专利汇可以提供Interactive event cast to multiple mobile devices专利检索,专利查询,专利分析的服务。并且Systems and devices for, and methods of, interactive event casting, by: (a) scheduling a plurality of transactions, where the scheduling may be based on passing a system time and a channel usage schedule; (b) aggregating the plurality of transactions, where the aggregating results in minimizing data transfer traffic; (c) executing a data compression and error correction scheme, where the data compression scheme may be based on dynamically changing bitrate of a video data stream according to local access point data traffic; and (d) communicating between network devices using multi-cast for compressed video streams with error-correction code and (e) initiating an application, where the initiated application performs error correction, decompresses the received video data stream, and where the decompressed video data stream may be spooled.,下面是Interactive event cast to multiple mobile devices专利的具体信息内容。
What is claimed is:
This application is a continuation in part of patent application Ser. No. 13/633,758 filed Oct. 2, 2012, and claims priority to and the benefit of Provisional Patent Application No. 61/834,812 filed Jun. 13, 2013, the contents of which are hereby incorporated by reference herein in their entirety and for all purposes.
Interactive features such as social media, games, security, and site services may be accessed through mobile phones or devices. Standards may define one or more specifications and features for mobile networks, systems, and devices. Presently, mobile, i.e., portable and wireless, devices are readily available and universally used, especially where a large group of people are attending the same event. Accordingly, since the popularity of such devices has increased so dramatically, managing large numbers of mobile devices in an environment where a large group of people are gathered in one place may be desirable.
Embodiments include methods, systems, and devices where, for example, a method embodiment may include the steps of: (a) scheduling, by a networked computing device, a plurality of transactions associated with a first computing device, wherein the scheduling is based on passing to the first computing device a system time and a channel usage schedule; (b) aggregating, by the networked computing device, the plurality of transactions associated with the first computing device, where the aggregating results in minimizing data transfer traffic between the networked computing device and the first computing device; (c) executing, by the networked computing device, data compression and error correction schemes associated with the first computing device, wherein the data compression scheme may be based on dynamically changing bitrate of a video data stream according to local access point data traffic; (d) communicating, between the networked computing device and the first computing device, the compressed streams with error codes using a multi-cast method; (e) initiating, by the first computing device, an application, where the initiated application decompresses the received video data stream, performs error correction, and where the decompressed video data stream may be spooled in a memory location of the first computing device. Optionally, the networked computing device may be external to the first computing device behind a network firewall. In some embodiments the first computing device may be a mobile device. In other embodiments the networked computing device may be a server computing device. Additionally, the mobile device may comprise a web application hosting platform.
Embodiments of a method, by a networked computing device, may also include the steps of: (a) aggregating a plurality of transactions associated with a first computing device, wherein the aggregating may result in minimizing data transfer traffic between the networked computing device and the first computing device; (b) executing a data compression scheme and error correction scheme associated with the first computing device, where the data compression scheme and error correction scheme may be based on dynamically changing bitrate of a video data stream according to local access point data traffic, and the error correction scheme may be via inserting error codes in the video data stream; (c) transmitting the compressed video data stream with error codes via a communication channel between the networked computing device and the first computing device via a multi-case method; (d) initiating an application, where the initiated application may perform an error correction operation, decompress the received video data stream, and conceal missing audio and video data, thereby improving viewing experiences of users, and where the decompressed video data stream may be spooled in a memory location of the first computing device; and (e) reporting, by the first computing device to the networked computing device, information about usage, quality of displayed data, and performance for monitoring and control of the system.
Embodiments include methods, systems, and devices where, for example, a networked computing device embodiment may include: a processor and addressable memory comprising a set of one or more applications, where the processor may be configured to: schedule a plurality of transactions associated with a first computing device, where the schedule may be based on passing to the first computing device a system time and a channel usage schedule; aggregate the plurality of transactions associated with the first computing device, where the aggregation may result in minimizing data transfer traffic between the networked computing device and the first computing device; execute a data compression scheme associated with the first computing device, where the data compression scheme may be based on a dynamic change in bitrate of a video data stream based on local access point data traffic; insert error correction codes into the data stream; perform temporal interleaving of the data packets; and communicate between the network devices using multi-cast and unicast methods. Optionally, the networked computing device may be external to the first computing device disposed behind a network firewall. In some embodiments, the first computing device may be a mobile device. In other embodiments, the mobile device comprises a web application hosting platform.
Other embodiments include methods, systems, and devices where, for example, a system embodiment may include: (a) a first computing device, operably coupled to a networked computing device via a communication medium, the networked computing device comprising: (i) a memory and a processor configured to: (1) communicate simultaneously from the first computing device to a plurality of network computing devices using multi-cast and uni-cast messages; (2) schedule a plurality of transactions associated with the first computing device, where the schedule may be based on passing to the first computing device a system time and a channel usage schedule; (3) aggregate the plurality of transactions associated with the first computing device, where the aggregation results in minimizing data transfer traffic between the networked computing device and the first computing device; (4) execute a data compression and error correction scheme associated with the first computing device, where the data compression scheme may be based on a dynamic change in bitrate of a video data stream based on local access point data traffic; (5) communicate between network devices using multi-cast and unicast methods, and (6) send to the first computing device the compressed video data stream based on the scheduled transactions and aggregated transactions; and (b) the first computing device comprising: a processor, where the processor may be configured to: initiate an application, where the initiated application performs error correction to the data stream, decompresses the received compressed video data stream, performs error concealment, and where the decompressed video data stream may be spooled in a memory location of the first computing device.
Embodiments are illustrated by way of example and not limitation in the figures of the accompanying drawings, and in which:
The exemplary embodiments of the networked computing devices relate to techniques for bandwidth use control, variable bitrate video compression, use of error correction methods, error concealment, and transaction optimization, particularly those used to minimize cost and complexity of wireless network systems. These embodiments may apply to broadcast networks, wired or wireless, and to specifications or standards, including those that may later be developed. In one embodiment, an interactive, live broadcast may be streamed to mobile devices using wireless local area network (WLAN) products that may be based on the Institute of Electrical and Electronics Engineers' (IEEE) 802.11 standards, for example, wireless WiFi®, or other wireless networks with broadcast methods such as Long Term Evolution (LTE). The mobile devices may act as a video display and recorder, showing, for example, multiple camera views, game, and event information, trivia, and promotions under the control of the user. Devices that may use WLAN, for example, mobile phones, specifically smartphones, personal computers, video game consoles, tablets, and/or digital audio players, may connect to a network resource such as the Internet via a wireless network access point. In one embodiment, the system may manage large numbers of mobile devices in a crowd environment, via for example, bandwidth use control, variable bitrate video compression, error correction and error concealment, and transaction optimization, thereby minimizing cost and complexity of the system.
In one embodiment, the mobile devices 110,115 may execute a set of one or more applications via an operating system (OS) that may be running on the device. The application set may be limited in functionality, e.g., limited access to memory and to operating system services, according to a set of rules; rules which may be defined per application, per set of applications, or per device. The set of applications may be executed in an environment where data that may include streaming data, for example, videos, may be transmitted to and received by a computing device. The computing system 100 may broadcast live video streams over the WLANs 120,125 along with other non-streaming content. In one embodiment, the software application running on the devices 110,115 may include a capability to display multiple live video streams, other entertainment and informational content such as event information, venue information, and advertisements. The exemplary devices 110,115 may perform error correction, decompress and error concealment for the video and spool the video stream in the device's memory so that a video recorder functionality may be provided, thereby allowing the user to rewind, enable slow motion playback, and fast forward through the video. The application may further provide a convenient user interface to view the video streams, other content such as game and venue information, interactive games, and social media connection to services such as Twitter® and Facebook®.
In one exemplary computing system where multiple access points may be connected to the user mobile devices 110,115, the system may run IEEE 802.11 protocol for WiFi®, however other standards may also be used. In one embodiment, each access point may have several radio elements that communicate with the mobile devices. The WiFi® enabled device may be used in multi-cast and unicast modes to deliver video streams, system status, control information, and interactive content. In an exemplary embodiment where the computing system 100 is implemented in a dense crowd environment, the computing system 100 may minimize the data traffic and transactions with each device, for example, mobile devices 110,115, by using compression and link management methods so that cost is minimized and Quality of Service (QoS) is acceptable. In one embodiment, the video content may be compressed using a wavelet transform technique that allows for a trade-off between image quality and bandwidth usage. Optionally, compression techniques may be used in various applications, such as, but not limited to, image processors, analog-to-digital converters, coders, e.g., encoder and/or decoders, buffer storage, and streaming data transmission. Error correction codes may be used to correct data faults without requiring retransmission of the data, thus providing improved performance and network performance compared to methods requiring data retransmission. Temporal interleaving of the data may also be a part of the error correction techniques used to reduce susceptibility to success data losses by dispersing the data across a time interval. Other techniques also include audio concealment methods that may improve the perceived quality of the audio to the listener by masking the effects of possible packet loss. In one embodiment, the link may also implement scheduling and “push-pull” techniques to optimize traffic. This technique may aggregate transactions with the UE to minimize overhead associated with transactions. Push techniques may be used to provide an “always-on” capability, in which new messages may be actively transferred, i.e., pushed, as they arrive to a client device, for example, mobile devices and smartphones. Multi-cast communications are also used to reduce network bandwidth requirements by sending the same data to many devices simultaneously as opposed to multiple data transfers required by other methods. In some cases, a best effort approach is used with data retransmission at later times.
The computing system of
In an exemplary embodiment where the system produces the content, the content production function may be responsible for broadcast editing, advertisement insertion, and content creation. In this example, equipment used for video production may include workstations with video editing software supported by network area storage (NAS). Some events may have rules concerning the content shown at the event, for example, controversial calls at a game and advertising restrictions, and accordingly, these rules may be enforced. The computing device, along with other support equipment, may be integrated with a Local Area Network and the Wide Area Network at a venue, via network connections. Some of the support equipment may include: routers, hubs, and firewalls.
Mobile Device Management Equipment
In some embodiments, the computing device 310 may further comprise a push mobile data device management 340, a pull mobile data device management 345, and a device management for controls and status 350. In one embodiment, the push mobile data device management 340 and the pull mobile data device management 345 may aggregate transactions with a mobile device to minimize traffic. A cache 380 may also be used to cache data being transmitted and/or collect data, duplicating original values stored elsewhere on the device. The computing device 310 may also receive data from a mobile device where the data may be inbound client data 347 received by the pull mobile data device management 345.
The data communication may use multi-cast video, advertisements and event information using UDP with RTP or other protocols. The data communication may further use time-slice of individual data. In some embodiments, the QoS Priority may be determined based on: (1) video, (2) inbound client data, and (3) all other subject to traffic policies. In one exemplary embodiment, the push data aggregation may be implemented via TCP/IP protocols and the time sync updates may be used for time-slice control. Each mobile device may comprise an embedded web application server that may allow executable applications or scripts, e.g., application software, that may be available in different versions for different platforms and are to be executed on the mobile device. Applications may be developed to support various mobile devices and their respective operating systems. In some embodiments, the application may include a capability to display single or multiple live video streams, entertainment and informational content such as event and venue information, and advertisements. The video streams may be compressed data with forward error correction (FEC) codes, requiring the application to perform error correction, decompress, perform concealment for missing audio data, and then display the images. FEC may be based on a transmitting device encoding packets by using error codes, thereby allowing the receiving device to detect a limited number of errors that may have occurred in the packet, and provide the ability to correct these errors without the need for retransmission. The application may spool the video so that the user may have control of the video viewing to rewind, fast forward, and view slow motion. Optionally, interactive features for social media such as Twitter® and Facebook® may be provided. Other features include: text alerts to event security and interactive games. In an exemplary embodiment, various types of advertisements may be integrated into the broadcast that may include: banner, interstitial, and video roadblocks (full screen video advertisements). Advertisements may also be transmitted as multicast UDP streams to minimize bandwidth utilization on the network. The application may also send user data back to the server to capture customer information, monitor QoS, and other diagnostic information, where this may optionally be done using UDP packets to minimize network traffic. In this exemplary embodiment, the application may be downloaded to the mobile device prior to use.
In one embodiment, mobile device management equipment may communicate with multiple access points to form a cluster. Each cluster may comprise many access points, where each cluster may be communicating to many mobile devices. The mobile device manager may implement controls to optimize the WiFi® connections. These controls to optimize the WiFi® connections may include, for example, network port controls, access privileges, and radio (channel) assignment. Other responsibilities of the mobile management equipment are: data compression, traffic management, shaping per client device, security, use metering, and content filtering. Data compression is implemented in the mobile device manager to minimize data transfer requirements and may provide more flexibility for the system configuration. The data compression may be dynamically changed to change the video stream bitrate according to local access point data traffic. For example, if an access point has a large number of users then the compression may be increased to reduce bitrate and serve more users at the expense of video quality. FEC codes may be added to the data to correct for data losses at the client. One exemplary feature is “push-pull” mobile device management that aggregates transactions with a mobile device to minimize traffic. This feature minimizes multiple transactions to one device that consume excessive bandwidth as compared to a single, consolidated transaction. The system may schedule transactions according to a time-slot method that seeks to minimize data collisions on the wireless channel. In one embodiment, the system time may be passed to each mobile device along with a channel usage schedule.
In an embodiment where the computing system hosts a networked computing device, the networked computing device may transfer down a system time and schedule to the mobile device which indicates the time when the mobile device should transmit. The video program may also be content protected to prevent unauthorized duplication and where all content is erased when the application is closed. In some embodiment, the computing system may also integrate a text message system to allow a user, e.g., the fan, to alert event security to problems. The computing system may record the locale of the device and device ID for records. This augments event security to improve fan safety. In one exemplary embodiment, teams and events may choose to have custom graphics consistent with their team branding since the application interface is customizable to change the applicant's appearance and feature set as desired.
It is contemplated that various combinations and/or sub-combinations of the specific features and aspects of the above embodiments may be made and still fall within the scope of the invention. Accordingly, it should be understood that various features and aspects of the disclosed embodiments may be combined with or substituted for one another in order to form varying modes of the disclosed invention. Further it is intended that the scope of the present invention is herein disclosed by way of examples and should not be limited by the particular disclosed embodiments described above.
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