2016
P. Sarigiannidis; D. Pliatsios; T. Zygiridis; N. Kantartzis
DAMA: A data mining forecasting DBA scheme for XG-PONs Conference
2016.
Abstract | BibTeX | Tags: bandwidth allocation, k-nearest neighbors, Passive optical networks, XG-PON | Links:
@conference{Sarigiannidis2016b,
title = {DAMA: A data mining forecasting DBA scheme for XG-PONs},
author = { P. Sarigiannidis and D. Pliatsios and T. Zygiridis and N. Kantartzis},
url = {https://www.researchgate.net/publication/300413104_DAMA_A_data_mining_forecasting_DBA_scheme_for_XG-PONs},
doi = {10.1109/MOCAST.2016.7495169},
year = {2016},
date = {2016-01-01},
journal = {2016 5th International Conference on Modern Circuits and Systems Technologies, MOCAST 2016},
abstract = {The latest new generation passive optical network (NG-PON) standard, known as 10-gigabit-capable passive optical network (XG-PON), enables a very promising architecture that offers 10 Gbps nominal data delivery ratio in the downstream direction. The optical line terminal (OLT) is located within the CO and constitutes the main decision-making tank of the PON. OLT applies a dynamic bandwidth allocation (DBA) scheme for coordinating the transmission opportunities, especially in the upstream direction. According to the standard, a differential fibre distance of 40 km, between ONUs and OLT, is allowed. This outspread deployment implies high propagation delays which should be taken into account of designing the bandwidth allocation. This work is focused on proposing a cognitive DBA scheme which is capable of forecasting the additional bandwidth, which arrives in ONUs, during the transmission coordination between OLT and ONUs. The k-nearest neighbors (k-NN) algorithm is applied for forecasting the additional bandwidth requests of each ONU. In addition, the adopted algorithm is enhanced with an adaptive learning-based method which efficiently selects the most appropriate k value based on the traffic dynamics. © 2016 IEEE.},
keywords = {bandwidth allocation, k-nearest neighbors, Passive optical networks, XG-PON},
pubstate = {published},
tppubtype = {conference}
}
The latest new generation passive optical network (NG-PON) standard, known as 10-gigabit-capable passive optical network (XG-PON), enables a very promising architecture that offers 10 Gbps nominal data delivery ratio in the downstream direction. The optical line terminal (OLT) is located within the CO and constitutes the main decision-making tank of the PON. OLT applies a dynamic bandwidth allocation (DBA) scheme for coordinating the transmission opportunities, especially in the upstream direction. According to the standard, a differential fibre distance of 40 km, between ONUs and OLT, is allowed. This outspread deployment implies high propagation delays which should be taken into account of designing the bandwidth allocation. This work is focused on proposing a cognitive DBA scheme which is capable of forecasting the additional bandwidth, which arrives in ONUs, during the transmission coordination between OLT and ONUs. The k-nearest neighbors (k-NN) algorithm is applied for forecasting the additional bandwidth requests of each ONU. In addition, the adopted algorithm is enhanced with an adaptive learning-based method which efficiently selects the most appropriate k value based on the traffic dynamics. © 2016 IEEE.
C. Salis; T. Zygiridis; P. Sarigiannidis; N. Kantartzis
Unconditionally-stable time-domain approach for uncertainty assessment in transmission lines Conference
2016.
Abstract | BibTeX | Tags: | Links:
@conference{Salis2016,
title = {Unconditionally-stable time-domain approach for uncertainty assessment in transmission lines},
author = { C. Salis and T. Zygiridis and P. Sarigiannidis and N. Kantartzis},
url = {https://www.researchgate.net/publication/303112364_Unconditionally-Stable_Time-Domain_Approach_for_Uncertainty_Assessment_in_Transmission_Lines},
doi = {10.1109/MOCAST.2016.7495151},
year = {2016},
date = {2016-01-01},
journal = {2016 5th International Conference on Modern Circuits and Systems Technologies, MOCAST 2016},
abstract = {Uncertainties characterizing the per-unit-length parameters of transmission lines (TL) may have a significant impact on the properties of the propagating voltage and current waves that deterministic models tend to overlook. In this paper, we present an unconditionally-stable finite-difference time-domain (FDTD) algorithm that calculates the statistics of the involved field quantities, provided that the variability of the line characteristics is known. Being free from time-step restrictions, the proposed scheme is an extension of the standard stochastic FDTD method and exhibits better efficiency, esp. in densely discretized computational domains. Indicative results verify that uncertainty quantification in TL problems is possible in a reliable manner, even when larger than usual time-steps are selected. © 2016 IEEE.},
keywords = {},
pubstate = {published},
tppubtype = {conference}
}
Uncertainties characterizing the per-unit-length parameters of transmission lines (TL) may have a significant impact on the properties of the propagating voltage and current waves that deterministic models tend to overlook. In this paper, we present an unconditionally-stable finite-difference time-domain (FDTD) algorithm that calculates the statistics of the involved field quantities, provided that the variability of the line characteristics is known. Being free from time-step restrictions, the proposed scheme is an extension of the standard stochastic FDTD method and exhibits better efficiency, esp. in densely discretized computational domains. Indicative results verify that uncertainty quantification in TL problems is possible in a reliable manner, even when larger than usual time-steps are selected. © 2016 IEEE.
A. Papadimopoulos; V. Alreem; T. Zygiridis; P. Sarigiannidis; N. Kantartzis; C. Antonopoulos
Statistical analysis of microwave components through a 3-D stochastic-FDTD technique Conference
2016.
Abstract | BibTeX | Tags: | Links:
@conference{Papadimopoulos2016,
title = {Statistical analysis of microwave components through a 3-D stochastic-FDTD technique},
author = { A. Papadimopoulos and V. Alreem and T. Zygiridis and P. Sarigiannidis and N. Kantartzis and C. Antonopoulos},
url = {https://www.researchgate.net/publication/304456910_Statistical_analysis_of_microwave_components_through_a_3-D_stochastic-FDTD_technique},
doi = {10.1109/MOCAST.2016.7495163},
year = {2016},
date = {2016-01-01},
journal = {2016 5th International Conference on Modern Circuits and Systems Technologies, MOCAST 2016},
abstract = {The consistent modeling of microwave components with random fluctuations regarding their electromagnetic material parameters is performed in this paper via a 3-D stochastic finite-difference time-domain method. The featured formulation provides precise numerical results with a considerably smaller computational cost compared to the extensively resource-consuming Monte Carlo approach. Numerical simulations of microstrip transmission lines with media uncertainties are conducted in order to verify the accuracy of the proposed technique along with its effectiveness to investigate the operation of complicated microwave structures in a stochastic environment. © 2016 IEEE.},
keywords = {},
pubstate = {published},
tppubtype = {conference}
}
The consistent modeling of microwave components with random fluctuations regarding their electromagnetic material parameters is performed in this paper via a 3-D stochastic finite-difference time-domain method. The featured formulation provides precise numerical results with a considerably smaller computational cost compared to the extensively resource-consuming Monte Carlo approach. Numerical simulations of microstrip transmission lines with media uncertainties are conducted in order to verify the accuracy of the proposed technique along with its effectiveness to investigate the operation of complicated microwave structures in a stochastic environment. © 2016 IEEE.
P. Sarigiannidis; D. Pliatsios
Direct and Indirect Access in Machine Type Communications: An Analytical Approach Conference
Proceedings of the 11th EAI International Conference on Body Area Networks, BodyNets '16 ICST (Institute for Computer Sciences, Social-Informatics and Telecommunications Engineering), Turin, Italy, 2016, ISBN: 9781631901324.
Abstract | BibTeX | Tags: Coverage, Deployment, LTE, M2M, Relay | Links:
@conference{10.5555/3068615.3068657,
title = {Direct and Indirect Access in Machine Type Communications: An Analytical Approach},
author = { P. Sarigiannidis and D. Pliatsios},
url = {https://www.researchgate.net/publication/311675523_Direct_and_Indirect_Access_in_Machine_Type_Communications_An_Analytical_Approach},
isbn = {9781631901324},
year = {2016},
date = {2016-01-01},
booktitle = {Proceedings of the 11th EAI International Conference on Body Area Networks},
pages = {191–195},
publisher = {ICST (Institute for Computer Sciences, Social-Informatics and Telecommunications Engineering)},
address = {Turin, Italy},
series = {BodyNets '16},
abstract = {Machine-to-machine (M2M) communications have emerged as a cost-effective, flexible and efficient solution of facilitating the penetration of independent 'things' and machines in local networks and systems. The latest releases of long-term evolution (LTE) such as LTE-Advanced (LTE-A) are being transformed to support the migration of M2M devices to end terminals. 3GPP supports the definition of technical requirements and functional specifications that allows the adapting of existing technologies to support machine type communications (MTC) and the optimization of the design of advanced standards (e.g., LTE-A) for efficient data delivery. According to ETSI M2M architecture three types of MTC access methods are supported, the direct access, the gateway access and the coordinator access. An MTC can access an evolved NodeB (eNB) with or without relay nodes. Hence coverage and connectivity issues appear on designing and deploying MTC architectures. This work is focused on studying and analyzing the probability of having at least k machine devices connected in modern cellular network, where the deployed M2M devices are directly or indirectly connected to the eNB node. The provided analytic framework is verified by simulation results that indicate suitable deployment conditions in specific MTC scenarios.},
keywords = {Coverage, Deployment, LTE, M2M, Relay},
pubstate = {published},
tppubtype = {conference}
}
Machine-to-machine (M2M) communications have emerged as a cost-effective, flexible and efficient solution of facilitating the penetration of independent 'things' and machines in local networks and systems. The latest releases of long-term evolution (LTE) such as LTE-Advanced (LTE-A) are being transformed to support the migration of M2M devices to end terminals. 3GPP supports the definition of technical requirements and functional specifications that allows the adapting of existing technologies to support machine type communications (MTC) and the optimization of the design of advanced standards (e.g., LTE-A) for efficient data delivery. According to ETSI M2M architecture three types of MTC access methods are supported, the direct access, the gateway access and the coordinator access. An MTC can access an evolved NodeB (eNB) with or without relay nodes. Hence coverage and connectivity issues appear on designing and deploying MTC architectures. This work is focused on studying and analyzing the probability of having at least k machine devices connected in modern cellular network, where the deployed M2M devices are directly or indirectly connected to the eNB node. The provided analytic framework is verified by simulation results that indicate suitable deployment conditions in specific MTC scenarios.
G. Vasileiou; G.I. Papadimitriou; P. Nicopolitidis; P.G. Sarigiannidis
An effective resource allocation medium access control protocol for radio-over-fiber access networks based on wavelength reuse Journal Article
In: Computer Communications, vol. 88, pp. 45-56, 2016.
Abstract | BibTeX | Tags: 60 GHz wireless network, Best-fit algorithm, Bottleneck, Medium access control (MAC) protocol, Multipoint control protocol(MPCP), Radio-over-fiber (RoF) network, Simple polling adaptive protocol, Wavelength division multiplexing ethernet passive optical network (WDM-EPON) | Links:
@article{Vasileiou201645,
title = {An effective resource allocation medium access control protocol for radio-over-fiber access networks based on wavelength reuse},
author = { G. Vasileiou and G.I. Papadimitriou and P. Nicopolitidis and P.G. Sarigiannidis},
url = {https://www.researchgate.net/publication/302919670_An_Effective_Resource_Allocation_Medium_Access_Control_Protocol_for_Radio-Over-Fiber_Access_Networks_Based_on_Wavelength_Reuse},
doi = {10.1016/j.comcom.2016.05.001},
year = {2016},
date = {2016-01-01},
journal = {Computer Communications},
volume = {88},
pages = {45-56},
abstract = {Users' rapidly increasing demands for bandwidth and mobility in conjunction with the surge of delay-sensitive applications, creates the necessity for further research and development of new energy- and cost-effective technologies such as radio-over-fiber (RoF) and radio-and-fiber (R&F). The research community is dealing with medium access control (MAC) protocol design for RoF networks, so that it can support bandwidth-demanding multimedia services such as voice over IP, video on demand, video conferencing, etc. In this work, a novel MAC protocol for RoF access networks is proposed, which is based on a modification of the multipoint control protocol (MPCP). The network's decision centre receives detailed feedback from the mobile client queues via MPCP's GATE/REPORT mechanism so as to efficiently allocate the bandwidth and the wavelength resources in a dynamic manner. The novelty of this protocol is that since wavelength reuse is achieved a single wavelength can be used by more than one remote antenna unit (Rau). The proposed MAC protocol also adapts its operation according to the clients' actual traffic demands and manages to exploit the huge capacity that the optical medium provides. Furthermore, a best-fit algorithm is applied in order to achieve further optimization. Simulation results reveal the superior performance and the better scalability of the proposed protocol compared with similar proposals reported in the literature. © 2016 Elsevier B.V.},
keywords = {60 GHz wireless network, Best-fit algorithm, Bottleneck, Medium access control (MAC) protocol, Multipoint control protocol(MPCP), Radio-over-fiber (RoF) network, Simple polling adaptive protocol, Wavelength division multiplexing ethernet passive optical network (WDM-EPON)},
pubstate = {published},
tppubtype = {article}
}
Users' rapidly increasing demands for bandwidth and mobility in conjunction with the surge of delay-sensitive applications, creates the necessity for further research and development of new energy- and cost-effective technologies such as radio-over-fiber (RoF) and radio-and-fiber (R&F). The research community is dealing with medium access control (MAC) protocol design for RoF networks, so that it can support bandwidth-demanding multimedia services such as voice over IP, video on demand, video conferencing, etc. In this work, a novel MAC protocol for RoF access networks is proposed, which is based on a modification of the multipoint control protocol (MPCP). The network's decision centre receives detailed feedback from the mobile client queues via MPCP's GATE/REPORT mechanism so as to efficiently allocate the bandwidth and the wavelength resources in a dynamic manner. The novelty of this protocol is that since wavelength reuse is achieved a single wavelength can be used by more than one remote antenna unit (Rau). The proposed MAC protocol also adapts its operation according to the clients' actual traffic demands and manages to exploit the huge capacity that the optical medium provides. Furthermore, a best-fit algorithm is applied in order to achieve further optimization. Simulation results reveal the superior performance and the better scalability of the proposed protocol compared with similar proposals reported in the literature. © 2016 Elsevier B.V.
X Fu; Li A.; P. Sarigiannidis
Three-phase Cooperative Jamming Based Improving PHY Security for Multicast Network with an Untrusted Relay Journal Article
In: International Journal of Future Generation Communication and Networking, vol. 9, no. 12, pp. 87-96, 2016.
Abstract | BibTeX | Tags: | Links:
@article{Sarigiannidis201671,
title = {Three-phase Cooperative Jamming Based Improving PHY Security for Multicast Network with an Untrusted Relay},
author = { X Fu and Li A. and P. Sarigiannidis},
url = {https://www.researchgate.net/publication/312343020_Three-phase_Cooperative_Jamming_Based_Improving_PHY_Security_for_Multicast_Network_with_an_Untrusted_Relay},
doi = {10.1049/iet-net.2015.0087},
year = {2016},
date = {2016-01-01},
journal = {International Journal of Future Generation Communication and Networking},
volume = {9},
number = {12},
pages = {87-96},
abstract = {The standardisation of the 10 GB-capable passive optical network (XG-PON) system is accompanied by a rigorous set of recommendations. Power reduction in XG-PONs is considered a quite important topic by the telecommunication standardisation sector (ITU-T), thus, with importance of energy saving, XG-PON recommendation describes power management processes in detail. The core power management process comprises distinct states representing the desired power management transitions, while two modes: namely, the doze and the cyclic sleep mode, are defined. This study provides an analytical model for power consumption computation of an optical network unit (ONU), assuming that the two modes are enabled in the ONU operation. The presented analytical findings are verified by conducting extensive simulation experiments. Concurrently, the average time spent on doze and cyclic sleep states is provided. © The Institution of Engineering and Technology 2016.},
keywords = {},
pubstate = {published},
tppubtype = {article}
}
The standardisation of the 10 GB-capable passive optical network (XG-PON) system is accompanied by a rigorous set of recommendations. Power reduction in XG-PONs is considered a quite important topic by the telecommunication standardisation sector (ITU-T), thus, with importance of energy saving, XG-PON recommendation describes power management processes in detail. The core power management process comprises distinct states representing the desired power management transitions, while two modes: namely, the doze and the cyclic sleep mode, are defined. This study provides an analytical model for power consumption computation of an optical network unit (ONU), assuming that the two modes are enabled in the ONU operation. The presented analytical findings are verified by conducting extensive simulation experiments. Concurrently, the average time spent on doze and cyclic sleep states is provided. © The Institution of Engineering and Technology 2016.
P. Sarigiannidis; M. Louta; G. Papadimitriou; M. Theologou
Analysing the optical network unit power consumption in the 10 GB-capable passive optical network systems Journal Article
In: IET Networks, vol. 5, no. 3, pp. 71-79, 2016.
Abstract | BibTeX | Tags: | Links:
@article{Sarigiannidis201671b,
title = {Analysing the optical network unit power consumption in the 10 GB-capable passive optical network systems},
author = { P. Sarigiannidis and M. Louta and G. Papadimitriou and M. Theologou},
url = {https://www.researchgate.net/publication/301824855_Analysing_the_optical_network_unit_power_consumption_in_the_10_GB-capable_passive_optical_network_systems},
doi = {10.1049/iet-net.2015.0087},
year = {2016},
date = {2016-01-01},
journal = {IET Networks},
volume = {5},
number = {3},
pages = {71-79},
abstract = {The standardisation of the 10 GB-capable passive optical network (XG-PON) system is accompanied by a rigorous set of recommendations. Power reduction in XG-PONs is considered a quite important topic by the telecommunication standardisation sector (ITU-T), thus, with importance of energy saving, XG-PON recommendation describes power management processes in detail. The core power management process comprises distinct states representing the desired power management transitions, while two modes: namely, the doze and the cyclic sleep mode, are defined. This study provides an analytical model for power consumption computation of an optical network unit (ONU), assuming that the two modes are enabled in the ONU operation. The presented analytical findings are verified by conducting extensive simulation experiments. Concurrently, the average time spent on doze and cyclic sleep states is provided. © The Institution of Engineering and Technology 2016.},
keywords = {},
pubstate = {published},
tppubtype = {article}
}
The standardisation of the 10 GB-capable passive optical network (XG-PON) system is accompanied by a rigorous set of recommendations. Power reduction in XG-PONs is considered a quite important topic by the telecommunication standardisation sector (ITU-T), thus, with importance of energy saving, XG-PON recommendation describes power management processes in detail. The core power management process comprises distinct states representing the desired power management transitions, while two modes: namely, the doze and the cyclic sleep mode, are defined. This study provides an analytical model for power consumption computation of an optical network unit (ONU), assuming that the two modes are enabled in the ONU operation. The presented analytical findings are verified by conducting extensive simulation experiments. Concurrently, the average time spent on doze and cyclic sleep states is provided. © The Institution of Engineering and Technology 2016.
2015
P. Sarigiannidis; M. Louta; G. Papadimitriou; P. Nicopolitidis; K. Diamantaras; I. Tinnirello; C. Verikoukis
A metaheuristic bandwidth allocation scheme for FiWi networks using Ant Colony Optimization Conference
2015 IEEE Symposium on Communications and Vehicular Technology in the Benelux (SCVT), IEEE, 2015.
Abstract | BibTeX | Tags: | Links:
@conference{Sarigiannidis2016c,
title = {A metaheuristic bandwidth allocation scheme for FiWi networks using Ant Colony Optimization},
author = { P. Sarigiannidis and M. Louta and G. Papadimitriou and P. Nicopolitidis and K. Diamantaras and I. Tinnirello and C. Verikoukis},
url = {https://www.researchgate.net/publication/303819245_A_Metaheuristic_Bandwidth_Allocation_Scheme_for_FiWi_Networks_Using_Ant_Colony_Optimization},
doi = {10.1109/SCVT.2015.7374242},
year = {2015},
date = {2015-11-01},
booktitle = {2015 IEEE Symposium on Communications and Vehicular Technology in the Benelux (SCVT)},
journal = {2015 IEEE Symposium on Communications and Vehicular Technology in the Benelux, SCVT 2015},
publisher = {IEEE},
abstract = {Optical-wireless access networks constitute a quite attractive solution to meet the ever-increasing bandwidth requirements of end-users, offering significant benefits such as ubiquitous coverage in the wireless domain and huge bandwidth in the optical domain. However, converging optical and wireless networking technologies, with Passive Optical Networks (PONs) and 4G wireless standards, such as the Worldwide Interoperability for Microwave Access (WiMAX) and the Long Term Evolution (LTE), entails major challenges that need to be addressed. In this context, designing an efficient and fair bandwidth distribution with Quality of Service (QoS) support is a difficult task due to the interdependence of resource allocation process to both optical and wireless domains. Specifically, the bandwidth distribution in the optical domain has to be aware of the mobile user heterogeneity in the wireless domain, while in the wireless domain the allocation process depends on the optical transmission grant opportunities. In this work a metaheuristic approach to govern the bandwidth allocation in modern Fiber Wireless (FiWi) networks is proposed. The Ant Colony Optimization (ACO) method is effectively employed in order to optimize the bandwidth report process of Mobile Subscribers (MSs). Simulation results reveal the effectiveness of the proposed approach in terms of latency and network throughput. © 2015 IEEE.},
keywords = {},
pubstate = {published},
tppubtype = {conference}
}
Optical-wireless access networks constitute a quite attractive solution to meet the ever-increasing bandwidth requirements of end-users, offering significant benefits such as ubiquitous coverage in the wireless domain and huge bandwidth in the optical domain. However, converging optical and wireless networking technologies, with Passive Optical Networks (PONs) and 4G wireless standards, such as the Worldwide Interoperability for Microwave Access (WiMAX) and the Long Term Evolution (LTE), entails major challenges that need to be addressed. In this context, designing an efficient and fair bandwidth distribution with Quality of Service (QoS) support is a difficult task due to the interdependence of resource allocation process to both optical and wireless domains. Specifically, the bandwidth distribution in the optical domain has to be aware of the mobile user heterogeneity in the wireless domain, while in the wireless domain the allocation process depends on the optical transmission grant opportunities. In this work a metaheuristic approach to govern the bandwidth allocation in modern Fiber Wireless (FiWi) networks is proposed. The Ant Colony Optimization (ACO) method is effectively employed in order to optimize the bandwidth report process of Mobile Subscribers (MSs). Simulation results reveal the effectiveness of the proposed approach in terms of latency and network throughput. © 2015 IEEE.
P. Sarigiannidis; M. Louta; G. Papadimitriou; I. Moscholios; A. Boucouvalas; D. Kleftouris
2015.
Abstract | BibTeX | Tags: bandwidth allocation, FiWi, hidden Markov chains, prediction | Links:
@conference{Sarigiannidis201545,
title = {Alleviating the high propagation delays in FiWi networks: A prediction-based DBA scheme for 10G-EPON-WiMAX systems},
author = { P. Sarigiannidis and M. Louta and G. Papadimitriou and I. Moscholios and A. Boucouvalas and D. Kleftouris},
url = {https://www.researchgate.net/publication/308463668_Alleviating_the_high_propagation_delays_in_FiWi_networks_a_prediction-based_DBA_scheme_for_10G-EPON-WiMAX_systems},
doi = {10.1109/FOAN.2015.7320478},
year = {2015},
date = {2015-01-01},
journal = {2015 International Workshop on Fiber Optics in Access Network, FOAN 2015},
pages = {45-50},
abstract = {Fiber Wireless (FiWi) networks constitute a very promising, cost-effective solution to cope with modern demanding services and applications in access networks. One of the most challenging objective lies in the design of a robust, efficient and effective bandwidth allocation. The design of such a Dynamic Bandwidth Allocation (DBA) scheme should take into account the large propagation delays between mobile users and the Central Office (CO). In this work, we endeavor to address this challenge by proposing a prediction-aware DBA scheme for FiWi networks, where the optical domain is implemented by a 10Gbps Ethernet PON (10G-EPON) and the wireless domain is supported by WiMAX access stations. In order to ensure an effective DBA scheme a hidden Markov chain model is devised for estimating the surplus traffic requests of each mobile user during the coordination message exchange between the optical and the wireless domains. In addition, a fair bandwidth distribution is applied based on the results of the prediction module. Based on the obtained simulation results the proposed scheme presents a good network performance in terms of prediction accuracy and packet delay. © 2015 IEEE.},
keywords = {bandwidth allocation, FiWi, hidden Markov chains, prediction},
pubstate = {published},
tppubtype = {conference}
}
Fiber Wireless (FiWi) networks constitute a very promising, cost-effective solution to cope with modern demanding services and applications in access networks. One of the most challenging objective lies in the design of a robust, efficient and effective bandwidth allocation. The design of such a Dynamic Bandwidth Allocation (DBA) scheme should take into account the large propagation delays between mobile users and the Central Office (CO). In this work, we endeavor to address this challenge by proposing a prediction-aware DBA scheme for FiWi networks, where the optical domain is implemented by a 10Gbps Ethernet PON (10G-EPON) and the wireless domain is supported by WiMAX access stations. In order to ensure an effective DBA scheme a hidden Markov chain model is devised for estimating the surplus traffic requests of each mobile user during the coordination message exchange between the optical and the wireless domains. In addition, a fair bandwidth distribution is applied based on the results of the prediction module. Based on the obtained simulation results the proposed scheme presents a good network performance in terms of prediction accuracy and packet delay. © 2015 IEEE.
T.D. Lagkas; A. Lamproudi; P. Sarigiannidis; C. Skianis
The impact of mobility patterns on the efficiency of data forwarding in MANETs Conference
vol. 2015-September, 2015.
Abstract | BibTeX | Tags: AODV, MANETs, mobile routing, mobility patterns, self-organizing networks, WMNs | Links:
@conference{Lagkas20156037,
title = {The impact of mobility patterns on the efficiency of data forwarding in MANETs},
author = { T.D. Lagkas and A. Lamproudi and P. Sarigiannidis and C. Skianis},
url = {https://www.researchgate.net/publication/299059764_The_Impact_of_Mobility_Patterns_on_the_Efficiency_of_Data_Forwarding_in_MANETs?_sg=X4co3ZwV7lD6S05ooJl0svikpTH0l3RqlLvNVNr9B5knlpmvwYTLH5rBuJjPDE9LtPD6tGC7jyYUb1I},
doi = {10.1109/ICC.2015.7249284},
year = {2015},
date = {2015-01-01},
journal = {IEEE International Conference on Communications},
volume = {2015-September},
pages = {6037-6042},
abstract = {One of the most challenging requirements in cutting-edge Mobile Ad hoc Networks is the need for adaptive and efficient routing. Networks capable of adapting their behavior based on current conditions are often characterized as self-organizing networks, which are lately considered very promising for future applications. This work examines the impact of the different mobility properties on the performance of self-organizing networks. For that purpose, a simulator was developed to model different mobility patterns and study the way they affect the effectiveness of the well-known AODV routing protocol. Particularly, this paper focuses on the effect of the different mobility schemes on network topology and consequently to the overall network performance. The results reveal the tight correlations between node mobility characteristics and network metrics. © 2015 IEEE.},
keywords = {AODV, MANETs, mobile routing, mobility patterns, self-organizing networks, WMNs},
pubstate = {published},
tppubtype = {conference}
}
One of the most challenging requirements in cutting-edge Mobile Ad hoc Networks is the need for adaptive and efficient routing. Networks capable of adapting their behavior based on current conditions are often characterized as self-organizing networks, which are lately considered very promising for future applications. This work examines the impact of the different mobility properties on the performance of self-organizing networks. For that purpose, a simulator was developed to model different mobility patterns and study the way they affect the effectiveness of the well-known AODV routing protocol. Particularly, this paper focuses on the effect of the different mobility schemes on network topology and consequently to the overall network performance. The results reveal the tight correlations between node mobility characteristics and network metrics. © 2015 IEEE.
Address
Internet of Things and Applications Lab
Department of Electrical and Computer Engineering
University of Western Macedonia Campus
ZEP Area, Kozani 50100
Greece
Contact Information
tel: +30 2461 056527
Email: ithaca@uowm.gr
