摘要:
A method of operating a Reliable Transmission Protocol switch node to provide an IPTV multicast. IP packets transporting an encrypted media stream are received from an IPTV Head-end. The media stream contains complete image frames. Unencrypted identifiers identifying packets containing complete image frame data are also received. The received packets are stored in a buffer, and on receipt of a request from a media renderer to provide the IPTV multicast, the packet(s) containing the last complete image frame in the media stream and all subsequent packets are sent to the media renderer.
摘要:
A method of setting up a session between a client terminal and a media supply system in order to transport a unicast media stream from the media supply system to the client terminal over an intervening IP network, the media supply system implementing the Real Time Streaming Protocol. The method comprises conducting a negotiation between the client terminal and the media supply system over an IP Multimedia Subsystem network in order to identify to the IP Multimedia Subsystem network the source and destination IP addresses and port numbers for the media stream, and subsequently sending Real Time Streaming Protocol messages from the client terminal to the media supply system in order to control the playout of media from the media supply system.
摘要:
A method and nodes in a communication network for controlling multi-cast delivery of files, wherein the multi-cast delivery is adapted to reduce the amount of required uni-cast file deliveries in the communication network. A browser of an IPTV Terminating Function requiring a file interrogates a cache of the IFT for the file content before a uni-cast request for file delivery is sent to an Application Service Platform. The files stored in the cache have been previously delivered to the IFT via the proposed multi-cast mechanism. If the file content is not stored in the cache, a uni-cast request is sent to the ASP. Each uni-cast request is also forwarded to a Multi-Cast Controller, which determines whether the requested file should be sent also to a plurality of additional IFTs on a multi-cast channel. At each IFT, listening to the multi-cast channel, the received content can be handled selectively according to a filtering mechanism, and a received file may, e.g. be stored in the cache for later retrieval.
摘要:
This invention concerns a process and a system for providing location information for a wireless unit in a wireless network to a location-based service provider, using a data network. In particular, the location information is provided to the location-based service provider without necessarily providing the identity of wireless unit, e.g., a subscriber's wireless identification number, to the service provider. In this regard, a subscriber's identification number may be hidden from the positioning service provider via a process in which an alias is used instead of the subscriber's normal identity. The subscriber's number may further be concealed from the service provider via a process wherein encrypted information is used instead of the subscriber's normal identity.
摘要:
A system and method for verifying an application's authorization to receive position information comprising receiving a request for position information from the application, determining that the application has not yet been approved to receive the requested position information, sending a challenge key to the device on which the application is running, sending an application key to the application, sending a challenge string to the application, receiving an encrypted hash of the challenge key, application key and challenge string from the application, verifying that the encrypted hash is an expected value, and sending positioning server information to the application.
摘要:
It is presented a method executed in a streaming media receiver, the streaming media receiver comprising native software and web software for executing a web application. The method comprising the steps of: receiving, in an active web application running in the web software, a message indicating that the streaming media receiver is to be put in a passive standby mode; sending, from the active web application, a message to the native software indicating when the active web application is to be reinstated; setting, from the native software, a timer with the time of when the web application is to be reinstated; setting the streaming media receiver in a passive standby mode; receiving, in the native software, a signal that the timer has expired; setting the streaming media receiver in an active standby mode; and sending, from the native software, a message to the web application that the timer has expired.
摘要:
This invention concerns a process and a system for providing location information for a wireless unit in a wireless network to a location-based service provider, using a data network. In particular, the location information is provided to the location-based service provider without necessarily providing the identity of wireless unit, e.g., a subscriber's wireless identification number, to the service provider. In this regard, a subscriber's identification number may be hidden from the positioning service provider via a process in which an alias is used instead of the subscriber's normal identity. The subscriber's number may further be concealed from the service provider via a process wherein encrypted information is used instead of the subscriber's normal identity.
摘要:
A method and arrangement in a media equipment (300) for enabling instant and uninterrupted layout of a media object when selected by a user. The media equipment obtains (3:1) information on available bandwidth for media transfer and receives (3:2) references to a selection of offered media objects, e.g. from an IPlV server (302). The media equipment downloads and pre-buffers (3:4) opening parts of at least some of the media objects from one or more content servers (304) according to the available bandwidth for media transfer. A list of the offered media objects is displayed (3:5), and as soon as the user selects a pre-buffered media object from the displayed list, playout of the pre-buffered opening part of the selected media object is started (3:7). The remaining part of the media object is also downloaded (3:8) during continued playout. Thereby, the pre-buffered media objects can be played out immediately and without interruption, and still, not more than necessary media data can be pre-buffered at the media equipment.
摘要:
It is presented a method executed in a streaming media receiver, the streaming media receiver comprising native software and web software for executing a web application. The method comprising the steps of: receiving, in an active web application running in the web software, a message indicating that the streaming media receiver is to be put in a passive standby mode; sending, from the active web application, a message to the native software indicating when the active web application is to be reinstated; setting, from the native software, a timer with the time of when the web application is to be reinstated; setting the streaming media receiver in a passive standby mode; receiving, in the native software, a signal that the timer has expired; setting the streaming media receiver in an active standby mode; and sending, from the native software, a message to the web application that the timer has expired.
摘要:
A method of selecting and controlling an electronic device by gestures on a remote control includes determining a number of fingers touching a screen of the remote control; based on the number determined, setting an address context corresponding to the electronic device; identifying a gesture made by the fingers on the screen; and based on the gesture identified, generating a corresponding command to be sent to the electronic device corresponding to the set address context.