Results 1 to 10 of about 129,696 (145)

Invalid-Resource-Aware Spectrum Assignment for Advanced-Reservation Traffic in Elastic Optical Network [PDF]

open access: yesSensors, 2020
Elastic optical networks (EONs) can make service accommodation more flexible and precise by employing efficient routing and spectrum allocation (RSA) algorithms. In order to improve the efficiency of RSA algorithms, the advanced-reservation technique was
Shufang He, Yang Qiu, Jing Xu
doaj   +2 more sources

Distance‐adaptive routing and spectrum assignment in rings [PDF]

open access: yesIET Networks, 2016
Distance adaptive spectrum allocation exploits the tradeoff between spectrum width and reach to improve resource utilisation by tailoring the modulation format to the level of impairments along the path.
Sahar Talebi   +2 more
doaj   +2 more sources

A Bandwidth-Balanced RMLSA Solution for Static Elastic Optical Network: A Two Stages Approach

open access: yesIEEE Access, 2022
This paper addresses one of the main tasks in transparent static elastic optical networks (EONs), known as the routing, modulation level, and spectrum assignment (RMLSA) problem.
Jorge Bermudez   +2 more
doaj   +1 more source

Maximum-Service Channel Assignment in Vehicular Radar-Communication

open access: yesIEEE Access, 2021
Spectrum sharing between different technologies has become a necessity as the RF spectrum has become more congested than ever due to the increasing number of connected devices and applications all wishing to access the spectrum simultaneously.
Mai Kafafy   +2 more
doaj   +1 more source

TRANSIÇÕES ELETRÔNICAS EM α-Fe2O3: MODELOS TEÓRICOS E LIMITAÇÕES [PDF]

open access: yesQuímica Nova, 2023
ELECTRONIC TRANSITIONS IN α-FE2O3: THEORETICAL MODELS AND LIMITATIONS. Addressing electronic transitions of hematite (α-Fe2O3) is still considered a topic in active debate, even though it is one of the most widely used compounds from ancient times to the
Isabela F. S. Santos   +1 more
doaj   +1 more source

Utilization and fairness in spectrum assignment for opportunistic spectrum access [PDF]

open access: yesMobile Networks and Applications, 2006
The Open Spectrum approach to spectrum access can achieve near-optimal utilization by allowing devices to sense and utilize available spectrum opportunistically. However, a naive distributed spectrum assignment can lead to significant interference between devices. In this paper, we define a general framework that defines the spectrum access problem for
Peng, ChunYi, Zheng, Haitao, Zhao, Ben Y
openaire   +2 more sources

A New Bi-Level Mathematical Model and Algorithm for VONs Mapping Problem

open access: yesIEEE Access, 2020
Elastic optical networks (EONs) virtualization can allow the virtual optical networks (VONs) to utilize all the physical resources of EONs, and can attain a high performance of the networks.
Hejun Xuan   +4 more
doaj   +1 more source

Temporal and Spectral 2D Fragmentation-Aware RMSA Algorithm for Advance Reservation Requests in EONs

open access: yesIEEE Access, 2021
In this paper, we explore the problem of routing, modulation and spectrum assignment (RMSA) for advance reservation (AR) requests in elastic optical networks (EONs), with the objective to further reduce the blocking probability and improve the spectrum ...
Yan Liu   +3 more
doaj   +1 more source

A Topology-Based Spectrum Assignment Solution for Static Elastic Optical Networks With Ring Topologies

open access: yesIEEE Access, 2020
On designing elastic optical networks, one of the main tasks to be solved is to allocate enough spectrum on the users' paths to achieve communication to all network users, known as the Spectrum Assignment problem (SA).
Nicolas Jara   +2 more
doaj   +1 more source

Distributed spectrum assignment for home WLANs [PDF]

open access: yes2013 Proceedings IEEE INFOCOM, 2013
We consider the problem of jointly allocating channel center frequencies and bandwidths for IEEE 802.11 wireless LANs (WLANs). The bandwidth used on a link affects significantly both the capacity experienced on this link and the interference produced on neighboring links.
Julien Herzen   +2 more
openaire   +1 more source

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