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Article An Indoor Navigation Aid Designed for Visually Impaired People(2008 34th Annual Conference of IEEE Industrial Electronics, 2008) Öktem, Ruşen; Aydın, Elif; Çağıltay, NergizThis work introduces the hardware architecture and general principles of a portable indoor navigation system for guiding visually impaired people. It operates through wireless communication between a compact hardware interface unit carried by the user, a central processing unit and an active RFID unit. The RFID unit collects signals as regard to the position of the user, the central system processes those signals to estimate the position of the user and proposes a route and direction for the user to follow, whereas hardware interface unit provides interaction. The orienteering of the user is obtained by a tactile compass.Article A Remote Laboratory for Training in Radio Communications: Errl(IEEE, 2007) Kara, Ali; Aydın, Elif; Öktem, Ruşen; Çağıltay, NergizThis paper presents, first, a short survey of remote laboratory initiatives in electrical and computer engineering, and then discusses design and development phases of remote laboratory environment on radio communications, the ERRL (European Remote Radio Laboratory). As being the first attempt in establishing of such a large scale remote laboratory on radio communications, ERRL enables access to high technology RF equipments and setups through the Internet. The software structure, target groups and experimental set ups of ERRL are shortly discussed. First attempts on implementation of pilot experiments are discussed.
