waveguiding, side emission, sensing, drug delivery or actuation—into a single filament for wearable, implantable, and tissue‐integrated devices for diagnostics and phototherapy.
Zahra Kafrashian   +2 more
wiley   +1 more source

Business model requirements and challenges in the mobile telecommunication sector [PDF]

open access: yes, 2009
The telecommunications business is undergoing a critical revolution, driven by innovative technologies, globalization, and deregulation. Cellular networks and telecommunications bring radical changes to the way telecom businesses are conducted ...
Al-Debei, MM, Avison, D
core  

Advances in Safe, Flexible, and Stretchable Batteries for Wearable Applications

open access: yesAdvanced Materials Technologies, EarlyView.
Unlike previous reviews centered on component‐based deformability, this work highlights safety‐driven design strategies for flexible and stretchable batteries. By integrating material‐level engineering, geometry‐controlled structures, biocompatibility, and self‐protection mechanisms, it establishes a unified framework that connects mechanical ...
Hyewon Kang   +4 more
wiley   +1 more source

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