Dynamic adaptive spectrum allocation in flexible grid optical network with multi‐path routing

U Ujjwal, N Mahala, J Thangaraj - IET Communications, 2021 - Wiley Online Library
… Moreover, the new concept of bordering super-channels (B-… network optimization purposes,
viz monitoring the network … usage and guard-band consumption in the network. However, …

Flexi-grid technology: a necessity for spectral resource utilization

D Sharma, S Singh, A Upadhyay… - Sub-Micron …, 2022 - taylorfrancis.com
… to guard band at both … flexible grid transceivers, Flex-Reconfigurable optical add-drop
multiplexer (ROADM), DAC, ADC and DSP module, etc. Control over this flexi-grid superchannel

Optical Switching Systems and Flex-Grid Technologies

M Svaluto Moreolo, S Spadaro, N Calabretta - … Radio and Optical Networks …, 2023 - Springer
… to a flexible grid. Thus, different slot sizes can be chosen, and the channel guard-band … This
technology allows allocation of multiple flexible-rate, super-channels, and spectral channels …

Smart provisioning of sliceable bandwidth variable transponders in elastic optical networks

MU Masood, I Khan, A Ahmad… - … on Network …, 2020 - ieeexplore.ieee.org
… performance in the presence of superchannels, in which lower … (IP) over flexible-grid optical
network. The physical topology … 2 GHz of guard-band is required as internal guard-band [20]. …

Dynamic routing, spectrum, and modulation-format allocation in mixed-grid optical networks

T Ahmed, S Rahman, S Ferdousi… - … and Networking, 2020 - opg.optica.org
… The elastic optical network (EON), by adopting a flexible grid, … utilization, the guard band
required between neighboring … upgraded, a high-rate superchannel can be set up between them…

High-speed Flexible Coherent Optical Transport Network

TJ Xia, GA Wellbrock - Datacenter Connectivity Technologies, 2022 - taylorfrancis.com
… (at its receiver end) at optical network nodes for loading and … 150-GHz bandwidth, no guard
band is reserved between the … bands between optical carriers in super-channels to further …

On the minimisation of resource utilisation for cost reduction in space division multiplexing based elastic optical networks

S Iyer - International Journal of Internet Protocol Technology, 2022 - inderscienceonline.com
… on efficient design and resource optimisation in the space … ), SpGl, and spectrum assignment
(RMFSpGlSA) problem with … GuBds amount between the super-channels on the other hand, …

Invalid-resource-aware spectrum assignment for advanced-reservation traffic in elastic optical network

S He, Y Qiu, J Xu - Sensors, 2020 - mdpi.com
effect on the decision of provisioning time for a service request and thus affect the optimization
… by a service M (including one guard band) with data rate C can be calculated as follows: …

Physical-Layer-Impairment-Aware Routing and Spectrum Allocation in Flexible Optical Networks

C Chen - 2021 - theses.hal.science
… will be enough to implement the superchannels, eg, 10 subcarriers … of spectrum resources
(real guard band could be larger than … transceivers, flexible optical switch, and flexible grid, we …

Metropolitan optical networks: A survey on single-layer architectures

LS de Sousa, AC Drummond - Optical Switching and Networking, 2023 - Elsevier
… Additionally, any attempt to optimize the multilayer network … dispersion and using a guard
band to improve detection in the … At the same time, with MEON, super-channels can be formed …