Koninklijke KPN (KKPNY) USPTO patents

A system (11) is configured to maintain a list of devices (1,9) associated with the system, wherein for each first device (1) of the list which uses a second device (9) of the list as a relay to the mobile communication network, the relation between the first device and the second device is recorded in the list and a security endpoint is recorded for the first device.

A method for adaptive streaming of nonlinear video is described wherein the method comprises receiving a manifest file comprising metadata defining a playback period defining video data of a predetermined playback duration, a playback period including at least one adaptation set defining a plurality of representations, each representation defining a set of segment identifiers, each segment identifier identifying a segment comprising a sequence of video frames; the metadata further comprising spatial playback information including at least a first region descriptor associated with a first adaptation set of a first playback period, the first region descriptor defining a destination identifier and a first region in video frames of the first adaptation set, the destination identifier signaling the client apparatus that the first region is linked to a second adaptation set; the client apparatus using the metadata to playback video data of the first adaptation set by requesting one or more network nodes to transmit segments of the first adaptation set; and, receiving or determining, during playback of requested segments, information associated with at least a second region in the video frames of the first adaptation set, the second region defining a region of interest (ROI) of a user of the client apparatus; the client apparatus selecting the second adaptation set for playback after the end of the playback of the first adaptation set on the basis of the first and second region, the selecting being based on a distance or an overlap between the first and second region.