Simultaneous access to media in a media delivery system

• US 8,316,409 B2
• Filed: 10/11/2007
• Issued: 11/20/2012
• Est. Priority Date: 10/11/2007
• Status: Active Grant

• Current Assignee: Synamedia Limited
• Original Assignee: Scientific-Atlanta LLC (Cisco Systems, Inc.)
• Inventors: Strothmann, James
• Primary Examiner(s): Smith, Chenea
• Application Number:
  US11/870,642
• Publication Number:
  US 20090100489A1
• Time in Patent Office: 1,867 Days
• Field of Search: None
• US Class Current: 725/131
• CPC Class Codes: H04N 21/2225 Local VOD servers
• CPC Class Codes: H04N 21/2385 Channel allocation H04N21/266 takes precedence; Bandwidth allocation H04N21/24 takes precedence ; allocation of channels according to the instantaneous demands of the users in time-division multiplex systems H04J3/1682; admission control, resource allocation in open networks H04L12/5692; arrangements for maintenance or administration in data switching networks involving bandwidth and capacity management H04L41/0896; negotiating bandwidth in wireless networks H04W28/16
• CPC Class Codes: H04N 21/26266 for determining content or additional data repetition rate, e.g. of a file in a DVB carousel according to its importance arrangements for broadcast or for distribution of identical information repeatedly in broadcast distribution systems H04H20/16
• CPC Class Codes: H04N 21/2668 Creating a channel for a dedicated end-user group, e.g. insertion of targeted commercials based on end-user profiles information retrieval from the Internet by querying with filtering and personalisation G06F16/9535; arrangements for replacing or switching information during the broadcast H04H20/10; push services over packet-switching network H04L12/1859; adaptation of message content in packet-switching networks H04L51/063
• CPC Class Codes: H04N 21/454 Content or additional data filtering, e.g. blocking advertisements
• CPC Class Codes: H04N 21/47202 for requesting content on demand, e.g. video on demand
• CPC Class Codes: H04N 5/76 Television signal recording

Abstract

An embodiment of a cable television system includes a media content source configured to transmit media content to a plurality of home communication terminals (HCTs) over a plurality of physical channels over a shared communication medium. Each physical channel carries the media content on a plurality of logical channels. The system further includes a media allocation server configured to receive requests from the plurality of HCTs, each of the requests from a respective HCT designating desired media content to be simultaneously received at the respective HCT and allocating at least a portion of the desired media content among a plurality of physical channels on respective logical channels.

Claims

1. A home communication terminal (HCT) comprising:

a processor configured to retrieve and execute instructions from a memory device, the instructions comprising;

logic configured to generate a request designating a plurality of desired media content to be simultaneously transmitted to the HCT from a remote media server, the request comprising an identifier for each of the plurality desired media content, a priority associated with each of the plurality of desired media content, and a number of tuners associated with the HCT;

logic configured to receive an indication of an allocation of the plurality of desired media content among a plurality of physical channels on respective logical channels, wherein the plurality of desired media content are allocated among the plurality of physical channels based on the priority associated with each of the plurality of desired media content; and

logic configured, based on the allocation of the plurality of desired media content, to cause the HCT to tune to at least one of the plurality of physical channels and filter a plurality of the logical channels carrying the plurality of desired media content from the tuned physical channel, wherein if a number of the plurality of physical channels is more than the number of tuners associated with the HCT, logic configured for the HCT to tune to the physical channels having media content with higher priority.

2. The HCT of claim 1, further comprising:

at least one tuner configured to tune to one of the physical channels carrying at least one of the desired media content; and

at least one logical channel filter configured to filter the plurality of logical channels carrying the desired media content from the tuned physical channel.

3. The HCT of claim 2, further comprising providing the filtered desired media content to a usage instance, the usage instance comprising one of viewing the content in the main portion of a display, viewing the content in a picture-in-picture portion of a display, and recording the content to a memory or storage device.

4. The HCT of claim 2, wherein the logical channel filter is a Program Identifier (PID) filter.

5. The HCT of claim 1, further comprising a logical channel filter for each of the logical channels carrying the desired media content.

6. The HCT of claim 1, further comprising logic configured to display a graphical user interface (GUI) to a user, the GUI for receiving user input to generate the requests designating the desired media content.

7. The HCT of claim 1, wherein the indication of allocation further comprises an indication of which of the plurality of desired media content is guaranteed, wherein a number of guaranteed media content is equal to the number of tuners associated with the HCT.

8. A method for providing a home communication terminal (HCT) with simultaneous access to media comprising:

generating a request designating a plurality of desired media content to be simultaneously transmitted to the HCT from a remote media server, the request comprising a program identifier for each of the plurality desired media content, a priority associated with each of the plurality of desired media content, and a number of tuners associated with the HCT;

receiving an indication of an allocation of the plurality of desired media content among a plurality of physical channels on respective logical channels, wherein the plurality of desired media content are allocated among the plurality of physical channels based on the priority associated with each of the plurality of desired media content;

tuning, based on the allocation of the desired media content, the HCT to at least one of the plurality of physical channels, wherein if a number of the plurality of physical channels is more than the number of tuners associated with the HCT, tuning to the at least one physical channels having media content with higher priority; and

filtering a plurality of the logical channels carrying the desired media content from the tuned physical channel.

9. The method of claim 8, wherein filtering the plurality of the logical channels carrying the desired media content from the tuned physical channel comprises filtering the desired media content based on a program identifier (PID).

10. The method of claim 8, wherein receiving an indication of an allocation comprises receiving an indication of an allocation, wherein the plurality of desired media content are allocated among the plurality of physical channels based on the priority associated with each of the plurality of desired media content, and wherein the priority of a desired media content is determined based on whether the HCT is entitled to special programming priority.

11. A cable television system comprising:

a media content source configured to transmit media content to a plurality of home communication terminals (HCTs) on a plurality of physical channels over a shared communication medium, each physical channel carrying a portion of the media content on respective logical channels;

a media allocation server configured to;

receive requests from the plurality of HCTs, each of the requests from a respective HCT of the plurality of HCTs designating a plurality of desired media content to be simultaneously received at the respective HCT, each request comprising a program identifier for each of the plurality desired media content, a priority associated with each of the plurality of desired media content, and a number of tuners associated with the respective HCT, and

allocate at least a portion of the plurality of desired media content among the plurality of physical channels on the plurality of logical channels, wherein at least the portion of the plurality of desired media content is allocated among the plurality of physical channels based on the priority associated with each of the plurality of desired media content; and

wherein the plurality of HCTs are configured to tune, based on the allocation of at least the portion of the desired media content, to at least one of the plurality of physical channels, wherein if a number of the plurality of physical channels is more than the number of tuners associated with the respective HCT, the respective HCT further configured to tune to the at least one physical channel having media content with higher priority.

12. The cable television system of claim 11, wherein the media content source and the media allocation server are the same physical server.

13. The cable television system of claim 11, wherein the media allocation server is further configured to allocate the plurality of desired media content among the plurality of physical channels on the plurality of logical channels to maximize the number of fulfilled requests for desired media content.

14. The cable television system of claim 11, wherein the media allocation server is further configured to allocate the plurality of desired media content among the plurality of physical channels on the plurality of logical channels by prioritizing the fulfillment of the requests from the plurality of HCTs based on a time stamp associated with receipt of each of the requests.

15. The cable television system of claim 11, wherein the media allocation server is further configured to allocate the plurality of desired media content among the plurality of physical channels on the plurality of logical channels by prioritizing the fulfillment of the requests from the plurality of HCTs based on an amount of compensation provided by a user.

16. The cable television system of claim 11, wherein the media allocation server is further configured to allocate the plurality of desired media content among the plurality of physical channels on the plurality of logical channels by prioritizing fulfillment of the requests from the plurality of HCTs based on a subscription level associated with the HCTs, wherein the subscription level associated with the HCTs is received with the requests.

17. The cable television system of claim 11, wherein the media allocation server is further configured to transmit channel allocation information to the media content source, the media allocation information providing a mapping of the plurality of logical channels that are to be allocated among the plurality of physical channels.

18. The cable television system of claim 11, wherein the media content source comprises:

at least one device for modulating the media content into the plurality of logical channels on the plurality of physical channels according to the channel allocation information.

19. The cable television system of claim 11, wherein at least one of the media allocation server and the media content source is configured to provide the channel allocation information to the plurality of HCTs.

20. The cable television system of claim 19, wherein the at least one of the media allocation server and the media content source is configured to provide the channel allocation information to the plurality of HCTs using a data carousel.