摘要:
A method and system for generating alerts based on predicted wireless connection losses. A message is received that includes a first position of a mobile device, an indication of a service being provided to the mobile device via a wireless connection provided by a first bearer, and an mobile device identifier. A direction and speed of the mobile device is received. An amount of time elapsing before the mobile device moves to a second position at which the mobile device experiences a loss of the wireless connection via the first bearer is predicted. An alert that indicates that the loss is occurring in the amount of time is generated. The alert is sent to the mobile device as a response to the message.
摘要:
A method of forming a picture in picture (PIP) service over an internet protocol (IP) transmission to one or more users, the method comprising the steps of: receiving a request for a PIP channel comprising a first predetermined channel superimposed with a second predetermined channel; determining if the PIP channel already exists; forming the PIP channel if it does not already exist; and transmitting the PIP channel on a dedicated channel to any users who have requested that PIP channel.
摘要:
A method of delivering a regional television channel to a user over an Internet Protocol Television (IPTV) service comprising the steps of forming a multicast of channels intended for delivery to a user each channel having a specific channel slot, the multicast of channels including one or more regional channels corresponding to one of the multicast of channels; broadcasting the multicast channels to the user through a regional gateway; forming a regional channel control signal for scheduling and requesting broadcast of the at least one regional channel instead of the one of the multicast of channels; transmitting the regional channel control signal to the regional gateway; and in accordance with the regional channel control signal, at the required time, switching the regional gateway to the at least one regional channel instead of the corresponding one of the multicast channels such that the regional channel is in the specific channel slot of the corresponding channel.
摘要:
A method of providing a preview and or replay function for a content on demand service provided by a service provider to a plurality of users. A method in accordance with an embodiment of the invention includes: generating a first stream of content for transmission to a user; generating one or more other streams of content, each of which are derived from the first stream of content and differ therefrom in that the other streams are each in advance of or after the first stream by a time difference; transmitting the first stream of content to the user; receiving a request from the user to view a preview or replay of a part of the content; and switching the user to one of the other streams of content, which other stream is at the time difference that matches the requested preview or replay part of the content.
摘要:
A system for delivering digital content to user devices. The system includes a content delivery server for establishing respective sessions with the user devices and for delivering streams of content to the user devices during the sessions according to a streaming protocol. An asset server is communicatively coupled to the content delivery server through an asset protocol for maintaining an asset scheduling table including asset entries, each asset entry including an asset identifier identifying a given asset in association with a starting time parameter, user identifiers identifying at least one target user device, and a set of session identifiers each identifying a session established with a target user device identified by the user identifiers. The content delivery server inserts, for each asset entry in the asset scheduling table, and for each session identified by a session identifier in the asset entry, the asset identified by the asset identifier of the asset entry into the stream of content delivered during the session, at a predefined insertion time.
摘要:
The invention provides a system and a method for automatically switching from a local storage to a remote storage for recording a broadcast video stream, the switching being triggered by the fact that the local storage is almost full, and for automatically switching from a local storage to a remote storage for playing a broadcast video stream in a delayed manner, the switching being triggered by the fact that the video frames in the local storage are exhausted.
摘要:
A method and system of managing one or more sessions in an Internet Protocol (IP) Multi-Media service (IMS) in which a session provides a stream of data of a specific protocol in order to provide a service to a user is provided. The method in one aspect includes storing details of a session for each user in a storage media, updating the storage media if there are changes to the session and using the details of the session to optimize the bandwidth and scheduling of the service as a whole.
摘要:
A method and system for generating optimal itineraries based on network connectivity. A computer receives a first message from which a current position of a vehicle on a trip, destination, service(s) being provided to mobile device(s) in the vehicle, service provider(s) and network(s) are extracted. Optimal itineraries are generated by generating sets of optimal parameters that include paths for which connectivity measures satisfy predefined criteria and hops that indicate positions associated with connectivity changes. A response to the first message indicates the optimal itineraries and the associated sets of optimal parameters and is sent to a vehicle-based device. Sending the response results in the mobile device(s) making the connectivity changes when the vehicle is detected at the hops.
摘要:
A method of building an interactive display related to TV programs in an internet protocol television (IPTV) environment includes parsing a plurality of TV programs provided in an IPTV environment for display to a user. The step of parsing includes capturing an image in each TV program, identifying video content in each captured image, interpreting the video content, capturing audio data, identifying an audio content in each captured audio data, and interpreting the audio content for each captured audio data. The method further includes the steps of identifying a selected TV program by the user; determining a correlation level between the interpreted video and audio content of the selected TV program and the interpreted video and audio content of each of the other TV programs; determining TV programs other than the selected TV program; and building and presenting a mosaic display on a TV display including the selected TV program.
摘要:
The invention provides a user device (3) connected to a source unit (2) through a communication network for receiving digital transmissions in the form of bursts from a source unit. The user device comprises a receiver (300) for receiving bursts from the source unit, and a rendering unit (36) for rendering the digital broadcast transmission based on the received bursts. The user device further includes: a buffer (320) for buffering for each received burst for a predefined buffer duration, the user device being provided to transmit the buffered bursts to the rendering unit in response to expiry of the predefined buffer duration, and a quality analyzer (37) for evaluating a quality indicator related to the quality of the burst, checking whether the quality indicator matches a quality condition related to a predefined quality threshold, and in response to the quality indicator of the received burst not matching the quality condition, requesting retransmission of the burst, the quality analyzer (37) being arranged to operate within the predefined buffer duration.