Patent application number | Description | Published |
20090113054 | Threshold-Based Normalized Rate Earliest Delivery First (NREDF) for Delayed Down-Loading Services - A content delivery system comprises at least one content server that servers a number of client requests. The content server uses a Threshold-Based Normalized Rate Earliest Delivery First (TB-NREDF) scheduler. The TB-NREDF scheduler imposes a threshold value, or limit, on the number of rescheduling requests. | 04-30-2009 |
20090177792 | Performance Aware Peer-to-Peer Content-on-Demand - A method is described including receiving a streamed leading content sub-clip, determining a set of needed content sub-clips, locating one of the set of needed content sub-clips and downloading the located content sub-clip. A system for providing content-on-demand is described having a peer, a server and a tracker. The tracker may be co-located with the server. The peer includes means for receiving a streamed leading content sub-clip, means for determining a set of needed content sub-clips, means for locating one of the set of needed content sub-clips and means for downloading the located content sub-clip. | 07-09-2009 |
20090202221 | Support for Interactive Playback Devices for Performance Aware Peer-to-Peer Content-on Demand Service - A method and apparatus are described comprising detecting a playback operation, determining a target playback point for the playback operation and detecting a sub-clip type into which the target playback point falls. The method and apparatus also receive a streamed leading sub-clip, determine a set of needed sub-clips, locate one of the set of needed sub-clips and download the located sub-clip. | 08-13-2009 |
20100030909 | CONTRIBUTION AWARE PEER-TO-PEER LIVE STREAMING SERVICE - A method and system for live streaming in a peer-to-peer network are described including determining peer entitled and excess degree, identifying and contacting a potential parent peer and executing a contribution aware connection policy. | 02-04-2010 |
20100042668 | HIERARCHICALLY CLUSTERED P2P STREAMING SYSTEM - A HCPS (hierarchically clustered P2P streaming system) comprising peers grouped into clusters and hierarchies. The HCPS actively balances the uploading capabilities among clusters and executes an optimal scheduling algorithm within each cluster to ensure that system resources are optimally utilized. The HCPS comprises an architecture which can be used in practical applications, yet can achieve the streaming rate close to the theoretical upper bound. | 02-18-2010 |
20100064049 | CONTRIBUTION AWARE PEER-TO-PEER LIVE STREAMING SERVICE - A method of admitting a joining contribution-aware peer to a peer-to-peer network is described including receiving a plurality of system parameters at the joining peer, the plurality of system parameters further including a system resource index and determining an entitled incoming degree value for the joining peer, the determined entitled incoming degree reflecting a value of the system resource index. Also described is a bootstrap node for a contribution-aware peer-to-peer network including a processor device and a network interface device coupled to the processor device, the network interface device being adapted to be coupled to a communication network, the processor device being adapted to receive a request for potential parent peer identification information from the communication network through the network interface device and whereas the processor device is adapted to respond with a plurality of device identification values and a system parameter. | 03-11-2010 |
20100081452 | WIRELESS SENSOR BASED CAMERA LOCATION AND ORIENTATION - An apparatus a receiver for a camera for signal communication with transmitters in known locations for determining location of the camera, a compass for the camera for determining orientation of the camera, and a device for determining time associated with the determined camera location and orientation. | 04-01-2010 |
20100110181 | Passive Positioning Information Of a Camera In large Studio Environment - In one embodiment of the present invention, a method includes locating at least one transmitter on at least one movable camera for transmitting a signal detectable by receivers located in fixed positions for distance measurements of the camera with respect to the receivers for location processing of the distance measurements. The method can further include detecting out of range measurements from collected range measurements based on receivers in known locations as an indication of the movement of a transmitter responsive to signals from the transmitter. | 05-06-2010 |
20100138511 | QUEUE-BASED ADAPTIVE CHUNK SCHEDULING FOR PEER-TO PEER LIVE STREAMING - A method and apparatus are described for scheduling content delivery in a peer-to-peer network, including receiving a message from a peer, classifying the received message, storing the classified message in one of a plurality of queues based on the classification, generating responses to messages based on a priority of the queue in which the classified message is stored and transmitting content to all peers in the peer-to-peer network. Also described are a method and apparatus for scheduling content delivery in a peer-to-peer network, including receiving one of a message and content from one of a content source server and a peer, classifying the received message, storing the classified message in one of a plurality of queues based on the classification, storing the received content, generating responses to messages based on a priority of the queue in which the classified message is stored and transmitting content to all other peers in the peer-to-peer network. | 06-03-2010 |
20100185753 | UNIFIED PEER-TO-PEER AND CACHE SYSTEM FOR CONTENT SERVICES IN WIRELESS MESH NETWORKS - A method and apparatus for receiving content over a wireless network are described, including determining a first server from which to receive a content clip to be streamed, requesting the content clip to be streamed from the selected first server, receiving the streamed content clip from the selected first server, determining a peer device from which to receive a content clip to be downloaded, requesting the content clip to be downloaded and receiving the downloaded content clip. The first server is a mesh content server. | 07-22-2010 |
20100241409 | VARIANTS IN GRAPHICAL MODELING ENVIRONMENTS - This invention allows users to build, manipulate, and finally deploy various model configurations with little performance overhead, better syntactic clarity and configuration flexibility. | 09-23-2010 |
20100241747 | Admission control for performance aware peer-to-peer video-on-demand - A method and apparatus for performing admission control in a peer-to-peer video-on-demand system are described including determining if there is sufficient bandwidth to support leading sub-clip streaming for a new request from a video playback device, determining if there is sufficient bandwidth to admit the request without sacrificing quality of service for existing requests, accepting admission of the new request if both determining acts are positive and rejecting admission of the new request if either of the determining acts are negative. Also described is an apparatus for providing content to a video playback device in a peer-to-peer video-on-demand system including an admission control unit and a data engine component. | 09-23-2010 |
20100281509 | Prefix caching assisted quality of service aware peer-to-peer video on-demand - A multimedia-on-demand peer-to-peer device acting as a receiving peer includes a local cache memory device adapted to store a multimedia prefix. Local storage of the multimedia prefix allows rapid commencement of playback of the requested multimedia program without substantially loading the streaming capacity of an associated server device. The storage of multimedia prefixes in local cache memory of the receiving peer device can take place during periods of relatively low network loading so as to optimize network and server scheduling. Included is a method and apparatus for performing admission control in a peer-to-peer multimedia-on-demand system. The admission control system determines if there is sufficient system capacity to support a new request from a peer-to-peer device acting as a client in light of the presence of stored multimedia prefixes at the peer-to-peer device acting as a receiving peer device, among other factors. | 11-04-2010 |
20110225311 | UNIFIED CACHE AND PEER-TO-PEER METHOD AND APPARATUS FOR STREAMING MEDIA IN WIRELESS MESH NETWORKS - A method and apparatus are described including receiving a route request message to establish a streaming route, determining a cost of a reverse route and traffic load introduced by the requested streaming route, discarding the route request message if one of wireless interference constraints for the requested streaming route cannot be satisfied and quality of service requirements for the requested streaming route cannot be satisfied, pre-admitting the route request message if wireless interference constraints for the requested streaming route can be satisfied and if quality of service requirements for the requested streaming route can be satisfied, adding a routing table entry responsive to the pre-admission, admitting the requested streaming route, updating the routing table and transmitting a route reply message to an originator if requested content is cached, updating the route request message and forwarding the updated route request message if the requested content is not cached, receiving a route reply message and deleting the pre-admitted routing table entry if a time has expired. | 09-15-2011 |
20110225312 | UNIFIED CACHE AND PEER-TO-PEER METHOD AND APPARATUS FOR STREAMING MEDIA IN WIRELESS MESH NETWORKS - A method and apparatus are described including determining a number of clips to be streamed, requesting a selection of a mesh cache server to meet quality of service requirements for streaming the determined number of clips, establishing a streaming route responsive to the mesh cache server selection, receiving the number of streamed clips from the selected mesh cache server if the request is granted, joining a peer-to-peer network, downloading a next clip via the peer-to-peer network, requesting a selection of a mesh cache server to meet quality of service requirements for complimentary streaming any data missing from the next clip, receiving any data missing from the next clip via complimentary streaming if the request for complimentary streaming is granted and continuing to download any missing data of the next clip that has at least one of not passed its playback deadline and not been requested via complimentary streaming. | 09-15-2011 |