As mentioned in previous section, the iBeacon protocol uses BLE signals to transmit information in a specific frequency e.g. Unlike on iOS, the only platform that provides native iBeacon support, the iBeacon functionality needs to be implemented on application level for the other platforms. We will limit ourselves in this work to the iOS platform and follow its application development guide- lines to ensure best user experience, nevertheless the concept can be easily adapted to companion devices with BLE support running other platforms like Android. Based on the technical discussion in previous section, we will propose some ideas for a user friendly remote launch mechanism of TV companion applications using iBeacon and Notification technologies. In this time frame the application can react to the changes in the user position and may request to show a local notification, through which the user can bring the application to the foreground. If the application was not running while the user crosses (enters or leaves) a Beacon region, the iOS device wakes up the application and launches it in the background only for 10 seconds. While a beacon is in range of an iOS device, apps can also monitor for the rel- ative distance to the beacon. Main usage area of iBeacon are location based services: iOS devices alert apps when the user approaches or leaves a region with an iBeacon. iBeacon transmitters are in general tiny and cheap sensors that can run up to 2+ years with a single coin battery depending on how frequent they broadcast information around. transmitter and alert applications on iOS devices nearby.
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