H04N21/26616

Apparatus and methods for delivery of multicast and unicast content in a content delivery network

Methods and apparatus for providing delivery of content to client devices of a network via both multicast and unicast mechanisms. In one embodiment, a system for use in a managed content delivery network is described to bridge multicast to unicast, so that the total network bandwidth consumption is significantly lower than a corresponding unicast-only delivery solution, yet which still provides improved quality of service and user viewing experience as compared to a multicast-only delivery solution. In addition, various exemplary aspects of the present disclosure are readily adapted for real-time multicast to unicast streaming of audio and data to, among other things, minimize network bandwidth usage, while maintaining the guaranteed delivery of unicast streams with little or no modification to the existing client device logic.

Method for transmitting data sets to mobile terminals

Data sets are transmitted to mobile terminals, which are connected by a radio network to a data server connected to a data network, wherein the data server is configured to transmit the data sets via the radio network to terminals located in a radio cell of the radio network as a broadcast signal or optionally as an individual signal directed specifically to one or more terminals, wherein a total signal emitted into the radio cell contains a corresponding broadcast signal part and a corresponding individual signal part. In one embodiment, a user profile is associated with each of the terminals identified in the radio cell and the content of the data sets transmitted in the broadcast signal part in accordance with a determined broadcast signal part factor is compiled in accordance with the information stored in the user profiles.

METHODS AND APPARATUS FOR CLIENT-BASED DYNAMIC CONTROL OF CONNECTIONS TO CO-EXISTING RADIO ACCESS NETWORKS
20190373301 · 2019-12-05 ·

Methods and apparatus for monitoring and controlling access to coexisting first and second networks, such as within a venue. In one embodiment, the first network is a managed network that includes wireless access points (APs) in data communication with a backend controller, which communicates with a client process on a user device. The client process uses indigenous radio technology of the user device to scan for coexisting networks, and report results to the controller. In one variant, the controller dynamically adjusts transmit characteristics of the AP(s) to manage interference between the coexisting networks. In another variant, the controller causes the energy detect threshold of the user device to be lowered so that it may detect WLAN signals when a coexisting RAT (for example, LTE-U or LTE-LAA) occupies the same channel and/or frequency. In another variant, the client process autonomously adjusts user device operation based on the scan.

Efficient Insertion of Media Items in Media Streams
20190364334 · 2019-11-28 ·

This document describes systems, methods, devices, and other techniques for determining media items to insert in a media stream. A first media client can play a primary media stream that is multicast to various media clients including the first media client and other media clients. The first media client identifies a start of a primary programming timeslot in the primary media stream, and in response, obtains and stores a secondary media item. After storing the secondary media item at the first media client, the first media client detects an insertion signal in the primary media stream that indicates a secondary programming timeslot is about to begin in the primary media stream. The first media client can then play the secondary media item in place of the primary media stream during the secondary programming timeslot.

Systems and methods for enhanced trick-play functions
11956514 · 2024-04-09 · ·

Systems and methods for rewinding a video to a point before the video was first viewed. Video transmitted by a media source is cached by a remote server. Upon a trick-play request for the video, the server generates a rewind stream that includes the video that was transmitted by the media source before the user started to view the video. Upon receiving the rewind stream, the user's equipment may cache the rewind stream in a rewind buffer and rewind or play from the rewind buffer. The server may also generate and transmit a forward stream of the video that the media source has not yet transmitted. The user's equipment may cache the forward stream in a forward buffer. To perform trick-play operations with the video, the user's equipment may migrate the playback of the video to the rewind and forward buffers and rewind or fast-forward the video from the buffers.

Method and apparatus to deliver a personalized media experience

Aspects of the subject disclosure may include, for example, a method comprising encoding, by a server comprising a processor, media content to generate a plurality of media content files each having a filename and a uniform resource locator. The method also comprises receiving a channel request from a client media processor and generating a playlist. The playlist is mapped to the requested channel, and includes a filename and uniform resource locator for a personalized content file that is not included in the media content files. The method further comprises receiving a file request from the client media processor in accordance with the playlist, multicasting the plurality of media content files so that the client media processor receives the plurality of media content files, and delivering the personalized content file to the client media processor to enable presentation of personalized content in accordance with the playlist. Other embodiments are disclosed.

Hybrid network system, channel content playback method, and hybrid set top box

A channel content playback method based on a hybrid network system which may avoid idleness of a digital video broadcasting (DVB) network and a hybrid set top box that may implement the method. The method includes accessing, by the hybrid set top box, an electronic program guide (EPG) system, acquiring, from the EPG system, a channel list of channel content, receiving, based on channel selection performed by a user according to the channel list, target channel content through a DVB network channel, acquiring a first uniform resource locator (URL) from the EPG system according to a rewind operation of the user, and acquiring, according to the first URL, the rewound target channel content from a content delivery network (CDN) system located in an Internet Protocol (IP) network.

Methods and apparatus for supporting VOD requests in a system with hierarchical content stores
10405048 · 2019-09-03 · ·

Methods and apparatus for supporting video on demand requests in a system supporting hierarchical content stores, e.g., program caches, is described. Requested content is requested by a local streaming device from a remote cache when it is not available in a local cache. Content, e.g., I, P and B frames, supplied by the remote cache is tracked and content delivery is initiated prior to receipt of the full program from the remote content store. Trick play content is requested as needed from the remote content store to respond to trick play commands. Frames which are received as part of the trick play content stream are tracked and not included in normal play data subsequently obtained from the remote cache. The storage of the trick play data along with subsequent normal play data results in a full set of the program content being received and stored in a local cache for streaming in response to a VOD request.

Multicast aggregation of multiple streaming connections

A terminal receives a first request by a client for a slice of a data stream, and transmits the request to a streaming server. The terminal receives a first request by another client for the slice of the data stream and, in response, transmits the first request by the other client to the streaming server. The terminal receives a multicast packet that encapsulates the slice of the data stream, and extracts the slice. The terminal, then responds to the first request, by sending the client the extracted slice.

Method and system for delivering real-time content using broadcasting and unicasting

A system and method for operating includes providing a content for communication through a content distribution system having a broadcast mode and a unicast mode, determining a first number of user devices for receiving a communication of the content, determining a likelihood of consumption of the content by the first number of user devices, determining an available spectrum for communicating the content, determining a spectral efficiency for the unicast mode and the broadcast mode of the communication for each of the first number of user devices, selecting the broadcast mode or the unicast mode or both based on the first number of user devices, the likelihood of consumption of the content, the available spectrum and the spectral efficiency and communicating the content to the first number of user devices using the broadcast mode, the unicast mode or both based on selecting.