Prioritization of electronic service guide carousels

Details Prioritization of electronic service guide carousels Prioritization of electronic service guide carousels

2005-10-18

2009-11-03

Flynn, Nathan J (Department: 2454)

Interactive video distribution systems

Operator interface

To facilitate tuning or selection of video signal

C725S039000, C725S044000, C725S050000

Reexamination Certificate

active

07614068

ABSTRACT:
Prior art methods of receiving, organizing, and implementing the data transmitted to mobile devices, such as ESG fragments, have a great impact on mobile device performance and battery lifetime. Furthermore, in order to keep server side and client side ESG fragments in synch, any change in content of ESG fragments needs to be indicated. Additionally, any change in how ESG fragments are distributed requires the client side to verify if all the fragments are still available and valid in any new distribution set up and if their content has not changed. Aspects of the invention provide a protocol for prioritizing the ESG fragments to ensure the end user of a destination device receives more pertinent ESG data in a timely manner. Other aspects of the invention minimize the number of updates required on a client side or destination device caused by the re-distribution of the “unchanged” ESG fragments into different carousels.

REFERENCES:
patent: 6337715 (2002-01-01), Inagaki et al.
patent: 6570876 (2003-05-01), Aimoto
patent: 2003/0149979 (2003-08-01), Baldwin et al.
patent: 2006/0092867 (2006-05-01), Muller et al.
patent: 2007/0240188 (2007-10-01), Vermola et al.
patent: 2004/056096 (2004-07-01), None
Digital Video Broadcasting, “IP Datacast Over DVB-H: Electronic Service Guide (ESG)”DVB Document A099, Nov. 2005.

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