System and method for network controlled geofencing
First Claim
Patent Images
1. A method comprising:
- identifying restricted areas within at least one service region of a first communication system;
defining multiple sizes for protective zones surrounding each of the restricted areas, each terminal selecting a particular size of one of the protective zones based, at least in part, on its maximum transmit power;
generating a service availability map having a plurality of tiles representative of the at least one service region, the service availability map including at least information corresponding to the protective zones;
broadcasting the service availability map to terminals of the first communication system within the at least one service region;
detecting a position of a selected terminal on the service availability map relative to the protective zones;
establishing communication using a first frequency range in response to the selected terminal being inside one of the protective zones defined by the selected size; and
establishing communication using either the first frequency range or a second frequency range in response to the selected terminal being outside of the protective zones,wherein the first frequency range belongs to the first communication system,wherein communication using the second frequency range is prohibited within the restricted areas, andwherein the second frequency range belongs to a second communication system and is shared with the first communication system.
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Abstract
A system and method for networked geofencing includes identifying restricted areas in a service region, and defining a protective zone surrounding the restricted areas. A service availability map containing the protective zones is generated and broadcast within the service region. The positions of terminals on the service availability map are detected relative to the protective zones. Terminals inside the protective zones establish communication using a first frequency range, and terminals outside of the protective zones establish communication using either the first frequency range or a second frequency range.
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Citations
19 Claims
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1. A method comprising:
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identifying restricted areas within at least one service region of a first communication system; defining multiple sizes for protective zones surrounding each of the restricted areas, each terminal selecting a particular size of one of the protective zones based, at least in part, on its maximum transmit power; generating a service availability map having a plurality of tiles representative of the at least one service region, the service availability map including at least information corresponding to the protective zones; broadcasting the service availability map to terminals of the first communication system within the at least one service region; detecting a position of a selected terminal on the service availability map relative to the protective zones; establishing communication using a first frequency range in response to the selected terminal being inside one of the protective zones defined by the selected size; and establishing communication using either the first frequency range or a second frequency range in response to the selected terminal being outside of the protective zones, wherein the first frequency range belongs to the first communication system, wherein communication using the second frequency range is prohibited within the restricted areas, and wherein the second frequency range belongs to a second communication system and is shared with the first communication system. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. A system comprising:
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a plurality of terminals; and at least one gateway comprising a transceiver for transmitting and receiving information to and from the plurality of terminals, the at least one gateway being configured to; identify restricted areas within at least one service region of a first communication system, define multiple sizes for protective zones surrounding each of the restricted areas, generate a service availability map having a plurality of tiles representative of the at least one service region, the service availability map including at least information corresponding to the protective zones, and broadcast the service availability map to the plurality of terminals within the at least one service region, wherein each of the plurality of terminals is configured to; detect its position on the service availability map relative to the protective zones, select a particular size of one of the protective zones based, at least in part, on its maximum transmit power, establish communication using a first frequency range in response to the detected position being inside one of the protective zones defined the selected size, and establish communication using either the first frequency range or a second frequency range in response to the detected position being outside of the protective zones, wherein the first frequency range belongs to the first communication system, wherein communication using the second frequency range is prohibited within the restricted areas, and wherein the second frequency range belongs to a second communication system and is shared with the first communication system. - View Dependent Claims (11, 12, 13, 14, 15, 16, 17, 18)
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19. A method comprising:
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identifying restricted areas within at least one service region of a first communication system; defining a protective zones surrounding each of the restricted areas; generating a service availability map having a plurality of tiles representative of the at least one service region, the service availability map including at least information corresponding to the protective zones; identifying tiles on the service availability map having service or no service using a pattern of ones and zeros; broadcasting the service availability map to terminals of the first communication system within the at least one service region; detecting a position of a selected terminal on the service availability map relative to the protective zones; establishing communication using a first frequency range in response to the selected terminal is being inside one of the protective zones; and establishing communication using either the first frequency range or a second frequency range in response to the selected terminal being outside of the protective zones, wherein the first frequency range belongs to the first communication system, wherein communication using the second frequency range is prohibited within the restricted areas, and wherein the second frequency range belongs to a second communication system and is shared with the first communication system.
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Specification