Guide acquisition method in absence of guide update information on all transponders
AssigneeThomson Licensing
InventorsSuresh Vishwanath Leley, Thomas Anthony Stahl
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Abstract
Guide acquisition method and apparatus for receiving a satellite broadcast stream containing guide data, encapsulating said broadcast stream containing guide data in a network communication protocol, assigning a multicast address to said broadcast stream containing guide data, transmitting said broadcast stream containing guide data, receiving a request for said guide data wherein said request comprises a satellite network identifier and transmitting a said multicast address in response to said request.
Claims14
A method comprising the steps of:
- receiving a satellite broadcast stream containing guide data;
- encapsulating said broadcast stream containing guide data in a network communication protocol;
- assigning a multicast address to said broadcast stream containing guide data;
- transmitting said broadcast stream containing guide data;
- receiving a request for said guide data wherein said request comprises a satellite network identifier;
- and
- transmitting a said multicast address in response to said request.
A method of requesting electronic program guide data in a internet protocol network comprising the steps of:
- receiving a request for guide data containing a first satellite network indicator;
- replacing said satellite network indicator with a predetermined satellite network indicator to generate a modified request for guide data;
- transmitting said modified request for guide data;
- and
- receiving a multicast address corresponding to said guide data.
An apparatus comprising;
- a first input for receiving a satellite broadcast stream containing guide data;
- a second input for receiving a request for said guide data wherein said request comprises a satellite network indicator;
- a memory for storing said guide data;
- a processor for assigning a multicast address to said guide data;
- and
- a transmitter for transmitting said multicast address in response to said request.
Dependencies are inferred from the claim text.