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Yayın Designing innovative applications using near field communications (NFC) technology(Işık Üniversitesi, 2012-01-26) Özdenizci Köse, Büşra; Coşkun, Vedat; Işık Üniversitesi, Fen Bilimleri Enstitüsü, Enformasyon Teknolojileri Yüksek Lisans ProgramıNowadays, there is a growing interest on rapid development and adoption of information technologies (IT) especially in contactless smart cards and mobile communication technologies. Near Field Communication (NFC) technology has become one of the promising technological developments in IT industry as well as one of the attractive research areas. NFC technology is a short range, high frequency, low bandwidth and wireless communication technology based on Radio Frequency Identification (RFID) technology, which simplifies and secures the interaction with ubiquitously around people. NFC ecosystem is designed from synergy of several technologies including mobile devices, smart cards, secure elements (SEs), Over-the- Air (OTA) technology, and mobile applications; hence it enables a variety of services with a dynamic environment. The aim of this study is to present NFC Loyal and NFC Internal applications with a comprehensive analysis of the NFC technology in aspects of technical, operational as well as business. NFC Loyal aims to promote loyalty and payment services on multi-application smart cards through a secure model. In case of NFC Internal, a reliable and low cost indoor navigation system is designed by taking advantages of NFC technology. This study gives valuable insights on the NFC technology's development and adoption.Yayın NFC internal: An indoor navigation system(MDPI AG, 2015-04) Özdenizci Köse, Büşra; Coşkun, Vedat; Ok, KeremIndoor navigation systems have recently become a popular research field due to the lack of GPS signals indoors. Several indoors navigation systems have already been proposed in order to eliminate deficiencies; however each of them has several technical and usability limitations. In this study, we propose NFC Internal, a Near Field Communication (NFC)-based indoor navigation system, which enables users to navigate through a building or a complex by enabling a simple location update, simply by touching NFC tags those are spread around and orient users to the destination. In this paper, we initially present the system requirements, give the design details and study the viability of NFC Internal with a prototype application and a case study. Moreover, we evaluate the performance of the system and compare it with existing indoor navigation systems. It is seen that NFC Internal has considerable advantages and significant contributions to existing indoor navigation systems in terms of security and privacy, cost, performance, robustness, complexity, user preference and commercial availability.Yayın A tokenization-based communication architecture for HCE-Enabled NFC services(Hindawi Publishing Cor, 2016) Özdenizci Köse, Büşra; Ok, Kerem; Coşkun, VedatFollowing the announcement of Host Card Emulation (HCE) technology, card emulation mode based Near Field Communication (NFC) services have gained further appreciation as an enabler of the Cloud-based Secure Element (SE) concept. A comprehensive and complete architecture with a centralized and feasible business model for diverse HCE-based NFC services will be highly appreciated, particularly by Service Providers and users. To satisfy the need in this new emerging research area, a Tokenization-based communication architecture for HCE-based NFC services is presented in this paper. Our architecture proposes Two-Phased Tokenization to enable the identity management of both user and Service Provider. NFC Smartphone users can store, manage, and make use of their sensitive data on the Cloud for NFC services; Service Providers can also provide diverse card emulation NFC services easily through the proposed architecture. In this paper, we initially present the Two-Phased Tokenization model and then validate the proposed architecture by providing a case study on access control. We further evaluate the usability aspect in terms of an authentication scheme. We then discuss the ecosystem and business model comprised of the proposed architecture and emphasize the contributions to ecosystem actors. Finally, suggestions are provided for data protection in transit and at rest.Yayın The survey on Near Field Communication(MDPI, 2015-06) Coşkun, Vedat; Özdenizci Köse, Büşra; Ok, KeremNear Field Communication (NFC) is an emerging short-range wireless communication technology that offers great and varied promise in services such as payment, ticketing, gaming, crowd sourcing, voting, navigation, and many others. NFC technology enables the integration of services from a wide range of applications into one single smartphone. NFC technology has emerged recently, and consequently not much academic data are available yet, although the number of academic research studies carried out in the past two years has already surpassed the total number of the prior works combined. This paper presents the concept of NFC technology in a holistic approach from different perspectives, including hardware improvement and optimization, communication essentials and standards, applications, secure elements, privacy and security, usability analysis, and ecosystem and business issues. Further research opportunities in terms of the academic and business points of view are also explored and discussed at the end of each section. This comprehensive survey will be a valuable guide for researchers and academicians, as well as for business in the NFC technology and ecosystem.
