Communication control system with ad hoc wireless communication function
First Claim
1. A communication control apparatus used in a wireless communication system in which a plurality of first in-vehicle wireless communication units are installed in a plurality of vehicles, respectively, and a second in-vehicle wireless communication unit is installed in a vehicle, each of the pluralit of first in-vehicle wireless communication units having a centralized wireless communication function and an ad hoc wireless communication function, the second in-vehicle wireless communication unit having the centralized wireless communication function without the ad hoc wireless communication function,the communication control apparatus being wirelessly communicable with each of the first in-vehicle wireless communication units, and the second in-vehicle wireless communication unit according to the centralized wireless communication functions and controlling wireless communications among the communication control apparatus, each of the first in-vehicle wireless communication units, and the second in-vehicle wireless communication unit,each of the first in-vehicle wireless communication units:
- transmitting vehicle information of an own vehicle and vehicle information including identification information from the first-in-vehicle wireless communication unit installed in another vehicle, received from another vehicle at the communication control apparatus according to the centralized wireless communication function, when the first in-vehicle wireless communication unit receives, by a corresponding ad hoc wireless function, at least the vehicle information including the identification information from another vehicle; and
transmitting only the vehicle information of the own vehicle to the communication control apparatus according to the centralized wireless communication function, when the first in-vehicle communication unit does not receive any vehicle information transmitted from another vehicle, andthe second in-vehicle wireless communication unit transmitting the vehicle information of the own vehicle to the communication control apparatus according to the centralized wireless communication function,the communication control apparatus comprising;
a first communication authorization setting means for setting a first one of the first in-vehicle wireless communication units and the second in-vehicle wireless communication unit as two of a plurality of communication enabling units that enable wireless communications with the communication control apparatus, the first of the first in-vehicle wireless communication units and the second in-vehicle wireless communication unit having transmitted only the vehicle information of their own vehicle to the communication control apparatus; and
a second communication authorization setting means for setting, as another one of the plurality of communication enabling units, one of the remaining first in-vehicle wireless communication units that has not been set as one of the plurality of communication enabling units, the one of the remaining first in-vehicle wireless communication units having transmitted the vehicle information of another vehicle different from the vehicle information transmitted from the communication enabling unit.
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Abstract
In a communication control apparatus wirelessly communicable with a plurality of wireless communication units respectively installed in a plurality of vehicles, a first determiner determines at least one wireless communication unit in a number of wireless communication units in the plurality of wireless communication units as a first enabling unit that enables wireless communications with the communication control apparatus if information transmitted from the at least one wireless communication unit is second type information including a piece of vehicle information that includes at least the identifier of the corresponding vehicle. A second determiner determines a wireless communication unit in the remaining one or more wireless communication units as a second enabling unit, which enables wireless communications with the communication control apparatus, if information transmitted from the wireless communication unit is not included in the information transmitted from the first enabling unit.
8 Citations
20 Claims
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1. A communication control apparatus used in a wireless communication system in which a plurality of first in-vehicle wireless communication units are installed in a plurality of vehicles, respectively, and a second in-vehicle wireless communication unit is installed in a vehicle, each of the pluralit of first in-vehicle wireless communication units having a centralized wireless communication function and an ad hoc wireless communication function, the second in-vehicle wireless communication unit having the centralized wireless communication function without the ad hoc wireless communication function,
the communication control apparatus being wirelessly communicable with each of the first in-vehicle wireless communication units, and the second in-vehicle wireless communication unit according to the centralized wireless communication functions and controlling wireless communications among the communication control apparatus, each of the first in-vehicle wireless communication units, and the second in-vehicle wireless communication unit, each of the first in-vehicle wireless communication units: -
transmitting vehicle information of an own vehicle and vehicle information including identification information from the first-in-vehicle wireless communication unit installed in another vehicle, received from another vehicle at the communication control apparatus according to the centralized wireless communication function, when the first in-vehicle wireless communication unit receives, by a corresponding ad hoc wireless function, at least the vehicle information including the identification information from another vehicle; and transmitting only the vehicle information of the own vehicle to the communication control apparatus according to the centralized wireless communication function, when the first in-vehicle communication unit does not receive any vehicle information transmitted from another vehicle, and the second in-vehicle wireless communication unit transmitting the vehicle information of the own vehicle to the communication control apparatus according to the centralized wireless communication function, the communication control apparatus comprising; a first communication authorization setting means for setting a first one of the first in-vehicle wireless communication units and the second in-vehicle wireless communication unit as two of a plurality of communication enabling units that enable wireless communications with the communication control apparatus, the first of the first in-vehicle wireless communication units and the second in-vehicle wireless communication unit having transmitted only the vehicle information of their own vehicle to the communication control apparatus; and a second communication authorization setting means for setting, as another one of the plurality of communication enabling units, one of the remaining first in-vehicle wireless communication units that has not been set as one of the plurality of communication enabling units, the one of the remaining first in-vehicle wireless communication units having transmitted the vehicle information of another vehicle different from the vehicle information transmitted from the communication enabling unit. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20)
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Specification