COMMUNICATION APPARATUS, METHOD AND SYSTEM
First Claim
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1. A communication apparatus for communicating with another communication apparatus using a first network identifier and a second network identifier, comprising:
- an establishing unit adapted to establish a network by starting to transmit a notification signal;
a detection unit adapted to detect a network that is present in the surroundings after the network has been established by said establishing unit;
a discrimination unit adapted to discriminate a first network identifier and a second network identifier of a network detected by said detection unit;
a comparison unit adapted to compare the first and second network identifiers discriminated by said discrimination unit and the first and second network identifiers, respectively, of the network established by said establishing unit; and
a control unit adapted to control participation in the detected network in accordance with result of the comparison performed by said comparison unit.
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Abstract
If a network having the same SSID as but a different BSSID from those of a network that has been established by a first communication apparatus is detected, the network established by the first communication apparatus is terminated and the first communication apparatus participates in the detected network. This makes it possible for the first communication apparatus and another communication apparatus to participate in the same network.
40 Citations
19 Claims
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1. A communication apparatus for communicating with another communication apparatus using a first network identifier and a second network identifier, comprising:
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an establishing unit adapted to establish a network by starting to transmit a notification signal; a detection unit adapted to detect a network that is present in the surroundings after the network has been established by said establishing unit; a discrimination unit adapted to discriminate a first network identifier and a second network identifier of a network detected by said detection unit; a comparison unit adapted to compare the first and second network identifiers discriminated by said discrimination unit and the first and second network identifiers, respectively, of the network established by said establishing unit; and a control unit adapted to control participation in the detected network in accordance with result of the comparison performed by said comparison unit. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
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12. A communication apparatus for communication with another communication apparatus using a network identifier, comprising:
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a detection unit adapted to detect a network that is present in the surroundings; a comparison unit adapted to compare a network identifier of a network detected by said detection unit and a network identifier of a network to which said communication apparatus belongs; and a control unit adapted to terminate communication by the network to which said communication apparatus belongs and allow said communication apparatus to participate in the detected network in accordance with result of the comparison performed by said comparison unit.
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13. A communication system for performing communication using a first network identifier that has been set in a first communication apparatus and in a second communication apparatus, said first communication apparatus comprising:
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an establishing unit adapted to establish a network by starting to transmit a notification signal; a detection unit adapted to detect a network to which said second communication apparatus belongs after the network has been established by said establishing unit; a comparison unit adapted to compare a second network identifier of the network detected by said detection unit and a second network identifier of the network to established by said establishing unit; and a control unit adapted to allow said first communication apparatus and said second communication apparatus to participate in the same network based upon result of the comparison performed by said comparison unit. - View Dependent Claims (14, 15)
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16. A method whereby a plurality of communication apparatuses construct a network, comprising:
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a first step of constructing a network by allowing a second communication apparatus to participate in a network established by a first communication apparatus; a second step of constructing a network by allowing the first communication apparatus to participate in a network established by the second communication apparatus; and a third step of selectively executing construction of a network by either said first or second step in dependence upon the type of communication apparatus that constructs the network.
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17. A communication method of communicating with another communication apparatus using a first network identifier and a second network identifier, comprising:
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an establishing step of establishing a network by starting to transmit a notification signal; a detection step of detecting a network that is present in the surroundings after the network has been established at said establishing step; a discrimination step of discriminating a first network identifier and a second network identifier of a network detected at said detection step; a comparison step of comparing the first and second network identifiers discriminated at said discrimination step and the first and second network identifiers, respectively, of the network established at said establishing step; and a control step of controlling participation in the detected network in accordance with result of the comparison performed by said comparison unit.
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18. A computer readable medium storing a computer program for causing a computer to execute a method of constructing a network, said method comprising:
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a first step of constructing a network by allowing a second communication apparatus to participate in a network established by a first communication apparatus; a second step of constructing a network by allowing the first communication apparatus to participate in a network established by the second communication apparatus; and a third step of selectively executing construction of a network by either said first or second step in dependence upon the type of communication apparatus that constructs the network.
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19. A computer readable medium storing a computer program for causing a computer to execute a communication method of communicating with another communication apparatus using a first network identifier and a second network identifier, said method comprising:
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an establishing step of establishing a network by starting to transmit a notification signal; a detection step of detecting a network that is present in the surroundings after the network has been established at said establishing step; a discrimination step of discriminating a first network identifier and a second network identifier of a network detected at said detection step; a comparison step of comparing the first and second network identifiers discriminated at said discrimination step and the first and second network identifiers, respectively, of the network established at said establishing step; and a control step of controlling participation in the detected network in accordance with result of the comparison performed by said comparison unit.
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Specification