Methods, apparatuses, and articles to remotely test communications networks using digital fingerprints of content
First Claim
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1. A method for testing a target communications network, the method comprising:
- causing content to be transmitted from a content source to a test platform via the target communications network that is being tested;
producing a digital fingerprint representative of the content received at the test platform via the target communications network;
comparing the digital fingerprint of the content received at the test platform via the target communications network to a reference digital fingerprint of the content, where the reference digital fingerprint of the content is representative of the content caused to be transmitted; and
determining based at least in part on the comparison of the digital fingerprint of the content received at the test platform via the target communications network to a reference digital fingerprint of the content whether the content as received via the target communications network matches the content caused to be transmitted, within a defined degree of confidence.
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Abstract
A remote testing system employs digital fingerprinting in order to recognize with a determined degree of certainty, multimedia content transmitted over a target communications network being tested, for example a cellular communications network, without requiring the transmission of a reference copy of the content to the comparison equipment.
105 Citations
32 Claims
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1. A method for testing a target communications network, the method comprising:
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causing content to be transmitted from a content source to a test platform via the target communications network that is being tested;
producing a digital fingerprint representative of the content received at the test platform via the target communications network;
comparing the digital fingerprint of the content received at the test platform via the target communications network to a reference digital fingerprint of the content, where the reference digital fingerprint of the content is representative of the content caused to be transmitted; and
determining based at least in part on the comparison of the digital fingerprint of the content received at the test platform via the target communications network to a reference digital fingerprint of the content whether the content as received via the target communications network matches the content caused to be transmitted, within a defined degree of confidence. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. A method for testing a target cellular telecommunications network comprising a plurality of geographically distributed base stations defining geographic cells, a content source, and a test system comprising at least one central test controller and a number of remote test platforms, the remote test platforms respectively located in a number of the cells of the target cellular telecommunications network, the method comprising:
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as part of a test, identifying content to be transmitted from a content source to a test platform via the target cellular telecommunications network that is being tested;
receiving transmitted content at a first one of the test platforms via the target cellular telecommunications network that is being tested;
at the first one of the test platforms, producing a digital fingerprint representative of the transmitted content as received at the test platform via the target cellular telecommunications network; and
comparing the digital fingerprint representative of the transmitted content as received at the test platform via the target cellular telecommunications network with a reference digital fingerprint known before the comparison to correspond to the identified content to be transmitted, where the reference digital fingerprint is representative of the identified content to be transmitted without having traversed the target cellular telecommunications network. - View Dependent Claims (11, 12, 13, 14, 15, 16, 17)
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18. A system for remotely testing a target communications network, the system comprising:
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means for indicating content to be transmitted from a content source to a test platform via the target communications network that is being tested;
means for generating a digital fingerprint representative of a transmitted content as received via the target communications network; and
means for comparing the digital fingerprint representative of the transmitted content as received via the target communications network with a reference digital fingerprint, the reference digital fingerprint known prior to the comparing to be representative of the content indicated by the means for indicating. - View Dependent Claims (19, 20, 21, 22, 23, 24)
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25. A system for remotely testing a target cellular telecommunications network, the system comprising:
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a plurality of test platforms geographically dispersed in at least a portion of a range of the target cellular telecommunications network, the test platforms operable to receive multimedia content via the target cellular telecommunications network, and further operable to produce a digital fingerprint of the multimedia content as received by the test platform over the target cellular telecommunications network; and
a test control system operable to identify multimedia content for transmission via the target cellular telecommunications network, and further operable to provide information indicative of a correspondence within a defined degree of confidence between an identity of the multimedia content received over at least a portion of the target cellular telecommunications network and the multimedia content identified for transmission based at least in part on a comparison of the digital fingerprint of the multimedia content received over at least a portion of the target cellular telecommunications network with a respective reference digital fingerprint known before the comparison to correspond to the multimedia content identified for transmission via the target cellular telecommunications network. - View Dependent Claims (26, 27, 28, 29, 30, 31, 32)
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Specification