WO2014066600A4 - Systems and methods for sharing bandwidth across multiple video streams - Google Patents
Systems and methods for sharing bandwidth across multiple video streams Download PDFInfo
- Publication number
- WO2014066600A4 WO2014066600A4 PCT/US2013/066548 US2013066548W WO2014066600A4 WO 2014066600 A4 WO2014066600 A4 WO 2014066600A4 US 2013066548 W US2013066548 W US 2013066548W WO 2014066600 A4 WO2014066600 A4 WO 2014066600A4
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- video streams
- quality feedback
- client device
- client
- based method
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/45—Management operations performed by the client for facilitating the reception of or the interaction with the content or administrating data related to the end-user or to the client device itself, e.g. learning user preferences for recommending movies, resolving scheduling conflicts
- H04N21/462—Content or additional data management, e.g. creating a master electronic program guide from data received from the Internet and a Head-end, controlling the complexity of a video stream by scaling the resolution or bit-rate based on the client capabilities
- H04N21/4622—Retrieving content or additional data from different sources, e.g. from a broadcast channel and the Internet
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/60—Network structure or processes for video distribution between server and client or between remote clients; Control signalling between clients, server and network components; Transmission of management data between server and client, e.g. sending from server to client commands for recording incoming content stream; Communication details between server and client
- H04N21/63—Control signaling related to video distribution between client, server and network components; Network processes for video distribution between server and clients or between remote clients, e.g. transmitting basic layer and enhancement layers over different transmission paths, setting up a peer-to-peer communication via Internet between remote STB's; Communication protocols; Addressing
- H04N21/637—Control signals issued by the client directed to the server or network components
- H04N21/6373—Control signals issued by the client directed to the server or network components for rate control, e.g. request to the server to modify its transmission rate
Abstract
A client-based method, a server-based method, and a client device enable streaming of multiple video streams utilizing standardized methods while ensuring the multiple video streams share bandwidth over a single, variable connection such as a wireless connection. These methods and device enable an equitably share of bandwidth across multiple video streams sharing a same physical medium. Further, these methods and device can enable selective prioritization of any of the multiple streams.
Claims
1. A client-based method, comprising:
receiving a plurality of video streams at a client device over a wireless connection, wherein each of the plurality of video streams operates at one of a plurality of bit rates;
determining quality feedback for each of the plurality of video streams;
determining modified quality feedback for each of the plurality of video streams based on the quality feedback for each of the plurality of video streams; and transmitting the modified quality feedback for each of the plurality of video streams to an associated source of each of the plurality of video streams.
2. The client-based method of claim 1, further comprising:
utilizing Real Time Control Protocol and Real Time Protocol between the client device and the associated source of each of the plurality of video streams.
3. The client-based method of claim 2, further comprising:
operating each of the associated sources of each of the plurality of video streams in accordance with the Real Time Control Protocol and the Real Time Protocol;
determining the modified quality feedback by the client device; and transmitting the modified quality feedback for each of the plurality of video streams to the associated source of each of the plurality of video streams .
4. The client-based method of claim 2, further comprising:
determining the quality feedback for each of the plurality of video streams utilizing packet loss ratio; and
transmitting the modified quality feedback in a Receiver Report packet to each of the associated sources of each of the plurality of video streams.
5. The client-based method of claim 1, further comprising:
grouping the plurality of video streams as a single stream for determining the quality feedback;
computing a packet loss ratio across the single stream;
determining a weighted average of the packet loss ratio; and
transmitting the weighted average in a Receiver Report packet to each of the associated sources of each of the plurality of video streams.
6. The method of claim 5, further comprising:
upshifting or downshifting to one of the plurality of associated bit rates at each of the associated sources of each of the plurality of video streams in a similar, uniform manner upon receipt of the weighted average in the Receiver Report packet.
7. The client-based method of claim 1, further comprising:
determining an available bandwidth for the client device over the wireless connection;
determining a current bandwidth for each of the plurality of video streams, wherein the current bandwidth for each of the plurality of video streams is based on the quality feedback for each of the plurality of video streams; and
determining the modified quality feedback for each of the plurality of video streams such that each of the plurality of video streams utilizes a substantially same amount of the available bandwidth.
8. The client-based method of claim 7, wherein at least two of the plurality of video streams are operating at different bit rates of the plurality of associated bit rates.
9. The client-based method of claim 1, further comprising:
subsequent to transmitting the modified quality feedback and if the modified quality feedback is above a downshift threshold, receiving the plurality of video streams at the client device over the wireless connection with each of the plurality of video streams downshifted to one of the plurality of associated bit rates.
10. The client-based method of claim 1, further comprising:
subsequent to transmitting the modified quality feedback and if the modified quality feedback is below an upshift threshold, receiving the plurality of video streams at the client device over the wireless connection with each of the plurality of video streams upshifted to one of the plurality of associated bit rates.
11. The client-based method of claim 10, further comprising:
subsequent to the upshift, if the client device experiences packet losses below a threshold, maintaining the plurality of video streams upshifted to one of the plurality of associated; and
if the client device experiences packet losses at or above the threshold, performing a back-off process until the client device experiences packet losses below the threshold.
12. The client-based method of claim 1 1, further comprising:
performing the back-off process by backing off a stream of the plurality of streams with a highest bit rate and continuing backing off subsequent streams of the plurality of streams with next highest bit rates until the client device experiences packet losses below the threshold.
13. The method of claim 1, further comprising:
operating each of the associated source of each of the plurality of video streams in accordance with the User Datagram Protocol;
determining the modified quality feedback by the client device as an average packet loss ratio across all of the plurality of video streams; and
transmitting the modified quality feedback for each of the plurality of video streams to the associated source of each of the plurality of video streams .
14. A server-based method, comprising:
transmitting a plurality of video streams to a client device from at least one server, wherein each of the plurality of video streams operates at one of a plurality of associated bit rates;
receiving quality feedback for each of the plurality of video streams, wherein the quality feedback is modified by one of the client device and the at least one server such that each of the plurality of video streams has substantially a same bandwidth; determining if adjustments are required to associated bit rates of each of the plurality of video streams; and
if adjustments are required, modifying a bit rate for each stream and transmitting the plurality of video streams.
15. The server-based method of claim 14, further comprising:
transmitting the plurality of video streams to the client device from the at least one server utilizing Transmission Control Protocol;
receiving the quality feedback at the at least one server via throughput over the Transmission Control Protocol; and
adjusting the plurality of video streams based on the throughput over the Transmission Control Protocol.
32
16. A client device, comprising:
a network interface communicatively coupled to a wireless network;
a processor communicatively coupled to the network interface; and memory storing instructions that, when executed, cause the processor and the network interface to:
receive a plurality of video streams at a client device over the wireless network, wherein each of the plurality of video streams operates at one of a plurality of associated bit rates;
determine quality feedback for each of the plurality of video streams;
determine modified quality feedback for each of the plurality of video streams based on the quality feedback for each of the plurality of video streams; and
transmit the modified quality feedback for each of the plurality of video streams to an associated source of each of the plurality of video streams.
17. The client device of claim 16, wherein the instructions, when executed, further cause the processor and the network interface to:
utilize Real Time Control Protocol and Real Time Protocol between the associated source of each of the plurality of video streams;
determine the quality feedback for each of the plurality of video streams utilizing packet loss ratio; and
transmit the modified quality feedback in a Receiver Report packet for each of the plurality of video streams to the associated source of each of the plurality of video streams .
18. The client device of claim 16, wherein the instructions, when executed, further cause the processor and the network interface to:
group the plurality of video streams as a single stream for determining the quality feedback;
compute a packet loss ratio across the single stream;
determine a weighted average of the packet loss ratio; and
transmit the weighted average in a Receiver Report packet to each of the associated sources of each of the plurality of video streams.
33
19. The client device of claim 16, wherein the instructions, when executed, further cause the processor and the network interface to:
determine an available bandwidth for the client device over the wireless connection;
determine a current bandwidth for each of the plurality of video streams, wherein the current bandwidth for each of the plurality of video streams is based on the quality feedback for each of the plurality of video streams; and
determine the modified quality feedback for each of the plurality of video streams such that each of the plurality of video streams utilizes a substantially same amount of the available bandwidth.
20. The client device of claim 16, wherein the instructions, when executed, further cause the processor and the network interface to:
operate between each of the associated source of each of the plurality of video streams in accordance with the User Datagram Protocol;
determine the modified quality feedback as an average packet loss ratio across all of the plurality of video streams; and
transmit the modified quality feedback for each of the plurality of video streams to the associated source of each of the plurality of video streams .
34
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE112013005157.5T DE112013005157B4 (en) | 2012-10-26 | 2013-10-24 | Systems and methods for sharing bandwidth across a variety of video data streams |
| CA2886681A CA2886681C (en) | 2012-10-26 | 2013-10-24 | Systems and methods for sharing bandwidth across multiple video streams |
| GB1505944.7A GB2521078B (en) | 2013-10-24 | 2013-10-24 | Systems and methods for sharing bandwidth across multiple video streams |
| AU2013334593A AU2013334593B2 (en) | 2012-10-26 | 2013-10-24 | Systems and methods for sharing bandwidth across multiple video streams |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US13/662,040 US9100698B2 (en) | 2012-10-26 | 2012-10-26 | Systems and methods for sharing bandwidth across multiple video streams |
| US13/662,040 | 2012-10-26 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| WO2014066600A2 WO2014066600A2 (en) | 2014-05-01 |
| WO2014066600A3 WO2014066600A3 (en) | 2014-07-03 |
| WO2014066600A4 true WO2014066600A4 (en) | 2014-08-28 |
Family
ID=49519142
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/US2013/066548 WO2014066600A2 (en) | 2012-10-26 | 2013-10-24 | Systems and methods for sharing bandwidth across multiple video streams |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US9100698B2 (en) |
| AU (1) | AU2013334593B2 (en) |
| CA (1) | CA2886681C (en) |
| DE (1) | DE112013005157B4 (en) |
| WO (1) | WO2014066600A2 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9100698B2 (en) * | 2012-10-26 | 2015-08-04 | Motorola Solutions, Inc. | Systems and methods for sharing bandwidth across multiple video streams |
| ES2754848B2 (en) * | 2018-10-17 | 2021-11-23 | Fernandez Luis Lopez | System and method for intelligent bandwidth allocation in multi-track multimedia communication systems |
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2012
- 2012-10-26 US US13/662,040 patent/US9100698B2/en active Active
-
2013
- 2013-10-24 WO PCT/US2013/066548 patent/WO2014066600A2/en active Application Filing
- 2013-10-24 CA CA2886681A patent/CA2886681C/en active Active
- 2013-10-24 DE DE112013005157.5T patent/DE112013005157B4/en active Active
- 2013-10-24 AU AU2013334593A patent/AU2013334593B2/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CA2886681A1 (en) | 2014-05-01 |
| WO2014066600A3 (en) | 2014-07-03 |
| CA2886681C (en) | 2017-03-07 |
| AU2013334593B2 (en) | 2015-11-26 |
| AU2013334593A1 (en) | 2015-04-16 |
| WO2014066600A2 (en) | 2014-05-01 |
| US20140122652A1 (en) | 2014-05-01 |
| US9100698B2 (en) | 2015-08-04 |
| DE112013005157B4 (en) | 2020-08-27 |
| DE112013005157T5 (en) | 2015-08-13 |
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