, 2007 We develop distributed algorithms to allocate resources in multi-hop wireless networks with the aim of minimizing total cost. In order to observe the fundamental duplexing constraint that co-located transmitters and receivers cannot operate ...
Xi, Yufang, Yeh, Edmund M.
core +1 more source
Imprecise Markov Models for Scalable and Robust Performance Evaluation of Flexi-Grid Spectrum Allocation Policies [PDF]
, 2018 The possibility of flexibly assigning spectrum resources with channels of different sizes greatly improves the spectral efficiency of optical networks, but can also lead to unwanted spectrum fragmentation.We study this problem in a scenario where traffic
De Bock, Jasper +3 more
core +3 more sources
Impact of EU duty cycle and transmission power limitations for sub-GHz LPWAN SRDs : an overview and future challenges [PDF]
, 2019 Long-range sub-GHz technologies such as LoRaWAN, SigFox, IEEE 802.15.4, and DASH7 are increasingly popular for academic research and daily life applications.
De Poorter, Eli +3 more
core +1 more source
ENERGY EFFICIENT ROUTING IN COGNITIVE RADIO NETWORKS: CHALLENGES AND EXISTING SOLUTIONS [PDF]
ICTACT Journal on Communication Technology, 2015 Dynamic Spectrum Allocation using Cognitive Radio (CR) is a promising solution to the spectrum availability problem in wireless networks. Cognitive Radio, however, opens up certain new issues, mainly at the physical, medium access control and routing ...
K. Lakshmana Rao +2 more
doaj
3D Fragmentation Metric and RCSA Scheme for Space Division Multiplexing Elastic Optical Networks
IEEE Access, 2020 The space division multiplexing elastic optical networks (SDM-EONs) based on multi-core fiber (MCF) are an effective solution to improve transmission capacity.
Juan Zhang +5 more
doaj +1 more source
Channel-Based RSA Approaches for QoS Protection of Slices Over Elastic Optical Networks
IEEE Access, 2022 Resource efficiency and survivability are critical concerns in elastic optical networks (EONs) with virtualization. In this paper, we investigate some important aspects in network survivability design against single-link failure under dedicated ...
Karcius Day Rosario Assis +8 more
doaj +1 more source
On QoS-assured degraded provisioning in service-differentiated multi-layer elastic optical networks
, 2017 The emergence of new network applications is driving network operators to not only fulfill dynamic bandwidth requirements, but offer various grades of service. Degraded provisioning provides an effective solution to flexibly allocate resources in various
Figueiredo, Gustavo B. +6 more
core +1 more source
Network coding-based routing and spectrum allocation in elastic optical networks for enhanced physical layer security [PDF]
Photonic network communications, 2020 In this work, an eavesdropping-aware routing and spectrum allocation approach is proposed utilizing network coding (NC) in elastic optical networks (EONs).
G. Savva, K. Manousakis, G. Ellinas
semanticscholar +1 more source
Dynamic routing and spectrum allocation in elastic optical networks
, 2023 Triggered by emerging services such as high-definition video distribution or social networking, the IP traffic volume has been exponentially increasing to date. Furthermore, the traffic growth rate will not stop here due to the day by day technology advances.
openaire +4 more sources
FEBS Letters, EarlyView.We reconstituted Synechocystis glycogen synthesis in vitro from purified enzymes and showed that two GlgA isoenzymes produce glycogen with different architectures: GlgA1 yields denser, highly branched glycogen, whereas GlgA2 synthesizes longer, less‐branched chains.
Kenric Lee +3 more
wiley +1 more source