Abstract:
A remote control unit generates a first beam which a user points at one of a plurality of information appliances to select that appliance. After selecting the desired appliance, the user then actuates a button on a control keypad on the remote control unit to cause the unit to generate a second, modulated beam. The remote control unit modulates the second beam in accordance with a desired functionality of the information appliance to control the appliance accordingly.
Abstract:
A method and apparatus are described including receiving channel condition feedback from a device over a wireless channel, determining response to the channel condition feedback if a forward error correction coding rate is sufficient for the device to recover lost data, adjusting the forward error correction coding rate responsive to the second determining act and generating forward error correction packets using the adjusted forward error correction coding rate from source data.
Abstract:
A method and apparatus are described including assigning sub-channels to different multicast sessions under the assumption that in each session all sub-channels are allocated to all users of that session and power is equally allocated to each sub-channel, then for each session assigning the sub-channels to the users of that session under the assumption that the same amount of power is allocated to each sub-channel, then allocating remaining power to certain sub-channels within the session to increase multicast rate, finally modifying the sub-channel allocations among the multicast sessions depending on the sub-channel and power allocation within each multicast session.
Abstract:
A system and method for managing healthcare information is disclosed. The data servers each include a data manager that comprises a controller, a grid engine, applications, an application manager and a user interface engine. The controller manages the core functions and the transmission of data between data manager components. The grid engine manages information sent between data servers. The applications are applications that are created by the user or downloaded as third-party applications. The application manager manages the creation and communication between applications. The user interface engine generates user interfaces for displaying the applications and collecting clinical trial data.
Abstract:
A wireless LAN provides access to a mobile terminal (MT) utilizing beacon frames to broadcast access point (AP) service specific information. The MT listens to the beacon frames and compares the broadcast service(s) and service parameters to a predetermined service profile stored in the MT. When the services offered by an AP matches the services designated in the stored service profile, the MT associates with that particular AP.
Abstract:
The invention herein provides an apparatus and a method for automatically configuring an IEEE 802.1x client terminal to provide limited access in a WLAN environment, specifically utilizing the access point to filter traffic associated with the limited access so as to redirect the client terminal's HTTP request to a designated local web server. The web server responds to the client terminal by requesting information required to establish an authorized communication. Thereafter the client terminal provides information required to establish an authorized communication. In the course of the communication the web server sends information such as transmission rates, new user account creation information, authentication method selection, and access user terms and conditions of acceptance, all typically required to establish an authorized access. The client responds with information, required to establish an authorized communication.
Abstract:
An exemplar dictionary is built from example image blocks for determining predictor blocks for encoding and decoding images. The exemplar dictionary comprises a hierarchical organization of example image blocks. The hierarchical organization of image blocks is obtained by clustering a set of example image blocks, for example, based on k-means clustering. Performance of clustering is improved by transforming feature vectors representing the image blocks to fewer dimensions. Principal component analysis is used for determining feature vectors with fewer dimensions. The clustering performed at higher levels of the hierarchy uses fewer dimensions of feature vectors compared to lower levels of hierarchy. Performance of clustering is improved by processing only a sample of the image blocks of a cluster. The clustering performed at higher levels of the hierarchy uses lower sampling rates as compared to lower levels of hierarchy.
Abstract:
The invention provides an apparatus and a method for improving the control of access by a terminal device in a WLAN environment having an access point for determining whether the device utilizes an IEEE 802.1x protocol by the access point communicating to the device, a packet, whereby if the devices utilizes a IEEE 802.1x protocol the device appropriately responds and otherwise the access point determines that the terminal device protocol does not employ a IEEE 802.1x protocol and selects an authentication mechanism compatible with the terminal device. If the device is not an IEEE 802.1x client, an IP packet filtering is configured to redirect a user HTTP request to a local server, and when the HTTP requests are thereby redirected, the HTTP server presents the terminal device with information specifically related to the browser based authentication.
Abstract:
A method and apparatus are described including communicating with neighbor nodes in a wireless network, determining one-hop neighbor nodes and two-hop neighbor nodes responsive to the communication, determining a minimum multipoint relay set responsive to the first working channel determination and communicating over the wireless network using the minimum multipoint relay set.
Abstract:
A method and apparatus are described including allocating one of a plurality of sub-channels to one of a plurality of multicast group clients for a multicast session and performing bit-loading for the allocated sub-channel, wherein said performing act further includes finding one of the plurality of multicast group clients having a lowest received bit rate, finding one of the plurality of sub-channels needing a lowest power to transmit one more bit to the one of the plurality of multicast group clients having the lowest received bit rate, comparing the needed power to a residual power, adding one more transmission bit to the sub-channel if the needed power is not greater than the residual power and updating a multicast rate, the residual power and the power need to transmit one more bit if the needed power is not greater than the residual power.