Abstract: A method includes accessing building automation data comprising a plurality of data objects, each data object corresponding to a device in a building automation system, the data objects interrelated in a first hierarchy. The method also includes receiving an event condition indication from a first device in the building automation system, and storing an indication of the event condition in a first data object corresponding to the first device. The method also includes propagating an indication of the event condition to upstream objects in the first hierarchy.

Abstract: A method includes accessing building automation data comprising a plurality of data objects, each data object corresponding to a device in a building automation system, the data objects interrelated in a first hierarchy. The method also includes receiving an event condition indication from a first device in the building automation system, and storing an indication of the event condition in a first data object corresponding to the first device.

Abstract: Wireless communications devices (102, 104, 106) that communicate via an adaptive bandwidth communications protocol (300). Wireless devices (102, 104, 106) utilize a multiple carrier time division/frequency division multiplexing format where time slots (330, 332) are adaptively assigned across multiple RF carriers. Preferred embodiments assign time coincident time slots (330, 340, 350, 360) on multiple RF carriers so as to allow shorter transmission and reception times and therefore shorter transmitter and receiver activation times in order to conserve power in portable devices (104, 106). Time slots are adaptively assigned and deallocated in response to events that alter communications bandwidth requirements.

Abstract: A method and a computer readable medium for reducing distractions of a mobile device user include determining, if a mobile device is moving; and if the mobile device is moving, then selecting a message for notifying a caller that a called party is unavailable. Determining is done from the viewpoints of a mobile device and a mobile service provider. Preferably, determining if the mobile device is moving includes checking with a GPS system if coordinates are changing within a given limit. The mobile device includes a controller; a detector coupled to the controller for detecting if the mobile device is moving in a given region; and means for selecting a message for notifying a caller that a called party is unavailable. In one embodiment, the detector is a GPS receiver.

Abstract: A mobile communication device (100) determines a background noise level at a microphone (104). If, after determining the noise floor, the input signal exceeds a threshold, the mobile communication device transmits the input signal. The threshold is established such that if it is exceeded, it is likely that voice energy is being received at the microphone, and the threshold, in a first embodiment, is increased as the background noise level increases. In a second embodiment the threshold is determined as the difference between the input signal and the background noise level. As background noise increases, the threshold actually decreases.

Abstract: Echo suppression is accomplished by comparing the ratio of the microphone (101) and speaker (121) energies to a dynamic threshold that varies with the background noise (310) at a second communication device (130), and transmitting locally generated noise when the potential for echo exists. The use of the dynamic threshold provides for echo suppression with significantly better doubletalk performance.