2013 |
E. Karapistoli; P. Sarigiannidis; A.A. Economides , "SRNET: A real-time, cross-based anomaly detection and visualization system for wireless sensor networks", 2013. Conference Abstract | BibTeX | Tags: Cross-based anomaly detection and visualization, Detection of selective forwarding and jamming attacks, Wireless sensor network security visualization | Links: @conference{Karapistoli201349, title = {SRNET: A real-time, cross-based anomaly detection and visualization system for wireless sensor networks}, author = { E. Karapistoli and P. Sarigiannidis and A.A. Economides}, url = {https://www.researchgate.net/publication/262347500_SRNET_A_real-time_cross-based_anomaly_detection_and_visualization_system_for_wireless_sensor_networks?_sg=KDdCBpLRuPqrORtOxHP4P38HAPGocREt6hya_JuOcjZ4M1vhmZ-JbGRQWfXjdL1x1Y-q1yQxIBrvu1w}, doi = {10.1145/2517957.2517964}, year = {2013}, date = {2013-01-01}, journal = {ACM International Conference Proceeding Series}, pages = {49-56}, abstract = {Security concerns are a major deterrent in many applications wireless sensor networks are envisaged to support. To date, various security mechanisms have been proposed for these networks dealing with either Medium Access Control (MAC) layer or network layer security issues, or key management problems. Security visualization is the latest weapon that has been added in the arsenal of a security officer who is tasked with detecting network anomalies by analyzing large amounts of audit data. This paper proposes a novel security visualization system for analyzing and detecting complex patterns of sensor network attacks, called SRNET. Both selective forwarding and jamming attacks are identified through visualizing and analyzing network traffic data on multiple coordinated views, namely the multidimensional crossed view, the crossed view perspective, and the track area view. Through simulations, we demonstrate that SRNET is able to help detect and further identify the root cause of the aforementioned sensor network attacks. Copyright 2013 ACM.}, keywords = {Cross-based anomaly detection and visualization, Detection of selective forwarding and jamming attacks, Wireless sensor network security visualization}, pubstate = {published}, tppubtype = {conference} } Security concerns are a major deterrent in many applications wireless sensor networks are envisaged to support. To date, various security mechanisms have been proposed for these networks dealing with either Medium Access Control (MAC) layer or network layer security issues, or key management problems. Security visualization is the latest weapon that has been added in the arsenal of a security officer who is tasked with detecting network anomalies by analyzing large amounts of audit data. This paper proposes a novel security visualization system for analyzing and detecting complex patterns of sensor network attacks, called SRNET. Both selective forwarding and jamming attacks are identified through visualizing and analyzing network traffic data on multiple coordinated views, namely the multidimensional crossed view, the crossed view perspective, and the track area view. Through simulations, we demonstrate that SRNET is able to help detect and further identify the root cause of the aforementioned sensor network attacks. Copyright 2013 ACM. |
K. Yiannopoulos; E. Varvarigos; D. Klonidis; I. Tomkos; M. Spyropoulou; I. Lazarou; P. Bakopoulos; H. Avramopoulos; G. Heliotis; L.-P. Dimos; G. Agapiou; Th. Oikonomou; D. Kritharidis; Sp. Spyridakis; M. Dalakidis; G. Synnefakis; D. Reisis; G. Papastergiou; I. Koukouvinos; A. Orfanoudakis; G.I. Papadimitriou; P. Sarigiannidis; C. Liaskos , "PANDA: Asymmetric passive optical network for xDSL and FTTH access", 2013. Conference Abstract | BibTeX | Tags: Broadband access, Digital subscriber loop, Medium Access Control, Network scalability, Passive optical networks | Links: @conference{Yiannopoulos2013335, title = {PANDA: Asymmetric passive optical network for xDSL and FTTH access}, author = { K. Yiannopoulos and E. Varvarigos and D. Klonidis and I. Tomkos and M. Spyropoulou and I. Lazarou and P. Bakopoulos and H. Avramopoulos and G. Heliotis and L.-P. Dimos and G. Agapiou and Th. Oikonomou and D. Kritharidis and Sp. Spyridakis and M. Dalakidis and G. Synnefakis and D. Reisis and G. Papastergiou and I. Koukouvinos and A. Orfanoudakis and G.I. Papadimitriou and P. Sarigiannidis and C. Liaskos}, url = {https://www.researchgate.net/publication/258963505_PANDA_asymmetric_passive_optical_network_for_xDSL_and_FTTH_access}, doi = {10.1145/2491845.2491885}, year = {2013}, date = {2013-01-01}, journal = {ACM International Conference Proceeding Series}, pages = {335-342}, abstract = {In this paper, we present an "Asymmetric Passive Optical Network for xDSL and FTTH Access" (PANDA) architecture that is suitable for providing end-users with broadband connections in a cost-effective and non-disruptive fashion. We first describe the need for expanding the current ADSL access to VDSL (and ultimately FTTH), as well as the network upgrades that will be required to perform this expansion. We then introduce the PANDA architecture, a multiwavelength passive optical network (PON) that implements a fiber-to-the cabinet (FTTC) access scheme and provides multi-ten Mb/s access to VDSL2 end-users. We also derive the PANDA capacity in terms of number of users and spatial coverage and show that PANDA is well capable of meeting the broadband needs in the Greece for the short and medium term. We conclude this work with a scalability study of PANDA in view of the goals set in the EU Digital Agenda. Copyright © 2013 ACM.}, keywords = {Broadband access, Digital subscriber loop, Medium Access Control, Network scalability, Passive optical networks}, pubstate = {published}, tppubtype = {conference} } In this paper, we present an "Asymmetric Passive Optical Network for xDSL and FTTH Access" (PANDA) architecture that is suitable for providing end-users with broadband connections in a cost-effective and non-disruptive fashion. We first describe the need for expanding the current ADSL access to VDSL (and ultimately FTTH), as well as the network upgrades that will be required to perform this expansion. We then introduce the PANDA architecture, a multiwavelength passive optical network (PON) that implements a fiber-to-the cabinet (FTTC) access scheme and provides multi-ten Mb/s access to VDSL2 end-users. We also derive the PANDA capacity in terms of number of users and spatial coverage and show that PANDA is well capable of meeting the broadband needs in the Greece for the short and medium term. We conclude this work with a scalability study of PANDA in view of the goals set in the EU Digital Agenda. Copyright © 2013 ACM. |
P. Sarigiannidis; M. Louta; E. Balasa; T. Lagkas , "Adaptive sensing policies for cognitive wireless networks using learning automata", 2013. Conference Abstract | BibTeX | Tags: cognitive radio, Learning automata, multi-channel MAC, wireless networks | Links: @conference{Sarigiannidis2013470, title = {Adaptive sensing policies for cognitive wireless networks using learning automata}, author = { P. Sarigiannidis and M. Louta and E. Balasa and T. Lagkas}, url = {https://www.researchgate.net/publication/267210747_Adaptive_Sensing_Policies_for_Cognitive_Wireless_Networks_using_Learning_Automata}, doi = {10.1109/ISCC.2013.6754991}, year = {2013}, date = {2013-01-01}, journal = {Proceedings - International Symposium on Computers and Communications}, pages = {470-475}, abstract = {This paper introduces an adaptive spectrum sensing method for cognitive radio wireless networks. The proposed method enhances previously proposed random-based sensing policies, effectively selecting the licensed channels to be sensed by accurately estimating channels' availability, resulting, thus, to high system's resources utilization. The core mechanism of the adaptive method is an enhanced learning automaton, which efficiently interacts with the environment and provides accurate decisions on selecting the channel to be sensed on behalf of the secondary users. A thorough description of the introduced method is provided, while the performance of the enhanced sensing policies is verified through extensive simulation experiment. © 2013 IEEE.}, keywords = {cognitive radio, Learning automata, multi-channel MAC, wireless networks}, pubstate = {published}, tppubtype = {conference} } This paper introduces an adaptive spectrum sensing method for cognitive radio wireless networks. The proposed method enhances previously proposed random-based sensing policies, effectively selecting the licensed channels to be sensed by accurately estimating channels' availability, resulting, thus, to high system's resources utilization. The core mechanism of the adaptive method is an enhanced learning automaton, which efficiently interacts with the environment and provides accurate decisions on selecting the channel to be sensed on behalf of the secondary users. A thorough description of the introduced method is provided, while the performance of the enhanced sensing policies is verified through extensive simulation experiment. © 2013 IEEE. |
T.D. Lagkas; P.G. Sarigiannidis; M. Louta; P. Chatzimisios , "Exploring the intra-frame energy conservation capabilities of the horizontal simple packing algorithm in IEEE 802.16e networks: An analytical approach", Wireless Networks, 19 (4), pp. 547-558, 2013. Journal Article Abstract | BibTeX | Tags: Downlink mapping, IEEE 802.16, Intra-frame power saving, Sleep slots, WiMAX | Links: @article{Lagkas2013547, title = {Exploring the intra-frame energy conservation capabilities of the horizontal simple packing algorithm in IEEE 802.16e networks: An analytical approach}, author = { T.D. Lagkas and P.G. Sarigiannidis and M. Louta and P. Chatzimisios}, url = {https://www.researchgate.net/publication/233790502_Exploring_the_Intra-frame_Energy_Conservation_Capabilities_of_the_Horizontal_Packing_Algorithm_in_IEEE_80216e_Networks_An_Analytical_Approach?_sg=xykvdNc2j2UIG3_dglWCsetpRGt2s_iN1MnAZp-u4XzbkRQzKBvx-0FNuyh9t-g3KiaDHPuvDEJYkEk}, doi = {10.1007/s11276-012-0484-6}, year = {2013}, date = {2013-01-01}, journal = {Wireless Networks}, volume = {19}, number = {4}, pages = {547-558}, abstract = {The power saving capabilities of the mobile devices in broadband wireless networks constitute a challenging research topic that has attracted the attention of researchers recently, while it needs to be addressed at multiple layers. This work provides a novel analysis of the intra-frame energy conservation potentials of the IEEE 802.16e network. Specifically, the power saving capabilities of the worldwide interoperability for microwave access downlink sub-frame are thoroughly studied, employing the well-known simple packing algorithm as the mapping technique of the data requests. The accurate mathematical model, cross-validated via simulation, reveals the significant ability to conserve energy in this intra-frame fashion under different scenarios. To the best of our knowledge, this is the first work providing intra-frame power-saving potentials of IEEE 802.16 networks. Additionally, this is the first study following an analytic approach. © 2012 Springer Science+Business Media, LLC.}, keywords = {Downlink mapping, IEEE 802.16, Intra-frame power saving, Sleep slots, WiMAX}, pubstate = {published}, tppubtype = {article} } The power saving capabilities of the mobile devices in broadband wireless networks constitute a challenging research topic that has attracted the attention of researchers recently, while it needs to be addressed at multiple layers. This work provides a novel analysis of the intra-frame energy conservation potentials of the IEEE 802.16e network. Specifically, the power saving capabilities of the worldwide interoperability for microwave access downlink sub-frame are thoroughly studied, employing the well-known simple packing algorithm as the mapping technique of the data requests. The accurate mathematical model, cross-validated via simulation, reveals the significant ability to conserve energy in this intra-frame fashion under different scenarios. To the best of our knowledge, this is the first work providing intra-frame power-saving potentials of IEEE 802.16 networks. Additionally, this is the first study following an analytic approach. © 2012 Springer Science+Business Media, LLC. |
T.D. Lagkas; P. Sarigiannidis; M. Louta , "On analyzing the intra-frame power saving potentials of the IEEE 802.16e downlink vertical mapping", Computer Networks, 57 (7), pp. 1656-1673, 2013. Journal Article Abstract | BibTeX | Tags: Downlink mapping, IEEE 802.16, Intra-frame power saving, Sleep slots, WiMAX | Links: @article{Lagkas20131656, title = {On analyzing the intra-frame power saving potentials of the IEEE 802.16e downlink vertical mapping}, author = { T.D. Lagkas and P. Sarigiannidis and M. Louta}, url = {https://www.researchgate.net/publication/235951767_On_Analyzing_the_Intra-Frame_Power_Saving_Potentials_of_tbe_IEEE_80216e_Downlink_Vertical_Mapping?_sg=KDoKqCiIgJLlPGKSofBFyHQ3ib8pUfmddqW_QvQLtz4xtG6Kfcbr2Rl_HcoguK0bm06CHKY6zG5ljWM}, doi = {10.1016/j.comnet.2013.02.015}, year = {2013}, date = {2013-01-01}, journal = {Computer Networks}, volume = {57}, number = {7}, pages = {1656-1673}, abstract = {Worldwide Interoperability for Microwave Access (WiMAX) is generally considered as a competitive candidate networking technology for the realization of the 4G vision. Among the key factors towards its successful and widespread deployment are the effective support of mobility and the provision of mechanisms for enabling service access at a high quality level in an efficient and cost-effective manner. Nonetheless, this effort should take into account and adequately address strict and severe energy limitations that the mobile devices are currently facing. Power saving constitutes an issue of vital importance, as mobile terminals continue to incorporate more and more functionalities and energy-hungry features in order to support the ever increasing user requirements and demands. The standard employs variations of power saving classes in a frame-to-frame basis, while recent power saving mechanisms proposed in related research literature limit their activity in whole frames, neglecting, thus, the intra-frame power saving capabilities. In this work, the intra-frame energy conservation potentials of the mobile WiMAX network are studied and a novel analytical approach is provided, focusing on the downlink direction where the bandwidth allocation involves idle intervals and dynamic inactivity periods. Specifically, we endeavour to accurately analyse the potential energy conservation capabilities in an intra-frame point of view, applying the well-known simple packing algorithm to distribute the available bandwidth to the various subscribers. Our analytical findings are thoroughly cross-validated via simulation, providing clear insights into the intra-frame energy reduction capabilities. © 2013 Elsevier B.V.}, keywords = {Downlink mapping, IEEE 802.16, Intra-frame power saving, Sleep slots, WiMAX}, pubstate = {published}, tppubtype = {article} } Worldwide Interoperability for Microwave Access (WiMAX) is generally considered as a competitive candidate networking technology for the realization of the 4G vision. Among the key factors towards its successful and widespread deployment are the effective support of mobility and the provision of mechanisms for enabling service access at a high quality level in an efficient and cost-effective manner. Nonetheless, this effort should take into account and adequately address strict and severe energy limitations that the mobile devices are currently facing. Power saving constitutes an issue of vital importance, as mobile terminals continue to incorporate more and more functionalities and energy-hungry features in order to support the ever increasing user requirements and demands. The standard employs variations of power saving classes in a frame-to-frame basis, while recent power saving mechanisms proposed in related research literature limit their activity in whole frames, neglecting, thus, the intra-frame power saving capabilities. In this work, the intra-frame energy conservation potentials of the mobile WiMAX network are studied and a novel analytical approach is provided, focusing on the downlink direction where the bandwidth allocation involves idle intervals and dynamic inactivity periods. Specifically, we endeavour to accurately analyse the potential energy conservation capabilities in an intra-frame point of view, applying the well-known simple packing algorithm to distribute the available bandwidth to the various subscribers. Our analytical findings are thoroughly cross-validated via simulation, providing clear insights into the intra-frame energy reduction capabilities. © 2013 Elsevier B.V. |
2012 |
M. Louta; P. Sarigiannidis; P. Nicopolitidis; G. Papadimitriou; M. Obaidat , "Design of an effective QoS-aware mapping scheme using persistent allocation probing", 2012. Conference Abstract | BibTeX | Tags: IEEE 802.16, mapping, OFDMA, QoS, WiMAX | Links: @conference{Louta20124909, title = {Design of an effective QoS-aware mapping scheme using persistent allocation probing}, author = { M. Louta and P. Sarigiannidis and P. Nicopolitidis and G. Papadimitriou and M. Obaidat}, doi = {10.1109/ICC.2012.6364291}, year = {2012}, date = {2012-01-01}, journal = {IEEE International Conference on Communications}, pages = {4909-4913}, abstract = {Mobile Worldwide Interoperability for Microwave Access (WiMAX) constitutes an attractive trademark for supporting wireless access to Intranets and the Internet. Scheduling and mapping processes are of paramount importance since they dramatically affect the network performance. This work endeavors to provide a robust mapping scheme for the downlink sub-frame with respect to various Quality of Service (QoS) constraints. Each downlink request creates rectangular regions, called Horizons, and the mapping technique applies a persistent probing of the Horizons recorded. The evaluation experiments conducted indicate that the scheme designed beneficially affects the system performance. © 2012 IEEE.}, keywords = {IEEE 802.16, mapping, OFDMA, QoS, WiMAX}, pubstate = {published}, tppubtype = {conference} } Mobile Worldwide Interoperability for Microwave Access (WiMAX) constitutes an attractive trademark for supporting wireless access to Intranets and the Internet. Scheduling and mapping processes are of paramount importance since they dramatically affect the network performance. This work endeavors to provide a robust mapping scheme for the downlink sub-frame with respect to various Quality of Service (QoS) constraints. Each downlink request creates rectangular regions, called Horizons, and the mapping technique applies a persistent probing of the Horizons recorded. The evaluation experiments conducted indicate that the scheme designed beneficially affects the system performance. © 2012 IEEE. |
G. Vasileiou; G.I. Papadimitriou; P. Nicopolitidis; P.G. Sarigiannidis; M. Louta; M.S. Obaidat , "A novel medium access Control Protocol for radio-over-fiber access networks", 2012. Conference Abstract | BibTeX | Tags: 60 GHz wireless network, Medium access control (MAC) protocol, MPCP, Passive Optical Network (PON), Radio-over-fiber (RoF) network, Simple polling adaptive protocol | Links: @conference{Vasileiou20122671, title = {A novel medium access Control Protocol for radio-over-fiber access networks}, author = { G. Vasileiou and G.I. Papadimitriou and P. Nicopolitidis and P.G. Sarigiannidis and M. Louta and M.S. Obaidat}, url = {https://www.researchgate.net/publication/261046625_A_novel_medium_access_Control_Protocol_for_radio-over-fiber_access_networks}, doi = {10.1109/GLOCOM.2012.6503520}, year = {2012}, date = {2012-01-01}, journal = {GLOBECOM - IEEE Global Telecommunications Conference}, pages = {2671-2676}, abstract = {Radio over fiber (RoF) technology is considered as an energy and cost-effective solution to cover the users' rapidly increasing demands for bandwidth and mobility. However, integration of a wireless and an optical network into a hybrid one needs the design of new protocols. In this work, a novel MAC protocol based on the MultiPoint Control Protocol (MPCP) is proposed. The network's decision center receives feedback from the mobile clients via MPCP's GATE/REPORT mechanism so as to efficiently allocate the bandwidth and the wavelength resources in a dynamic manner. The proposed MAC protocol adapts its operation according to the actual client traffic demands. Simulation results reveal the superior performance of the proposed protocol compared to other similar competing proposals reported in the literature. © 2012 IEEE.}, keywords = {60 GHz wireless network, Medium access control (MAC) protocol, MPCP, Passive Optical Network (PON), Radio-over-fiber (RoF) network, Simple polling adaptive protocol}, pubstate = {published}, tppubtype = {conference} } Radio over fiber (RoF) technology is considered as an energy and cost-effective solution to cover the users' rapidly increasing demands for bandwidth and mobility. However, integration of a wireless and an optical network into a hybrid one needs the design of new protocols. In this work, a novel MAC protocol based on the MultiPoint Control Protocol (MPCP) is proposed. The network's decision center receives feedback from the mobile clients via MPCP's GATE/REPORT mechanism so as to efficiently allocate the bandwidth and the wavelength resources in a dynamic manner. The proposed MAC protocol adapts its operation according to the actual client traffic demands. Simulation results reveal the superior performance of the proposed protocol compared to other similar competing proposals reported in the literature. © 2012 IEEE. |
2011 |
P. Sarigiannidis; M. Louta; A. Michalas , "On effectively determining the downlink-to-uplink sub-frame width ratio for mobile WiMAX networks using spline extrapolation", 2011. Conference Abstract | BibTeX | Tags: extrapolation, IEEE 802.16, mapping, OFDMA, Splines, WiMAX | Links: @conference{Sarigiannidis2011139, title = {On effectively determining the downlink-to-uplink sub-frame width ratio for mobile WiMAX networks using spline extrapolation}, author = { P. Sarigiannidis and M. Louta and A. Michalas}, url = {https://www.researchgate.net/publication/221565459_On_Effectively_Determining_the_Downlink-to-Uplink_Sub-frame_Width_Ratio_for_Mobile_WiMAX_Networks_Using_Spline_Extrapolation}, doi = {10.1109/PCI.2011.44}, year = {2011}, date = {2011-01-01}, journal = {Proceedings - 2011 Panhellenic Conference on Informatics, PCI 2011}, pages = {139-143}, abstract = {One of the most valuable design issues of the Worldwide Interoperability for Microwave Access (WiMAX) standard is its flexibility. It allows multiple downlink-to-uplink duration definitions concerning the width of the corresponding sub-frames, thus, the telecommunication companies and businesses are able to define the downlink-to-uplink width from 3:1 to 1:1 respectively to meet the traffic demands of the connected subscribers. However, the decision on defining the most appropriate ratio is not yet solved, since current efforts on developing scheduling and mapping schemes consider it as fixed. In this work, a novel adaptive mapping approach - based on cubic spline extrapolation - is proposed in order to dynamically determine the most appropriate downlink-touplink width ratio in accordance to the downlink and uplink traffic demands. The method proposed is evaluated through realistic simulation scenarios, whereas its performance is compared with static approaches maintaining a fixed ratio. The results indicate that the approach suggested succeeds noticeable improvements in terms of network service capabilities and bandwidth utilization. © 2011 IEEE.}, keywords = {extrapolation, IEEE 802.16, mapping, OFDMA, Splines, WiMAX}, pubstate = {published}, tppubtype = {conference} } One of the most valuable design issues of the Worldwide Interoperability for Microwave Access (WiMAX) standard is its flexibility. It allows multiple downlink-to-uplink duration definitions concerning the width of the corresponding sub-frames, thus, the telecommunication companies and businesses are able to define the downlink-to-uplink width from 3:1 to 1:1 respectively to meet the traffic demands of the connected subscribers. However, the decision on defining the most appropriate ratio is not yet solved, since current efforts on developing scheduling and mapping schemes consider it as fixed. In this work, a novel adaptive mapping approach - based on cubic spline extrapolation - is proposed in order to dynamically determine the most appropriate downlink-touplink width ratio in accordance to the downlink and uplink traffic demands. The method proposed is evaluated through realistic simulation scenarios, whereas its performance is compared with static approaches maintaining a fixed ratio. The results indicate that the approach suggested succeeds noticeable improvements in terms of network service capabilities and bandwidth utilization. © 2011 IEEE. |
E. Skondras; M. Louta; P. Sarigiannidis , "A personalized audio web service using mpeg-7 and mpeg-21 standards", 2011. Conference Abstract | BibTeX | Tags: | Links: @conference{Skondras2011199, title = {A personalized audio web service using mpeg-7 and mpeg-21 standards}, author = { E. Skondras and M. Louta and P. Sarigiannidis}, url = {https://www.researchgate.net/publication/221565401_A_Personalized_Audio_Web_Service_Using_MPEG-7_and_MPEG-21_Standards}, doi = {10.1109/PCI.2011.29}, year = {2011}, date = {2011-01-01}, journal = {Proceedings - 2011 Panhellenic Conference on Informatics, PCI 2011}, pages = {199-204}, abstract = {This paper presents a web service which delivers personalized audio information. The personalization process is automated and decentralized. The metadata which support personalization are separated in two categories: the metadata describing user preferences stored at each user and the resource adaptation metadata stored at the web service host. The multimedia models MPEG-21 and MPEG-7 are used to describe metadata information and the Web Ontology Language (OWL) to produce and manipulate ontological descriptions. SPARQL is used for querying the OWL ontologies. The MPEG Query Format (MPQF) is also used, providing a wellknown framework for applying queries to the metadata and to the ontologies. © 2011 IEEE.}, keywords = {}, pubstate = {published}, tppubtype = {conference} } This paper presents a web service which delivers personalized audio information. The personalization process is automated and decentralized. The metadata which support personalization are separated in two categories: the metadata describing user preferences stored at each user and the resource adaptation metadata stored at the web service host. The multimedia models MPEG-21 and MPEG-7 are used to describe metadata information and the Web Ontology Language (OWL) to produce and manipulate ontological descriptions. SPARQL is used for querying the OWL ontologies. The MPEG Query Format (MPQF) is also used, providing a wellknown framework for applying queries to the metadata and to the ontologies. © 2011 IEEE. |
P.G. Sarigiannidis; V.D. Pechlivanidou; M.D. Louta; P. Angelidis , "Towards an effective energy efficient passive optical network", 2011. Conference Abstract | BibTeX | Tags: bandwidth allocation, energy consumption, passive optical network | Links: @conference{Sarigiannidis2011391, title = {Towards an effective energy efficient passive optical network}, author = { P.G. Sarigiannidis and V.D. Pechlivanidou and M.D. Louta and P. Angelidis}, url = {https://www.researchgate.net/publication/221504359_Towards_an_effective_energy_efficient_passive_optical_network}, doi = {10.1109/ISCC.2011.5983869}, year = {2011}, date = {2011-01-01}, journal = {Proceedings - IEEE Symposium on Computers and Communications}, pages = {391-396}, abstract = {Communication networks' energy consumption poses a considerable threat to the environment stability. The expansion of access networks, which constitute the main playground of the Internet backhaul, is accompanied by numerous energy inefficient devices and equipments. Passive optical networks (PONs) is a potential dominant technology on the field of access networking, hence the reduction of the consumed energy of the optical devices forms a critical issue. In this paper, an efficient green PON is introduced, having two main targets: a) to reduce the energy consumption, by allowing optical devices to operate longer in sleep mode, and b) to maintain PON's good performance. Beyond the green provisioning, the proposed scheme is able to increase occasionally the network performance in terms of mean packet delay and packet drop ratio. This is accomplished by reducing the amount of control messages between subscribers, operating in sleep mode, and central office, allowing more bandwidth to be allocated for data delivering. © 2011 IEEE.}, keywords = {bandwidth allocation, energy consumption, passive optical network}, pubstate = {published}, tppubtype = {conference} } Communication networks' energy consumption poses a considerable threat to the environment stability. The expansion of access networks, which constitute the main playground of the Internet backhaul, is accompanied by numerous energy inefficient devices and equipments. Passive optical networks (PONs) is a potential dominant technology on the field of access networking, hence the reduction of the consumed energy of the optical devices forms a critical issue. In this paper, an efficient green PON is introduced, having two main targets: a) to reduce the energy consumption, by allowing optical devices to operate longer in sleep mode, and b) to maintain PON's good performance. Beyond the green provisioning, the proposed scheme is able to increase occasionally the network performance in terms of mean packet delay and packet drop ratio. This is accomplished by reducing the amount of control messages between subscribers, operating in sleep mode, and central office, allowing more bandwidth to be allocated for data delivering. © 2011 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