Seamless roaming for a service within IP datacasting over a digital broadband broadcast network
First Claim
1. A method comprising:
- (a) receiving, by a mobile terminal, digital content for a selected service from a current platform, the digital content being conveyed by a current signal, the current signal being broadcast within a current cell;
(b) obtaining platform information for another platform that provides the selected service in a candidate cell;
(c) determining whether a signal quality of the current signal is below a predetermined threshold;
(d) selecting another signal being transmitted within the candidate cell, the other signal being above the predetermined threshold, the other signal conveying the digital content of the selected service; and
(e) when the current platform is not available in the candidate cell, roaming to the other platform in the candidate cell in accordance with the platform information.
1 Assignment
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Accused Products
Abstract
Methods, apparatuses, and computer media are provided for supporting roaming between platforms which allow for continuous delivery of the same content. A mobile terminal receives digital content from a current signal for a selected service from a current platform. The mobile terminal obtains platform information about another platform that provides the selected service in a candidate cell. When the mobile terminal determines that the signal quality is below a predetermined threshold, the mobile terminal selects another signal in a candidate cell. When the current platform is not available in the candidate cell, the mobile terminal performs a roaming procedure by changing platforms. When the current platform is supported in the candidate cell, the mobile terminal performs a handover to the candidate cell. The mobile terminal may evaluate the availability of roaming services and select another signal based on the availability of roaming services.
14 Citations
27 Claims
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1. A method comprising:
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(a) receiving, by a mobile terminal, digital content for a selected service from a current platform, the digital content being conveyed by a current signal, the current signal being broadcast within a current cell; (b) obtaining platform information for another platform that provides the selected service in a candidate cell; (c) determining whether a signal quality of the current signal is below a predetermined threshold; (d) selecting another signal being transmitted within the candidate cell, the other signal being above the predetermined threshold, the other signal conveying the digital content of the selected service; and (e) when the current platform is not available in the candidate cell, roaming to the other platform in the candidate cell in accordance with the platform information. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13)
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14. A method comprising:
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(a) broadcasting, by a digital broadband broadcast network, roaming information in a transport stream to at least one mobile terminal; and (b) broadcasting platform information in the transport stream to the at least one mobile terminal. - View Dependent Claims (15, 16, 17)
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18. A mobile terminal comprising:
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a receiver for receiving at least one digital broadband broadcast signal; and a processor, configured to perform; (a) receiving, by a mobile terminal, digital content for a selected service from a current platform, the digital content being conveyed by a current signal, the current signal being broadcast within a current cell; (b) obtaining platform information for another platform that provides the selected service in a candidate cell; (c) determining whether a signal quality of the current signal is below a predetermined threshold; (d) selecting another signal being transmitted within the candidate cell, the other signal being above the predetermined threshold, the other signal conveying the digital content of the selected service; and (e) when the current platform is not available in the candidate cell, roaming to the other platform in the candidate cell in accordance with the platform information. - View Dependent Claims (19, 20, 21)
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22. A computer-readable medium having computer-executable instructions comprising:
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(a) receiving, by a mobile terminal, digital content for a selected service from a current platform, the digital content being conveyed in a current signal, the current signal being broadcast within a current cell; (b) obtaining platform information for another platform that provides the selected service in a candidate cell; (c) determining whether a signal quality of the current signal is below a predetermined threshold; (d) selecting another signal being transmitted within the candidate cell, the other signal being above the predetermined threshold, the other signal conveying the digital content of the selected service; and (e) when the current platform is not available in the candidate cell, roaming to the other platform in the candidate cell in accordance with the platform information. - View Dependent Claims (23, 24, 25)
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26. An apparatus comprising:
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(a) means for receiving, by a mobile terminal, digital content for a selected service from a current platform, the digital content being conveyed by a current signal, the current signal being broadcast within a current cell; (b) means for obtaining platform information for another platform that provides the selected service in a candidate cell; (c) means for determining whether a signal quality of the current signal is below a predetermined threshold; (d) means for selecting another signal being transmitted within the candidate cell, the other signal being above the predetermined threshold, the other signal conveying the digital content of the selected service; and (e) means for roaming to the other platform in the candidate cell in accordance with the platform information when the current platform is not available in the candidate cell. - View Dependent Claims (27)
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Specification