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EnOcean defines data encoding rules for wireless energy harvesting

Posted: 19 Nov 2013     Print Version  Bookmark and Share

Keywords:EnOcean Alliance  radio communication  energy harvesting  wireless sensor 

The EnOcean Alliance has specified the first generic language for the communication of energy harvesting wireless solutions. Dubbed as Generic Profiles, these enable product manufacturers (OEMs) to develop interoperable EnOcean-based solutions easier and faster such as a variety of multipurpose wireless sensors.

Generic Profiles define the grammatical rules for all options of data encoding for ultra-low power and energy harvesting radio communication. Due to this generic language, the same product can be mapped dynamically to different applications.

The increasing number of energy harvesting wireless product providers in the EnOcean Alliance results in increased application variety for batteryless wireless communication. These are covered by the EnOcean Equipment Profiles (EEP), which define the structure of the communication content for particular applications. Generic Profiles extend this spectrum by defining a generalized language. This is particularly suitable for new product designs, which are intended to describe the energy harvesting wireless data encoding independently of the application.

Networks can combine EEP-based devices with products using Generic Profiles. In this case, only the receiving side, e.g. a controller solution, needs to cover both wireless interfaces. Wired systems that process batteryless radio don't need any change as the data interface remains transparent. This brings unique flexibility to new batteryless product developments and ensures the future-proof characteristics of existing ones.

Using Generic Profiles, multipurpose sensors, which measure temperature, humidity and presence, can now send their future data communication format in the teach-in telegram to the receiving system. There, the data is connected on the application level. The application automatically adjusts to this generic definition and sends back the information to the sensors, which values it needs or can process. If devices work bi-directionally, they can negotiate the accepted channels in a dialogue.

A summary of Generic Profiles can be found at Members of the EnOcean Alliance can download the complete version in the member portal.

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