Radio communication system
First Claim
1. A radio communication system comprising a network structure which arranges a plurality of node devices each having a radio unit and performs radio communications of the respective node devices with their neighboring node devices to realize the communications among the respective node devices, and a management device for managing the network via at least one of the node devices, wherein:
- the node device comprises;
a GPS device for inputting GPS information which is sent from a GPS satellite and received by a GPS antenna;
transmission means for sending position information generated by the GPS device to the management device; and
control means for receiving a control signal generated by the management device according to the position information and controlling respective sections of the radio unit according to the control signal; and
the management device comprises;
control signal generation means which receives the position information from the node device and generates the control signal for controlling respective sections of the node device according to the position information; and
control signal transmission means which sends the generated control signal to a pertinent node device.
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Accused Products
Abstract
In a radio communication system which is comprised of a plurality of node devices having a radio unit for radio communications in an associated section with a neighboring node device and a management device for managing the respective node devices, the node devices are provided with a GPS device and sends position information about the own node device generated by the GPS device to the management device. The management device generates control information for adjusting an antenna direction and a radio level of the radio unit of the node device according to the position information received from the node device and sends to the node devices, and the node devices performs automatic adjusting control of the antenna direction and the radio level of the own node device according to the received control information.
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Citations
28 Claims
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1. A radio communication system comprising a network structure which arranges a plurality of node devices each having a radio unit and performs radio communications of the respective node devices with their neighboring node devices to realize the communications among the respective node devices, and a management device for managing the network via at least one of the node devices, wherein:
the node device comprises;
a GPS device for inputting GPS information which is sent from a GPS satellite and received by a GPS antenna;
transmission means for sending position information generated by the GPS device to the management device; and
control means for receiving a control signal generated by the management device according to the position information and controlling respective sections of the radio unit according to the control signal; and
the management device comprises;
control signal generation means which receives the position information from the node device and generates the control signal for controlling respective sections of the node device according to the position information; and
control signal transmission means which sends the generated control signal to a pertinent node device. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 17, 19)
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16. A radio communication system which disposes a plurality of node devices each provided with a radio unit which includes an outdoor device installed outdoors and an indoor device installed indoors and connected to the outdoor device through a coaxial cable and, realizes communications between the respective node devices as the respective node devices perform radio communications with neighboring node devices;
- wherein;
the node device comprises a GPS device which inputs GPS information sent from a GPS satellite and received by a GPS antenna;
the GPS antenna is installed outdoors; and
the GPS information received by the GPS antenna is input to the GPS device through the outdoor device, the coaxial cable and the indoor device.
- wherein;
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18. A radio communication system which disposes a plurality of node devices having a radio unit and performs radio communications of the respective node devices with their neighboring node devices to realize the communications among the respective node devices, wherein:
the node device comprises;
a GPS device which inputs GPS information received from a GPS satellite; and
clock generation means which generates an internal operation clock of the own device according to a synchronization signal generated from time information contained in the GPS information by the GPS device.
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20. A radio communication system comprising a network structure which arranges a plurality of node devices each having a radio unit and performs radio communications of the respective node devices with their neighboring node devices to realize the communications among the respective node devices, and a management device for managing the network via at least one of the node devices, wherein:
the node device comprises;
a GPS device which inputs GPS information received from a GPS satellite;
transmission means which sends position information generated by the GPS device to the management device; and
antenna direction adjusting means which adjusts a direction of the antenna of the radio unit of the own node device according to antenna direction adjusting control signal generated by the management device according to the position information; and
the management device comprises;
arithmetic means which calculates directions of the antennas according to the position information received from the respective node devices so that centers of the antennas of the respective radio units of both of the mutually neighboring node devices are faced to each other;
antenna direction adjusting control signal generation means which generates the antenna direction adjusting control signal for adjusting the antennas of the respective radio units of both of the node devices to face them in the calculated antenna direction; and
control signal transmission means which sends the generated antenna direction adjusting control signal to the pertinent node devices. - View Dependent Claims (21)
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22. A radio communication system comprising a network structure which arranges a plurality of node devices each having a radio unit and performs radio communications of the respective node devices with their neighboring node devices to realize the communications among the respective node devices, and a management device for managing the network via at least one of the node devices, wherein:
the node device comprises;
a GPS device which inputs GPS information received from a GPS satellite;
transmission means which sends position information generated by the GPS device to the management device; and
radio level adjusting means which adjusts a radio level of the radio unit of the own node device according to a radio level adjusting control signal generated by the management device according to the position information; and
the management means comprises;
radio level arithmetic means which calculates an optimum radio level of the respective radio units of both of the node devices corresponding to a distance between both of the node devices according to the position information received from the respective node devices;
radio level adjusting control signal generation means which generates the radio level adjusting control signal for adjusting the radio levels of the radio units of both of the node devices to the calculated radio level respectively; and
control signal transmission means which sends the generated antenna direction adjusting control signal to the pertinent node devices. - View Dependent Claims (23, 25, 27, 28)
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24. A radio communication system comprising a network structure which arranges a plurality of node devices each having a radio unit and performs radio communications of the respective node devices with their neighboring node devices to realize the communications among the respective node devices, and a management device for managing the network via at least one of the node devices, wherein:
the node device comprises;
a GPS device which inputs GPS information received from a GPS satellite; and
transmission means which sends position information generated by the GPS device to the management device; and
the management device comprises;
a map database which stores electronic map data on an installation area of the node devices; and
display control means which displays node icons of the pertinent node devices at pertinent positions on the electronic map according to the position information received from the node devices.
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26. A radio communication system comprising a network structure which arranges a plurality of node devices each having a radio unit and performs radio communications of the respective node devices with their neighboring node devices to realize the communications among the respective node devices, and a management device for managing the network via at least one of the node devices, wherein:
the node device comprises;
a GPS device which inputs GPS information received from a GPS satellite;
connection recognition means which recognizes a connected relation between the own node and the adjacent node devices;
transmission means which transmits position information generated by the GPS device and connected state information showing a connected relation recognized by the connection recognition means to the management device;
the management device comprises;
a map database which stores electronic map data about an installation area of the node devices;
display control means which displays node icons of the pertinent node devices at the pertinent positions on the electronic map according to the position information received from the node devices;
connection management means which manages normal connected relation information between the node devices being managed;
judging means which compares the connected state information received from the respective node devices and the connected state information managed by the connection management means and judges connected states between the respective node devices; and
connected state drawing means which draws lines indicating the connected states of the respective node devices between the node icons corresponding to the respective node devices according to the judged result obtained by the judgment means.
Specification