Results 91 to 100 of about 2,704,502 (397)

Features of radio communication organization in lugging areas [PDF]

open access: yesBIO Web of Conferences
: in order to ensure stable communication between subscribers at a considerable distance in the process of logging in hard-to-reach areas with complex terrain, at logging enterprises, between the dispatcher and structural units, as well as the ...
Zhaivoronok Denis   +3 more
doaj   +1 more source

A Generic Signaling Framework for Seamless Mobility in Heterogeneous Wireless Networks [PDF]

open access: yesarXiv, 2011
In recent years several wireless communication standards have been developed and more are expected, each with different scope in terms of spatial coverage, radio access capabilities, and mobility support. Heterogeneous networks combine multiple of these radio interfaces both in network infrastructure and in user equipment which requires a new multi ...
arxiv  

Cloud Offloading for Multi-Radio Enabled Mobile Devices [PDF]

open access: yes, 2015
The advent of 5G networking technologies has increased the expectations from mobile devices, in that, more sophisticated, computationally intense applications are expected to be delivered on the mobile device which are themselves getting smaller and sleeker.
arxiv   +1 more source

The Front end of Software-Defined Radio: Possibilities and Challenges [PDF]

open access: yes, 2001
The use of mobile telephony has shown a spectacular\ud growth in the last 10 years. A side effect of this rapid\ud growth is an excess of mobile system standards.
Hoeksema, F.W.   +2 more
core   +4 more sources

Cloud RAN for Mobile Networks—A Technology Overview

open access: yesIEEE Communications Surveys and Tutorials, 2015
Cloud Radio Access Network (C-RAN) is a novel mobile network architecture which can address a number of challenges the operators face while trying to support growing end-user's needs.
Aleksandra Checko   +6 more
semanticscholar   +1 more source

Electrically Insulating Electromagnetic Interference Shielding Materials: A Perspective

open access: yesAdvanced Functional Materials, EarlyView.
Developing electromagnetic interference (EMI) shielding materials with inherent electrical insulation and high EMI shielding effectiveness is challenging but important for electronic applications. This perspective summarizes the recent advancements in designing electrically insulating EMI shielding materials and discusses the underlying mechanisms of ...
Ji Liu, Valeria Nicolosi
wiley   +1 more source

Interworking Scheme Using Optimized SIP Mobility for MultiHomed Mobile Nodes in Wireless Heterogeneous Networks [PDF]

open access: yesarXiv, 2009
Nowadays, mobile users wish to use their multi-interface mobile devices to access the Internet through network points of attachment (PoA) based on heterogeneous wireless technologies. They also wish to seamlessly change the PoAs during their ongoing sessions to improve service quality and/or reduce monetary cost.
arxiv  

Environmentally Stable and Highly Crystalline MXenes for Multispectral Electromagnetic Shielding up to Millimeter Waves

open access: yesAdvanced Functional Materials, EarlyView.
This study presents excellent EMI shielding effectiveness of highly crystalline HC‐Ti3C2Tx MXene, characterized by high electrical conductivity, outstanding environmental stability, and facile processability, across a multispectral frequency range from 100 kHz to 110 GHz. It is revealed that increasing the thickness and electrical conductivity of MXene
Aamir Iqbal   +13 more
wiley   +1 more source

Removing Homocoupling Defects in Alkoxy/Alkyl‐PBTTT Enhances Polymer:Fullerene Co‐Crystal Formation and Stability

open access: yesAdvanced Functional Materials, EarlyView.
PBTTT‐OR‐R, a C14‐alkoxy/alkyl‐PBTTT polymer derivative, is of substantial interest for optoelectronics due to its specific fullerene intercalation behavior and enhanced charge‐transfer absorption. Comparing this polymer with (S) and without (O) homocoupling defects reveals that PBTTT‐OR‐R(O) forms stable co‐crystals with PC61BM, while PBTTT‐OR‐R(S ...
Zhen Liu   +14 more
wiley   +1 more source

Performance of Modeling wireless networks in realistic environment [PDF]

open access: yesInternational Journal of Computer Networks Volume:2, Issue:1, pages 62-79 (2010), 2012
A wireless network is realized by mobile devices which communicate over radio channels. Since, experiments of real life problem with real devices are very difficult, simulation is used very often. Among many other important properties that have to be defined for simulative experiments, the mobility model and the radio propagation model have to be ...
arxiv  

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