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The paper presents an evaluation of the performances and the coexistence of standard home automation radiofrequency protocols such as KNX-RF Multi, Zigbee and EnOcean with Bluetooth Low Energy protocol available in smartphone and tablets in the domain of smart grid and smart home. This work allows describing an overall interoperable and efficient radiofrequency system in this domain based on the strengths...
The paper presents simulation tools to determine battery lifetimes of different products for a complete RF standard home automation system based on KNX and Bluetooth Low Energy. 2D and 3D results allow studying various parameters of these RF protocols and the performances of the radio chips used.
A key requirements in the Internet of Things (IoT) concept are context-aware computation, smart connectivity with existing networks and cost efficient low-power wireless solutions. Bluetooth Low Energy (BLE) is one of the latest developments of IoT and especially well-suited for ultra-low power sensors running on small batteries. BLE is successful alternative for indoor positioning systems (IPS) which...
Intra-Vehicular Wireless Sensor Network (IVWSN) is a new automotive architecture that applies wireless technologies to the communications between Electrical Control Units (ECUs) and sensors. It can potentially help achieve better fuel economy, reduce wiring complexity, and support additional new applications. In the existing works, most of the popular wireless technologies applied on IVWSNs occupy...
In this paper we present a concept for a test system, that can establish an IP connection over NFC. Any further IP data traffic is then tunneled through a wireless NFC link. Besides a short introduction about the NFC technology, this concept is described in the first part of the paper. This system has been realized with two NFC boards, each equipped with an NFC radio chip, and was tested on its performance...
Bluetooth communication is based on frequency hopping spread-spectrum and time division duplexing. Bluetooth devices must be properly synchronized so that they can hop together; the synchronization is done by using the same channel set as well as the same hopping sequence within that channel set along with the time synchronization. Frequency hopping sequences are derived from Bluetooth device addresses...
With the promotion of industry community, wireless sensor network (WSN) has been widely applied to many fields. In this paper, current research status and possible development trend of application-oriented wireless sensor network (AOWSN) are introduced firstly. Second, we analyze and compare the short distance wireless communication protocols that can be used in WSN such as ZigBee, Wibree, Rubee,...
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