Browsing by Author "Körpeoğlu, İbrahim"
Now showing items 1-20 of 26
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60 GHz wireless data center networks: A survey
(Elsevier BV * North-Holland, 2021-02-11)Data centers (DCs) became an important part of computing today. A lot of services in Internet are run on DCs. Meanwhile a lot of research is done to tackle the challenges of high-performance and energy-efficient data center ... -
Algorithms for sink mobility in wireless sensor networks to improve network lifetime
(Springer, 2012-09)Sink mobility is an effective solution in the literature for wireless sensor network lifetime improvement. In this paper, we propose a set of algorithms for sink site determination (SSD) and movement strategy problems of ... -
An analysis of social networks based on tera-scale telecommunication datasets
(IEEE Computer Society, 2019)With the popularization of mobile phone usage, telecommunication networks have turned into a socially binding medium. Considering the traces of human communication held inside these networks, telecommunication networks are ... -
Bluetooth broadcasting performance: reliability and throughput
(Springer, Berlin, Heidelberg, 2006)This paper studies the performance of Bluetooth broadcasting scheme. The transmission of a Bluetooth broadcast packet is repeated several times to increase the reliability of broadcast. We have analyzed the effects of ... -
Bluetooth or 802.15.4 technologies to optimise lifetime of wireless sensor networks: Numerical comparison under a common framework
(IEEE, 2008-04)This paper aims at comparing through simulations the network lifetime of a wireless sensor network using Bluetooth-enabled or IEEE802.15.4 compliant devices. The evaluation is performed under a common reference framework, ... -
Characterizing Gnutella network properties for peer-to-peer network simulation
(Springer, Berlin, Heidelberg, 2005)A P2P network that is overlayed over Internet can consist of thousands, or even millions of nodes. To analyze the performance of a P2P network, or an algorithm or protocol designed for a P2P network, simulation studies ... -
A distributed and dynamic data gathering protocol for sensor networks
(IEEE, 2007-05)In this paper we propose a distributed, self organizing, robust and energy efficient data gathering algorithm for sensor networks operating in environments where all the sensor nodes are not in direct communication range ... -
DSSP: A Dynamic Sleep Scheduling Protocol for prolonging the lifetime of wireless sensor networks
(IEEE, 2007-05)This paper presents DSSP (Dynamic Sleep Scheduling Protocol), a centralized scheme for extending the lifetime of densely deployed wireless sensor networks by keeping only a necessary set of sensor nodes active. We present ... -
Energy efficient routing
(Springer, Berlin, Heidelberg, 2007) -
An energy efficient scatternet formation algorithm for Bluetooth-based sensor networks
(IEEE, 2005-02)In this paper, we propose an energy-efficient scatternet formation algorithm for Bluetooth based sensor networks. The algorithm is based on first computing a shortest path tree from the base station to all sensor nodes and ... -
Energy-efficient and fault-tolerant drone-BS placement in heterogeneous wireless sensor networks
(Springer, 2020)This paper introduces a distributed and energy-aware algorithm, called Minimum Drone Placement (MDP) algorithm, to determine the minimum number of base stations mounted on resource-rich Unmanned Aerial Vehicles (UAV-BS), ... -
Fly-path: Traffic-based multi-hop routing approach for hybrid wireless data centers
(Elsevier BV, 2021-03-15)High data transfer rates achieved by 802.11ad at 60 GHz ISM band enables use of wireless communication in data centers. In this paper, we investigate the possibility of offloading traffic from wired to wireless network in ... -
Fog-Based Data Distribution Service (F-DAD) for Internet of Things (IoT) applications
(Elsevier, 2019)With advances in technology, devices, machines, and appliances get smarter, more capable and connected to each other. This defines a new era called Internet of Things (IoT), consisting of a huge number of connected devices ... -
A general purpose simulator for unstructured P2P networks and a sample application
(Milli Savunma Üniversitesi Alparslan Savunma Bilimleri Enstitüsü, 2009)Peer-to-peer (P2P) networks are recently becoming very popular and successful alternative for resource sharing and content distribution. Thus, there have been many proposals to improve their performance. However, since a ... -
Generic resource allocation metrics and methods for heterogeneous cloud infrastructures
(Elsevier, 2019)With the advent of cloud computing, computation has become a commodity used by customers to access computing resources with no up-front investment, but as an on-demand and pay-as-you-go basis. Cloud providers make their ... -
Graph aware caching policy for distributed graph stores
(IEEE, 2015-03)Graph stores are becoming increasingly popular among NOSQL applications seeking flexibility and heterogeneity in managing linked data. Conceptually and in practice, applications ranging from social networks, knowledge ... -
Multi-resolution social network community identification and maintenance on big data platform
(IEEE, 2013-06-07)Community identification in social networks is of great interest and with dynamic changes to its graph representation and content, the incremental maintenance of community poses significant challenges in computation. ... -
OLSR-aware distributed channel access scheduling for wireless mesh networks
(IEEE, 2009-04)In this paper, we present OA-TDMA (OLSR-Aware TDMA), a TDMA based cross-layer channel access scheduling scheme which uses the information collected by the OLSR routing protocol. In OA-TDMA, each node makes decisions in a ... -
A path-quality-aware peer-to-peer file sharing protocol for mobile ad-hoc networks: Wi-Share
(IEEE, 2009-09)Peer-to-peer networks are rather well-studied and currently there are numerous systems based on peer-to-peer principles running on the Internet. On the other hand peer-to-peer networks for mobile ad-hoc networks have ... -
Peer-to-peer overlay in mobile ad-hoc networks
(Springer US, 2010)Wireless multi-hop networks such as mobile ad-hoc (MANET) or wireless mesh networks (WMN) have attracted big research efforts during the last years as they have huge potential in several areas such as military communications, ...
