Method for Exploiting Signalling Messages in a Wireless Communication Network
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Abstract
A method of exploiting a signaling message related to a predetermined OSI layer of a wireless communication system and adapted to transmit signaling information specific of the OSI layer for transmitting data different from the signaling information, includes: ascertaining the presence of unallotted space in the signaling message; based on the ascertained presence of unallotted space, determining an amount of transmissible data different from the signaling information; and modifying the signaling message by filling at least part of the unallotted space with the amount of transmissible data. The method is in particular useful in cellular telephony networks like 2G and 3G networks, in 802.1x networks and broadcasting ones such as DVBs.
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Citations
51 Claims
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1-26. -26. (canceled)
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27. A method of exploiting a signaling message related to a predetermined open system interconnect layer of a wireless communication system and adapted to transmit signaling information specific of said open system interconnect layer for transmitting data different from said signaling information, comprising:
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ascertaining the presence of unallotted space in said signaling message; based on the ascertained presence of unallotted space, determining an amount of transmissible data different from said signaling information; and modifying the signaling message by filling at least part of the unallotted space with said amount of transmissible data. - View Dependent Claims (28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 51)
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40. A method of receiving a signaling message related to a predetermined open system interconnect layer of a wireless communication system and intended to transmit signaling information specific of said open system interconnect layer, comprising:
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ascertaining the presence of unallotted space in the signaling message, wherein said ascertaining comprises ascertaining that the unallotted space comprises data different from said signaling information; and based on said ascertaining, extracting said data from the unallotted space. - View Dependent Claims (41, 42, 43, 44, 45, 46)
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47. A device of a wireless communication system, comprising:
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an unallotted space ascertaining unit adapted to ascertain a presence of unallotted space in a signaling message to be transmitted related to a predetermined open system interconnect layer of the wireless communication system, said signaling message being intended to transmit signaling information specific of said opening system interconnect layer; and an unalloted space filler unit adapted to at least partly filling the unallotted space with data different from said signaling information. - View Dependent Claims (48, 49)
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50. User equipment for use in a wireless communication system, comprising:
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a unit adapted to ascertain a presence of data in an unallotted space in a received signaling message related to a predetermined open system interconnect layer of the wireless communication system, said signaling message carrying signaling information specific of said open system interconnect layer; and a data extractor unit adapted to extract said data from the unallotted space.
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Specification